From 997a648fb5a85821d121d05ecb7a746b44bece28 Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Thu, 12 Feb 2026 23:39:52 +0100 Subject: [PATCH 01/23] Add DAG-based message architecture spec Design doc for replacing timestamp-based ordering with parentUuid graph traversal. Covers session trees, junction points, agent transcript splicing, and phased implementation plan (A-D). Foundation for #79, #85, #90, #91. Co-Authored-By: Claude Opus 4.6 --- dev-docs/dag.md | 287 +++++++++++++++++++++++++++++ dev-docs/rendering-architecture.md | 1 + 2 files changed, 288 insertions(+) create mode 100644 dev-docs/dag.md diff --git a/dev-docs/dag.md b/dev-docs/dag.md new file mode 100644 index 00000000..e7583d8f --- /dev/null +++ b/dev-docs/dag.md @@ -0,0 +1,287 @@ +# DAG-Based Message Architecture + +Replaces timestamp-based ordering with `parentUuid` → `uuid` graph traversal. + +Reference: [Messages as Commits: Claude Code's Git-Like DAG of Conversations](https://piebald.ai/blog/messages-as-commits-claude-codes-git-like-dag-of-conversations) + +Related issues: #79, #85, #90, #91 + +--- + +## Motivation + +Currently, messages are sorted by timestamp and then patched with post-hoc +fixups (pair reordering, sidechain reordering by `agentId`). This is fragile: + +- **Sync agents**: Works "well enough" because timestamps align with causality +- **Async agents** (#90): Agent runs in background; launch and notification + are temporally distant; agent transcript interleaves arbitrarily +- **Teammates** (#91): Multiple agents send messages concurrently +- **Resume/fork** (#85): Conversation branches share a prefix; timestamp + ordering can't express the branching structure + +The transcript data already contains the structural information we need: +each message's `parentUuid` points to its predecessor, forming a DAG. + +--- + +## Core Concepts + +### The DAG + +Every message has a `uuid` and a `parentUuid` (null for first messages). +Together they form a directed acyclic graph. The graph is the authoritative +ordering; timestamps are metadata, not structure. + +### Sessions and DAG-lines + +A **session** is the set of messages sharing a `sessionId`. Each session +forms a single contiguous chain in the DAG — its **DAG-line**. A session's +DAG-line contains only the messages unique to that session (after +deduplication). + +**Assertion**: Within a session, the `parentUuid` chain is linear (no +branching). If data violates this, we log a warning and fall back to +timestamp ordering within that session. + +### Junction Points + +A **junction point** is a message whose `uuid` is referenced as +`parentUuid` by messages from **different sessions**. This is where +resume/fork happens. + +Junction points are **annotations on messages**, not splits of DAG-lines. +A session's DAG-line remains intact; the junction point simply records +"session N forks/continues from here." + +### Session Tree + +Sessions form a tree: + +- **Root sessions**: Their first message has `parentUuid: null` (or points + to a message not in any loaded session, e.g. after a `/clear`) +- **Child sessions**: Their first unique message's `parentUuid` points into + a parent session's DAG-line + +Children are ordered chronologically (by their first message's timestamp). + +Example: + +``` +Session 1: a → b → c → d → e → f → g + ↑ ↑ + | | +Session 3: k → l → m Session 2: h → i → j +(fork from e) (continues from g) +``` + +Session tree: +``` +- Session 1 + - Session 2 (continues from g) + - Session 3 (forks from e) +``` + +Rendered message sequence (depth-first, chronological children): +``` +s1, a, b, c, d, e, f, g, s2, h, i, j, s3, k, l, m +``` + +Where `s1`, `s2`, `s3` are synthesized session header messages. + +### Navigation Links + +- **Forward links** on junction points: "Session N forks/continues here" + (shown on message `e` and `g` in the example above) +- **Backlinks** on session headers: "Continues from message X in Session Y" + (shown on `s2` and `s3`) + +### Deduplication + +When session 2 resumes session 1, Claude Code may replay prefix messages +(d', e', f', g') into session 2's file. These duplicates share the same +`uuid` but have a different `sessionId`. + +Resolution: deduplicate by `uuid`, keeping the instance from the +**earliest session** (by first message timestamp). The "new" messages in +session 2 (those with previously-unseen `uuid`) form its DAG-line. + +### Agent Transcripts + +Agent transcripts also form DAG-lines. They come in two flavors: + +1. **Continuing agents**: Their `parentUuid` chains into a previous agent's + DAG-line (same session, different `agentId`). These naturally fit the + DAG. + +2. **Top-level agents**: `parentUuid` is null. These need explicit + **parenting** — splicing them into the main session's DAG-line at the + appropriate point. + + For `x → y → z` where `y` is a Task, and agent transcript `u → v` needs + to be rooted at `y`, the result is: `x → y → u → v → z`. + +**Parenting strategies** (by agent type): + +| Agent type | Link mechanism | Parent at | +|------------|---------------|-----------| +| Sync Task | `agentId` on tool_result | Task tool_result message | +| Async Task (#90) | `agentId` on launch tool_result, `task-id` in `` | Launch tool_result | +| Teammate (#91) | `team_name` + agent name | TBD — likely TeamCreate or Task-with-team | + +--- + +## Algorithm + +### Phase 1: Load All Sessions + +Load **all** `.jsonl` files for a project directory. Build a unified message +index: + +```python +messages_by_uuid: dict[str, TranscriptEntry] # uuid → entry (oldest wins) +children_by_uuid: dict[str, list[str]] # parentUuid → [child uuids] +sessions: dict[str, list[str]] # sessionId → [uuids in chain order] +``` + +When targeting a single session, still load all files but only render +that session's subtree. Optionally warn that context from other sessions +is available. + +### Phase 2: Build DAG and Deduplicate + +1. Parse all entries, index by `uuid` +2. For duplicate `uuid`s, keep the one from the earliest `sessionId` +3. Build `children_by_uuid` from `parentUuid` links +4. Group messages by `sessionId` + +### Phase 3: Extract Session DAG-lines + +For each session: +1. Identify the session's unique messages (those whose authoritative + `sessionId` matches) +2. Order them by following `parentUuid` chains (not timestamps) +3. Verify linearity (no branching within a session) + +### Phase 4: Build Session Tree + +1. For each session, find where its DAG-line attaches to the DAG: + - Walk back from the session's first unique message via `parentUuid` + - The first message belonging to a **different** session is the + attachment point +2. The session whose message is the attachment point is the parent session +3. Root sessions have no attachment point (first message is `parentUuid: null` + or points outside loaded data) +4. Order children chronologically + +### Phase 5: Identify Junction Points + +A message is a junction point if `children_by_uuid[msg.uuid]` contains +messages from multiple sessions, or from a session different than the +message's own. + +Annotate junction points with their target sessions for forward-link +rendering. + +### Phase 6: Splice Agent Transcripts + +For each agent transcript (identified by `agentId`): +1. Determine parenting strategy (see table above) +2. Find the anchor message in the main session's DAG-line +3. Splice the agent's DAG-line after the anchor + +This replaces the current `_reorder_sidechain_template_messages` approach +with a principled graph operation. + +### Phase 7: Process and Render + +Within each DAG-line, apply existing processing: +- Pairing (tool_use+tool_result, thinking+assistant, etc.) +- Hierarchy building +- Tree construction + +Pairing should be **scoped to DAG-lines** — no pairing across session +boundaries. This is both correct and faster. + +--- + +## Assertions / Invariants + +These should be checked at runtime (log warnings, don't crash): + +1. **Session linearity**: Each session's messages form a single chain + (no branching within a `sessionId`) +2. **DAG acyclicity**: No cycles in `parentUuid` chains +3. **Unique ownership**: After deduplication, each `uuid` belongs to + exactly one session +4. **Agent parenting**: Every top-level agent transcript has an identifiable + anchor in the main session + +--- + +## Impact on Existing Code + +### What changes + +| Component | Current | After | +|-----------|---------|-------| +| `converter.py` | Load single file + agent files; timestamp sort | Load all project files; build DAG | +| `renderer.py` message ordering | Timestamp sort + pair reorder + sidechain reorder | DAG-line traversal; pairing within DAG-lines | +| Session index | Flat list sorted by timestamp | Session tree with parent/child relationships | +| Agent handling | `agentId`-based insertion after timestamp sort | Agent DAG-line splicing at anchor points | + +### What stays + +- Factory layer (transcript entry → MessageContent) +- TemplateMessage wrapper and RenderingContext +- Hierarchy building within sessions (user → assistant → tools) +- Renderer dispatch and format_* methods +- HTML templates and JavaScript (fold, timeline, filters) +- Deduplication heuristics (sidechain cleanup, etc.) — may simplify over time + +--- + +## Implementation Plan + +### Phase A: DAG Infrastructure (new module: `dag.py`) + +1. **Message indexing**: Load all session files, build `uuid` index, + deduplicate +2. **DAG construction**: Build parent→children graph +3. **Session extraction**: Group by `sessionId`, extract DAG-lines, + verify linearity +4. **Session tree**: Build parent/child session relationships, identify + junction points + +This phase is purely additive — new code alongside existing. Tests can +validate DAG construction against known transcripts. + +### Phase B: Integration with Rendering Pipeline + +1. Replace `load_transcript` / `load_directory_transcripts` with + DAG-based loading in `converter.py` +2. Pass DAG-lines (per session) into `generate_template_messages` +3. Scope pairing to DAG-lines +4. Generate session headers with navigation links (forward/back) +5. Update session index from flat to hierarchical + +### Phase C: Agent Transcript Rework + +1. Implement parenting strategies for each agent type +2. Replace `_reorder_sidechain_template_messages` with DAG-line splicing +3. Simplify or remove `_cleanup_sidechain_duplicates` (dedup now + happens at DAG level) + +### Phase D: Async Agent and Teammate Support + +1. Parse `` to extract `task-id` for async agent linking +2. Implement teammate parenting strategy (#91) +3. This is where #90 and #91 get properly resolved + +--- + +## Related Documentation + +- [rendering-architecture.md](rendering-architecture.md) — Current pipeline +- [messages.md](messages.md) — Message type reference +- [rendering-next.md](rendering-next.md) — Future rendering improvements diff --git a/dev-docs/rendering-architecture.md b/dev-docs/rendering-architecture.md index 3b8e4d54..87b8c66d 100644 --- a/dev-docs/rendering-architecture.md +++ b/dev-docs/rendering-architecture.md @@ -344,3 +344,4 @@ Note that `meta.uuid` is the original transcript entry's UUID. Since a single en - [messages.md](messages.md) - Complete message type reference - [css-classes.md](css-classes.md) - CSS class combinations and rules - [FOLD_STATE_DIAGRAM.md](FOLD_STATE_DIAGRAM.md) - Fold/unfold state machine +- [dag.md](dag.md) - DAG-based message architecture (planned replacement for timestamp ordering) From 232a73d701d75cb010b961fbb13a4b187cad9034 Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Fri, 13 Feb 2026 08:54:22 +0100 Subject: [PATCH 02/23] Add DAG infrastructure module (Phase A) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit New dag.py module that builds a parentUuid→uuid graph from transcript entries, replacing timestamp-based ordering with structural traversal. Purely additive — no existing code modified. Co-Authored-By: Claude Opus 4.6 --- claude_code_log/dag.py | 394 ++++++++++++++++++++ test/test_dag.py | 635 ++++++++++++++++++++++++++++++++ test/test_data/dag_fork.jsonl | 11 + test/test_data/dag_resume.jsonl | 8 + test/test_data/dag_simple.jsonl | 5 + 5 files changed, 1053 insertions(+) create mode 100644 claude_code_log/dag.py create mode 100644 test/test_dag.py create mode 100644 test/test_data/dag_fork.jsonl create mode 100644 test/test_data/dag_resume.jsonl create mode 100644 test/test_data/dag_simple.jsonl diff --git a/claude_code_log/dag.py b/claude_code_log/dag.py new file mode 100644 index 00000000..2ef26a75 --- /dev/null +++ b/claude_code_log/dag.py @@ -0,0 +1,394 @@ +"""DAG-based message ordering for Claude Code transcripts. + +Replaces timestamp-based ordering with parentUuid → uuid graph traversal. +Works at the TranscriptEntry level (before factory/rendering). + +See dev-docs/dag.md for the full architecture spec. +""" + +import logging +from dataclasses import dataclass, field +from typing import Optional + +from .models import ( + TranscriptEntry, + SummaryTranscriptEntry, + QueueOperationTranscriptEntry, +) + +logger = logging.getLogger(__name__) + + +# ============================================================================= +# Data Structures +# ============================================================================= + + +@dataclass +class MessageNode: + """A deduplicated message in the DAG.""" + + uuid: str + parent_uuid: Optional[str] + session_id: str + timestamp: str + entry: TranscriptEntry + children_uuids: list[str] = field(default_factory=list) + + +@dataclass +class SessionDAGLine: + """A session's ordered chain of unique messages.""" + + session_id: str + uuids: list[str] # Ordered by parent→child chain traversal + first_timestamp: str + parent_session_id: Optional[str] = None + attachment_uuid: Optional[str] = None # UUID in parent where this attaches + + +@dataclass +class JunctionPoint: + """A message where other sessions fork or continue.""" + + uuid: str + session_id: str # The session this message belongs to + target_sessions: list[str] = field(default_factory=list) + + +@dataclass +class SessionTree: + """The complete session hierarchy for a project.""" + + nodes: dict[str, MessageNode] + sessions: dict[str, SessionDAGLine] + roots: list[str] # Root session IDs (no parent session) + junction_points: dict[str, JunctionPoint] + + +# ============================================================================= +# Step 1: Load and Index +# ============================================================================= + + +def build_message_index( + entries: list[TranscriptEntry], +) -> dict[str, MessageNode]: + """Build a deduplicated message index from transcript entries. + + Skips SummaryTranscriptEntry (no uuid/sessionId) and + QueueOperationTranscriptEntry (no uuid). For duplicate uuids, + keeps the entry from the earliest session (by first entry timestamp). + """ + # First pass: determine earliest timestamp per session + session_first_ts: dict[str, str] = {} + for entry in entries: + if isinstance(entry, (SummaryTranscriptEntry, QueueOperationTranscriptEntry)): + continue + sid = entry.sessionId + ts = entry.timestamp + if sid not in session_first_ts or ts < session_first_ts[sid]: + session_first_ts[sid] = ts + + # Second pass: build nodes, deduplicating by uuid (earliest session wins) + nodes: dict[str, MessageNode] = {} + for entry in entries: + if isinstance(entry, (SummaryTranscriptEntry, QueueOperationTranscriptEntry)): + continue + uuid = entry.uuid + sid = entry.sessionId + if uuid in nodes: + existing = nodes[uuid] + existing_session_ts = session_first_ts.get(existing.session_id, "") + new_session_ts = session_first_ts.get(sid, "") + if new_session_ts < existing_session_ts: + # Replace with entry from earlier session + nodes[uuid] = MessageNode( + uuid=uuid, + parent_uuid=entry.parentUuid, + session_id=sid, + timestamp=entry.timestamp, + entry=entry, + ) + else: + nodes[uuid] = MessageNode( + uuid=uuid, + parent_uuid=entry.parentUuid, + session_id=sid, + timestamp=entry.timestamp, + entry=entry, + ) + + return nodes + + +# ============================================================================= +# Step 2: Build DAG (parent→children links) +# ============================================================================= + + +def build_dag(nodes: dict[str, MessageNode]) -> None: + """Populate children_uuids on each node. Mutates nodes in place. + + Warns about orphan nodes (parentUuid points outside loaded data) + and validates acyclicity. + """ + # Clear existing children + for node in nodes.values(): + node.children_uuids = [] + + # Build parent→children links + for node in nodes.values(): + if node.parent_uuid is not None: + parent = nodes.get(node.parent_uuid) + if parent is not None: + parent.children_uuids.append(node.uuid) + else: + logger.warning( + "Orphan node %s: parentUuid %s not found in loaded data", + node.uuid, + node.parent_uuid, + ) + + # Validate: no cycles (walk parent chain for each node) + for node in nodes.values(): + visited: set[str] = set() + current: Optional[str] = node.uuid + while current is not None: + if current in visited: + logger.warning("Cycle detected in parent chain at uuid %s", current) + break + visited.add(current) + parent = nodes.get(current) + if parent is None: + break + current = parent.parent_uuid + + +# ============================================================================= +# Step 3: Extract Session DAG-lines +# ============================================================================= + + +def extract_session_dag_lines( + nodes: dict[str, MessageNode], +) -> dict[str, SessionDAGLine]: + """Extract per-session ordered chains from the DAG. + + For each session, finds the root node (parent_uuid is null or points + to a different session), then walks forward via children_uuids filtering + to same-session children. + + Verifies linearity: each node has at most one child in the same session. + Falls back to timestamp sort if violated. + """ + # Group nodes by session + session_nodes: dict[str, list[MessageNode]] = {} + for node in nodes.values(): + session_nodes.setdefault(node.session_id, []).append(node) + + sessions: dict[str, SessionDAGLine] = {} + for session_id, snodes in session_nodes.items(): + session_uuids = {n.uuid for n in snodes} + + # Find root(s): nodes whose parent_uuid is null or outside this session + roots = [ + n + for n in snodes + if n.parent_uuid is None or n.parent_uuid not in session_uuids + ] + + if not roots: + logger.warning( + "Session %s: no root found, falling back to timestamp sort", + session_id, + ) + sorted_nodes = sorted(snodes, key=lambda n: n.timestamp) + sessions[session_id] = SessionDAGLine( + session_id=session_id, + uuids=[n.uuid for n in sorted_nodes], + first_timestamp=sorted_nodes[0].timestamp, + ) + continue + + if len(roots) > 1: + # Multiple roots - pick the earliest by timestamp + roots.sort(key=lambda n: n.timestamp) + logger.warning( + "Session %s: %d roots found, using earliest (%s)", + session_id, + len(roots), + roots[0].uuid, + ) + + # Walk forward from root, following same-session children + chain: list[str] = [] + current: Optional[MessageNode] = roots[0] + linear = True + + while current is not None: + chain.append(current.uuid) + # Find children in the same session + same_session_children = [ + c for c in current.children_uuids if c in session_uuids + ] + if len(same_session_children) == 0: + current = None + elif len(same_session_children) == 1: + current = nodes[same_session_children[0]] + else: + logger.warning( + "Session %s: node %s has %d same-session children, " + "linearity violated", + session_id, + current.uuid, + len(same_session_children), + ) + linear = False + current = None + + if not linear: + # Fall back to timestamp sort + sorted_nodes = sorted(snodes, key=lambda n: n.timestamp) + chain = [n.uuid for n in sorted_nodes] + + first_ts = nodes[chain[0]].timestamp + sessions[session_id] = SessionDAGLine( + session_id=session_id, + uuids=chain, + first_timestamp=first_ts, + ) + + return sessions + + +# ============================================================================= +# Step 4: Build Session Tree +# ============================================================================= + + +def build_session_tree( + nodes: dict[str, MessageNode], + sessions: dict[str, SessionDAGLine], +) -> SessionTree: + """Build the session hierarchy and identify junction points. + + For each session's DAG-line, the first message's parent_uuid determines + the parent session: + - null → root session + - points to node in different session → child of that session + """ + roots: list[str] = [] + junction_points: dict[str, JunctionPoint] = {} + + for session_id, dag_line in sessions.items(): + if not dag_line.uuids: + roots.append(session_id) + continue + + first_uuid = dag_line.uuids[0] + first_node = nodes[first_uuid] + parent_uuid = first_node.parent_uuid + + if parent_uuid is None or parent_uuid not in nodes: + # Root session (or orphan parent) + roots.append(session_id) + dag_line.parent_session_id = None + dag_line.attachment_uuid = None + else: + parent_node = nodes[parent_uuid] + if parent_node.session_id == session_id: + # Parent is in same session - this is a root + roots.append(session_id) + dag_line.parent_session_id = None + dag_line.attachment_uuid = None + else: + # Child session: attaches to parent session at parent_uuid + dag_line.parent_session_id = parent_node.session_id + dag_line.attachment_uuid = parent_uuid + + # Record junction point + if parent_uuid not in junction_points: + junction_points[parent_uuid] = JunctionPoint( + uuid=parent_uuid, + session_id=parent_node.session_id, + ) + junction_points[parent_uuid].target_sessions.append(session_id) + + # Order roots chronologically + roots.sort(key=lambda sid: sessions[sid].first_timestamp) + + # Order junction point target_sessions chronologically + for jp in junction_points.values(): + jp.target_sessions.sort(key=lambda sid: sessions[sid].first_timestamp) + + return SessionTree( + nodes=nodes, + sessions=sessions, + roots=roots, + junction_points=junction_points, + ) + + +# ============================================================================= +# Step 5: Ordered Traversal +# ============================================================================= + + +def traverse_session_tree(tree: SessionTree) -> list[TranscriptEntry]: + """Depth-first traversal of session tree producing rendering order. + + For each session: yields its DAG-line's entries in chain order. + Children are visited in chronological order (by first_timestamp). + """ + result: list[TranscriptEntry] = [] + visited_sessions: set[str] = set() + + def _visit_session(session_id: str) -> None: + if session_id in visited_sessions: + return + visited_sessions.add(session_id) + + dag_line = tree.sessions.get(session_id) + if dag_line is None: + return + + # Build map: attachment_uuid → [child session IDs] for this session + children_at: dict[str, list[str]] = {} + for sid, sline in tree.sessions.items(): + if sline.parent_session_id == session_id and sline.attachment_uuid: + children_at.setdefault(sline.attachment_uuid, []).append(sid) + + # Emit entries, visiting child sessions at junction points + for uuid in dag_line.uuids: + node = tree.nodes[uuid] + result.append(node.entry) + # After emitting this message, visit any child sessions + # that attach here (in chronological order) + if uuid in children_at: + for child_sid in children_at[uuid]: + _visit_session(child_sid) + + # Visit root sessions in chronological order + for root_sid in tree.roots: + _visit_session(root_sid) + + return result + + +# ============================================================================= +# Convenience: Full Pipeline +# ============================================================================= + + +def build_dag_from_entries( + entries: list[TranscriptEntry], +) -> SessionTree: + """Build a complete SessionTree from raw transcript entries. + + Convenience function that runs Steps 1-4 in sequence. + """ + nodes = build_message_index(entries) + build_dag(nodes) + sessions = extract_session_dag_lines(nodes) + return build_session_tree(nodes, sessions) diff --git a/test/test_dag.py b/test/test_dag.py new file mode 100644 index 00000000..c0190b67 --- /dev/null +++ b/test/test_dag.py @@ -0,0 +1,635 @@ +"""Tests for the DAG-based message ordering module.""" + +import json +from pathlib import Path + +import pytest + +from claude_code_log.dag import ( + MessageNode, + SessionDAGLine, + SessionTree, + build_dag, + build_dag_from_entries, + build_message_index, + build_session_tree, + extract_session_dag_lines, + traverse_session_tree, +) +from claude_code_log.factories import create_transcript_entry +from claude_code_log.models import ( + SummaryTranscriptEntry, + TranscriptEntry, +) + +TEST_DATA = Path(__file__).parent / "test_data" +REAL_PROJECTS = TEST_DATA / "real_projects" + + +def load_entries_from_jsonl(path: Path) -> list[TranscriptEntry]: + """Load transcript entries from a JSONL file, skipping unparseable lines.""" + entries: list[TranscriptEntry] = [] + with open(path) as f: + for line in f: + line = line.strip() + if not line: + continue + data = json.loads(line) + entry_type = data.get("type") + if entry_type in ( + "user", + "assistant", + "summary", + "system", + "queue-operation", + ): + entries.append(create_transcript_entry(data)) + return entries + + +def load_project_entries(project_dir: Path) -> list[TranscriptEntry]: + """Load all entries from a project directory (excluding agent files).""" + entries: list[TranscriptEntry] = [] + for jsonl_file in sorted(project_dir.glob("*.jsonl")): + if jsonl_file.name.startswith("agent-"): + continue + entries.extend(load_entries_from_jsonl(jsonl_file)) + return entries + + +# ============================================================================= +# Test: Single session (dag_simple.jsonl) +# ============================================================================= + + +class TestSingleSession: + """Tests using dag_simple.jsonl: a→b→c→d→e in session s1.""" + + @pytest.fixture() + def tree(self) -> SessionTree: + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + return build_dag_from_entries(entries) + + def test_single_session_one_dagline(self, tree: SessionTree) -> None: + assert len(tree.sessions) == 1 + assert "s1" in tree.sessions + + def test_single_session_chain_order(self, tree: SessionTree) -> None: + dag_line = tree.sessions["s1"] + assert dag_line.uuids == ["a", "b", "c", "d", "e"] + + def test_single_session_is_root(self, tree: SessionTree) -> None: + assert tree.roots == ["s1"] + + def test_single_session_no_junction_points(self, tree: SessionTree) -> None: + assert tree.junction_points == {} + + def test_single_session_traversal(self, tree: SessionTree) -> None: + result = traverse_session_tree(tree) + uuids = [e.uuid for e in result] # type: ignore[union-attr] + assert uuids == ["a", "b", "c", "d", "e"] + + def test_single_session_first_timestamp(self, tree: SessionTree) -> None: + dag_line = tree.sessions["s1"] + assert dag_line.first_timestamp == "2025-07-01T10:00:00.000Z" + + def test_single_session_no_parent(self, tree: SessionTree) -> None: + dag_line = tree.sessions["s1"] + assert dag_line.parent_session_id is None + assert dag_line.attachment_uuid is None + + +# ============================================================================= +# Test: Resume session (dag_resume.jsonl) +# ============================================================================= + + +class TestResumeSession: + """Tests using dag_resume.jsonl: s1(a→b→c→d→e), s2(f→g→h) where f.parent=e.""" + + @pytest.fixture() + def tree(self) -> SessionTree: + entries = load_entries_from_jsonl(TEST_DATA / "dag_resume.jsonl") + return build_dag_from_entries(entries) + + def test_two_sessions(self, tree: SessionTree) -> None: + assert len(tree.sessions) == 2 + assert "s1" in tree.sessions + assert "s2" in tree.sessions + + def test_s1_chain(self, tree: SessionTree) -> None: + assert tree.sessions["s1"].uuids == ["a", "b", "c", "d", "e"] + + def test_s2_chain(self, tree: SessionTree) -> None: + assert tree.sessions["s2"].uuids == ["f", "g", "h"] + + def test_s1_is_root(self, tree: SessionTree) -> None: + assert tree.roots == ["s1"] + + def test_s2_parent_is_s1(self, tree: SessionTree) -> None: + dag_line = tree.sessions["s2"] + assert dag_line.parent_session_id == "s1" + assert dag_line.attachment_uuid == "e" + + def test_junction_at_e(self, tree: SessionTree) -> None: + assert "e" in tree.junction_points + jp = tree.junction_points["e"] + assert jp.session_id == "s1" + assert jp.target_sessions == ["s2"] + + def test_traversal_order(self, tree: SessionTree) -> None: + result = traverse_session_tree(tree) + uuids = [e.uuid for e in result] # type: ignore[union-attr] + assert uuids == ["a", "b", "c", "d", "e", "f", "g", "h"] + + +# ============================================================================= +# Test: Fork session (dag_fork.jsonl) +# ============================================================================= + + +class TestForkSession: + """Tests using dag_fork.jsonl: s1(a→e), s2(f→h from e), s3(i→k from c).""" + + @pytest.fixture() + def tree(self) -> SessionTree: + entries = load_entries_from_jsonl(TEST_DATA / "dag_fork.jsonl") + return build_dag_from_entries(entries) + + def test_three_sessions(self, tree: SessionTree) -> None: + assert len(tree.sessions) == 3 + + def test_s1_chain(self, tree: SessionTree) -> None: + assert tree.sessions["s1"].uuids == ["a", "b", "c", "d", "e"] + + def test_s2_chain(self, tree: SessionTree) -> None: + assert tree.sessions["s2"].uuids == ["f", "g", "h"] + + def test_s3_chain(self, tree: SessionTree) -> None: + assert tree.sessions["s3"].uuids == ["i", "j", "k"] + + def test_only_s1_is_root(self, tree: SessionTree) -> None: + assert tree.roots == ["s1"] + + def test_s2_attaches_at_e(self, tree: SessionTree) -> None: + dag_line = tree.sessions["s2"] + assert dag_line.parent_session_id == "s1" + assert dag_line.attachment_uuid == "e" + + def test_s3_attaches_at_c(self, tree: SessionTree) -> None: + dag_line = tree.sessions["s3"] + assert dag_line.parent_session_id == "s1" + assert dag_line.attachment_uuid == "c" + + def test_two_junction_points(self, tree: SessionTree) -> None: + assert len(tree.junction_points) == 2 + assert "c" in tree.junction_points + assert "e" in tree.junction_points + + def test_junction_c_targets_s3(self, tree: SessionTree) -> None: + jp = tree.junction_points["c"] + assert jp.session_id == "s1" + assert jp.target_sessions == ["s3"] + + def test_junction_e_targets_s2(self, tree: SessionTree) -> None: + jp = tree.junction_points["e"] + assert jp.session_id == "s1" + assert jp.target_sessions == ["s2"] + + def test_traversal_depth_first(self, tree: SessionTree) -> None: + """Depth-first: s1 entries, then at junction c visit s3 (fork), + continue s1, then at junction e visit s2 (continue).""" + result = traverse_session_tree(tree) + uuids = [e.uuid for e in result] # type: ignore[union-attr] + # s1: a,b,c → s3: i,j,k → s1: d,e → s2: f,g,h + assert uuids == ["a", "b", "c", "i", "j", "k", "d", "e", "f", "g", "h"] + + +# ============================================================================= +# Test: Deduplication +# ============================================================================= + + +class TestDeduplication: + """Test that duplicate uuids are resolved by keeping earliest session.""" + + def test_dedup_keeps_earliest_session(self) -> None: + """Same uuid in two sessions; entry from earlier session wins.""" + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + # Manually add a duplicate of uuid "c" with a later session + dup_data = { + "type": "user", + "timestamp": "2025-07-02T10:00:00.000Z", + "parentUuid": "b", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s_later", + "version": "1.0.0", + "uuid": "c", + "message": {"role": "user", "content": [{"type": "text", "text": "Dup"}]}, + } + entries.append(create_transcript_entry(dup_data)) + + nodes = build_message_index(entries) + # "c" should belong to s1 (timestamp 2025-07-01) not s_later (2025-07-02) + assert nodes["c"].session_id == "s1" + + def test_dedup_replaces_with_earlier(self) -> None: + """If later-loaded entry is from an earlier session, it replaces.""" + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + # Add a duplicate of uuid "c" from an EARLIER session + dup_data = { + "type": "user", + "timestamp": "2025-06-30T10:00:00.000Z", + "parentUuid": "b", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s_earlier", + "version": "1.0.0", + "uuid": "c", + "message": { + "role": "user", + "content": [{"type": "text", "text": "Earlier"}], + }, + } + entries.append(create_transcript_entry(dup_data)) + + nodes = build_message_index(entries) + # "c" should now belong to s_earlier + assert nodes["c"].session_id == "s_earlier" + + +# ============================================================================= +# Test: Junction Points +# ============================================================================= + + +class TestJunctionPoints: + """Detailed junction point tests.""" + + def test_no_junctions_single_session(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + tree = build_dag_from_entries(entries) + assert len(tree.junction_points) == 0 + + def test_single_junction_resume(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_resume.jsonl") + tree = build_dag_from_entries(entries) + assert len(tree.junction_points) == 1 + assert "e" in tree.junction_points + + def test_multiple_junctions_fork(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_fork.jsonl") + tree = build_dag_from_entries(entries) + assert len(tree.junction_points) == 2 + # Both c and e are junctions + assert set(tree.junction_points.keys()) == {"c", "e"} + + def test_junction_target_sessions_ordered_chronologically(self) -> None: + """If multiple sessions fork from the same point, targets are ordered.""" + # Create data where two sessions both fork from the same message + base = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + fork1_data = { + "type": "user", + "timestamp": "2025-07-02T10:00:00.000Z", + "parentUuid": "c", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s_fork1", + "version": "1.0.0", + "uuid": "f1", + "message": { + "role": "user", + "content": [{"type": "text", "text": "Fork 1"}], + }, + } + fork2_data = { + "type": "user", + "timestamp": "2025-07-01T12:00:00.000Z", + "parentUuid": "c", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s_fork2", + "version": "1.0.0", + "uuid": "f2", + "message": { + "role": "user", + "content": [{"type": "text", "text": "Fork 2"}], + }, + } + base.append(create_transcript_entry(fork1_data)) + base.append(create_transcript_entry(fork2_data)) + + tree = build_dag_from_entries(base) + jp = tree.junction_points["c"] + # s_fork2 is earlier (2025-07-01T12:00) than s_fork1 (2025-07-02T10:00) + assert jp.target_sessions == ["s_fork2", "s_fork1"] + + +# ============================================================================= +# Test: Traversal Order +# ============================================================================= + + +class TestTraversalOrder: + """Test depth-first session tree traversal produces correct order.""" + + def test_simple_traversal(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + tree = build_dag_from_entries(entries) + result = traverse_session_tree(tree) + assert len(result) == 5 + uuids = [e.uuid for e in result] # type: ignore[union-attr] + assert uuids == ["a", "b", "c", "d", "e"] + + def test_resume_traversal(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_resume.jsonl") + tree = build_dag_from_entries(entries) + result = traverse_session_tree(tree) + uuids = [e.uuid for e in result] # type: ignore[union-attr] + assert uuids == ["a", "b", "c", "d", "e", "f", "g", "h"] + + def test_fork_traversal(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_fork.jsonl") + tree = build_dag_from_entries(entries) + result = traverse_session_tree(tree) + uuids = [e.uuid for e in result] # type: ignore[union-attr] + # Depth-first: at junction c (after emitting c), visit s3 first + # then continue s1, at junction e visit s2 + assert uuids == ["a", "b", "c", "i", "j", "k", "d", "e", "f", "g", "h"] + + def test_traversal_returns_entries(self) -> None: + """Verify traversal returns actual TranscriptEntry objects.""" + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + tree = build_dag_from_entries(entries) + result = traverse_session_tree(tree) + for entry in result: + assert hasattr(entry, "type") + assert hasattr(entry, "uuid") + + +# ============================================================================= +# Test: Real project data +# ============================================================================= + + +EXPERIMENTS_DIR = REAL_PROJECTS / "-src-experiments-claude_p" + + +@pytest.mark.skipif( + not EXPERIMENTS_DIR.exists(), + reason="Real project test data not available", +) +class TestRealProjectExperiments: + """Test DAG construction against real project data. + + The -src-experiments-claude_p project has 4 independent sessions + with no cross-session references, so should produce 4 root sessions. + """ + + @pytest.fixture() + def tree(self) -> SessionTree: + entries = load_project_entries(EXPERIMENTS_DIR) + return build_dag_from_entries(entries) + + def test_loads_multiple_sessions(self, tree: SessionTree) -> None: + assert len(tree.sessions) >= 4 + + def test_all_sessions_are_roots(self, tree: SessionTree) -> None: + """Independent sessions should all be roots.""" + # All sessions with DAG-lines should be root (no cross-refs) + for session_id in tree.sessions: + dag_line = tree.sessions[session_id] + assert dag_line.parent_session_id is None, ( + f"Session {session_id} unexpectedly has parent " + f"{dag_line.parent_session_id}" + ) + + def test_no_junction_points(self, tree: SessionTree) -> None: + """Independent sessions should have no junction points.""" + assert len(tree.junction_points) == 0 + + def test_each_session_has_entries(self, tree: SessionTree) -> None: + """Each session's DAG-line should have at least one message.""" + for session_id, dag_line in tree.sessions.items(): + assert len(dag_line.uuids) > 0, f"Session {session_id} has empty DAG-line" + + def test_traversal_covers_all_entries(self, tree: SessionTree) -> None: + """Traversal should include all entries from all sessions.""" + total_in_daglines = sum(len(dl.uuids) for dl in tree.sessions.values()) + result = traverse_session_tree(tree) + assert len(result) == total_in_daglines + + def test_sessions_ordered_chronologically(self, tree: SessionTree) -> None: + """Root sessions should be ordered by first_timestamp.""" + timestamps = [tree.sessions[sid].first_timestamp for sid in tree.roots] + assert timestamps == sorted(timestamps) + + +# ============================================================================= +# Test: Edge cases +# ============================================================================= + + +class TestOrphanParent: + """Test handling of parentUuid pointing to unknown uuid.""" + + def test_orphan_treated_as_root(self) -> None: + """A session whose first message has parentUuid pointing to + an unknown uuid should be treated as a root session.""" + orphan_data = { + "type": "user", + "timestamp": "2025-07-01T10:00:00.000Z", + "parentUuid": "nonexistent_uuid", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s_orphan", + "version": "1.0.0", + "uuid": "orphan_a", + "message": { + "role": "user", + "content": [{"type": "text", "text": "Orphan"}], + }, + } + entries: list[TranscriptEntry] = [create_transcript_entry(orphan_data)] + tree = build_dag_from_entries(entries) + + assert "s_orphan" in tree.sessions + assert tree.roots == ["s_orphan"] + dag_line = tree.sessions["s_orphan"] + assert dag_line.parent_session_id is None + + def test_orphan_with_children(self) -> None: + """Orphan node still chains correctly within its session.""" + data = [ + { + "type": "user", + "timestamp": "2025-07-01T10:00:00.000Z", + "parentUuid": "nonexistent", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s1", + "version": "1.0.0", + "uuid": "x", + "message": { + "role": "user", + "content": [{"type": "text", "text": "Start"}], + }, + }, + { + "type": "assistant", + "timestamp": "2025-07-01T10:01:00.000Z", + "parentUuid": "x", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s1", + "version": "1.0.0", + "uuid": "y", + "requestId": "req_1", + "message": { + "id": "y", + "type": "message", + "role": "assistant", + "model": "claude-3-sonnet", + "content": [{"type": "text", "text": "Reply"}], + "stop_reason": "end_turn", + "usage": {"input_tokens": 10, "output_tokens": 5}, + }, + }, + ] + entries = [create_transcript_entry(d) for d in data] + tree = build_dag_from_entries(entries) + + assert tree.sessions["s1"].uuids == ["x", "y"] + assert tree.roots == ["s1"] + + +class TestSummaryEntriesSkipped: + """Test that SummaryTranscriptEntry entries are excluded from DAG.""" + + def test_summary_not_in_nodes(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + # Add a summary entry + summary_data = { + "type": "summary", + "summary": "A test summary", + "leafUuid": "e", + "timestamp": "2025-07-01T10:05:00.000Z", + } + entries.append(create_transcript_entry(summary_data)) + + nodes = build_message_index(entries) + # Summary has no uuid, so it can't be in nodes + for node in nodes.values(): + assert not isinstance(node.entry, SummaryTranscriptEntry) + + def test_summary_not_in_traversal(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + summary_data = { + "type": "summary", + "summary": "A test summary", + "leafUuid": "e", + "timestamp": "2025-07-01T10:05:00.000Z", + } + entries.append(create_transcript_entry(summary_data)) + + tree = build_dag_from_entries(entries) + result = traverse_session_tree(tree) + # Should still be 5 entries (a-e), summary excluded + assert len(result) == 5 + for entry in result: + assert not isinstance(entry, SummaryTranscriptEntry) + + +class TestQueueOperationSkipped: + """Test that QueueOperationTranscriptEntry entries are excluded from DAG.""" + + def test_queue_op_not_in_nodes(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + queue_data = { + "type": "queue-operation", + "operation": "dequeue", + "timestamp": "2025-07-01T09:59:00.000Z", + "sessionId": "s1", + } + entries.append(create_transcript_entry(queue_data)) + + nodes = build_message_index(entries) + # queue-operation has no uuid field + assert len(nodes) == 5 # Only a,b,c,d,e + + +# ============================================================================= +# Test: Individual algorithm steps +# ============================================================================= + + +class TestBuildMessageIndex: + """Test build_message_index in isolation.""" + + def test_indexes_all_entries(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + nodes = build_message_index(entries) + assert set(nodes.keys()) == {"a", "b", "c", "d", "e"} + + def test_preserves_entry_data(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + nodes = build_message_index(entries) + assert nodes["a"].session_id == "s1" + assert nodes["a"].parent_uuid is None + assert nodes["b"].parent_uuid == "a" + + def test_empty_entries(self) -> None: + nodes = build_message_index([]) + assert nodes == {} + + +class TestBuildDAG: + """Test build_dag (parent→children links).""" + + def test_children_populated(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + nodes = build_message_index(entries) + build_dag(nodes) + assert nodes["a"].children_uuids == ["b"] + assert nodes["b"].children_uuids == ["c"] + assert nodes["e"].children_uuids == [] + + def test_root_has_no_parent(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + nodes = build_message_index(entries) + build_dag(nodes) + assert nodes["a"].parent_uuid is None + + def test_cross_session_children(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_resume.jsonl") + nodes = build_message_index(entries) + build_dag(nodes) + # "e" has child "f" which is in a different session + assert "f" in nodes["e"].children_uuids + + +class TestExtractSessionDAGLines: + """Test extract_session_dag_lines.""" + + def test_single_session_chain(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_simple.jsonl") + nodes = build_message_index(entries) + build_dag(nodes) + sessions = extract_session_dag_lines(nodes) + assert sessions["s1"].uuids == ["a", "b", "c", "d", "e"] + + def test_multi_session_chains(self) -> None: + entries = load_entries_from_jsonl(TEST_DATA / "dag_resume.jsonl") + nodes = build_message_index(entries) + build_dag(nodes) + sessions = extract_session_dag_lines(nodes) + assert sessions["s1"].uuids == ["a", "b", "c", "d", "e"] + assert sessions["s2"].uuids == ["f", "g", "h"] diff --git a/test/test_data/dag_fork.jsonl b/test/test_data/dag_fork.jsonl new file mode 100644 index 00000000..11475211 --- /dev/null +++ b/test/test_data/dag_fork.jsonl @@ -0,0 +1,11 @@ +{"type":"user","timestamp":"2025-07-01T10:00:00.000Z","parentUuid":null,"isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"a","message":{"role":"user","content":[{"type":"text","text":"Start"}]}} +{"type":"assistant","timestamp":"2025-07-01T10:01:00.000Z","parentUuid":"a","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"b","requestId":"req_1","message":{"id":"b","type":"message","role":"assistant","model":"claude-3-sonnet","content":[{"type":"text","text":"Reply 1"}],"stop_reason":"end_turn","usage":{"input_tokens":10,"output_tokens":5}}} +{"type":"user","timestamp":"2025-07-01T10:02:00.000Z","parentUuid":"b","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"c","message":{"role":"user","content":[{"type":"text","text":"Middle"}]}} +{"type":"assistant","timestamp":"2025-07-01T10:03:00.000Z","parentUuid":"c","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"d","requestId":"req_2","message":{"id":"d","type":"message","role":"assistant","model":"claude-3-sonnet","content":[{"type":"text","text":"Reply 2"}],"stop_reason":"end_turn","usage":{"input_tokens":15,"output_tokens":8}}} +{"type":"user","timestamp":"2025-07-01T10:04:00.000Z","parentUuid":"d","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"e","message":{"role":"user","content":[{"type":"text","text":"Last in s1"}]}} +{"type":"user","timestamp":"2025-07-01T11:00:00.000Z","parentUuid":"e","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s2","version":"1.0.0","uuid":"f","message":{"role":"user","content":[{"type":"text","text":"Continue from e"}]}} +{"type":"assistant","timestamp":"2025-07-01T11:01:00.000Z","parentUuid":"f","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s2","version":"1.0.0","uuid":"g","requestId":"req_3","message":{"id":"g","type":"message","role":"assistant","model":"claude-3-sonnet","content":[{"type":"text","text":"Continued reply"}],"stop_reason":"end_turn","usage":{"input_tokens":20,"output_tokens":10}}} +{"type":"user","timestamp":"2025-07-01T11:02:00.000Z","parentUuid":"g","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s2","version":"1.0.0","uuid":"h","message":{"role":"user","content":[{"type":"text","text":"End of s2"}]}} +{"type":"user","timestamp":"2025-07-01T12:00:00.000Z","parentUuid":"c","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s3","version":"1.0.0","uuid":"i","message":{"role":"user","content":[{"type":"text","text":"Fork from c"}]}} +{"type":"assistant","timestamp":"2025-07-01T12:01:00.000Z","parentUuid":"i","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s3","version":"1.0.0","uuid":"j","requestId":"req_4","message":{"id":"j","type":"message","role":"assistant","model":"claude-3-sonnet","content":[{"type":"text","text":"Forked reply"}],"stop_reason":"end_turn","usage":{"input_tokens":25,"output_tokens":12}}} +{"type":"user","timestamp":"2025-07-01T12:02:00.000Z","parentUuid":"j","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s3","version":"1.0.0","uuid":"k","message":{"role":"user","content":[{"type":"text","text":"End of s3"}]}} diff --git a/test/test_data/dag_resume.jsonl b/test/test_data/dag_resume.jsonl new file mode 100644 index 00000000..fc6203cf --- /dev/null +++ b/test/test_data/dag_resume.jsonl @@ -0,0 +1,8 @@ +{"type":"user","timestamp":"2025-07-01T10:00:00.000Z","parentUuid":null,"isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"a","message":{"role":"user","content":[{"type":"text","text":"Start"}]}} +{"type":"assistant","timestamp":"2025-07-01T10:01:00.000Z","parentUuid":"a","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"b","requestId":"req_1","message":{"id":"b","type":"message","role":"assistant","model":"claude-3-sonnet","content":[{"type":"text","text":"Reply 1"}],"stop_reason":"end_turn","usage":{"input_tokens":10,"output_tokens":5}}} +{"type":"user","timestamp":"2025-07-01T10:02:00.000Z","parentUuid":"b","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"c","message":{"role":"user","content":[{"type":"text","text":"Continue"}]}} +{"type":"assistant","timestamp":"2025-07-01T10:03:00.000Z","parentUuid":"c","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"d","requestId":"req_2","message":{"id":"d","type":"message","role":"assistant","model":"claude-3-sonnet","content":[{"type":"text","text":"Reply 2"}],"stop_reason":"end_turn","usage":{"input_tokens":15,"output_tokens":8}}} +{"type":"user","timestamp":"2025-07-01T10:04:00.000Z","parentUuid":"d","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"e","message":{"role":"user","content":[{"type":"text","text":"Last in s1"}]}} +{"type":"user","timestamp":"2025-07-01T11:00:00.000Z","parentUuid":"e","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s2","version":"1.0.0","uuid":"f","message":{"role":"user","content":[{"type":"text","text":"Resume here"}]}} +{"type":"assistant","timestamp":"2025-07-01T11:01:00.000Z","parentUuid":"f","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s2","version":"1.0.0","uuid":"g","requestId":"req_3","message":{"id":"g","type":"message","role":"assistant","model":"claude-3-sonnet","content":[{"type":"text","text":"Resumed reply"}],"stop_reason":"end_turn","usage":{"input_tokens":20,"output_tokens":10}}} +{"type":"user","timestamp":"2025-07-01T11:02:00.000Z","parentUuid":"g","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s2","version":"1.0.0","uuid":"h","message":{"role":"user","content":[{"type":"text","text":"End of s2"}]}} diff --git a/test/test_data/dag_simple.jsonl b/test/test_data/dag_simple.jsonl new file mode 100644 index 00000000..5b5152d6 --- /dev/null +++ b/test/test_data/dag_simple.jsonl @@ -0,0 +1,5 @@ +{"type":"user","timestamp":"2025-07-01T10:00:00.000Z","parentUuid":null,"isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"a","message":{"role":"user","content":[{"type":"text","text":"Hello"}]}} +{"type":"assistant","timestamp":"2025-07-01T10:01:00.000Z","parentUuid":"a","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"b","requestId":"req_1","message":{"id":"b","type":"message","role":"assistant","model":"claude-3-sonnet","content":[{"type":"text","text":"Hi there"}],"stop_reason":"end_turn","usage":{"input_tokens":10,"output_tokens":5}}} +{"type":"user","timestamp":"2025-07-01T10:02:00.000Z","parentUuid":"b","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"c","message":{"role":"user","content":[{"type":"text","text":"How are you?"}]}} +{"type":"assistant","timestamp":"2025-07-01T10:03:00.000Z","parentUuid":"c","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"d","requestId":"req_2","message":{"id":"d","type":"message","role":"assistant","model":"claude-3-sonnet","content":[{"type":"text","text":"I'm doing well"}],"stop_reason":"end_turn","usage":{"input_tokens":15,"output_tokens":8}}} +{"type":"user","timestamp":"2025-07-01T10:04:00.000Z","parentUuid":"d","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"e","message":{"role":"user","content":[{"type":"text","text":"Goodbye"}]}} From 70425eccde0b98220fd85e913ba4d7aeded42b30 Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Fri, 13 Feb 2026 18:33:35 +0100 Subject: [PATCH 03/23] Integrate DAG ordering into directory-mode loading (Phase B) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Replace timestamp-based sorting in load_directory_transcripts() with DAG traversal: partition sidechains, build DAG from main entries, traverse depth-first, re-append summaries/queue-ops/sidechains. Fix coverage bug in extract_session_dag_lines() where chain walk from root only covers one node when all parentUuid values are null — now falls back to timestamp sort when chain < total nodes. Co-Authored-By: Claude Opus 4.6 --- claude_code_log/converter.py | 24 +- claude_code_log/dag.py | 11 +- test/__snapshots__/test_snapshot_html.ambr | 40 +-- test/test_cache_integration.py | 9 +- test/test_dag.py | 62 ++++- test/test_dag_integration.py | 304 +++++++++++++++++++++ 6 files changed, 416 insertions(+), 34 deletions(-) create mode 100644 test/test_dag_integration.py diff --git a/claude_code_log/converter.py b/claude_code_log/converter.py index 2a673080..42728892 100644 --- a/claude_code_log/converter.py +++ b/claude_code_log/converter.py @@ -31,11 +31,13 @@ from .models import ( TranscriptEntry, AssistantTranscriptEntry, + QueueOperationTranscriptEntry, SummaryTranscriptEntry, SystemTranscriptEntry, UserTranscriptEntry, ToolResultContent, ) +from .dag import build_dag_from_entries, traverse_session_tree from .renderer import get_renderer, is_html_outdated @@ -331,14 +333,22 @@ def load_directory_transcripts( ) all_messages.extend(messages) - # Sort all messages chronologically - def get_timestamp(entry: TranscriptEntry) -> str: - if hasattr(entry, "timestamp"): - return entry.timestamp # type: ignore - return "" + # Partition: sidechain entries excluded from DAG (Phase C scope) + sidechain_entries = [e for e in all_messages if getattr(e, "isSidechain", False)] + main_entries = [e for e in all_messages if not getattr(e, "isSidechain", False)] - all_messages.sort(key=get_timestamp) - return all_messages + # Build DAG and traverse (entries grouped by session, depth-first) + tree = build_dag_from_entries(main_entries) + dag_ordered = traverse_session_tree(tree) + + # Re-add summaries/queue-ops (excluded from DAG since they lack uuid) + non_dag_entries: list[TranscriptEntry] = [ + e + for e in main_entries + if isinstance(e, (SummaryTranscriptEntry, QueueOperationTranscriptEntry)) + ] + + return dag_ordered + sidechain_entries + non_dag_entries # ============================================================================= diff --git a/claude_code_log/dag.py b/claude_code_log/dag.py index 2ef26a75..a3a60de1 100644 --- a/claude_code_log/dag.py +++ b/claude_code_log/dag.py @@ -247,8 +247,15 @@ def extract_session_dag_lines( linear = False current = None - if not linear: - # Fall back to timestamp sort + if not linear or len(chain) < len(snodes): + if len(chain) < len(snodes): + logger.warning( + "Session %s: chain covers %d of %d nodes, " + "falling back to timestamp sort", + session_id, + len(chain), + len(snodes), + ) sorted_nodes = sorted(snodes, key=lambda n: n.timestamp) chain = [n.uuid for n in sorted_nodes] diff --git a/test/__snapshots__/test_snapshot_html.ambr b/test/__snapshots__/test_snapshot_html.ambr index c7a8cc2b..5bcd7a9c 100644 --- a/test/__snapshots__/test_snapshot_html.ambr +++ b/test/__snapshots__/test_snapshot_html.ambr @@ -15122,7 +15122,7 @@ -
@@ -15199,7 +15199,7 @@ -
+
🤖 Assistant
@@ -15219,7 +15219,7 @@ -
+
🤷 User
@@ -15236,17 +15236,17 @@
-
+
Session: User learned about Python decorators, including basic decorators and parameterized decorators. Created and ran examples showing how decorators work with functions. User is now ready to implement their own timing decorator. • test_ses
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+
-
+
▼ 4 users
-
+
▼▼ 4 users, 3 assistants, 2 more total
@@ -15258,7 +15258,7 @@ -
+
🤷 User
@@ -15270,10 +15270,10 @@ 
Hello Claude! Can you help me understand how Python decorators work?
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+
-
+
▼ 1 assistant
@@ -15285,7 +15285,7 @@ -
+
🤖 Assistant
@@ -15324,7 +15324,7 @@ -
+
🤷 User
@@ -15351,7 +15351,7 @@ -
+
📝 Edit /tmp/decorator_example.py
@@ -15368,7 +15368,7 @@ -
+
@@ -15385,7 +15385,7 @@ -
+
🤖 Assistant
@@ -15417,7 +15417,7 @@ -
+
🤷 User
@@ -15444,7 +15444,7 @@ -
+
💻 Bash Run the decorator example to show output
@@ -15461,7 +15461,7 @@ -
+
@@ -15480,7 +15480,7 @@ -
+
🤖 Assistant
@@ -15508,7 +15508,7 @@ -
+
🤷 User
diff --git a/test/test_cache_integration.py b/test/test_cache_integration.py index 5e633766..a8a8bb23 100644 --- a/test/test_cache_integration.py +++ b/test/test_cache_integration.py @@ -567,7 +567,7 @@ def test_get_archived_sessions_with_some_files_remaining( project_dir = temp_projects_dir / "partial-archived" project_dir.mkdir() - # Create two session files + # Create two independent session files (unique UUIDs, as in real transcripts) for session_id in ["session-1", "session-2"]: jsonl_file = project_dir / f"{session_id}.jsonl" with open(jsonl_file, "w") as f: @@ -575,6 +575,8 @@ def test_get_archived_sessions_with_some_files_remaining( entry_copy = entry.copy() if "sessionId" in entry_copy: entry_copy["sessionId"] = session_id + if "uuid" in entry_copy: + entry_copy["uuid"] = f"{entry_copy['uuid']}-{session_id}" f.write(json.dumps(entry_copy) + "\n") # Process to populate cache @@ -703,7 +705,8 @@ def test_archived_session_count_in_converter( project_dir = temp_projects_dir / "count-test" project_dir.mkdir() - # Create two sessions so one remains after deletion + # Create two independent sessions so one remains after deletion + # (unique UUIDs per session, as in real transcripts) for session_id in ["session-1", "session-2"]: jsonl_file = project_dir / f"{session_id}.jsonl" with open(jsonl_file, "w") as f: @@ -711,6 +714,8 @@ def test_archived_session_count_in_converter( entry_copy = entry.copy() if "sessionId" in entry_copy: entry_copy["sessionId"] = session_id + if "uuid" in entry_copy: + entry_copy["uuid"] = f"{entry_copy['uuid']}-{session_id}" f.write(json.dumps(entry_copy) + "\n") # Process to cache (as part of all-projects hierarchy) diff --git a/test/test_dag.py b/test/test_dag.py index c0190b67..0c9604c0 100644 --- a/test/test_dag.py +++ b/test/test_dag.py @@ -6,13 +6,10 @@ import pytest from claude_code_log.dag import ( - MessageNode, - SessionDAGLine, SessionTree, build_dag, build_dag_from_entries, build_message_index, - build_session_tree, extract_session_dag_lines, traverse_session_tree, ) @@ -633,3 +630,62 @@ def test_multi_session_chains(self) -> None: sessions = extract_session_dag_lines(nodes) assert sessions["s1"].uuids == ["a", "b", "c", "d", "e"] assert sessions["s2"].uuids == ["f", "g", "h"] + + +# ============================================================================= +# Test: Degenerate parentUuid (all null) +# ============================================================================= + + +class TestDegenerateParentUuid: + """Test handling of entries where all parentUuid values are null. + + This is the common case for existing test data and older transcripts + that lack parentUuid chains. The DAG should fall back to timestamp sort. + """ + + @pytest.fixture() + def entries(self) -> list[TranscriptEntry]: + """Create 5 entries with parentUuid=null, out of timestamp order.""" + data = [ + { + "type": "user", + "timestamp": f"2025-07-01T10:0{i}:00.000Z", + "parentUuid": None, + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s1", + "version": "1.0.0", + "uuid": f"msg_{i}", + "message": { + "role": "user", + "content": [{"type": "text", "text": f"Message {i}"}], + }, + } + for i in [3, 1, 4, 0, 2] # Out of order + ] + return [create_transcript_entry(d) for d in data] + + def test_all_null_parent_uuid_falls_back_to_timestamp( + self, entries: list[TranscriptEntry] + ) -> None: + """All 5 entries with parentUuid=null should appear in timestamp order.""" + nodes = build_message_index(entries) + build_dag(nodes) + sessions = extract_session_dag_lines(nodes) + + dag_line = sessions["s1"] + assert len(dag_line.uuids) == 5 + # Should be sorted by timestamp + assert dag_line.uuids == ["msg_0", "msg_1", "msg_2", "msg_3", "msg_4"] + + def test_all_null_traversal_returns_all_entries( + self, entries: list[TranscriptEntry] + ) -> None: + """Traversal should return all 5 entries, none dropped.""" + tree = build_dag_from_entries(entries) + result = traverse_session_tree(tree) + assert len(result) == 5 + uuids = [e.uuid for e in result] # type: ignore[union-attr] + assert uuids == ["msg_0", "msg_1", "msg_2", "msg_3", "msg_4"] diff --git a/test/test_dag_integration.py b/test/test_dag_integration.py new file mode 100644 index 00000000..566a200f --- /dev/null +++ b/test/test_dag_integration.py @@ -0,0 +1,304 @@ +"""Integration tests for DAG-based ordering in the rendering pipeline. + +Tests that DAG ordering in load_directory_transcripts() produces correct +results when wired into the converter's directory-mode loading. +""" + +import json +from pathlib import Path +from typing import Any + + +from claude_code_log.converter import load_directory_transcripts +from claude_code_log.models import ( + SummaryTranscriptEntry, + QueueOperationTranscriptEntry, +) + + +def _write_jsonl(path: Path, entries: list[dict[str, Any]]) -> None: + """Write entries as JSONL lines to a file.""" + with open(path, "w") as f: + for entry in entries: + f.write(json.dumps(entry) + "\n") + + +def _make_user_entry( + uuid: str, + session_id: str, + timestamp: str, + parent_uuid: str | None = None, + text: str = "msg", + is_sidechain: bool = False, + agent_id: str | None = None, +) -> dict[str, Any]: + """Helper to create a user transcript entry dict.""" + entry: dict[str, Any] = { + "type": "user", + "timestamp": timestamp, + "parentUuid": parent_uuid, + "isSidechain": is_sidechain, + "userType": "human", + "cwd": "/tmp", + "sessionId": session_id, + "version": "1.0.0", + "uuid": uuid, + "message": {"role": "user", "content": [{"type": "text", "text": text}]}, + } + if agent_id is not None: + entry["agentId"] = agent_id + return entry + + +def _make_assistant_entry( + uuid: str, + session_id: str, + timestamp: str, + parent_uuid: str | None = None, + text: str = "reply", + is_sidechain: bool = False, +) -> dict[str, Any]: + """Helper to create an assistant transcript entry dict.""" + return { + "type": "assistant", + "timestamp": timestamp, + "parentUuid": parent_uuid, + "isSidechain": is_sidechain, + "userType": "human", + "cwd": "/tmp", + "sessionId": session_id, + "version": "1.0.0", + "uuid": uuid, + "requestId": f"req_{uuid}", + "message": { + "id": uuid, + "type": "message", + "role": "assistant", + "model": "claude-3-sonnet", + "content": [{"type": "text", "text": text}], + "stop_reason": "end_turn", + "usage": {"input_tokens": 10, "output_tokens": 5}, + }, + } + + +# ============================================================================= +# Test: DAG ordering in load_directory_transcripts +# ============================================================================= + + +class TestLoadDirectoryDagOrdering: + """Test that load_directory_transcripts uses DAG ordering.""" + + def test_load_directory_dag_ordering(self, tmp_path: Path) -> None: + """Split dag_resume entries across two files, verify session grouping.""" + # File 1: session s1 entries (a→b→c→d→e) + file1_entries = [ + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", None, "Start"), + _make_assistant_entry("b", "s1", "2025-07-01T10:01:00.000Z", "a"), + _make_user_entry("c", "s1", "2025-07-01T10:02:00.000Z", "b"), + _make_assistant_entry("d", "s1", "2025-07-01T10:03:00.000Z", "c"), + _make_user_entry("e", "s1", "2025-07-01T10:04:00.000Z", "d"), + ] + # File 2: session s2 entries (f→g→h, f.parent=e) + file2_entries = [ + _make_user_entry("f", "s2", "2025-07-01T11:00:00.000Z", "e", "Resume"), + _make_assistant_entry("g", "s2", "2025-07-01T11:01:00.000Z", "f"), + _make_user_entry("h", "s2", "2025-07-01T11:02:00.000Z", "g"), + ] + + _write_jsonl(tmp_path / "session1.jsonl", file1_entries) + _write_jsonl(tmp_path / "session2.jsonl", file2_entries) + + result = load_directory_transcripts(tmp_path, silent=True) + + # Should have all 8 entries in DAG order (s1 then s2) + uuids = [getattr(e, "uuid", None) for e in result] + assert uuids == ["a", "b", "c", "d", "e", "f", "g", "h"] + + def test_load_directory_with_sidechains(self, tmp_path: Path) -> None: + """Sidechain entries should be present after DAG-ordered main entries.""" + main_entries = [ + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", None, "Start"), + _make_assistant_entry("b", "s1", "2025-07-01T10:01:00.000Z", "a"), + ] + sidechain_entries = [ + _make_user_entry( + "sc1", + "s1", + "2025-07-01T10:00:30.000Z", + "a", + "Sidechain msg", + is_sidechain=True, + ), + ] + + _write_jsonl(tmp_path / "session.jsonl", main_entries + sidechain_entries) + + result = load_directory_transcripts(tmp_path, silent=True) + uuids = [getattr(e, "uuid", None) for e in result] + + # Main entries first (DAG ordered), then sidechain + assert "a" in uuids + assert "b" in uuids + assert "sc1" in uuids + # Sidechain should be after main entries + assert uuids.index("sc1") > uuids.index("b") + + def test_load_directory_with_summaries(self, tmp_path: Path) -> None: + """Summary entries should be preserved in output.""" + entries: list[dict[str, Any]] = [ + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", None, "Start"), + _make_assistant_entry("b", "s1", "2025-07-01T10:01:00.000Z", "a"), + { + "type": "summary", + "summary": "A test summary", + "leafUuid": "b", + "timestamp": "2025-07-01T10:05:00.000Z", + }, + ] + + _write_jsonl(tmp_path / "session.jsonl", entries) + + result = load_directory_transcripts(tmp_path, silent=True) + + # Should have 2 DAG entries + 1 summary + summary_entries = [e for e in result if isinstance(e, SummaryTranscriptEntry)] + assert len(summary_entries) == 1 + assert summary_entries[0].summary == "A test summary" + + # DAG entries should be present + dag_uuids = [ + getattr(e, "uuid", None) + for e in result + if not isinstance(e, SummaryTranscriptEntry) + ] + assert "a" in dag_uuids + assert "b" in dag_uuids + + def test_load_directory_degenerate_parentuuid(self, tmp_path: Path) -> None: + """All parentUuid=null entries should be returned, none lost.""" + entries = [ + _make_user_entry( + f"msg_{i}", "s1", f"2025-07-01T10:0{i}:00.000Z", None, f"Msg {i}" + ) + for i in range(5) + ] + + _write_jsonl(tmp_path / "session.jsonl", entries) + + result = load_directory_transcripts(tmp_path, silent=True) + + # All 5 entries should be present + uuids = [getattr(e, "uuid", None) for e in result] + assert len(uuids) == 5 + # Should be timestamp-ordered (fallback) + assert uuids == ["msg_0", "msg_1", "msg_2", "msg_3", "msg_4"] + + def test_load_directory_with_queue_operations(self, tmp_path: Path) -> None: + """Queue operation entries should be preserved in output.""" + entries: list[dict[str, Any]] = [ + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", None, "Start"), + _make_assistant_entry("b", "s1", "2025-07-01T10:01:00.000Z", "a"), + { + "type": "queue-operation", + "operation": "dequeue", + "timestamp": "2025-07-01T10:00:30.000Z", + "sessionId": "s1", + }, + ] + + _write_jsonl(tmp_path / "session.jsonl", entries) + + result = load_directory_transcripts(tmp_path, silent=True) + + queue_entries = [ + e for e in result if isinstance(e, QueueOperationTranscriptEntry) + ] + assert len(queue_entries) == 1 + assert queue_entries[0].operation == "dequeue" + + +# ============================================================================= +# Test: End-to-end with generate_template_messages +# ============================================================================= + + +class TestEndToEndHtmlWithDag: + """Test full pipeline from DAG-ordered directory input to template messages.""" + + def test_end_to_end_html_with_dag(self, tmp_path: Path) -> None: + """Full generate_template_messages() with DAG-ordered directory input.""" + from claude_code_log.renderer import generate_template_messages + + # Two sessions: s1 (earlier), s2 (later, resumes from s1) + file1_entries = [ + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", None, "Hello"), + _make_assistant_entry( + "b", "s1", "2025-07-01T10:01:00.000Z", "a", "Hi there" + ), + ] + file2_entries = [ + _make_user_entry("c", "s2", "2025-07-01T11:00:00.000Z", "b", "Resume"), + _make_assistant_entry( + "d", "s2", "2025-07-01T11:01:00.000Z", "c", "Resumed" + ), + ] + + _write_jsonl(tmp_path / "session1.jsonl", file1_entries) + _write_jsonl(tmp_path / "session2.jsonl", file2_entries) + + # Load via DAG ordering + messages = load_directory_transcripts(tmp_path, silent=True) + + # Run through template message generation (returns tuple) + root_messages, session_nav, context = generate_template_messages(messages) + + # Extract session headers and verify order + from claude_code_log.models import SessionHeaderMessage + + session_headers = [ + tm for tm in root_messages if isinstance(tm.content, SessionHeaderMessage) + ] + + # Should have session headers + assert len(session_headers) >= 2 + # s1 header should come before s2 header + s1_idx = next( + i + for i, tm in enumerate(root_messages) + if isinstance(tm.content, SessionHeaderMessage) + and tm.content.session_id == "s1" + ) + s2_idx = next( + i + for i, tm in enumerate(root_messages) + if isinstance(tm.content, SessionHeaderMessage) + and tm.content.session_id == "s2" + ) + assert s1_idx < s2_idx + + def test_end_to_end_degenerate_data_matches_timestamp_sort( + self, tmp_path: Path + ) -> None: + """Degenerate data (all null parentUuid) produces same order as timestamp sort.""" + from claude_code_log.renderer import generate_template_messages + + # 3 entries with parentUuid=null + entries = [ + _make_user_entry("x", "s1", "2025-07-01T10:00:00.000Z", None, "First"), + _make_assistant_entry("y", "s1", "2025-07-01T10:01:00.000Z", None, "Mid"), + _make_user_entry("z", "s1", "2025-07-01T10:02:00.000Z", None, "Last"), + ] + + _write_jsonl(tmp_path / "session.jsonl", entries) + + messages = load_directory_transcripts(tmp_path, silent=True) + + # Verify order matches timestamps + uuids = [getattr(e, "uuid", None) for e in messages if hasattr(e, "uuid")] + assert uuids == ["x", "y", "z"] + + # Also verify template generation works + root_messages, session_nav, context = generate_template_messages(messages) + assert len(root_messages) > 0 From b5fe77fc2d05232ca7f74c8d61224053bf1782c7 Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Sat, 14 Feb 2026 16:21:06 +0100 Subject: [PATCH 04/23] Add hierarchical session navigation with parent/child relationships (Phase B) Build session hierarchy from DAG inside the renderer pipeline, enriching SessionHeaderMessage and session nav with parent_session_id, depth, and backlinks. Child sessions appear indented in the navigation and show "continues from" labels in both the nav and session headers. Co-Authored-By: Claude Opus 4.6 --- claude_code_log/html/system_formatters.py | 7 ++ .../templates/components/session_nav.html | 6 +- .../components/session_nav_styles.css | 12 +++ .../html/templates/transcript.html | 2 +- claude_code_log/models.py | 7 +- claude_code_log/renderer.py | 77 +++++++++++++++- test/__snapshots__/test_snapshot_html.ambr | 72 ++++++++++++++- test/test_dag_integration.py | 87 +++++++++++++++++++ 8 files changed, 262 insertions(+), 8 deletions(-) diff --git a/claude_code_log/html/system_formatters.py b/claude_code_log/html/system_formatters.py index 08807033..b9dfc823 100644 --- a/claude_code_log/html/system_formatters.py +++ b/claude_code_log/html/system_formatters.py @@ -88,6 +88,13 @@ def format_session_header_content(content: SessionHeaderMessage) -> str: HTML for the session header display """ escaped_title = html.escape(content.title) + if content.parent_session_id: + parent_label = content.parent_session_summary or content.parent_session_id[:8] + escaped_parent = html.escape(parent_label) + return ( + f'↳ continues from ' + f"{escaped_parent}{escaped_title}" + ) return escaped_title diff --git a/claude_code_log/html/templates/components/session_nav.html b/claude_code_log/html/templates/components/session_nav.html index 143d4a89..274b3538 100644 --- a/claude_code_log/html/templates/components/session_nav.html +++ b/claude_code_log/html/templates/components/session_nav.html @@ -13,8 +13,12 @@

Session Navigation

{% for session in sessions %} + class='session-link{% if session.depth|default(0) > 0 %} session-child{% endif %}' + {% if session.depth|default(0) > 0 %}style='margin-left: {{ session.depth * 24 }}px'{% endif %}>
+ {% if session.parent_session_id %} + ↳ continues from {{ session.parent_session_id[:8] }} + {% endif %} {% if session.summary %} {{ session.summary }} • {% endif %} diff --git a/claude_code_log/html/templates/components/session_nav_styles.css b/claude_code_log/html/templates/components/session_nav_styles.css index a69c4d35..0318bd9f 100644 --- a/claude_code_log/html/templates/components/session_nav_styles.css +++ b/claude_code_log/html/templates/components/session_nav_styles.css @@ -48,6 +48,18 @@ margin-top: 2px; } +/* Child session hierarchy */ +.session-child { + border-left: 3px solid var(--accent-color, #6c757d); +} + +.session-backlink { + font-size: 0.75em; + color: #6c757d; + display: block; + margin-bottom: 2px; +} + /* Project-specific session navigation */ .project-sessions { margin-top: 15px; diff --git a/claude_code_log/html/templates/transcript.html b/claude_code_log/html/templates/transcript.html index 5863b50c..4d7ef226 100644 --- a/claude_code_log/html/templates/transcript.html +++ b/claude_code_log/html/templates/transcript.html @@ -100,7 +100,7 @@

🔍 Search & Filter

{% if is_session_header(message) %}
-
Session: {{ html_content }}
+
Session: {{ html_content|safe }}
{% if message.has_children %}
{% if message.immediate_children_count == message.total_descendants_count %} diff --git a/claude_code_log/models.py b/claude_code_log/models.py index 47278945..5b6e7d33 100644 --- a/claude_code_log/models.py +++ b/claude_code_log/models.py @@ -655,12 +655,17 @@ class SessionHeaderMessage(MessageContent): """Content for session headers in transcript rendering. Represents the header displayed at the start of each session - with session title and optional summary. + with session title and optional summary. Includes hierarchy + fields for parent/child session relationships. """ title: str session_id: str summary: Optional[str] = None + parent_session_id: Optional[str] = None + parent_session_summary: Optional[str] = None + depth: int = 0 # 0 = root, 1 = child, etc. + attachment_uuid: Optional[str] = None @property def message_type(self) -> str: diff --git a/claude_code_log/renderer.py b/claude_code_log/renderer.py index 1f3c3496..40df2667 100644 --- a/claude_code_log/renderer.py +++ b/claude_code_log/renderer.py @@ -558,6 +558,10 @@ def generate_template_messages( with log_timing("Session summary processing", t_start): session_summaries = prepare_session_summaries(messages) + # Extract session hierarchy from DAG + with log_timing("Extract session hierarchy", t_start): + session_hierarchy, _junction_targets = _extract_session_hierarchy(messages) + # Filter messages (removes summaries, warmup, empty, etc.) with log_timing("Filter messages", t_start): filtered_messages = _filter_messages(messages) @@ -573,14 +577,22 @@ def generate_template_messages( with log_timing( lambda: f"Render messages ({len(ctx.messages) if ctx else 0} messages)", t_start ): - ctx = _render_messages(filtered_messages, sessions, show_tokens_for_message) + ctx = _render_messages( + filtered_messages, + sessions, + show_tokens_for_message, + session_hierarchy, + session_summaries, + ) # Prepare session navigation data (uses ctx for session header indices) session_nav: list[dict[str, Any]] = [] with log_timing( lambda: f"Session navigation building ({len(session_nav)} sessions)", t_start ): - session_nav = prepare_session_navigation(sessions, session_order, ctx) + session_nav = prepare_session_navigation( + sessions, session_order, ctx, session_hierarchy + ) # Reorder messages so each session's messages follow their session header # This fixes interleaving that occurs when sessions are resumed @@ -627,6 +639,48 @@ def generate_template_messages( # -- Session Utilities -------------------------------------------------------- +def _extract_session_hierarchy( + messages: list[TranscriptEntry], +) -> tuple[dict[str, dict[str, Any]], dict[str, list[str]]]: + """Extract session hierarchy from DAG for rendering. + + Returns: + (hierarchy, junction_targets) where: + - hierarchy: session_id -> {parent_session_id, attachment_uuid, depth} + - junction_targets: uuid -> [target session IDs] + """ + from .dag import build_dag_from_entries + + tree = build_dag_from_entries(messages) + + depth_cache: dict[str, int] = {} + + def _depth(sid: str) -> int: + if sid in depth_cache: + return depth_cache[sid] + dl = tree.sessions.get(sid) + if dl is None or dl.parent_session_id is None: + depth_cache[sid] = 0 + return 0 + d = 1 + _depth(dl.parent_session_id) + depth_cache[sid] = d + return d + + hierarchy: dict[str, dict[str, Any]] = {} + for sid, dag_line in tree.sessions.items(): + hierarchy[sid] = { + "parent_session_id": dag_line.parent_session_id, + "attachment_uuid": dag_line.attachment_uuid, + "depth": _depth(sid), + } + + junction_targets: dict[str, list[str]] = {} + for uuid, jp in tree.junction_points.items(): + junction_targets[uuid] = jp.target_sessions + + return hierarchy, junction_targets + + def prepare_session_summaries(messages: list[TranscriptEntry]) -> dict[str, str]: """Extract session summaries from messages. @@ -669,6 +723,7 @@ def prepare_session_navigation( sessions: dict[str, dict[str, Any]], session_order: list[str], ctx: RenderingContext, + session_hierarchy: dict[str, dict[str, Any]] | None = None, ) -> list[dict[str, Any]]: """Prepare session navigation data for template rendering. @@ -676,6 +731,7 @@ def prepare_session_navigation( sessions: Dictionary mapping session_id to session info dict session_order: List of session IDs in display order ctx: RenderingContext with session_first_message indices + session_hierarchy: Optional hierarchy data from _extract_session_hierarchy() Returns: List of session navigation dicts for template rendering @@ -716,6 +772,9 @@ def prepare_session_navigation( # Get message_index for session header (for unified d-{index} links) message_index = ctx.session_first_message.get(session_id) + # Get hierarchy data + hier = (session_hierarchy or {}).get(session_id, {}) + session_nav.append( { "id": session_id, @@ -729,6 +788,8 @@ def prepare_session_navigation( if session_info["first_user_message"] != "" else "[No user message found in session.]", "token_summary": token_summary, + "parent_session_id": hier.get("parent_session_id"), + "depth": hier.get("depth", 0), } ) @@ -1683,6 +1744,8 @@ def _render_messages( messages: list[TranscriptEntry], sessions: dict[str, dict[str, Any]], show_tokens_for_message: set[str], + session_hierarchy: dict[str, dict[str, Any]] | None = None, + session_summaries: dict[str, str] | None = None, ) -> RenderingContext: """Pass 2: Render pre-filtered messages to TemplateMessage objects. @@ -1699,6 +1762,8 @@ def _render_messages( messages: Pre-filtered list of transcript entries from _collect_session_info sessions: Session metadata from _collect_session_info show_tokens_for_message: Set of message UUIDs that should display tokens + session_hierarchy: Optional hierarchy data from _extract_session_hierarchy() + session_summaries: Optional session summaries for parent backlinks Returns: RenderingContext with all TemplateMessage objects registered @@ -1777,11 +1842,19 @@ def _render_messages( timestamp="", uuid="", ) + hier = (session_hierarchy or {}).get(session_id, {}) + parent_sid = hier.get("parent_session_id") session_header_content = SessionHeaderMessage( session_header_meta, title=session_title, session_id=session_id, summary=current_session_summary, + parent_session_id=parent_sid, + parent_session_summary=(session_summaries or {}).get(parent_sid) + if parent_sid + else None, + depth=hier.get("depth", 0), + attachment_uuid=hier.get("attachment_uuid"), ) # Register and track session's first message session_header = TemplateMessage(session_header_content) diff --git a/test/__snapshots__/test_snapshot_html.ambr b/test/__snapshots__/test_snapshot_html.ambr index 5bcd7a9c..64061244 100644 --- a/test/__snapshots__/test_snapshot_html.ambr +++ b/test/__snapshots__/test_snapshot_html.ambr @@ -297,6 +297,18 @@ margin-top: 2px; } + /* Child session hierarchy */ + .session-child { + border-left: 3px solid var(--accent-color, #6c757d); + } + + .session-backlink { + font-size: 0.75em; + color: #6c757d; + display: block; + margin-bottom: 2px; + } + /* Project-specific session navigation */ .project-sessions { margin-top: 15px; @@ -1734,9 +1746,11 @@
+ class='session-link' + >
+ Test session summary • session- @@ -3185,6 +3199,18 @@ margin-top: 2px; } + /* Child session hierarchy */ + .session-child { + border-left: 3px solid var(--accent-color, #6c757d); + } + + .session-backlink { + font-size: 0.75em; + color: #6c757d; + display: block; + margin-bottom: 2px; + } + /* Project-specific session navigation */ .project-sessions { margin-top: 15px; @@ -8157,6 +8183,18 @@ margin-top: 2px; } + /* Child session hierarchy */ + .session-child { + border-left: 3px solid var(--accent-color, #6c757d); + } + + .session-backlink { + font-size: 0.75em; + color: #6c757d; + display: block; + margin-bottom: 2px; + } + /* Project-specific session navigation */ .project-sessions { margin-top: 15px; @@ -13225,6 +13263,18 @@ margin-top: 2px; } + /* Child session hierarchy */ + .session-child { + border-left: 3px solid var(--accent-color, #6c757d); + } + + .session-backlink { + font-size: 0.75em; + color: #6c757d; + display: block; + margin-bottom: 2px; + } + /* Project-specific session navigation */ .project-sessions { margin-top: 15px; @@ -15106,9 +15156,11 @@
+ class='session-link' + >
+ session_
@@ -15123,9 +15175,11 @@ + class='session-link' + >
+ User learned about Python decorators, including basic decorators and parameterized decorators. Created and ran examples showing how decorators work with functions. User is now ready to implement their own timing decorator. • test_ses @@ -18334,6 +18388,18 @@ margin-top: 2px; } + /* Child session hierarchy */ + .session-child { + border-left: 3px solid var(--accent-color, #6c757d); + } + + .session-backlink { + font-size: 0.75em; + color: #6c757d; + display: block; + margin-bottom: 2px; + } + /* Project-specific session navigation */ .project-sessions { margin-top: 15px; diff --git a/test/test_dag_integration.py b/test/test_dag_integration.py index 566a200f..59ea91ed 100644 --- a/test/test_dag_integration.py +++ b/test/test_dag_integration.py @@ -278,6 +278,93 @@ def test_end_to_end_html_with_dag(self, tmp_path: Path) -> None: ) assert s1_idx < s2_idx + def test_session_header_hierarchy_fields(self, tmp_path: Path) -> None: + """Session headers carry hierarchy fields (parent, depth) from DAG.""" + from claude_code_log.renderer import generate_template_messages + from claude_code_log.models import SessionHeaderMessage + + # s1 is root, s2 resumes from s1 (c.parent=b), s3 resumes from s2 + entries = [ + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", None, "Start"), + _make_assistant_entry("b", "s1", "2025-07-01T10:01:00.000Z", "a"), + _make_user_entry("c", "s2", "2025-07-01T11:00:00.000Z", "b", "Resume"), + _make_assistant_entry("d", "s2", "2025-07-01T11:01:00.000Z", "c"), + _make_user_entry("e", "s3", "2025-07-01T12:00:00.000Z", "d", "Resume2"), + _make_assistant_entry("f", "s3", "2025-07-01T12:01:00.000Z", "e"), + ] + + _write_jsonl(tmp_path / "sessions.jsonl", entries) + messages = load_directory_transcripts(tmp_path, silent=True) + root_messages, session_nav, _ctx = generate_template_messages(messages) + + headers = { + tm.content.session_id: tm.content + for tm in root_messages + if isinstance(tm.content, SessionHeaderMessage) + } + + # s1 is root + assert headers["s1"].parent_session_id is None + assert headers["s1"].depth == 0 + + # s2 is child of s1 + assert headers["s2"].parent_session_id == "s1" + assert headers["s2"].depth == 1 + + # s3 is grandchild (child of s2) + assert headers["s3"].parent_session_id == "s2" + assert headers["s3"].depth == 2 + + def test_session_nav_hierarchy_fields(self, tmp_path: Path) -> None: + """Session nav entries carry hierarchy data for template rendering.""" + from claude_code_log.renderer import generate_template_messages + + entries = [ + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", None, "Start"), + _make_assistant_entry("b", "s1", "2025-07-01T10:01:00.000Z", "a"), + _make_user_entry("c", "s2", "2025-07-01T11:00:00.000Z", "b", "Resume"), + _make_assistant_entry("d", "s2", "2025-07-01T11:01:00.000Z", "c"), + ] + + _write_jsonl(tmp_path / "sessions.jsonl", entries) + messages = load_directory_transcripts(tmp_path, silent=True) + _root, session_nav, _ctx = generate_template_messages(messages) + + nav_by_id = {s["id"]: s for s in session_nav} + + # s1 root + assert nav_by_id["s1"]["parent_session_id"] is None + assert nav_by_id["s1"]["depth"] == 0 + + # s2 child + assert nav_by_id["s2"]["parent_session_id"] == "s1" + assert nav_by_id["s2"]["depth"] == 1 + + def test_degenerate_data_no_hierarchy(self, tmp_path: Path) -> None: + """Degenerate data (all null parentUuid) has no hierarchy.""" + from claude_code_log.renderer import generate_template_messages + from claude_code_log.models import SessionHeaderMessage + + entries = [ + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", None, "Msg"), + _make_assistant_entry("b", "s1", "2025-07-01T10:01:00.000Z", None), + ] + + _write_jsonl(tmp_path / "session.jsonl", entries) + messages = load_directory_transcripts(tmp_path, silent=True) + root_messages, session_nav, _ctx = generate_template_messages(messages) + + header = next( + tm.content + for tm in root_messages + if isinstance(tm.content, SessionHeaderMessage) + ) + assert header.parent_session_id is None + assert header.depth == 0 + + assert session_nav[0]["depth"] == 0 + assert session_nav[0]["parent_session_id"] is None + def test_end_to_end_degenerate_data_matches_timestamp_sort( self, tmp_path: Path ) -> None: From 2268d16553d013f71be8feb91192d3e0a52c7d43 Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Sun, 15 Feb 2026 19:16:37 +0100 Subject: [PATCH 05/23] Make session backlinks navigable with #msg-d-{N} anchors Backlinks in session headers and session nav are now links that scroll to the parent session header. Uses d-{index} anchors which are stable within the combined transcript (regenerated whole). Also documents future UUID-based cross-page linking approach in dev-docs/dag.md for when individual session pages need stable cross-references. Co-Authored-By: Claude Opus 4.6 --- claude_code_log/html/system_formatters.py | 16 +- .../templates/components/session_nav.html | 48 +++--- .../components/session_nav_styles.css | 9 +- claude_code_log/models.py | 1 + claude_code_log/renderer.py | 11 +- dev-docs/dag.md | 26 ++++ test/__snapshots__/test_snapshot_html.ambr | 145 +++++++++++------- 7 files changed, 176 insertions(+), 80 deletions(-) diff --git a/claude_code_log/html/system_formatters.py b/claude_code_log/html/system_formatters.py index b9dfc823..6939c41e 100644 --- a/claude_code_log/html/system_formatters.py +++ b/claude_code_log/html/system_formatters.py @@ -91,10 +91,18 @@ def format_session_header_content(content: SessionHeaderMessage) -> str: if content.parent_session_id: parent_label = content.parent_session_summary or content.parent_session_id[:8] escaped_parent = html.escape(parent_label) - return ( - f'↳ continues from ' - f"{escaped_parent}{escaped_title}" - ) + if content.parent_message_index is not None: + link = ( + f'↳ continues from ' + f"{escaped_parent}" + ) + else: + link = ( + f'↳ continues from ' + f"{escaped_parent}" + ) + return f"{link}{escaped_title}" return escaped_title diff --git a/claude_code_log/html/templates/components/session_nav.html b/claude_code_log/html/templates/components/session_nav.html index 274b3538..fe7858c1 100644 --- a/claude_code_log/html/templates/components/session_nav.html +++ b/claude_code_log/html/templates/components/session_nav.html @@ -12,30 +12,34 @@

Session Navigation

{% for session in sessions %} - 0 %}style='margin-left: {{ session.depth * 24 }}px'{% endif %}> -
- {% if session.parent_session_id %} - ↳ continues from {{ session.parent_session_id[:8] }} - {% endif %} - {% if session.summary %} - {{ session.summary }} • - {% endif %} - {{ session.id[:8] }} -
-
- {{ session.timestamp_range }} • {{ session.message_count }} messages - {% if session.token_summary %} -
{{ session.token_summary }} - {% endif %} -
- {% if session.first_user_message %} - 
-                {{- session.first_user_message|e -}}
-
+ {% if session.parent_session_id and mode == "toc" and session.parent_message_index is defined and session.parent_message_index is not none %} + ↳ continues from {{ session.parent_session_id[:8] }} + {% elif session.parent_session_id %} + ↳ continues from {{ session.parent_session_id[:8] }} {% endif %} - + +
+ {% if session.summary %} + {{ session.summary }} • + {% endif %} + {{ session.id[:8] }} +
+
+ {{ session.timestamp_range }} • {{ session.message_count }} messages + {% if session.token_summary %} +
{{ session.token_summary }} + {% endif %} +
+ {% if session.first_user_message %} + 
+                    {{- session.first_user_message|e -}}
+
+ {% endif %} + +
{% endfor %}
diff --git a/claude_code_log/html/templates/components/session_nav_styles.css b/claude_code_log/html/templates/components/session_nav_styles.css index 0318bd9f..3cb56402 100644 --- a/claude_code_log/html/templates/components/session_nav_styles.css +++ b/claude_code_log/html/templates/components/session_nav_styles.css @@ -49,8 +49,9 @@ } /* Child session hierarchy */ -.session-child { +.session-nav-item.session-child { border-left: 3px solid var(--accent-color, #6c757d); + padding-left: 8px; } .session-backlink { @@ -58,6 +59,12 @@ color: #6c757d; display: block; margin-bottom: 2px; + text-decoration: none; +} + +a.session-backlink:hover { + color: var(--text-secondary); + text-decoration: underline; } /* Project-specific session navigation */ diff --git a/claude_code_log/models.py b/claude_code_log/models.py index 5b6e7d33..27c2d6ed 100644 --- a/claude_code_log/models.py +++ b/claude_code_log/models.py @@ -664,6 +664,7 @@ class SessionHeaderMessage(MessageContent): summary: Optional[str] = None parent_session_id: Optional[str] = None parent_session_summary: Optional[str] = None + parent_message_index: Optional[int] = None # d-{N} index for backlink depth: int = 0 # 0 = root, 1 = child, etc. attachment_uuid: Optional[str] = None diff --git a/claude_code_log/renderer.py b/claude_code_log/renderer.py index 40df2667..15efa6a7 100644 --- a/claude_code_log/renderer.py +++ b/claude_code_log/renderer.py @@ -774,6 +774,10 @@ def prepare_session_navigation( # Get hierarchy data hier = (session_hierarchy or {}).get(session_id, {}) + parent_sid = hier.get("parent_session_id") + parent_message_index = ( + ctx.session_first_message.get(parent_sid) if parent_sid else None + ) session_nav.append( { @@ -788,7 +792,8 @@ def prepare_session_navigation( if session_info["first_user_message"] != "" else "[No user message found in session.]", "token_summary": token_summary, - "parent_session_id": hier.get("parent_session_id"), + "parent_session_id": parent_sid, + "parent_message_index": parent_message_index, "depth": hier.get("depth", 0), } ) @@ -1844,6 +1849,9 @@ def _render_messages( ) hier = (session_hierarchy or {}).get(session_id, {}) parent_sid = hier.get("parent_session_id") + parent_msg_idx = ( + ctx.session_first_message.get(parent_sid) if parent_sid else None + ) session_header_content = SessionHeaderMessage( session_header_meta, title=session_title, @@ -1853,6 +1861,7 @@ def _render_messages( parent_session_summary=(session_summaries or {}).get(parent_sid) if parent_sid else None, + parent_message_index=parent_msg_idx, depth=hier.get("depth", 0), attachment_uuid=hier.get("attachment_uuid"), ) diff --git a/dev-docs/dag.md b/dev-docs/dag.md index e7583d8f..2f43ec07 100644 --- a/dev-docs/dag.md +++ b/dev-docs/dag.md @@ -96,6 +96,32 @@ Where `s1`, `s2`, `s3` are synthesized session header messages. - **Backlinks** on session headers: "Continues from message X in Session Y" (shown on `s2` and `s3`) +#### Current: `d-{index}` anchors (combined transcript only) + +Backlinks use `#msg-d-{N}` anchors which are sequential indices assigned +during rendering. These are stable within a single render pass (the +combined transcript is always regenerated whole), but shift when any +session grows. + +This works for the combined transcript because all links and targets are +on the same page. Individual session pages have independent indices. + +#### Future: UUID-based anchors for cross-page linking + +Each session's DAG-line can grow independently. If session B grows and +its page is regenerated, `d-{index}` values shift — breaking any link +from session A's (cached) page into B. + +When cross-session-page links are needed (e.g. session page A links to +a junction point in session page B), add stable UUID-based anchors: + +```html +
+``` + +Use `msg-{uuid}` on junction points and attachment messages. Keep +`msg-d-{N}` for everything else (session nav, timeline, etc.). + ### Deduplication When session 2 resumes session 1, Claude Code may replay prefix messages diff --git a/test/__snapshots__/test_snapshot_html.ambr b/test/__snapshots__/test_snapshot_html.ambr index 64061244..87538885 100644 --- a/test/__snapshots__/test_snapshot_html.ambr +++ b/test/__snapshots__/test_snapshot_html.ambr @@ -298,8 +298,9 @@ } /* Child session hierarchy */ - .session-child { + .session-nav-item.session-child { border-left: 3px solid var(--accent-color, #6c757d); + padding-left: 8px; } .session-backlink { @@ -307,6 +308,12 @@ color: #6c757d; display: block; margin-bottom: 2px; + text-decoration: none; + } + + a.session-backlink:hover { + color: var(--text-secondary); + text-decoration: underline; } /* Project-specific session navigation */ @@ -1745,24 +1752,26 @@
- -
- - - Test session summary • + + +
+ + Test session summary • + + session- +
+
+ 2025-01-15 10:00:00 • 10 messages + +
- session- -
-
- 2025-01-15 10:00:00 • 10 messages + 
Hello, this is a test
-
- - 
Hello, this is a test
- - + +
@@ -3200,8 +3209,9 @@ } /* Child session hierarchy */ - .session-child { + .session-nav-item.session-child { border-left: 3px solid var(--accent-color, #6c757d); + padding-left: 8px; } .session-backlink { @@ -3209,6 +3219,12 @@ color: #6c757d; display: block; margin-bottom: 2px; + text-decoration: none; + } + + a.session-backlink:hover { + color: var(--text-secondary); + text-decoration: underline; } /* Project-specific session navigation */ @@ -8184,8 +8200,9 @@ } /* Child session hierarchy */ - .session-child { + .session-nav-item.session-child { border-left: 3px solid var(--accent-color, #6c757d); + padding-left: 8px; } .session-backlink { @@ -8193,6 +8210,12 @@ color: #6c757d; display: block; margin-bottom: 2px; + text-decoration: none; + } + + a.session-backlink:hover { + color: var(--text-secondary); + text-decoration: underline; } /* Project-specific session navigation */ @@ -13264,8 +13287,9 @@ } /* Child session hierarchy */ - .session-child { + .session-nav-item.session-child { border-left: 3px solid var(--accent-color, #6c757d); + padding-left: 8px; } .session-backlink { @@ -13273,6 +13297,12 @@ color: #6c757d; display: block; margin-bottom: 2px; + text-decoration: none; + } + + a.session-backlink:hover { + color: var(--text-secondary); + text-decoration: underline; } /* Project-specific session navigation */ @@ -15155,45 +15185,49 @@
- -
- - - session_ -
-
- 2025-07-03 15:50:07 - 2025-07-03 15:54:07 • 3 messages + + +
+ + session_ +
+
+ 2025-07-03 15:50:07 - 2025-07-03 15:54:07 • 3 messages + +
Token usage – Input: 20 | Output: 35 + +
-
Token usage – Input: 20 | Output: 35 + 
This is from a different session file to test multi-session handling.
-
- - 
This is from a different session file to test multi-session handling.
- - + +
- -
- - - User learned about Python decorators, including basic decorators and parameterized decorators. Created and ran examples showing how decorators work with functions. User is now ready to implement their own timing decorator. • - - test_ses -
-
- 2025-07-03 15:50:07 - 2025-07-03 16:10:07 • 11 messages + + +
+ + User learned about Python decorators, including basic decorators and parameterized decorators. Created and ran examples showing how decorators work with functions. User is now ready to implement their own timing decorator. • + + test_ses +
+
+ 2025-07-03 15:50:07 - 2025-07-03 16:10:07 • 11 messages + +
Token usage – Input: 218 | Output: 445 + +
-
Token usage – Input: 218 | Output: 445 + 
Hello Claude! Can you help me understand how Python decorators work?
-
- - 
Hello Claude! Can you help me understand how Python decorators work?
- - + +
@@ -18389,8 +18423,9 @@ } /* Child session hierarchy */ - .session-child { + .session-nav-item.session-child { border-left: 3px solid var(--accent-color, #6c757d); + padding-left: 8px; } .session-backlink { @@ -18398,6 +18433,12 @@ color: #6c757d; display: block; margin-bottom: 2px; + text-decoration: none; + } + + a.session-backlink:hover { + color: var(--text-secondary); + text-decoration: underline; } /* Project-specific session navigation */ From 5d3a502b24487c22b444e89623816d62f1283bcc Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Mon, 16 Feb 2026 19:00:37 +0100 Subject: [PATCH 06/23] Remove unused extract_working_directories (review clean-up) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Dead code — CacheManager.get_working_directories() replaced this with SQL-based extraction. No callers, no tests. Co-Authored-By: Claude Opus 4.6 --- claude_code_log/utils.py | 43 +--------------------------------------- 1 file changed, 1 insertion(+), 42 deletions(-) diff --git a/claude_code_log/utils.py b/claude_code_log/utils.py index 4a7241d0..70e54ef5 100644 --- a/claude_code_log/utils.py +++ b/claude_code_log/utils.py @@ -4,10 +4,7 @@ import re from datetime import datetime, timezone from pathlib import Path -from typing import TYPE_CHECKING, Any, Optional - -if TYPE_CHECKING: - from .cache import SessionCacheData +from typing import Any, Optional from .models import ContentItem, TextContent, TranscriptEntry, UserTranscriptEntry from .factories import ( @@ -188,44 +185,6 @@ def extract_text_content_length(content: list[ContentItem]) -> int: return total_length -def extract_working_directories( - entries: "list[TranscriptEntry] | list[SessionCacheData] | list[Any]", -) -> list[str]: - """Extract unique working directories from a list of entries. - - Ordered by timestamp (most recent first). - - Args: - entries: List of TranscriptEntry or SessionCacheData to extract working directories from - - Returns: - List of unique working directory paths found in the entries - """ - # Import here to avoid circular dependency at runtime - from .cache import SessionCacheData - - working_directories: dict[str, str] = {} - - for entry in entries: - cwd = getattr(entry, "cwd", None) - if not cwd: - continue - - # Get appropriate timestamp based on entry type - if isinstance(entry, SessionCacheData): - timestamp = entry.last_timestamp - elif hasattr(entry, "timestamp"): - timestamp = getattr(entry, "timestamp", "") - else: - timestamp = "" - - working_directories[cwd] = timestamp - - # Sort by timestamp (most recent first) and return just the paths - sorted_dirs = sorted(working_directories.items(), key=lambda x: x[1], reverse=True) - return [path for path, _ in sorted_dirs] - - # IDE tag patterns imported from factories for compact preview rendering From deed202a22961d794256a8d92bf19f1032669112 Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Mon, 16 Feb 2026 19:03:10 +0100 Subject: [PATCH 07/23] Remove unused has_cache_changes (review clean-up) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Dead code — ensure_fresh_cache does its own inline staleness check. Never called, never tested. Also removed stale docstring reference. Co-Authored-By: Claude Opus 4.6 --- claude_code_log/converter.py | 34 ---------------------------------- 1 file changed, 34 deletions(-) diff --git a/claude_code_log/converter.py b/claude_code_log/converter.py index 42728892..a604804e 100644 --- a/claude_code_log/converter.py +++ b/claude_code_log/converter.py @@ -1132,39 +1132,6 @@ def convert_jsonl_to( return output_path -def has_cache_changes( - project_dir: Path, - cache_manager: Optional[CacheManager], - from_date: Optional[str] = None, - to_date: Optional[str] = None, -) -> bool: - """Check if cache needs updating (fast mtime comparison only). - - Returns True if there are modified files or cache is stale. - Does NOT load any messages - that's deferred to ensure_fresh_cache. - """ - if cache_manager is None: - return True # No cache means we need to process - - jsonl_files = list(project_dir.glob("*.jsonl")) - if not jsonl_files: - return False - - # Get cached project data - cached_project_data = cache_manager.get_cached_project_data() - - # Check various invalidation conditions - modified_files = cache_manager.get_modified_files(jsonl_files) - - return ( - cached_project_data is None - or from_date is not None - or to_date is not None - or bool(modified_files) - or (cached_project_data.total_message_count == 0 and bool(jsonl_files)) - ) - - def ensure_fresh_cache( project_dir: Path, cache_manager: Optional[CacheManager], @@ -1175,7 +1142,6 @@ def ensure_fresh_cache( """Ensure cache is fresh and populated. Returns True if cache was updated. This does the heavy lifting of loading and parsing files. - Call has_cache_changes() first for a fast check. """ if cache_manager is None: return False From ec1d2c13ba821f58497d8fdbb2a38dd9da03b365 Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Tue, 17 Feb 2026 02:14:18 +0100 Subject: [PATCH 08/23] Fix progress entries breaking DAG chain by repairing parent pointers MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Progress entries (type: "progress") carry UUID/parentUuid fields but are skipped during parsing, creating gaps that make child entries appear as orphans. Pre-scan JSONL files to collect progress uuid→parentUuid mappings, then rewrite real entries' parentUuid to skip over progress gaps before any DAG build. Co-Authored-By: Claude Opus 4.6 --- claude_code_log/converter.py | 69 ++++++ test/test_dag_integration.py | 226 +++++++++++++++++- ...03eb5929-52b3-4b13-ada3-b93ae35806b8.jsonl | 61 +++++ ...a95fea4a-b88a-4e49-ac07-4cc323d8700c.jsonl | 4 + 4 files changed, 359 insertions(+), 1 deletion(-) create mode 100644 test/test_data/real_projects/-experiments-ideas/03eb5929-52b3-4b13-ada3-b93ae35806b8.jsonl create mode 100644 test/test_data/real_projects/-experiments-ideas/a95fea4a-b88a-4e49-ac07-4cc323d8700c.jsonl diff --git a/claude_code_log/converter.py b/claude_code_log/converter.py index a604804e..b7b99c0e 100644 --- a/claude_code_log/converter.py +++ b/claude_code_log/converter.py @@ -49,6 +49,68 @@ def get_file_extension(format: str) -> str: return "md" if format in ("md", "markdown") else format +# ============================================================================= +# Progress Chain Repair +# ============================================================================= + + +def _scan_file_progress(path: Path, chain: dict[str, Optional[str]]) -> None: + """Extract progress entry uuid->parentUuid from a single JSONL file.""" + try: + with open(path, "r", encoding="utf-8", errors="replace") as f: + for line in f: + if "progress" not in line: # Fast pre-filter + continue + line = line.strip() + if not line: + continue + try: + d = json.loads(line) + if isinstance(d, dict) and d.get("type") == "progress": + uuid = d.get("uuid") + if uuid: + chain[uuid] = d.get("parentUuid") + except json.JSONDecodeError: + continue + except FileNotFoundError: + pass # Race condition: file may have been deleted + + +def _scan_progress_chains(*paths: Path) -> dict[str, Optional[str]]: + """Fast scan of JSONL files for progress entry uuid->parentUuid mappings.""" + chain: dict[str, Optional[str]] = {} + for path in paths: + if path.is_file(): + _scan_file_progress(path, chain) + elif path.is_dir(): + for f in path.glob("*.jsonl"): + _scan_file_progress(f, chain) + # Also scan subagent directories + for f in path.glob("*/subagents/*.jsonl"): + _scan_file_progress(f, chain) + return chain + + +def _repair_parent_chains( + messages: list[TranscriptEntry], + progress_chain: dict[str, Optional[str]], +) -> None: + """Repair parentUuid fields that point to progress entries. + + Walks the progress chain to find the nearest non-progress ancestor. + Mutates entries in place (Pydantic v2 models are mutable by default). + """ + if not progress_chain: + return + for msg in messages: + parent = getattr(msg, "parentUuid", None) + if parent and parent in progress_chain: + current: Optional[str] = parent + while current is not None and current in progress_chain: + current = progress_chain[current] + msg.parentUuid = current # type: ignore[union-attr] + + # ============================================================================= # Transcript Loading Functions # ============================================================================= @@ -333,6 +395,10 @@ def load_directory_transcripts( ) all_messages.extend(messages) + # Repair parent chains: progress entries create UUID gaps + progress_chain = _scan_progress_chains(directory_path) + _repair_parent_chains(all_messages, progress_chain) + # Partition: sidechain entries excluded from DAG (Phase C scope) sidechain_entries = [e for e in all_messages if getattr(e, "isSidechain", False)] main_entries = [e for e in all_messages if not getattr(e, "isSidechain", False)] @@ -963,6 +1029,9 @@ def convert_jsonl_to( if output_path is None: output_path = input_path.with_suffix(f".{ext}") messages = load_transcript(input_path, silent=silent) + # Repair progress chain gaps for single-file mode + progress_chain = _scan_progress_chains(input_path) + _repair_parent_chains(messages, progress_chain) title = f"Claude Transcript - {input_path.stem}" cache_was_updated = False # No cache in single file mode else: diff --git a/test/test_dag_integration.py b/test/test_dag_integration.py index 59ea91ed..5651c7a6 100644 --- a/test/test_dag_integration.py +++ b/test/test_dag_integration.py @@ -5,11 +5,16 @@ """ import json +import logging from pathlib import Path from typing import Any -from claude_code_log.converter import load_directory_transcripts +from claude_code_log.converter import ( + load_directory_transcripts, + _scan_progress_chains, + _repair_parent_chains, +) from claude_code_log.models import ( SummaryTranscriptEntry, QueueOperationTranscriptEntry, @@ -389,3 +394,222 @@ def test_end_to_end_degenerate_data_matches_timestamp_sort( # Also verify template generation works root_messages, session_nav, context = generate_template_messages(messages) assert len(root_messages) > 0 + + +# ============================================================================= +# Test: Progress chain repair +# ============================================================================= + +# Path to real project test data with progress entries +EXPERIMENTS_IDEAS_DIR = ( + Path(__file__).parent / "test_data" / "real_projects" / "-experiments-ideas" +) + + +def _make_progress_entry(uuid: str, parent_uuid: str | None = None) -> dict[str, Any]: + """Helper to create a progress transcript entry dict.""" + return { + "type": "progress", + "timestamp": "2025-07-01T10:00:00.000Z", + "uuid": uuid, + "parentUuid": parent_uuid, + "sessionId": "s1", + "content": {"type": "hook_progress"}, + } + + +class TestScanProgressChains: + """Unit tests for _scan_progress_chains helper.""" + + def test_scan_empty_directory(self, tmp_path: Path) -> None: + """Empty directory produces empty chain.""" + chain = _scan_progress_chains(tmp_path) + assert chain == {} + + def test_scan_file_with_no_progress(self, tmp_path: Path) -> None: + """File with no progress entries produces empty chain.""" + entries = [ + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", None), + ] + _write_jsonl(tmp_path / "session.jsonl", entries) + chain = _scan_progress_chains(tmp_path) + assert chain == {} + + def test_scan_file_with_progress(self, tmp_path: Path) -> None: + """File with progress entries produces correct chain.""" + entries = [ + _make_progress_entry("p1", None), + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", "p1"), + _make_progress_entry("p2", "a"), + ] + _write_jsonl(tmp_path / "session.jsonl", entries) + chain = _scan_progress_chains(tmp_path) + assert chain == {"p1": None, "p2": "a"} + + def test_scan_single_file_path(self, tmp_path: Path) -> None: + """Can scan a single file (not just a directory).""" + entries = [_make_progress_entry("p1", "parent1")] + path = tmp_path / "session.jsonl" + _write_jsonl(path, entries) + chain = _scan_progress_chains(path) + assert chain == {"p1": "parent1"} + + def test_scan_real_data(self) -> None: + """Scan real test data with 11 progress entries.""" + chain = _scan_progress_chains(EXPERIMENTS_IDEAS_DIR) + assert len(chain) == 11 + + +class TestRepairParentChains: + """Unit tests for _repair_parent_chains helper.""" + + def test_no_progress_noop(self, tmp_path: Path) -> None: + """No progress entries means no repairs needed.""" + entries = [ + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", None), + _make_assistant_entry("b", "s1", "2025-07-01T10:01:00.000Z", "a"), + ] + _write_jsonl(tmp_path / "session.jsonl", entries) + from claude_code_log.converter import load_transcript + + messages = load_transcript(tmp_path / "session.jsonl", silent=True) + _repair_parent_chains(messages, {}) + assert messages[0].parentUuid is None + assert messages[1].parentUuid == "a" + + def test_single_progress_gap(self, tmp_path: Path) -> None: + """Single progress gap is bridged.""" + entries = [ + _make_progress_entry("p1", None), + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", "p1"), + ] + _write_jsonl(tmp_path / "session.jsonl", entries) + from claude_code_log.converter import load_transcript + + messages = load_transcript(tmp_path / "session.jsonl", silent=True) + progress_chain = {"p1": None} + _repair_parent_chains(messages, progress_chain) + # user(a).parentUuid was "p1" (progress), repaired to None + assert messages[0].parentUuid is None + + def test_chained_progress_gap(self, tmp_path: Path) -> None: + """Chain of consecutive progress entries is fully bridged.""" + # real_parent → progress(p1) → progress(p2) → user(a) + entries = [ + _make_user_entry("real_parent", "s1", "2025-07-01T10:00:00.000Z", None), + _make_progress_entry("p1", "real_parent"), + _make_progress_entry("p2", "p1"), + _make_user_entry("a", "s1", "2025-07-01T10:01:00.000Z", "p2"), + ] + _write_jsonl(tmp_path / "session.jsonl", entries) + from claude_code_log.converter import load_transcript + + messages = load_transcript(tmp_path / "session.jsonl", silent=True) + progress_chain = {"p1": "real_parent", "p2": "p1"} + _repair_parent_chains(messages, progress_chain) + # user(a).parentUuid was "p2", should walk through p2→p1→real_parent + user_a = [m for m in messages if getattr(m, "uuid", None) == "a"][0] + assert user_a.parentUuid == "real_parent" + + +class TestProgressChainRepairIntegration: + """Integration tests for progress chain repair in load_directory_transcripts.""" + + def test_progress_chain_repair_directory(self, caplog: Any) -> None: + """Progress entries are bridged: no orphan warnings from DAG build.""" + with caplog.at_level(logging.WARNING): + result = load_directory_transcripts(EXPERIMENTS_IDEAS_DIR, silent=True) + + # Should have loaded entries (41 non-progress, non-file-history entries) + assert len(result) > 0 + + # No orphan warnings should appear in logs + orphan_warnings = [ + r.message for r in caplog.records if "Orphan node" in r.message + ] + assert orphan_warnings == [], ( + f"Expected no orphan warnings, got: {orphan_warnings}" + ) + + def test_progress_chain_repair_single_file(self) -> None: + """Single-file mode also repairs progress chains.""" + from claude_code_log.converter import ( + load_transcript, + _scan_progress_chains, + _repair_parent_chains, + ) + + single_file = ( + EXPERIMENTS_IDEAS_DIR / "03eb5929-52b3-4b13-ada3-b93ae35806b8.jsonl" + ) + messages = load_transcript(single_file, silent=True) + + # Before repair: some entries have parentUuid pointing to progress UUIDs + progress_chain = _scan_progress_chains(single_file) + assert len(progress_chain) == 11 + + # Count entries with progress parents before repair + orphan_before = sum( + 1 for m in messages if getattr(m, "parentUuid", None) in progress_chain + ) + assert orphan_before == 8 + + # Repair + _repair_parent_chains(messages, progress_chain) + + # After repair: no entries should point to progress UUIDs + orphan_after = sum( + 1 for m in messages if getattr(m, "parentUuid", None) in progress_chain + ) + assert orphan_after == 0 + + def test_progress_chain_preserves_entry_count(self) -> None: + """Repair doesn't add or remove entries, only mutates parentUuid.""" + from claude_code_log.converter import load_transcript + + single_file = ( + EXPERIMENTS_IDEAS_DIR / "03eb5929-52b3-4b13-ada3-b93ae35806b8.jsonl" + ) + messages = load_transcript(single_file, silent=True) + count_before = len(messages) + + progress_chain = _scan_progress_chains(single_file) + _repair_parent_chains(messages, progress_chain) + + assert len(messages) == count_before + + def test_dag_chain_fully_connected(self) -> None: + """After repair, DAG build produces a single connected chain.""" + from claude_code_log.dag import build_dag_from_entries + + result = load_directory_transcripts(EXPERIMENTS_IDEAS_DIR, silent=True) + + # Filter to DAG-eligible entries (those with uuid) + dag_entries = [e for e in result if hasattr(e, "uuid")] + + # Build DAG to verify connectivity + tree = build_dag_from_entries(dag_entries) + + # Should have sessions in the tree + assert len(tree.sessions) >= 1 + + # All DAG-eligible entries should be accounted for in the tree nodes + assert len(tree.nodes) > 0 + + def test_synthetic_progress_in_directory_mode(self, tmp_path: Path) -> None: + """Synthetic test: progress entries in directory mode are bridged.""" + entries: list[dict[str, Any]] = [ + _make_progress_entry("p1", None), + _make_user_entry("a", "s1", "2025-07-01T10:00:00.000Z", "p1", "Start"), + _make_assistant_entry("b", "s1", "2025-07-01T10:01:00.000Z", "a"), + _make_progress_entry("p2", "b"), + _make_user_entry("c", "s1", "2025-07-01T10:02:00.000Z", "p2", "Continue"), + _make_assistant_entry("d", "s1", "2025-07-01T10:03:00.000Z", "c"), + ] + _write_jsonl(tmp_path / "session.jsonl", entries) + + result = load_directory_transcripts(tmp_path, silent=True) + uuids = [getattr(e, "uuid", None) for e in result] + + # All 4 real entries should be in DAG order + assert uuids == ["a", "b", "c", "d"] diff --git a/test/test_data/real_projects/-experiments-ideas/03eb5929-52b3-4b13-ada3-b93ae35806b8.jsonl b/test/test_data/real_projects/-experiments-ideas/03eb5929-52b3-4b13-ada3-b93ae35806b8.jsonl new file mode 100644 index 00000000..4a70c8b1 --- /dev/null +++ b/test/test_data/real_projects/-experiments-ideas/03eb5929-52b3-4b13-ada3-b93ae35806b8.jsonl @@ -0,0 +1,61 @@ +{"type":"file-history-snapshot","messageId":"13f97369-4175-446a-bac8-0b7e2981d649","snapshot":{"messageId":"13f97369-4175-446a-bac8-0b7e2981d649","trackedFileBackups":{},"timestamp":"2026-02-16T18:47:50.736Z"},"isSnapshotUpdate":false} +{"parentUuid":null,"isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","type":"progress","data":{"type":"hook_progress","hookEvent":"SessionStart","hookName":"SessionStart:startup","command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor started"},"parentToolUseID":"47c43ea7-0408-4ce4-8ebf-7ee2693ad459","toolUseID":"47c43ea7-0408-4ce4-8ebf-7ee2693ad459","timestamp":"2026-02-16T18:46:55.028Z","uuid":"a2c5ddf6-b5bf-4ed9-96d5-6302976cd948"} +{"parentUuid":"a2c5ddf6-b5bf-4ed9-96d5-6302976cd948","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","type":"user","message":{"role":"user","content":"Ok, so there's isn't much to see here, mostly one idea about how to organize the work Markdown documents generated during a Claude Code session."},"uuid":"13f97369-4175-446a-bac8-0b7e2981d649","timestamp":"2026-02-16T18:47:50.590Z","thinkingMetadata":{"maxThinkingTokens":31999},"todos":[],"permissionMode":"default"} +{"parentUuid":"13f97369-4175-446a-bac8-0b7e2981d649","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","message":{"model":"claude-opus-4-6","id":"msg_01UHi2Lt3JY6hKT2YohPo25U","type":"message","role":"assistant","content":[{"type":"text","text":"\n\n"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":5376,"cache_read_input_tokens":21440,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":5376},"output_tokens":12,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCFGaJeJwUa1Y2S4C9WU","type":"assistant","uuid":"b5c90882-1e0a-493a-859c-2af606f624a1","timestamp":"2026-02-16T18:47:53.122Z"} +{"parentUuid":"b5c90882-1e0a-493a-859c-2af606f624a1","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","message":{"model":"claude-opus-4-6","id":"msg_01UHi2Lt3JY6hKT2YohPo25U","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The user is talking about the current directory (`experiments/ideas`) and mentioning there's one idea about organizing work Markdown documents generated during a Claude Code session. Let me look at what's in this directory to understand what they're referring 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+{"parentUuid":"678beeff-0788-4a6e-a711-3802bffba8eb","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_017zBSoLmTCZWWh3ARsjYcpf","type":"message","role":"assistant","content":[{"type":"text","text":"Got it. One idea file — a convention for separating technical reference docs (`dev-docs/`) from work-tracking documents (`work/`) generated during Claude Code sessions. I notice you also have this captured as a guideline already at `~/.claude/guidelines/work-and-dev-docs.md`.\n\nIs there something you'd like to do with this — flesh it out further, try applying it to a project, or something else?"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":224,"cache_read_input_tokens":27114,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":224},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCFHAJJEK19ECuCBzwY8","type":"assistant","uuid":"3220c04b-b0dc-48b5-845b-3c1c10f6a684","timestamp":"2026-02-16T18:48:03.229Z"} +{"parentUuid":"3220c04b-b0dc-48b5-845b-3c1c10f6a684","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"progress","data":{"type":"hook_progress","hookEvent":"Stop","hookName":"Stop","command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"},"parentToolUseID":"12cfda0b-113a-446d-86d8-a90bf2a03c43","toolUseID":"12cfda0b-113a-446d-86d8-a90bf2a03c43","timestamp":"2026-02-16T18:48:03.266Z","uuid":"2ceae58c-1a09-4e84-bafa-d08ab9c31a98"} +{"parentUuid":"2ceae58c-1a09-4e84-bafa-d08ab9c31a98","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"system","subtype":"stop_hook_summary","hookCount":1,"hookInfos":[{"command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"}],"hookErrors":[],"preventedContinuation":false,"stopReason":"","hasOutput":true,"level":"suggestion","timestamp":"2026-02-16T18:48:03.384Z","uuid":"eb84e3ee-fc54-4fe4-ad76-badc5ebb4671","toolUseID":"12cfda0b-113a-446d-86d8-a90bf2a03c43"} +{"type":"file-history-snapshot","messageId":"5270777a-1975-4e8a-9cad-b36280ae0ec5","snapshot":{"messageId":"5270777a-1975-4e8a-9cad-b36280ae0ec5","trackedFileBackups":{},"timestamp":"2026-02-16T18:49:30.598Z"},"isSnapshotUpdate":false} +{"parentUuid":"eb84e3ee-fc54-4fe4-ad76-badc5ebb4671","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"user","message":{"role":"user","content":"I very much like this idea, and I used it already with some success in the clmail project. Can you list, in 5 bullet points, what are the strengths of this proposal?"},"uuid":"5270777a-1975-4e8a-9cad-b36280ae0ec5","timestamp":"2026-02-16T18:49:30.468Z","thinkingMetadata":{"maxThinkingTokens":31999},"todos":[],"permissionMode":"default"} +{"parentUuid":"5270777a-1975-4e8a-9cad-b36280ae0ec5","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01Ed6t7MQDew7A8RnvCXfoQx","type":"message","role":"assistant","content":[{"type":"text","text":"\n\n"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":92,"cache_read_input_tokens":27433,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":92},"output_tokens":14,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCFPwhhfPQiWyfNxFoMd","type":"assistant","uuid":"d94c9c9b-9e26-4cfe-a21d-d993784adc8b","timestamp":"2026-02-16T18:49:33.473Z"} +{"parentUuid":"d94c9c9b-9e26-4cfe-a21d-d993784adc8b","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01Ed6t7MQDew7A8RnvCXfoQx","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The user wants me to articulate the strengths of the dev-docs/ vs work/ directory convention. Let me think about this based on the content and my understanding of how Claude Code sessions generate markdown documents.","signature":"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"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":92,"cache_read_input_tokens":27433,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":92},"output_tokens":14,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCFPwhhfPQiWyfNxFoMd","type":"assistant","uuid":"ff14c7f7-a74e-4e29-a713-735009d15c04","timestamp":"2026-02-16T18:49:34.397Z"} +{"parentUuid":"ff14c7f7-a74e-4e29-a713-735009d15c04","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01Ed6t7MQDew7A8RnvCXfoQx","type":"message","role":"assistant","content":[{"type":"text","text":"- **Clear separation of concerns** — Technical reference (how things work) never gets mixed up with operational artifacts (what needs doing), making both easier to find and maintain.\n\n- **Natural lifecycle management** — The `work/` subdirectories (`archive/`, `backlog/`, top-level active) map directly to a task's lifecycle, so moving a file between folders is a lightweight status update that's visible in the file tree.\n\n- **Reduced context pollution** — When Claude Code loads project context, it can target `dev-docs/` for understanding architecture or `work/` for picking up tasks, rather than sifting through a flat pile of mixed-purpose markdown.\n\n- **Scales without clutter** — Projects accumulate many work documents over time; the convention keeps the root clean and avoids the common pattern of a single `docs/` folder that becomes an unsorted dumping ground.\n\n- **Low adoption cost** — It's just directories and a naming convention, no tooling required. Any project can adopt it incrementally, and it's intuitive enough that both humans and AI agents understand the intent immediately."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":92,"cache_read_input_tokens":27433,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":92},"output_tokens":14,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCFPwhhfPQiWyfNxFoMd","type":"assistant","uuid":"7bb81bd8-ec67-4ed5-b9c1-19f2d2117f1d","timestamp":"2026-02-16T18:49:42.439Z"} +{"parentUuid":"7bb81bd8-ec67-4ed5-b9c1-19f2d2117f1d","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"progress","data":{"type":"hook_progress","hookEvent":"Stop","hookName":"Stop","command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"},"parentToolUseID":"c9fab21a-2604-4f78-9e5e-a0127b99e65c","toolUseID":"c9fab21a-2604-4f78-9e5e-a0127b99e65c","timestamp":"2026-02-16T18:49:42.494Z","uuid":"d4335cb6-30a0-413d-b389-760f4892fa57"} +{"parentUuid":"d4335cb6-30a0-413d-b389-760f4892fa57","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"system","subtype":"stop_hook_summary","hookCount":1,"hookInfos":[{"command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"}],"hookErrors":[],"preventedContinuation":false,"stopReason":"","hasOutput":true,"level":"suggestion","timestamp":"2026-02-16T18:49:42.608Z","uuid":"2679083d-ddd4-4452-995e-7a19aa2317d8","toolUseID":"c9fab21a-2604-4f78-9e5e-a0127b99e65c"} +{"type":"file-history-snapshot","messageId":"12f81cce-ffa9-40d4-929e-0c2c6ad7c6c9","snapshot":{"messageId":"12f81cce-ffa9-40d4-929e-0c2c6ad7c6c9","trackedFileBackups":{},"timestamp":"2026-02-16T18:51:05.354Z"},"isSnapshotUpdate":false} +{"parentUuid":"2679083d-ddd4-4452-995e-7a19aa2317d8","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"user","message":{"role":"user","content":"OK, so, to be fair, maybe also list 5 weak points, risks, or caveats."},"uuid":"12f81cce-ffa9-40d4-929e-0c2c6ad7c6c9","timestamp":"2026-02-16T18:51:05.217Z","thinkingMetadata":{"maxThinkingTokens":31999},"todos":[],"permissionMode":"default"} +{"parentUuid":"12f81cce-ffa9-40d4-929e-0c2c6ad7c6c9","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01CAgUXyPMrcZLbyeRW4W25K","type":"message","role":"assistant","content":[{"type":"text","text":"\n\n"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":75,"cache_read_input_tokens":27828,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":75},"output_tokens":12,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCFWvSFXTYH5aDVj9nxw","type":"assistant","uuid":"c4b71b36-5d0c-44c0-be6f-6d70ae2a961d","timestamp":"2026-02-16T18:51:08.316Z"} +{"parentUuid":"c4b71b36-5d0c-44c0-be6f-6d70ae2a961d","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01CAgUXyPMrcZLbyeRW4W25K","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The user wants a balanced view - let me think critically about the weaknesses, risks, and caveats of this convention.","signature":"Ep4CCkYICxgCKkAw1rYNUsyvBcNWUTXb8kn+rjqQPaRtitvrRxP2zQxl8v6P/3gzu9DpRyO0w0TdmAyn84jhUNkakgx58k3GWPJvEgwXCftxzWYCbp5j5ZUaDCakTff8HkK2O+O/RSIw42dw9ktrqWUUkhI3/IIZQjM6vjJS5PRh6iREPmBmcKbtAc/hSMBUL3zk3yHA2PHzKoUBc0POGxMc4yqK3kAn/C+5CPBm6dgDCKQlUM/a1oe8Xmv5dL2bxIFdgEAZhyi+eYNnaMzlIOmRwJ1JJjQq8SeQ5XHm6m6rxuecp/38FDqfTjtTIL7epMJRaNTaq2pafR3zX5L5NyDCIr+VU7MVhatFNZJQH698x8oy1e36rfHM2xuT0mISRBgB"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":75,"cache_read_input_tokens":27828,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":75},"output_tokens":12,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCFWvSFXTYH5aDVj9nxw","type":"assistant","uuid":"bce6d847-8f80-406e-953a-413a065ea941","timestamp":"2026-02-16T18:51:08.810Z"} +{"parentUuid":"bce6d847-8f80-406e-953a-413a065ea941","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01CAgUXyPMrcZLbyeRW4W25K","type":"message","role":"assistant","content":[{"type":"text","text":"- **Boundary is often blurry** — Some documents are both reference and work artifact (e.g. an ADR, a design doc that becomes permanent architecture documentation). Deciding where they live requires judgment calls that the convention doesn't resolve.\n\n- **Drift without discipline** — Nothing enforces the convention. Active work items can linger at `work/` top-level long after they're done, `backlog/` can become a graveyard nobody reviews, and `archive/` can accumulate indefinitely without cleanup.\n\n- **Assumes a single workflow** — The `backlog/future/archive` structure bakes in one way of tracking work. Teams already using issue trackers, project boards, or other systems may find it redundant or conflicting — two sources of truth for task status.\n\n- **AI agent discoverability isn't free** — Claude Code won't automatically know that `dev-docs/` is for context and `work/` is for tasks unless told via CLAUDE.md or similar instructions. The convention only reduces context pollution if it's explicitly wired into the agent's workflow.\n\n- **Overhead for small projects** — For a project with three markdown files total, splitting them across a directory hierarchy adds structure without proportional benefit. The convention pays off at scale but can feel like premature organization early on."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":75,"cache_read_input_tokens":27828,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":75},"output_tokens":12,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCFWvSFXTYH5aDVj9nxw","type":"assistant","uuid":"f4dbd8f0-5b95-47ce-bfd7-44d7fa838e60","timestamp":"2026-02-16T18:51:17.406Z"} +{"parentUuid":"f4dbd8f0-5b95-47ce-bfd7-44d7fa838e60","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"progress","data":{"type":"hook_progress","hookEvent":"Stop","hookName":"Stop","command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"},"parentToolUseID":"d65a641c-8317-453e-80ce-9eac26faa597","toolUseID":"d65a641c-8317-453e-80ce-9eac26faa597","timestamp":"2026-02-16T18:51:17.542Z","uuid":"db0d804c-4f4b-43e7-b6d9-d9bf151cef34"} +{"parentUuid":"db0d804c-4f4b-43e7-b6d9-d9bf151cef34","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"system","subtype":"stop_hook_summary","hookCount":1,"hookInfos":[{"command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"}],"hookErrors":[],"preventedContinuation":false,"stopReason":"","hasOutput":true,"level":"suggestion","timestamp":"2026-02-16T18:51:17.655Z","uuid":"75f4bb33-40d3-435e-85f3-4856c673d8c0","toolUseID":"d65a641c-8317-453e-80ce-9eac26faa597"} +{"type":"file-history-snapshot","messageId":"a17b2091-fd44-4c3e-aaeb-69196456ab73","snapshot":{"messageId":"a17b2091-fd44-4c3e-aaeb-69196456ab73","trackedFileBackups":{},"timestamp":"2026-02-16T18:53:15.963Z"},"isSnapshotUpdate":false} +{"parentUuid":"75f4bb33-40d3-435e-85f3-4856c673d8c0","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"user","message":{"role":"user","content":"Fair enough. Can you write a balanced opinion on this approach? Keep it same overall length as the pros or cons."},"uuid":"a17b2091-fd44-4c3e-aaeb-69196456ab73","timestamp":"2026-02-16T18:53:15.830Z","thinkingMetadata":{"maxThinkingTokens":31999},"todos":[],"permissionMode":"default"} +{"parentUuid":"a17b2091-fd44-4c3e-aaeb-69196456ab73","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01CQrPP8F6qBuymMP8Xxhnrm","type":"message","role":"assistant","content":[{"type":"text","text":"\n\nThe convention's real value is that it introduces **intentionality** about where generated documents end up. Without it, Claude Code sessions naturally produce a mix of plans, analyses, and reference docs that all land in the same place — and entropy wins fast. Having two top-level buckets forces a minimal but meaningful classification at creation time.\n\nThat said, it's best understood as a **starting point, not a system**. It works well when one person (or one agent) is both the author and consumer of these documents. The moment you need shared task tracking or formal documentation, purpose-built tools will outgrow the convention — and that's fine. The directory structure should be a lightweight scaffold you're willing to reshape, not a process to defend.\n\nThe strongest argument for it may be pragmatic: **it's better than nothing, and it costs almost nothing to try.** If it stops being useful, you just move files around."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":75,"cache_read_input_tokens":28236,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":75},"output_tokens":2,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCFgYj4bmq8CMrHKHDHZ","type":"assistant","uuid":"95b483e6-74a7-4c50-b3c8-705944edf7ae","timestamp":"2026-02-16T18:53:24.117Z"} +{"parentUuid":"95b483e6-74a7-4c50-b3c8-705944edf7ae","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"progress","data":{"type":"hook_progress","hookEvent":"Stop","hookName":"Stop","command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"},"parentToolUseID":"154eda8c-0e51-4d0b-b3b5-f4f46c86df5c","toolUseID":"154eda8c-0e51-4d0b-b3b5-f4f46c86df5c","timestamp":"2026-02-16T18:53:24.178Z","uuid":"31128ff1-2e5c-4254-8aae-c1b499d5d6b7"} +{"parentUuid":"31128ff1-2e5c-4254-8aae-c1b499d5d6b7","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"system","subtype":"stop_hook_summary","hookCount":1,"hookInfos":[{"command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"}],"hookErrors":[],"preventedContinuation":false,"stopReason":"","hasOutput":true,"level":"suggestion","timestamp":"2026-02-16T18:53:24.295Z","uuid":"2f4668dd-c177-455f-81c1-caa947d43e73","toolUseID":"154eda8c-0e51-4d0b-b3b5-f4f46c86df5c"} +{"type":"file-history-snapshot","messageId":"c5464fba-3497-4db8-926a-870e58d47f53","snapshot":{"messageId":"c5464fba-3497-4db8-926a-870e58d47f53","trackedFileBackups":{},"timestamp":"2026-02-16T18:55:26.977Z"},"isSnapshotUpdate":false} +{"type":"file-history-snapshot","messageId":"9edc38e6-0ac0-42c0-b911-e24611af2a5b","snapshot":{"messageId":"9edc38e6-0ac0-42c0-b911-e24611af2a5b","trackedFileBackups":{},"timestamp":"2026-02-16T19:24:30.882Z"},"isSnapshotUpdate":false} +{"parentUuid":"eb84e3ee-fc54-4fe4-ad76-badc5ebb4671","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"user","message":{"role":"user","content":"I actually don't like much this idea, and I somewhat struggled with it in the clmail project. Can you list, in 5 bullet points, what are the weak points, risks, or caveats of this proposal?"},"uuid":"9edc38e6-0ac0-42c0-b911-e24611af2a5b","timestamp":"2026-02-16T19:24:30.747Z","thinkingMetadata":{"maxThinkingTokens":31999},"todos":[],"permissionMode":"default"} +{"parentUuid":"9edc38e6-0ac0-42c0-b911-e24611af2a5b","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01F9RwXxPTymSnjvME4X7w8K","type":"message","role":"assistant","content":[{"type":"text","text":"\n\n"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":2750,"cache_read_input_tokens":24675,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":2750},"output_tokens":9,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCJ4kzMHiqbRgiFGuZQh","type":"assistant","uuid":"251d3443-8595-4aa6-af60-fce5b87206d7","timestamp":"2026-02-16T19:24:33.074Z"} +{"parentUuid":"251d3443-8595-4aa6-af60-fce5b87206d7","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01F9RwXxPTymSnjvME4X7w8K","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The user wants me to critique the `dev-docs/` vs `work/` convention. Let me think about the genuine weaknesses of this approach.","signature":"EqkCCkYICxgCKkDVERi7ZM2ho+dkojPTq7lFrSsHEtlxUZ5VxpvKyxbkiDy+qPD76AGPC9ehwMK5frPOjxFWRn7x0jljTdLbSM/tEgzegfL9wOZjkg6NRnwaDMPBg8xmLuXd7XYTDiIwFCH3A2cr9digHxdB8JpvNQgQKgKCremsI5jbLkks67ls4NQ4OoWXETAobz1IfuA1KpABQXEzlukJEcDklTJIc18G9gUm5aUDGFmAuVQH8ewNiJGoqmlLEurCw6C2cNoBDndXQm+o+8Po5epiziywnGuRRO0IyZfmUcOt/beFqjCOhNTKVqiub1ERw8Kl+YR/XhibkbE6UVrMFUrBSzgRbkwzjcksPBbxgznOaFqxYp3rKr84qAA2SPTN6w/eTx4N78khGAE="}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":2750,"cache_read_input_tokens":24675,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":2750},"output_tokens":9,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCJ4kzMHiqbRgiFGuZQh","type":"assistant","uuid":"e240c16e-c51b-4923-a649-7d3f14ab10ca","timestamp":"2026-02-16T19:24:33.901Z"} +{"parentUuid":"e240c16e-c51b-4923-a649-7d3f14ab10ca","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01F9RwXxPTymSnjvME4X7w8K","type":"message","role":"assistant","content":[{"type":"text","text":"Here are 5 weak points of the `dev-docs/` vs `work/` convention:\n\n- **Blurry boundary between \"reference\" and \"work\"**: A design doc starts as a proposal (`work/future/`), becomes active work (`work/`), then after implementation it's really technical reference (`dev-docs/`). The same document migrates across categories over its lifetime, creating churn and broken links.\n\n- **Overhead of constant triage**: Deciding where a document belongs — and when to move it — adds friction. In practice, files end up in the wrong folder or never get moved, making the structure misleading rather than helpful.\n\n- **Fragmented context**: Understanding a feature often requires both its technical reference *and* its work history (decisions made, alternatives rejected). Splitting them across two trees forces you to cross-reference constantly instead of having everything about a topic in one place.\n\n- **Doesn't match how Claude Code sessions actually produce docs**: A session generates a mix of notes, plans, and technical writeups organically. Forcing them into a rigid two-tree structure mid-session interrupts flow, and retroactively sorting them is tedious busywork.\n\n- **Scales poorly with multiple contributors/actors**: When several actors (alice, bob, monk) generate documents concurrently, the `work/` subdirectory hierarchy (`archive/`, `backlog/`, `future/`, active) becomes a coordination bottleneck — everyone needs to agree on status transitions, and conflicts arise over what's \"active\" vs \"backlog\" vs \"done.\""}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":2750,"cache_read_input_tokens":24675,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":2750},"output_tokens":9,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCJ4kzMHiqbRgiFGuZQh","type":"assistant","uuid":"469c1506-89fc-47ae-934a-b6f569fd575e","timestamp":"2026-02-16T19:24:43.794Z"} +{"parentUuid":"469c1506-89fc-47ae-934a-b6f569fd575e","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"progress","data":{"type":"hook_progress","hookEvent":"Stop","hookName":"Stop","command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"},"parentToolUseID":"d515dc57-67c8-43e0-b7aa-f04605a73404","toolUseID":"d515dc57-67c8-43e0-b7aa-f04605a73404","timestamp":"2026-02-16T19:24:43.860Z","uuid":"3a876c2c-2b70-41bf-87c4-5964f7018bc5"} +{"parentUuid":"3a876c2c-2b70-41bf-87c4-5964f7018bc5","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"system","subtype":"stop_hook_summary","hookCount":1,"hookInfos":[{"command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"}],"hookErrors":[],"preventedContinuation":false,"stopReason":"","hasOutput":true,"level":"suggestion","timestamp":"2026-02-16T19:24:43.997Z","uuid":"052223b6-f8d1-473c-bff0-f58c5a7688ff","toolUseID":"d515dc57-67c8-43e0-b7aa-f04605a73404"} +{"type":"file-history-snapshot","messageId":"ad1515d0-c65d-45df-bfde-32d931b446c1","snapshot":{"messageId":"ad1515d0-c65d-45df-bfde-32d931b446c1","trackedFileBackups":{},"timestamp":"2026-02-16T19:25:46.307Z"},"isSnapshotUpdate":false} +{"parentUuid":"052223b6-f8d1-473c-bff0-f58c5a7688ff","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"user","message":{"role":"user","content":"Ok, so, to be fair, maybe also list 5 strengths of this proposal."},"uuid":"ad1515d0-c65d-45df-bfde-32d931b446c1","timestamp":"2026-02-16T19:25:46.151Z","thinkingMetadata":{"maxThinkingTokens":31999},"todos":[],"permissionMode":"default"} +{"parentUuid":"ad1515d0-c65d-45df-bfde-32d931b446c1","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01S5L7Tj3zt7QYuhzqtQj2qJ","type":"message","role":"assistant","content":[{"type":"text","text":"\n\n"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":71,"cache_read_input_tokens":27822,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":71},"output_tokens":12,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCJAKV6mtqnWmS6AGbxk","type":"assistant","uuid":"dc365667-a9d3-4a77-9920-8d32c633fa45","timestamp":"2026-02-16T19:25:48.673Z"} +{"parentUuid":"dc365667-a9d3-4a77-9920-8d32c633fa45","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01S5L7Tj3zt7QYuhzqtQj2qJ","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The user wants a balanced view - 5 strengths of the dev-docs/ vs work/ convention.","signature":"EvoBCkYICxgCKkBeUlcoKurASKiMGRmAlMb4pxjWiWln/68cSxd87BpsmhKc6x2s1Ny1W/Nhbp+oScx6m/QtK7wpgQSMqAfjDuFHEgwoPiHvGgnReerXPyQaDC15z1Bd/peDgFv9GyIwo3Q534dfNXxJRM0FQ/L12EQSSRTexTkRLiq5IBApnd1anvFUGoUdiUFeb2Kp8czeKmIJdtMYjjKJVcOZdYJh7/3Ohk22XuS46ErPnpKqqruI2EBRaLbtoEhxabzrNu1H2y7j7ZQ9fk0WX8GsR6JkzfZ0eQfCzKsLz2Ce4M8Y5v1crrM7m+JtFVtNzyiBwJq3phwW1RgB"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":71,"cache_read_input_tokens":27822,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":71},"output_tokens":12,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCJAKV6mtqnWmS6AGbxk","type":"assistant","uuid":"f8d26873-0e14-4c9e-b970-0e33fa2a0914","timestamp":"2026-02-16T19:25:49.097Z"} +{"parentUuid":"f8d26873-0e14-4c9e-b970-0e33fa2a0914","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01S5L7Tj3zt7QYuhzqtQj2qJ","type":"message","role":"assistant","content":[{"type":"text","text":"- **Clear intent signal**: The split immediately tells you whether a document is meant to be durable knowledge (`dev-docs/`) or transient/evolving (`work/`). You know at a glance what to trust as current truth vs. what's in flux.\n\n- **Keeps reference docs clean**: Without separation, technical reference gets buried under plans, drafts, and abandoned proposals. A dedicated `dev-docs/` stays focused and navigable — you don't wade through old work items to find the architecture overview.\n\n- **Natural archival path**: The `work/` subdirectories (`backlog/`, `archive/`, `future/`) give completed or deferred items a place to go rather than cluttering the project root or getting deleted. Nothing is lost, but nothing is in the way either.\n\n- **Supports selective `.gitignore` or access control**: You might want `work/` to be gitignored (personal scratch space) while `dev-docs/` is committed. Or vice versa — commit work items for team visibility but keep dev-docs generated locally. The two-tree split makes this trivial.\n\n- **Reduces cognitive load for newcomers**: Someone joining the project can ignore `work/` entirely and focus on `dev-docs/` to understand the system. The convention acts as a filter — \"read this, skip that\" — without needing a README to explain which files matter."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":71,"cache_read_input_tokens":27822,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":71},"output_tokens":12,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCJAKV6mtqnWmS6AGbxk","type":"assistant","uuid":"1691f02e-4cc2-432c-945b-855027323e8f","timestamp":"2026-02-16T19:25:58.443Z"} +{"parentUuid":"1691f02e-4cc2-432c-945b-855027323e8f","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"progress","data":{"type":"hook_progress","hookEvent":"Stop","hookName":"Stop","command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"},"parentToolUseID":"a0e1e62c-2a4f-462d-a0b4-7266be4bc00d","toolUseID":"a0e1e62c-2a4f-462d-a0b4-7266be4bc00d","timestamp":"2026-02-16T19:25:58.497Z","uuid":"6e1cea3c-b5b2-4cac-9e18-4a636e980b62"} +{"parentUuid":"6e1cea3c-b5b2-4cac-9e18-4a636e980b62","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"system","subtype":"stop_hook_summary","hookCount":1,"hookInfos":[{"command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"}],"hookErrors":[],"preventedContinuation":false,"stopReason":"","hasOutput":true,"level":"suggestion","timestamp":"2026-02-16T19:25:58.633Z","uuid":"817c0a12-f667-4933-aa2d-c242772ea450","toolUseID":"a0e1e62c-2a4f-462d-a0b4-7266be4bc00d"} +{"type":"file-history-snapshot","messageId":"d3658335-ec7f-42ce-9d87-747cda79e881","snapshot":{"messageId":"d3658335-ec7f-42ce-9d87-747cda79e881","trackedFileBackups":{},"timestamp":"2026-02-16T19:27:07.768Z"},"isSnapshotUpdate":false} +{"parentUuid":"817c0a12-f667-4933-aa2d-c242772ea450","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"user","message":{"role":"user","content":"Fair enough. Can you write a balanced opinion on this approach? Keep it same overall length as the pros or cons."},"uuid":"d3658335-ec7f-42ce-9d87-747cda79e881","timestamp":"2026-02-16T19:27:07.599Z","thinkingMetadata":{"maxThinkingTokens":31999},"todos":[],"permissionMode":"default"} +{"parentUuid":"d3658335-ec7f-42ce-9d87-747cda79e881","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01EfSS5axx8kM8Dm5gmuojYA","type":"message","role":"assistant","content":[{"type":"text","text":"\n\n"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":75,"cache_read_input_tokens":28242,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":75},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCJGKiA9jhxgYime6865","type":"assistant","uuid":"18037c5a-b000-42c9-a689-06fa14b1300d","timestamp":"2026-02-16T19:27:10.014Z"} +{"parentUuid":"18037c5a-b000-42c9-a689-06fa14b1300d","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01EfSS5axx8kM8Dm5gmuojYA","type":"message","role":"assistant","content":[{"type":"thinking","thinking":"The user wants a balanced opinion, roughly the same length as the 5-bullet lists I gave before.","signature":"EocCCkYICxgCKkD2KAZnGRpSMriYO/XMg46krEGj/4P9wsgWcYNaSdwQu+MJiBZl1IQbXAboBnOJslWKNy/nFv21O/6GO7ZntnPjEgywgmlHojpEQRiyHUgaDEdnZuktHHjniLPQvyIwDaAJ8gcGK0NHIoopbCMuFqpAP4aYWPaY/jjMVMKlAE2lGTLKHcdrGGtFqj3uP+VMKm9A9ARVN/cg51mj8X5jhwljkm344vNxTslAsBOyxGQQGfFHqpRwMsDYmWr9LAFu9ARpMgLoZc9f2k2RuE10lN04LWcys6/YQv9IWhdGVHkQPjSU5pWl38Pk9wnpGNJUGxlc3+Ipx4lVweF6xGqtIgcYAQ=="}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":75,"cache_read_input_tokens":28242,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":75},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCJGKiA9jhxgYime6865","type":"assistant","uuid":"5ce6fa4b-0530-4d85-af03-ba2c70445306","timestamp":"2026-02-16T19:27:10.579Z"} +{"parentUuid":"5ce6fa4b-0530-4d85-af03-ba2c70445306","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","message":{"model":"claude-opus-4-6","id":"msg_01EfSS5axx8kM8Dm5gmuojYA","type":"message","role":"assistant","content":[{"type":"text","text":"The `dev-docs/` vs `work/` split works best when a project has stabilized enough that the distinction between \"reference\" and \"in-progress\" is genuine. In that context, it reduces noise and gives newcomers a clear entry point.\n\nHowever, the convention fights against the natural lifecycle of documents, which tend to start as work items and graduate into reference. The more actively a project evolves — especially with AI-assisted sessions generating docs organically — the more the boundary feels artificial and the maintenance cost outweighs the clarity gained.\n\nA pragmatic middle ground: use the split lightly as a *naming convention* (e.g. prefix or tag) rather than a *directory structure*. This preserves the intent signal without forcing files to physically move between folders as their status changes. The rigid subdirectory hierarchy (`archive/`, `backlog/`, `future/`) is where the approach most often breaks down in practice — it demands discipline that rarely survives contact with real workflows.\n\nIn short: the *idea* is sound, but the *implementation as a directory tree* over-commits to a structure that real projects tend to outgrow or ignore."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":75,"cache_read_input_tokens":28242,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":75},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CYCJGKiA9jhxgYime6865","type":"assistant","uuid":"8cb01e66-3ee6-4912-9e07-bd0d98771d4d","timestamp":"2026-02-16T19:27:18.808Z"} +{"parentUuid":"8cb01e66-3ee6-4912-9e07-bd0d98771d4d","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"progress","data":{"type":"hook_progress","hookEvent":"Stop","hookName":"Stop","command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"},"parentToolUseID":"07ed7399-e055-4260-a8e3-c0e6299b29cb","toolUseID":"07ed7399-e055-4260-a8e3-c0e6299b29cb","timestamp":"2026-02-16T19:27:18.848Z","uuid":"a2a708f7-fdab-40a9-97a2-bee0b30e16fe"} +{"parentUuid":"a2a708f7-fdab-40a9-97a2-bee0b30e16fe","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"system","subtype":"stop_hook_summary","hookCount":1,"hookInfos":[{"command":"\"${CLAUDE_PLUGIN_ROOT}/scripts/clmail.cmd\" actor idle"}],"hookErrors":[],"preventedContinuation":false,"stopReason":"","hasOutput":true,"level":"suggestion","timestamp":"2026-02-16T19:27:18.988Z","uuid":"6d6613f0-b642-40f2-ae08-694c8f822957","toolUseID":"07ed7399-e055-4260-a8e3-c0e6299b29cb"} +{"type":"file-history-snapshot","messageId":"cba5bd18-a49a-46a6-9b1d-81491229c2c2","snapshot":{"messageId":"cba5bd18-a49a-46a6-9b1d-81491229c2c2","trackedFileBackups":{},"timestamp":"2026-02-17T00:13:55.285Z"},"isSnapshotUpdate":false} +{"parentUuid":"6d6613f0-b642-40f2-ae08-694c8f822957","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"user","message":{"role":"user","content":"Caveat: The messages below were generated by the user while running local commands. DO NOT respond to these messages or otherwise consider them in your response unless the user explicitly asks you to."},"isMeta":true,"uuid":"d008e68d-eb7f-42d3-8ed1-137c9eb25eb3","timestamp":"2026-02-17T00:13:55.281Z"} +{"parentUuid":"d008e68d-eb7f-42d3-8ed1-137c9eb25eb3","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"user","message":{"role":"user","content":"/exit\n exit\n "},"uuid":"cba5bd18-a49a-46a6-9b1d-81491229c2c2","timestamp":"2026-02-17T00:13:55.281Z"} +{"parentUuid":"cba5bd18-a49a-46a6-9b1d-81491229c2c2","isSidechain":false,"userType":"external","cwd":"/home/cboos/Workspace/github/daain/claude-code-log/experiments/ideas","sessionId":"03eb5929-52b3-4b13-ada3-b93ae35806b8","version":"2.1.42","gitBranch":"HEAD","slug":"zippy-wondering-wadler","type":"user","message":{"role":"user","content":"See ya!"},"uuid":"d107d4c0-ae71-4d3d-af3a-cf7a370bd21f","timestamp":"2026-02-17T00:13:55.281Z"} diff --git a/test/test_data/real_projects/-experiments-ideas/a95fea4a-b88a-4e49-ac07-4cc323d8700c.jsonl b/test/test_data/real_projects/-experiments-ideas/a95fea4a-b88a-4e49-ac07-4cc323d8700c.jsonl new file mode 100644 index 00000000..be1ff170 --- /dev/null +++ b/test/test_data/real_projects/-experiments-ideas/a95fea4a-b88a-4e49-ac07-4cc323d8700c.jsonl @@ -0,0 +1,4 @@ +{"type":"file-history-snapshot","messageId":"13f97369-4175-446a-bac8-0b7e2981d649","snapshot":{"messageId":"13f97369-4175-446a-bac8-0b7e2981d649","trackedFileBackups":{},"timestamp":"2026-02-16T18:47:50.736Z"},"isSnapshotUpdate":false} +{"type":"file-history-snapshot","messageId":"5270777a-1975-4e8a-9cad-b36280ae0ec5","snapshot":{"messageId":"5270777a-1975-4e8a-9cad-b36280ae0ec5","trackedFileBackups":{},"timestamp":"2026-02-16T18:49:30.598Z"},"isSnapshotUpdate":false} +{"type":"file-history-snapshot","messageId":"12f81cce-ffa9-40d4-929e-0c2c6ad7c6c9","snapshot":{"messageId":"12f81cce-ffa9-40d4-929e-0c2c6ad7c6c9","trackedFileBackups":{},"timestamp":"2026-02-16T18:51:05.354Z"},"isSnapshotUpdate":false} +{"type":"file-history-snapshot","messageId":"a17b2091-fd44-4c3e-aaeb-69196456ab73","snapshot":{"messageId":"a17b2091-fd44-4c3e-aaeb-69196456ab73","trackedFileBackups":{},"timestamp":"2026-02-16T18:53:15.963Z"},"isSnapshotUpdate":false} From 72cf3bf90fa0e2eab09d0e1ce5c5a044b0544639 Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Tue, 17 Feb 2026 18:57:49 +0100 Subject: [PATCH 09/23] Add within-session fork (rewind) visualization MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Detect and render within-session forks where a user rewinds in Claude Code, creating multiple same-session children from one parent node. Branch pseudo-sessions use synthetic IDs ({session_id}@{child_uuid[:12]}) so existing session tree/junction/rendering machinery handles them. Key changes: - dag.py: _walk_session_with_forks() splits sessions at fork points into separate DAG-lines, with coverage fallback for degenerate cases - renderer.py: branch detection moved before system message handling so system hooks are correctly assigned to their branch via _render_session_id - Templates: lightweight fork-point/branch nav items, junction forward links at fork points, branch backlinks pointing to fork point message - Models: is_branch/original_session_id on SessionDAGLine and SessionHeaderMessage entry.sessionId is never mutated — only internal MessageNode.session_id is updated for branch nodes, keeping cache/dedup/session files unaffected. Co-Authored-By: Claude Opus 4.6 --- claude_code_log/dag.py | 139 ++++--- claude_code_log/html/system_formatters.py | 8 + .../templates/components/session_nav.html | 16 + .../components/session_nav_styles.css | 57 +++ .../html/templates/transcript.html | 7 + claude_code_log/models.py | 3 + claude_code_log/renderer.py | 224 +++++++++++- test/__snapshots__/test_snapshot_html.ambr | 339 ++++++++++++++++++ test/test_dag.py | 254 +++++++++++++ test/test_dag_integration.py | 95 +++++ test/test_data/dag_within_fork.jsonl | 8 + 11 files changed, 1092 insertions(+), 58 deletions(-) create mode 100644 test/test_data/dag_within_fork.jsonl diff --git a/claude_code_log/dag.py b/claude_code_log/dag.py index a3a60de1..478de3bb 100644 --- a/claude_code_log/dag.py +++ b/claude_code_log/dag.py @@ -45,6 +45,8 @@ class SessionDAGLine: first_timestamp: str parent_session_id: Optional[str] = None attachment_uuid: Optional[str] = None # UUID in parent where this attaches + is_branch: bool = False # True for within-session fork branches + original_session_id: Optional[str] = None # Original session_id before fork split @dataclass @@ -170,6 +172,76 @@ def build_dag(nodes: dict[str, MessageNode]) -> None: # ============================================================================= +def _walk_session_with_forks( + root: MessageNode, + session_id: str, + session_uuids: set[str], + nodes: dict[str, MessageNode], +) -> list[SessionDAGLine]: + """Walk a session's DAG from root, splitting into separate DAG-lines at fork points. + + Uses a queue-based approach to handle nested forks: + 1. Start with (root_uuid, session_id, None) in the queue + 2. Walk chain following single same-session children + 3. On fork (multiple same-session children): stop chain at fork point, + push each child as a new branch + 4. Update MessageNode.session_id for branch nodes + + Returns: + List of SessionDAGLine objects (trunk first, then branches) + """ + # Queue entries: (start_uuid, dag_line_id, parent_dag_line_id) + queue: list[tuple[str, str, Optional[str]]] = [(root.uuid, session_id, None)] + result: list[SessionDAGLine] = [] + + while queue: + start_uuid, line_id, parent_line_id = queue.pop(0) + chain: list[str] = [] + current: Optional[MessageNode] = nodes[start_uuid] + is_branch = line_id != session_id + + while current is not None: + chain.append(current.uuid) + # Update session_id for branch nodes (needed for build_session_tree) + if is_branch: + current.session_id = line_id + + # Find children in the original session + same_session_children = [ + c for c in current.children_uuids if c in session_uuids + ] + if len(same_session_children) == 0: + current = None + elif len(same_session_children) == 1: + current = nodes[same_session_children[0]] + else: + # Fork point: stop chain here, push each child as a branch + # Sort children chronologically for deterministic order + same_session_children.sort(key=lambda c: nodes[c].timestamp) + for child_uuid in same_session_children: + branch_id = f"{line_id}@{child_uuid[:12]}" + queue.append((child_uuid, branch_id, line_id)) + current = None + + if chain: + first_ts = nodes[chain[0]].timestamp + dag_line = SessionDAGLine( + session_id=line_id, + uuids=chain, + first_timestamp=first_ts, + is_branch=is_branch, + original_session_id=session_id if is_branch else None, + ) + # Set parent/attachment for branches + if is_branch and parent_line_id is not None: + parent_uuid = nodes[chain[0]].parent_uuid + dag_line.parent_session_id = parent_line_id + dag_line.attachment_uuid = parent_uuid + result.append(dag_line) + + return result + + def extract_session_dag_lines( nodes: dict[str, MessageNode], ) -> dict[str, SessionDAGLine]: @@ -179,8 +251,9 @@ def extract_session_dag_lines( to a different session), then walks forward via children_uuids filtering to same-session children. - Verifies linearity: each node has at most one child in the same session. - Falls back to timestamp sort if violated. + Within-session forks (multiple same-session children) produce additional + DAG-lines with synthetic IDs (e.g., "s1@child_uuid12"). + Falls back to timestamp sort only when no root is found. """ # Group nodes by session session_nodes: dict[str, list[MessageNode]] = {} @@ -221,50 +294,28 @@ def extract_session_dag_lines( roots[0].uuid, ) - # Walk forward from root, following same-session children - chain: list[str] = [] - current: Optional[MessageNode] = roots[0] - linear = True - - while current is not None: - chain.append(current.uuid) - # Find children in the same session - same_session_children = [ - c for c in current.children_uuids if c in session_uuids - ] - if len(same_session_children) == 0: - current = None - elif len(same_session_children) == 1: - current = nodes[same_session_children[0]] - else: - logger.warning( - "Session %s: node %s has %d same-session children, " - "linearity violated", - session_id, - current.uuid, - len(same_session_children), - ) - linear = False - current = None + # Walk with fork detection + dag_lines = _walk_session_with_forks(roots[0], session_id, session_uuids, nodes) - if not linear or len(chain) < len(snodes): - if len(chain) < len(snodes): - logger.warning( - "Session %s: chain covers %d of %d nodes, " - "falling back to timestamp sort", - session_id, - len(chain), - len(snodes), - ) + # Check coverage: all session nodes should be in some DAG-line + covered = sum(len(dl.uuids) for dl in dag_lines) + if covered < len(snodes): + logger.warning( + "Session %s: DAG walk covers %d of %d nodes, " + "falling back to timestamp sort", + session_id, + covered, + len(snodes), + ) sorted_nodes = sorted(snodes, key=lambda n: n.timestamp) - chain = [n.uuid for n in sorted_nodes] - - first_ts = nodes[chain[0]].timestamp - sessions[session_id] = SessionDAGLine( - session_id=session_id, - uuids=chain, - first_timestamp=first_ts, - ) + sessions[session_id] = SessionDAGLine( + session_id=session_id, + uuids=[n.uuid for n in sorted_nodes], + first_timestamp=sorted_nodes[0].timestamp, + ) + else: + for dag_line in dag_lines: + sessions[dag_line.session_id] = dag_line return sessions diff --git a/claude_code_log/html/system_formatters.py b/claude_code_log/html/system_formatters.py index 6939c41e..7770fdd3 100644 --- a/claude_code_log/html/system_formatters.py +++ b/claude_code_log/html/system_formatters.py @@ -88,6 +88,14 @@ def format_session_header_content(content: SessionHeaderMessage) -> str: HTML for the session header display """ escaped_title = html.escape(content.title) + if content.is_branch and content.parent_message_index is not None: + # Branch header: backlink to fork point + link = ( + f'' + f"↳ branch from fork point" + ) + return f"{link}{escaped_title}" if content.parent_session_id: parent_label = content.parent_session_summary or content.parent_session_id[:8] escaped_parent = html.escape(parent_label) diff --git a/claude_code_log/html/templates/components/session_nav.html b/claude_code_log/html/templates/components/session_nav.html index fe7858c1..4316b5bd 100644 --- a/claude_code_log/html/templates/components/session_nav.html +++ b/claude_code_log/html/templates/components/session_nav.html @@ -12,6 +12,21 @@

Session Navigation

{% for session in sessions %} + {% if session.is_fork_point is defined and session.is_fork_point %} +
+ + ⑂ {{ session.first_user_message }} + +
+ {% elif session.is_branch is defined and session.is_branch %} +
+ + ↳ {{ session.first_user_message }} + +
+ {% else %}
0 %}style='margin-left: {{ session.depth * 24 }}px'{% endif %}> {% if session.parent_session_id and mode == "toc" and session.parent_message_index is defined and session.parent_message_index is not none %} @@ -40,6 +55,7 @@

Session Navigation

{% endif %}
+ {% endif %} {% endfor %}
diff --git a/claude_code_log/html/templates/components/session_nav_styles.css b/claude_code_log/html/templates/components/session_nav_styles.css index 3cb56402..f915b2a6 100644 --- a/claude_code_log/html/templates/components/session_nav_styles.css +++ b/claude_code_log/html/templates/components/session_nav_styles.css @@ -24,6 +24,7 @@ } .session-link { + display: block; padding: 8px 12px; background-color: var(--white-dimmed); border: 1px solid #dee2e6; @@ -122,4 +123,60 @@ a.session-backlink:hover { .session-preview { font-size: 0.75em; line-height: 1.3; +} + +/* Within-session fork styles */ +.junction-forward-links { + display: flex; + gap: 8px; + margin-top: 6px; + padding: 4px 8px; + font-size: 0.8em; +} + +.junction-link { + color: #6c757d; + text-decoration: none; + padding: 2px 6px; + border: 1px dashed #adb5bd; + border-radius: 3px; + transition: background-color 0.2s; +} + +.junction-link:hover { + background-color: #e9ecef; + color: var(--text-secondary); +} + +.branch-backlink { + border-left: 2px dashed #888; + padding-left: 6px; +} + +/* Fork point and branch nav items — lightweight text links, not cards */ +.session-fork-point, +.session-branch { + padding-left: 8px; +} + +.session-fork-point { + border-left: 2px dashed #888; +} + +.session-branch { + border-left: 2px dashed #666; +} + +.fork-link, +.branch-link { + display: block; + text-decoration: none; + color: #6c757d; + padding: 2px 0; + font-size: 0.85em; +} + +.fork-link:hover, +.branch-link:hover { + color: var(--text-secondary); } \ No newline at end of file diff --git a/claude_code_log/html/templates/transcript.html b/claude_code_log/html/templates/transcript.html index 4d7ef226..4240d4d9 100644 --- a/claude_code_log/html/templates/transcript.html +++ b/claude_code_log/html/templates/transcript.html @@ -142,6 +142,13 @@

🔍 Search & Filter

{{ html_content | safe }}
+ {% if message.junction_forward_links %} +
+ {% for branch_sid, branch_idx in message.junction_forward_links %} + → {{ branch_sid.split('@')[-1][:8] }} + {% endfor %} +
+ {% endif %} {% if message.has_children %}
{% if message.immediate_children_count == message.total_descendants_count %} diff --git a/claude_code_log/models.py b/claude_code_log/models.py index 27c2d6ed..fda3808d 100644 --- a/claude_code_log/models.py +++ b/claude_code_log/models.py @@ -667,6 +667,9 @@ class SessionHeaderMessage(MessageContent): parent_message_index: Optional[int] = None # d-{N} index for backlink depth: int = 0 # 0 = root, 1 = child, etc. attachment_uuid: Optional[str] = None + is_branch: bool = False # True for within-session fork branches + original_session_id: Optional[str] = None # Original session_id before fork split + first_uuid: Optional[str] = None # First UUID in this branch (for forward links) @property def message_type(self) -> str: diff --git a/claude_code_log/renderer.py b/claude_code_log/renderer.py index 15efa6a7..c03a29b0 100644 --- a/claude_code_log/renderer.py +++ b/claude_code_log/renderer.py @@ -100,6 +100,9 @@ class RenderingContext: session_first_message: dict[str, int] = field( default_factory=lambda: {} # type: dict[str, int] ) + junction_targets: dict[str, list[str]] = field( + default_factory=lambda: {} # type: dict[str, list[str]] + ) def register(self, message: "TemplateMessage") -> int: """Register a TemplateMessage and assign its message_index. @@ -185,6 +188,13 @@ def __init__( # Children for tree-based rendering self.children: list["TemplateMessage"] = [] + # Within-session fork tracking: effective session/branch ID for grouping + self._render_session_id: Optional[str] = None + + # Junction forward links: [(branch_session_id, branch_header_msg_index)] + # Set on messages that are fork points, for rendering forward links + self.junction_forward_links: list[tuple[str, Optional[int]]] = [] + # -- Properties derived from content/meta -- @property @@ -248,6 +258,15 @@ def session_id(self) -> str: """Get session_id from meta.""" return self.meta.session_id + @property + def render_session_id(self) -> str: + """Get effective session/branch ID for grouping. + + Returns _render_session_id if set (for within-session fork branches), + otherwise falls back to meta.session_id. + """ + return self._render_session_id or self.meta.session_id + @property def parent_uuid(self) -> Optional[str]: """Get parent_uuid from meta.""" @@ -560,7 +579,7 @@ def generate_template_messages( # Extract session hierarchy from DAG with log_timing("Extract session hierarchy", t_start): - session_hierarchy, _junction_targets = _extract_session_hierarchy(messages) + session_hierarchy, junction_targets = _extract_session_hierarchy(messages) # Filter messages (removes summaries, warmup, empty, etc.) with log_timing("Filter messages", t_start): @@ -583,8 +602,25 @@ def generate_template_messages( show_tokens_for_message, session_hierarchy, session_summaries, + junction_targets, ) + # Populate junction forward links on fork-point messages + if ctx.junction_targets: + # Build UUID → TemplateMessage index for fast lookup + uuid_to_msg: dict[str, TemplateMessage] = {} + for msg in ctx.messages: + if msg.meta.uuid: + uuid_to_msg[msg.meta.uuid] = msg + for uuid, target_sids in ctx.junction_targets.items(): + # Only add forward links for within-session fork branches + branch_targets = [sid for sid in target_sids if "@" in sid] + if branch_targets and uuid in uuid_to_msg: + fork_msg = uuid_to_msg[uuid] + for branch_sid in branch_targets: + branch_idx = ctx.session_first_message.get(branch_sid) + fork_msg.junction_forward_links.append((branch_sid, branch_idx)) + # Prepare session navigation data (uses ctx for session header indices) session_nav: list[dict[str, Any]] = [] with log_timing( @@ -672,6 +708,9 @@ def _depth(sid: str) -> int: "parent_session_id": dag_line.parent_session_id, "attachment_uuid": dag_line.attachment_uuid, "depth": _depth(sid), + "is_branch": dag_line.is_branch, + "original_session_id": dag_line.original_session_id, + "first_uuid": dag_line.uuids[0] if dag_line.uuids else None, } junction_targets: dict[str, list[str]] = {} @@ -798,6 +837,85 @@ def prepare_session_navigation( } ) + # Add branch pseudo-sessions from hierarchy + if session_hierarchy: + # Group branches by their junction point (attachment_uuid) + junction_branches: dict[str, list[dict[str, Any]]] = {} + for sid, hier in session_hierarchy.items(): + if hier.get("is_branch"): + attachment = hier.get("attachment_uuid", "") + junction_branches.setdefault(attachment, []).append( + {"sid": sid, **hier} + ) + + # For each junction point, insert fork-point and branch nav items + for attachment_uuid, branches in junction_branches.items(): + # Find the session nav item that contains this junction + parent_sid = branches[0].get("parent_session_id", "") + parent_nav_idx = next( + (i for i, n in enumerate(session_nav) if n["id"] == parent_sid), + None, + ) + if parent_nav_idx is None: + continue + + parent_depth = session_nav[parent_nav_idx]["depth"] + insert_pos = parent_nav_idx + 1 + # Skip past any existing children of this parent + while ( + insert_pos < len(session_nav) + and session_nav[insert_pos].get("depth", 0) > parent_depth + ): + insert_pos += 1 + + # Fork point nav item + fork_msg_idx = ctx.session_first_message.get(parent_sid) + # Try to find the junction message index from the attachment uuid + for msg in ctx.messages: + if msg.meta.uuid == attachment_uuid and msg.message_index is not None: + fork_msg_idx = msg.message_index + break + + fork_nav = { + "id": f"fork-{attachment_uuid[:12]}", + "message_index": fork_msg_idx, + "summary": None, + "timestamp_range": "", + "first_timestamp": "", + "last_timestamp": "", + "message_count": 0, + "first_user_message": f"Fork point ({len(branches)} branches)", + "token_summary": "", + "parent_session_id": parent_sid, + "parent_message_index": ctx.session_first_message.get(parent_sid), + "depth": parent_depth + 1, + "is_fork_point": True, + } + session_nav.insert(insert_pos, fork_nav) + insert_pos += 1 + + # Branch nav items + for branch in branches: + branch_sid = branch["sid"] + branch_msg_idx = ctx.session_first_message.get(branch_sid) + branch_nav = { + "id": branch_sid, + "message_index": branch_msg_idx, + "summary": None, + "timestamp_range": "", + "first_timestamp": "", + "last_timestamp": "", + "message_count": 0, + "first_user_message": f"Branch {branch_sid.split('@')[-1][:8]}", + "token_summary": "", + "parent_session_id": parent_sid, + "parent_message_index": fork_msg_idx, + "depth": parent_depth + 2, + "is_branch": True, + } + session_nav.insert(insert_pos, branch_nav) + insert_pos += 1 + return session_nav @@ -1445,14 +1563,15 @@ def _reorder_session_template_messages( if message.is_session_header: session_headers.append(message) # Initialize the list for this session (preserves session order) - if message.session_id and message.session_id not in session_messages_map: - session_messages_map[message.session_id] = [] + sid = message.render_session_id + if sid and sid not in session_messages_map: + session_messages_map[sid] = [] else: - session_id = message.session_id - if session_id: - if session_id not in session_messages_map: - session_messages_map[session_id] = [] - session_messages_map[session_id].append(message) + sid = message.render_session_id + if sid: + if sid not in session_messages_map: + session_messages_map[sid] = [] + session_messages_map[sid].append(message) # If no session headers, return original order if not session_headers: @@ -1464,16 +1583,16 @@ def _reorder_session_template_messages( for header in session_headers: result.append(header) - session_id = header.session_id + sid = header.render_session_id - if session_id and session_id in session_messages_map: + if sid and sid in session_messages_map: # Messages are already in timestamp order from original processing - result.extend(session_messages_map[session_id]) - used_sessions.add(session_id) + result.extend(session_messages_map[sid]) + used_sessions.add(sid) # Append any messages that weren't matched to a session header (shouldn't happen normally) - for session_id, msgs in session_messages_map.items(): - if session_id not in used_sessions: + for sid, msgs in session_messages_map.items(): + if sid not in used_sessions: result.extend(msgs) return result @@ -1751,11 +1870,13 @@ def _render_messages( show_tokens_for_message: set[str], session_hierarchy: dict[str, dict[str, Any]] | None = None, session_summaries: dict[str, str] | None = None, + junction_targets: dict[str, list[str]] | None = None, ) -> RenderingContext: """Pass 2: Render pre-filtered messages to TemplateMessage objects. This pass creates the actual TemplateMessage objects for rendering: - Creates session headers when entering new sessions + - Creates branch headers at within-session fork points - Processes text content into HTML - Handles tool use, tool result, thinking, and image content - Collects timing statistics @@ -1769,24 +1890,95 @@ def _render_messages( show_tokens_for_message: Set of message UUIDs that should display tokens session_hierarchy: Optional hierarchy data from _extract_session_hierarchy() session_summaries: Optional session summaries for parent backlinks + junction_targets: Optional junction target data from _extract_session_hierarchy() Returns: RenderingContext with all TemplateMessage objects registered """ # Create rendering context for this operation ctx = RenderingContext() + if junction_targets: + ctx.junction_targets = junction_targets + + # Build branch_start_uuids: map first UUID of each branch → branch pseudo-session ID + branch_start_uuids: dict[str, str] = {} + if session_hierarchy: + for sid, hier in session_hierarchy.items(): + if hier.get("is_branch") and hier.get("first_uuid"): + branch_start_uuids[hier["first_uuid"]] = sid # Track which sessions have had headers added seen_sessions: set[str] = set() + # Track current effective render session (for branch assignment) + current_render_session: Optional[str] = None for message in messages: message_type = message.type + # Check if this message starts a new branch (within-session fork) + # Must happen before system/summary handling so branch state is + # correct when tagging those messages with _render_session_id. + message_uuid = getattr(message, "uuid", "") + if message_uuid and message_uuid in branch_start_uuids: + branch_sid = branch_start_uuids[message_uuid] + if branch_sid not in seen_sessions: + seen_sessions.add(branch_sid) + current_render_session = branch_sid + + # Create branch header + b_hier = (session_hierarchy or {}).get(branch_sid, {}) + parent_sid = b_hier.get("parent_session_id") + # Look up the fork point message index (attachment_uuid), + # not the parent session header + attachment_uuid = b_hier.get("attachment_uuid") + parent_msg_idx = None + if attachment_uuid: + for msg in ctx.messages: + if ( + msg.meta.uuid == attachment_uuid + and msg.message_index is not None + ): + parent_msg_idx = msg.message_index + break + if parent_msg_idx is None and parent_sid: + parent_msg_idx = ctx.session_first_message.get(parent_sid) + original_sid = b_hier.get("original_session_id", message.sessionId) + branch_summary = (session_summaries or {}).get(original_sid) + branch_title = f"Branch • {branch_sid.split('@')[-1][:8]}" + + branch_header_meta = MessageMeta( + session_id=branch_sid, + timestamp="", + uuid="", + ) + branch_header_content = SessionHeaderMessage( + branch_header_meta, + title=branch_title, + session_id=branch_sid, + summary=branch_summary, + parent_session_id=parent_sid, + parent_session_summary=(session_summaries or {}).get(parent_sid) + if parent_sid + else None, + parent_message_index=parent_msg_idx, + depth=b_hier.get("depth", 0), + attachment_uuid=b_hier.get("attachment_uuid"), + is_branch=True, + original_session_id=original_sid, + first_uuid=message_uuid, + ) + branch_header = TemplateMessage(branch_header_content) + branch_header._render_session_id = branch_sid + msg_index = ctx.register(branch_header) + ctx.session_first_message[branch_sid] = msg_index + # Handle system messages (already filtered in pass 1) if isinstance(message, SystemTranscriptEntry): system_content = create_system_message(message) if system_content: system_msg = TemplateMessage(system_content) + if current_render_session: + system_msg._render_session_id = current_render_session ctx.register(system_msg) continue @@ -1926,6 +2118,8 @@ def _render_messages( continue chunk_msg = TemplateMessage(content_model) + if current_render_session: + chunk_msg._render_session_id = current_render_session ctx.register(chunk_msg) else: @@ -1974,6 +2168,8 @@ def _render_messages( continue tool_msg = TemplateMessage(tool_result.content) + if current_render_session: + tool_msg._render_session_id = current_render_session ctx.register(tool_msg) return ctx diff --git a/test/__snapshots__/test_snapshot_html.ambr b/test/__snapshots__/test_snapshot_html.ambr index 87538885..765b66f5 100644 --- a/test/__snapshots__/test_snapshot_html.ambr +++ b/test/__snapshots__/test_snapshot_html.ambr @@ -273,6 +273,7 @@ } .session-link { + display: block; padding: 8px 12px; background-color: var(--white-dimmed); border: 1px solid #dee2e6; @@ -372,6 +373,62 @@ font-size: 0.75em; line-height: 1.3; } + + /* Within-session fork styles */ + .junction-forward-links { + display: flex; + gap: 8px; + margin-top: 6px; + padding: 4px 8px; + font-size: 0.8em; + } + + .junction-link { + color: #6c757d; + text-decoration: none; + padding: 2px 6px; + border: 1px dashed #adb5bd; + border-radius: 3px; + transition: background-color 0.2s; + } + + .junction-link:hover { + background-color: #e9ecef; + color: var(--text-secondary); + } + + .branch-backlink { + border-left: 2px dashed #888; + padding-left: 6px; + } + + /* Fork point and branch nav items — lightweight text links, not cards */ + .session-fork-point, + .session-branch { + padding-left: 8px; + } + + .session-fork-point { + border-left: 2px dashed #888; + } + + .session-branch { + border-left: 2px dashed #666; + } + + .fork-link, + .branch-link { + display: block; + text-decoration: none; + color: #6c757d; + padding: 2px 0; + font-size: 0.85em; + } + + .fork-link:hover, + .branch-link:hover { + color: var(--text-secondary); + } /* Project card styles for index page */ .project-list { display: grid; @@ -1752,6 +1809,7 @@
+
@@ -1773,6 +1831,7 @@
+
@@ -3184,6 +3243,7 @@ } .session-link { + display: block; padding: 8px 12px; background-color: var(--white-dimmed); border: 1px solid #dee2e6; @@ -3283,6 +3343,62 @@ font-size: 0.75em; line-height: 1.3; } + + /* Within-session fork styles */ + .junction-forward-links { + display: flex; + gap: 8px; + margin-top: 6px; + padding: 4px 8px; + font-size: 0.8em; + } + + .junction-link { + color: #6c757d; + text-decoration: none; + padding: 2px 6px; + border: 1px dashed #adb5bd; + border-radius: 3px; + transition: background-color 0.2s; + } + + .junction-link:hover { + background-color: #e9ecef; + color: var(--text-secondary); + } + + .branch-backlink { + border-left: 2px dashed #888; + padding-left: 6px; + } + + /* Fork point and branch nav items — lightweight text links, not cards */ + .session-fork-point, + .session-branch { + padding-left: 8px; + } + + .session-fork-point { + border-left: 2px dashed #888; + } + + .session-branch { + border-left: 2px dashed #666; + } + + .fork-link, + .branch-link { + display: block; + text-decoration: none; + color: #6c757d; + padding: 2px 0; + font-size: 0.85em; + } + + .fork-link:hover, + .branch-link:hover { + color: var(--text-secondary); + } /* Filter toolbar and controls */ .filter-toolbar { background-color: var(--neutral-dimmed); @@ -5135,6 +5251,7 @@ 
Hello Claude! Can you help me understand how Python decorators work?
+
@@ -5184,6 +5301,7 @@
+
@@ -5201,6 +5319,7 @@ 
Great! Can you also show me how to create a decorator that takes parameters?
+
@@ -5228,6 +5347,7 @@
+def repeat(times):
+ def decorator(func):
+ def wrapper(*args, **kwargs):
+ for _ in range(times):
+ result = func(*args, **kwargs)
+ return result
+ return wrapper
+ return decorator
+
+@repeat(3)
+def greet(name):
+ print(f"Hello, {name}!")
+
+greet("Alice")
+
@@ -5245,6 +5365,7 @@ 
File created successfully at: /tmp/decorator_example.py
+
@@ -5277,6 +5398,7 @@

When you run this code, it will print "Hello, Alice!" three times.

+
@@ -5294,6 +5416,7 @@ 
Can you run that example to show the output?
+
@@ -5321,6 +5444,7 @@ 
python /tmp/decorator_example.py
+
@@ -5340,6 +5464,7 @@ Hello, Alice! Hello, Alice!
+
@@ -5368,6 +5493,7 @@

The pattern is always the same: decorator factory → decorator → wrapper function.

+
@@ -5385,6 +5511,7 @@ 
This is really helpful! Let me try to implement a timing decorator myself. Can you help me if I get stuck?
+
@@ -8175,6 +8302,7 @@ } .session-link { + display: block; padding: 8px 12px; background-color: var(--white-dimmed); border: 1px solid #dee2e6; @@ -8274,6 +8402,62 @@ font-size: 0.75em; line-height: 1.3; } + + /* Within-session fork styles */ + .junction-forward-links { + display: flex; + gap: 8px; + margin-top: 6px; + padding: 4px 8px; + font-size: 0.8em; + } + + .junction-link { + color: #6c757d; + text-decoration: none; + padding: 2px 6px; + border: 1px dashed #adb5bd; + border-radius: 3px; + transition: background-color 0.2s; + } + + .junction-link:hover { + background-color: #e9ecef; + color: var(--text-secondary); + } + + .branch-backlink { + border-left: 2px dashed #888; + padding-left: 6px; + } + + /* Fork point and branch nav items — lightweight text links, not cards */ + .session-fork-point, + .session-branch { + padding-left: 8px; + } + + .session-fork-point { + border-left: 2px dashed #888; + } + + .session-branch { + border-left: 2px dashed #666; + } + + .fork-link, + .branch-link { + display: block; + text-decoration: none; + color: #6c757d; + padding: 2px 0; + font-size: 0.85em; + } + + .fork-link:hover, + .branch-link:hover { + color: var(--text-secondary); + } /* Filter toolbar and controls */ .filter-toolbar { background-color: var(--neutral-dimmed); @@ -10126,6 +10310,7 @@ 
Here's a message with some **markdown** formatting, `inline code`, and even a [link](https://example.com). Let's see how it renders!
+
@@ -10194,6 +10379,7 @@

The markdown renderer handles all of this automatically!

+
@@ -10211,6 +10397,7 @@ 
Let's test a very long message to see how it handles text wrapping and layout. Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. Sed ut perspiciatis unde omnis iste natus error sit voluptatem accusantium doloremque laudantium, totam rem aperiam, eaque ipsa quae ab illo inventore veritatis et quasi architecto beatae vitae dicta sunt explicabo. Nemo enim ipsam voluptatem quia voluptas sit aspernatur aut odit aut fugit, sed quia consequuntur magni dolores eos qui ratione voluptatem sequi nesciunt. Neque porro quisquam est, qui dolorem ipsum quia dolor sit amet, consectetur, adipisci velit, sed quia non numquam eius modi tempora incidunt ut labore et dolore magnam aliquam quaerat voluptatem.
+
@@ -10243,6 +10430,7 @@
+
@@ -10260,6 +10448,7 @@ 
Error: Tool execution failed with error: Command not found
+
@@ -10279,6 +10468,7 @@ line breaks
+
@@ -10301,6 +10491,7 @@ Status: SUCCESS Timestamp: 2025-06-14T11:02:20Z
+
@@ -10335,6 +10526,7 @@

I see the long Lorem ipsum text wraps nicely! Long text handling is important for readability. The CSS should handle word wrapping automatically.

+
@@ -10362,6 +10554,7 @@
📝 /tmp/complex_example.py
Applying 1 edits
Edit #1
+#!/usr/bin/env python3
+"""
+Complex example with multiple operations.
+"""
+
+import json
+import sys
+from typing import List, Dict, Any
+
+def process_data(items: List[Dict[str, Any]]) -> None:
+ """
+ Process a list of data items.
+ """
+ for item in items:
+ print(f"Processing: {item['name']}")
+ if item.get('active', False):
+ print(f" Status: Active")
+ else:
+ print(f" Status: Inactive")
+
+if __name__ == "__main__":
+ sample_data = [
+ {"name": "Item 1", "active": True},
+ {"name": "Item 2", "active": False},
+ {"name": "Item 3", "active": True}
+ ]
+ process_data(sample_data)
+
@@ -10379,6 +10572,7 @@ 
Testing special characters: café, naïve, résumé, 中文, العربية, русский, 🎉 emojis 🚀 and symbols ∑∆√π∞
+
@@ -10396,6 +10590,7 @@ 
wow error
+
@@ -10472,6 +10667,7 @@
+
@@ -13262,6 +13458,7 @@ } .session-link { + display: block; padding: 8px 12px; background-color: var(--white-dimmed); border: 1px solid #dee2e6; @@ -13361,6 +13558,62 @@ font-size: 0.75em; line-height: 1.3; } + + /* Within-session fork styles */ + .junction-forward-links { + display: flex; + gap: 8px; + margin-top: 6px; + padding: 4px 8px; + font-size: 0.8em; + } + + .junction-link { + color: #6c757d; + text-decoration: none; + padding: 2px 6px; + border: 1px dashed #adb5bd; + border-radius: 3px; + transition: background-color 0.2s; + } + + .junction-link:hover { + background-color: #e9ecef; + color: var(--text-secondary); + } + + .branch-backlink { + border-left: 2px dashed #888; + padding-left: 6px; + } + + /* Fork point and branch nav items — lightweight text links, not cards */ + .session-fork-point, + .session-branch { + padding-left: 8px; + } + + .session-fork-point { + border-left: 2px dashed #888; + } + + .session-branch { + border-left: 2px dashed #666; + } + + .fork-link, + .branch-link { + display: block; + text-decoration: none; + color: #6c757d; + padding: 2px 0; + font-size: 0.85em; + } + + .fork-link:hover, + .branch-link:hover { + color: var(--text-secondary); + } /* Filter toolbar and controls */ .filter-toolbar { background-color: var(--neutral-dimmed); @@ -15185,6 +15438,7 @@
+
@@ -15206,6 +15460,8 @@
+ +
@@ -15229,6 +15485,7 @@
+
@@ -15272,6 +15529,7 @@ 
This is from a different session file to test multi-session handling.
+
@@ -15302,6 +15560,7 @@

Indeed! This message is from a different JSONL file, which should help test the session divider logic. Only the first session should show a divider.

+
@@ -15319,6 +15578,7 @@ 
Perfect! This should appear without any session divider above it.
+
@@ -15358,6 +15618,7 @@ 
Hello Claude! Can you help me understand how Python decorators work?
+
@@ -15407,6 +15668,7 @@
+
@@ -15424,6 +15686,7 @@ 
Great! Can you also show me how to create a decorator that takes parameters?
+
@@ -15451,6 +15714,7 @@
+def repeat(times):
+ def decorator(func):
+ def wrapper(*args, **kwargs):
+ for _ in range(times):
+ result = func(*args, **kwargs)
+ return result
+ return wrapper
+ return decorator
+
+@repeat(3)
+def greet(name):
+ print(f"Hello, {name}!")
+
+greet("Alice")
+
@@ -15468,6 +15732,7 @@ 
File created successfully at: /tmp/decorator_example.py
+
@@ -15500,6 +15765,7 @@

When you run this code, it will print "Hello, Alice!" three times.

+
@@ -15517,6 +15783,7 @@ 
Can you run that example to show the output?
+
@@ -15544,6 +15811,7 @@ 
python /tmp/decorator_example.py
+
@@ -15563,6 +15831,7 @@ Hello, Alice! Hello, Alice!
+
@@ -15591,6 +15860,7 @@

The pattern is always the same: decorator factory → decorator → wrapper function.

+
@@ -15608,6 +15878,7 @@ 
This is really helpful! Let me try to implement a timing decorator myself. Can you help me if I get stuck?
+
@@ -18398,6 +18669,7 @@ } .session-link { + display: block; padding: 8px 12px; background-color: var(--white-dimmed); border: 1px solid #dee2e6; @@ -18497,6 +18769,62 @@ font-size: 0.75em; line-height: 1.3; } + + /* Within-session fork styles */ + .junction-forward-links { + display: flex; + gap: 8px; + margin-top: 6px; + padding: 4px 8px; + font-size: 0.8em; + } + + .junction-link { + color: #6c757d; + text-decoration: none; + padding: 2px 6px; + border: 1px dashed #adb5bd; + border-radius: 3px; + transition: background-color 0.2s; + } + + .junction-link:hover { + background-color: #e9ecef; + color: var(--text-secondary); + } + + .branch-backlink { + border-left: 2px dashed #888; + padding-left: 6px; + } + + /* Fork point and branch nav items — lightweight text links, not cards */ + .session-fork-point, + .session-branch { + padding-left: 8px; + } + + .session-fork-point { + border-left: 2px dashed #888; + } + + .session-branch { + border-left: 2px dashed #666; + } + + .fork-link, + .branch-link { + display: block; + text-decoration: none; + color: #6c757d; + padding: 2px 0; + font-size: 0.85em; + } + + .fork-link:hover, + .branch-link:hover { + color: var(--text-secondary); + } /* Filter toolbar and controls */ .filter-toolbar { background-color: var(--neutral-dimmed); @@ -20349,6 +20677,7 @@ 
Hello Claude! Can you help me understand how Python decorators work?
+
@@ -20398,6 +20727,7 @@
+
@@ -20415,6 +20745,7 @@ 
Great! Can you also show me how to create a decorator that takes parameters?
+
@@ -20442,6 +20773,7 @@
+def repeat(times):
+ def decorator(func):
+ def wrapper(*args, **kwargs):
+ for _ in range(times):
+ result = func(*args, **kwargs)
+ return result
+ return wrapper
+ return decorator
+
+@repeat(3)
+def greet(name):
+ print(f"Hello, {name}!")
+
+greet("Alice")
+ @@ -20459,6 +20791,7 @@ 
File created successfully at: /tmp/decorator_example.py
+ @@ -20491,6 +20824,7 @@

When you run this code, it will print "Hello, Alice!" three times.

+ @@ -20508,6 +20842,7 @@ 
Can you run that example to show the output?
+
@@ -20535,6 +20870,7 @@ 
python /tmp/decorator_example.py
+ @@ -20554,6 +20890,7 @@ Hello, Alice! Hello, Alice! + @@ -20582,6 +20919,7 @@

The pattern is always the same: decorator factory → decorator → wrapper function.

+ @@ -20599,6 +20937,7 @@ 
This is really helpful! Let me try to implement a timing decorator myself. Can you help me if I get stuck?
+ diff --git a/test/test_dag.py b/test/test_dag.py index 0c9604c0..d3ec46d1 100644 --- a/test/test_dag.py +++ b/test/test_dag.py @@ -689,3 +689,257 @@ def test_all_null_traversal_returns_all_entries( assert len(result) == 5 uuids = [e.uuid for e in result] # type: ignore[union-attr] assert uuids == ["msg_0", "msg_1", "msg_2", "msg_3", "msg_4"] + + +# ============================================================================= +# Test: Within-session fork (dag_within_fork.jsonl) +# ============================================================================= + + +class TestWithinSessionFork: + """Tests using dag_within_fork.jsonl: s1(a→b→c) with fork at c. + + c has two same-session children: d→e→f (branch 1) and d'→e' (branch 2). + This produces three DAG-lines: trunk (a,b,c), branch 1 (d,e,f), branch 2 (d',e'). + """ + + @pytest.fixture() + def tree(self) -> SessionTree: + entries = load_entries_from_jsonl(TEST_DATA / "dag_within_fork.jsonl") + return build_dag_from_entries(entries) + + def test_trunk_stops_at_fork(self, tree: SessionTree) -> None: + """Trunk DAG-line stops at fork point c.""" + assert "s1" in tree.sessions + assert tree.sessions["s1"].uuids == ["a", "b", "c"] + + def test_branch_sessions_created(self, tree: SessionTree) -> None: + """Two branch pseudo-sessions are created.""" + branch_ids = [sid for sid in tree.sessions if "@" in sid] + assert len(branch_ids) == 2 + + def test_branch1_chain(self, tree: SessionTree) -> None: + """Branch 1 (d→e→f) has correct chain.""" + branch1_id = "s1@d" + assert branch1_id in tree.sessions + assert tree.sessions[branch1_id].uuids == ["d", "e", "f"] + + def test_branch2_chain(self, tree: SessionTree) -> None: + """Branch 2 (d'→e') has correct chain.""" + branch2_id = "s1@d_prime" + assert branch2_id in tree.sessions + assert tree.sessions[branch2_id].uuids == ["d_prime", "e_prime"] + + def test_branches_are_marked(self, tree: SessionTree) -> None: + """Branch DAG-lines have is_branch=True and original_session_id set.""" + for sid in tree.sessions: + if "@" in sid: + dl = tree.sessions[sid] + assert dl.is_branch is True + assert dl.original_session_id == "s1" + else: + dl = tree.sessions[sid] + assert dl.is_branch is False + assert dl.original_session_id is None + + def test_trunk_is_root(self, tree: SessionTree) -> None: + """Only trunk s1 is a root session.""" + assert tree.roots == ["s1"] + + def test_branches_parent_is_trunk(self, tree: SessionTree) -> None: + """Both branches have parent_session_id = trunk.""" + for sid in tree.sessions: + if "@" in sid: + assert tree.sessions[sid].parent_session_id == "s1" + assert tree.sessions[sid].attachment_uuid == "c" + + def test_junction_at_fork_point(self, tree: SessionTree) -> None: + """Fork point c is a junction point with both branches as targets.""" + assert "c" in tree.junction_points + jp = tree.junction_points["c"] + assert jp.session_id == "s1" + assert len(jp.target_sessions) == 2 + assert "s1@d" in jp.target_sessions + assert "s1@d_prime" in jp.target_sessions + + def test_traversal_order(self, tree: SessionTree) -> None: + """Depth-first: trunk, then branch 1 at junction, then branch 2.""" + result = traverse_session_tree(tree) + uuids = [e.uuid for e in result] # type: ignore[union-attr] + assert uuids == ["a", "b", "c", "d", "e", "f", "d_prime", "e_prime"] + + def test_node_session_ids_updated(self, tree: SessionTree) -> None: + """MessageNode.session_id is updated for branch nodes.""" + assert tree.nodes["a"].session_id == "s1" + assert tree.nodes["b"].session_id == "s1" + assert tree.nodes["c"].session_id == "s1" + assert tree.nodes["d"].session_id == "s1@d" + assert tree.nodes["e"].session_id == "s1@d" + assert tree.nodes["f"].session_id == "s1@d" + assert tree.nodes["d_prime"].session_id == "s1@d_prime" + assert tree.nodes["e_prime"].session_id == "s1@d_prime" + + def test_traversal_covers_all_entries(self, tree: SessionTree) -> None: + """All 8 entries should appear in traversal.""" + result = traverse_session_tree(tree) + assert len(result) == 8 + + +class TestNestedFork: + """Test nested within-session forks (fork within a fork).""" + + def test_nested_fork(self) -> None: + """Session with fork at b, then nested fork at d within first branch.""" + # a → b (fork) → d (fork) → f, g + # → e + data = [ + { + "type": "user", + "timestamp": "2025-07-01T10:00:00.000Z", + "parentUuid": None, + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s1", + "version": "1.0.0", + "uuid": "a", + "message": { + "role": "user", + "content": [{"type": "text", "text": "Start"}], + }, + }, + { + "type": "assistant", + "timestamp": "2025-07-01T10:01:00.000Z", + "parentUuid": "a", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s1", + "version": "1.0.0", + "uuid": "b", + "requestId": "req_1", + "message": { + "id": "b", + "type": "message", + "role": "assistant", + "model": "claude-3-sonnet", + "content": [{"type": "text", "text": "Fork point 1"}], + "stop_reason": "end_turn", + "usage": {"input_tokens": 10, "output_tokens": 5}, + }, + }, + # Branch 1 from b: c → d (fork) + { + "type": "user", + "timestamp": "2025-07-01T10:02:00.000Z", + "parentUuid": "b", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s1", + "version": "1.0.0", + "uuid": "c", + "message": { + "role": "user", + "content": [{"type": "text", "text": "Branch 1"}], + }, + }, + { + "type": "assistant", + "timestamp": "2025-07-01T10:03:00.000Z", + "parentUuid": "c", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s1", + "version": "1.0.0", + "uuid": "d", + "requestId": "req_2", + "message": { + "id": "d", + "type": "message", + "role": "assistant", + "model": "claude-3-sonnet", + "content": [{"type": "text", "text": "Fork point 2"}], + "stop_reason": "end_turn", + "usage": {"input_tokens": 10, "output_tokens": 5}, + }, + }, + # Nested branch 1a from d + { + "type": "user", + "timestamp": "2025-07-01T10:04:00.000Z", + "parentUuid": "d", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s1", + "version": "1.0.0", + "uuid": "f", + "message": { + "role": "user", + "content": [{"type": "text", "text": "Nested branch 1a"}], + }, + }, + # Nested branch 1b from d + { + "type": "user", + "timestamp": "2025-07-01T10:05:00.000Z", + "parentUuid": "d", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s1", + "version": "1.0.0", + "uuid": "g", + "message": { + "role": "user", + "content": [{"type": "text", "text": "Nested branch 1b"}], + }, + }, + # Branch 2 from b + { + "type": "user", + "timestamp": "2025-07-01T10:06:00.000Z", + "parentUuid": "b", + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": "s1", + "version": "1.0.0", + "uuid": "e", + "message": { + "role": "user", + "content": [{"type": "text", "text": "Branch 2"}], + }, + }, + ] + entries = [create_transcript_entry(d) for d in data] + tree = build_dag_from_entries(entries) + + # Trunk: a, b (stops at fork) + assert tree.sessions["s1"].uuids == ["a", "b"] + + # Branch 1 from b: c, d (stops at nested fork) + branch1_id = "s1@c" + assert branch1_id in tree.sessions + assert tree.sessions[branch1_id].uuids == ["c", "d"] + + # Nested branches from d (within branch 1) + nested1a_id = f"{branch1_id}@f" + nested1b_id = f"{branch1_id}@g" + assert nested1a_id in tree.sessions + assert tree.sessions[nested1a_id].uuids == ["f"] + assert nested1b_id in tree.sessions + assert tree.sessions[nested1b_id].uuids == ["g"] + + # Branch 2 from b + branch2_id = "s1@e" + assert branch2_id in tree.sessions + assert tree.sessions[branch2_id].uuids == ["e"] + + # Traversal + result = traverse_session_tree(tree) + uuids = [e.uuid for e in result] # type: ignore[union-attr] + assert uuids == ["a", "b", "c", "d", "f", "g", "e"] diff --git a/test/test_dag_integration.py b/test/test_dag_integration.py index 5651c7a6..13b57d79 100644 --- a/test/test_dag_integration.py +++ b/test/test_dag_integration.py @@ -613,3 +613,98 @@ def test_synthetic_progress_in_directory_mode(self, tmp_path: Path) -> None: # All 4 real entries should be in DAG order assert uuids == ["a", "b", "c", "d"] + + +# ============================================================================= +# Test: Within-session fork detection in real data +# ============================================================================= + + +class TestWithinSessionForkRealData: + """Test fork detection using real session 03eb5929 which has a fork at eb84.""" + + def test_fork_detected_at_eb84(self) -> None: + """The real data has a fork at eb84 with two children (5270, 9edc).""" + from claude_code_log.dag import build_dag_from_entries + + result = load_directory_transcripts(EXPERIMENTS_IDEAS_DIR, silent=True) + dag_entries = [e for e in result if hasattr(e, "uuid")] + tree = build_dag_from_entries(dag_entries) + + # Find the fork junction at eb84 + fork_jps = [ + (uuid, jp) + for uuid, jp in tree.junction_points.items() + if uuid.startswith("eb84") and any("@" in t for t in jp.target_sessions) + ] + assert len(fork_jps) == 1, ( + f"Expected 1 fork junction at eb84, got {len(fork_jps)}" + ) + uuid, jp = fork_jps[0] + assert len(jp.target_sessions) == 2 + + def test_no_linearity_warnings(self, caplog: Any) -> None: + """Fork handling should produce no linearity violation warnings.""" + import logging + from claude_code_log.dag import build_dag_from_entries + + with caplog.at_level(logging.WARNING, logger="claude_code_log.dag"): + result = load_directory_transcripts(EXPERIMENTS_IDEAS_DIR, silent=True) + dag_entries = [e for e in result if hasattr(e, "uuid")] + build_dag_from_entries(dag_entries) + + linearity_warnings = [ + r.message for r in caplog.records if "linearity" in r.message + ] + assert linearity_warnings == [] + + def test_branch_sessions_created(self) -> None: + """Branch pseudo-sessions are created for the fork.""" + from claude_code_log.dag import build_dag_from_entries + + result = load_directory_transcripts(EXPERIMENTS_IDEAS_DIR, silent=True) + dag_entries = [e for e in result if hasattr(e, "uuid")] + tree = build_dag_from_entries(dag_entries) + + branch_sessions = [sid for sid in tree.sessions if "@" in sid] + assert len(branch_sessions) >= 2 + + for sid in branch_sessions: + dl = tree.sessions[sid] + assert dl.is_branch is True + assert dl.original_session_id is not None + assert len(dl.uuids) > 0 + + def test_end_to_end_rendering_with_fork(self) -> None: + """Full rendering pipeline produces branch headers for fork.""" + from claude_code_log.renderer import generate_template_messages + from claude_code_log.models import SessionHeaderMessage + + result = load_directory_transcripts(EXPERIMENTS_IDEAS_DIR, silent=True) + root_messages, session_nav, ctx = generate_template_messages(result) + + # Find branch headers + branch_headers = [ + tm + for tm in root_messages + if isinstance(tm.content, SessionHeaderMessage) and tm.content.is_branch + ] + assert len(branch_headers) >= 2 + + def test_within_fork_coverage(self) -> None: + """All entries are covered by DAG-lines (trunk + branches).""" + from claude_code_log.dag import build_dag_from_entries + + result = load_directory_transcripts(EXPERIMENTS_IDEAS_DIR, silent=True) + dag_entries = [e for e in result if hasattr(e, "uuid")] + tree = build_dag_from_entries(dag_entries) + + # Should have both trunk and branch pseudo-sessions + real_sessions = [sid for sid in tree.sessions if "@" not in sid] + branch_sessions = [sid for sid in tree.sessions if "@" in sid] + assert len(real_sessions) >= 1 + assert len(branch_sessions) >= 2 + + # All entries should be covered + total_in_daglines = sum(len(dl.uuids) for dl in tree.sessions.values()) + assert total_in_daglines == len(tree.nodes) diff --git a/test/test_data/dag_within_fork.jsonl b/test/test_data/dag_within_fork.jsonl new file mode 100644 index 00000000..c6faf28e --- /dev/null +++ b/test/test_data/dag_within_fork.jsonl @@ -0,0 +1,8 @@ +{"type":"user","timestamp":"2025-07-01T10:00:00.000Z","parentUuid":null,"isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"a","message":{"role":"user","content":[{"type":"text","text":"Hello"}]}} +{"type":"assistant","timestamp":"2025-07-01T10:01:00.000Z","parentUuid":"a","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"b","requestId":"req_1","message":{"id":"b","type":"message","role":"assistant","model":"claude-3-sonnet","content":[{"type":"text","text":"Hi there"}],"stop_reason":"end_turn","usage":{"input_tokens":10,"output_tokens":5}}} +{"type":"user","timestamp":"2025-07-01T10:02:00.000Z","parentUuid":"b","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"c","message":{"role":"user","content":[{"type":"text","text":"Fork point"}]}} +{"type":"user","timestamp":"2025-07-01T10:03:00.000Z","parentUuid":"c","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"d","message":{"role":"user","content":[{"type":"text","text":"Branch 1 start"}]}} +{"type":"assistant","timestamp":"2025-07-01T10:04:00.000Z","parentUuid":"d","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"e","requestId":"req_2","message":{"id":"e","type":"message","role":"assistant","model":"claude-3-sonnet","content":[{"type":"text","text":"Branch 1 reply"}],"stop_reason":"end_turn","usage":{"input_tokens":15,"output_tokens":8}}} +{"type":"user","timestamp":"2025-07-01T10:05:00.000Z","parentUuid":"e","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"f","message":{"role":"user","content":[{"type":"text","text":"Branch 1 end"}]}} +{"type":"user","timestamp":"2025-07-01T10:10:00.000Z","parentUuid":"c","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"d_prime","message":{"role":"user","content":[{"type":"text","text":"Branch 2 start"}]}} +{"type":"assistant","timestamp":"2025-07-01T10:11:00.000Z","parentUuid":"d_prime","isSidechain":false,"userType":"human","cwd":"/tmp","sessionId":"s1","version":"1.0.0","uuid":"e_prime","requestId":"req_3","message":{"id":"e_prime","type":"message","role":"assistant","model":"claude-3-sonnet","content":[{"type":"text","text":"Branch 2 reply"}],"stop_reason":"end_turn","usage":{"input_tokens":15,"output_tokens":8}}} From 04271773c5925e5e54467a0d270c6e00446f804f Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Tue, 17 Feb 2026 19:45:22 +0100 Subject: [PATCH 10/23] Add message previews to fork/branch nav items and headers Branch nav items and headers now show the first user message text instead of opaque IDs. Branch headers truncate at 80 chars for readability. Co-Authored-By: Claude Opus 4.6 --- claude_code_log/renderer.py | 37 +++++++++++++++++++++++++++++++++++-- 1 file changed, 35 insertions(+), 2 deletions(-) diff --git a/claude_code_log/renderer.py b/claude_code_log/renderer.py index c03a29b0..485f95b0 100644 --- a/claude_code_log/renderer.py +++ b/claude_code_log/renderer.py @@ -839,6 +839,23 @@ def prepare_session_navigation( # Add branch pseudo-sessions from hierarchy if session_hierarchy: + # Collect first user message preview for each branch + branch_previews: dict[str, str] = {} + for msg in ctx.messages: + rsid = msg.render_session_id + if rsid in branch_previews or not isinstance(msg.content, UserTextMessage): + continue + hier = session_hierarchy.get(rsid, {}) + if hier.get("is_branch"): + # Extract text from UserTextMessage items + preview_parts = [] + for item in msg.content.items: + if hasattr(item, "text"): + preview_parts.append(item.text) + preview = " ".join(preview_parts).strip() + if preview: + branch_previews[rsid] = create_session_preview(preview) + # Group branches by their junction point (attachment_uuid) junction_branches: dict[str, list[dict[str, Any]]] = {} for sid, hier in session_hierarchy.items(): @@ -906,7 +923,10 @@ def prepare_session_navigation( "first_timestamp": "", "last_timestamp": "", "message_count": 0, - "first_user_message": f"Branch {branch_sid.split('@')[-1][:8]}", + "first_user_message": branch_previews.get( + branch_sid, + f"Branch {branch_sid.split('@')[-1][:8]}", + ), "token_summary": "", "parent_session_id": parent_sid, "parent_message_index": fork_msg_idx, @@ -1944,7 +1964,20 @@ def _render_messages( parent_msg_idx = ctx.session_first_message.get(parent_sid) original_sid = b_hier.get("original_session_id", message.sessionId) branch_summary = (session_summaries or {}).get(original_sid) - branch_title = f"Branch • {branch_sid.split('@')[-1][:8]}" + # Extract preview from the branch's first user message + branch_preview = "" + if as_user_entry(message): + branch_text = extract_text_content(message.message.content) + if branch_text: + branch_preview = create_session_preview(branch_text) + # Truncate for header title (keep full preview for nav) + if branch_preview: + short = branch_preview[:80] + if len(branch_preview) > 80: + short += "..." + branch_title = f"Branch • {short}" + else: + branch_title = f"Branch • {branch_sid.split('@')[-1][:8]}" branch_header_meta = MessageMeta( session_id=branch_sid, From 5f14b23de2c7128366d02d45a529dac4fa1e1d10 Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Tue, 17 Feb 2026 20:10:57 +0100 Subject: [PATCH 11/23] Improve fork/branch presentation with context and visual hierarchy - Fork point nav shows parent message preview (walks past system hooks) - Branch backlinks say "branched from" with fork point context - Branch headers include original session ID for orientation - Branch headers indented 2em to distinguish from true session starts Co-Authored-By: Claude Opus 4.6 --- claude_code_log/html/system_formatters.py | 16 +++- .../templates/components/message_styles.css | 5 ++ .../html/templates/transcript.html | 2 +- claude_code_log/renderer.py | 76 +++++++++++++++++-- test/__snapshots__/test_snapshot_html.ambr | 20 +++++ 5 files changed, 109 insertions(+), 10 deletions(-) diff --git a/claude_code_log/html/system_formatters.py b/claude_code_log/html/system_formatters.py index 7770fdd3..339865ea 100644 --- a/claude_code_log/html/system_formatters.py +++ b/claude_code_log/html/system_formatters.py @@ -89,13 +89,23 @@ def format_session_header_content(content: SessionHeaderMessage) -> str: """ escaped_title = html.escape(content.title) if content.is_branch and content.parent_message_index is not None: - # Branch header: backlink to fork point + # Branch header: backlink to fork point with context + fork_label = "fork point" + if content.parent_session_summary: + escaped_summary = html.escape(content.parent_session_summary) + fork_label = escaped_summary + # Show original session ID for context + orig_id = "" + if content.original_session_id: + orig_id = content.original_session_id[:8] link = ( f'' - f"↳ branch from fork point" + f"↳ branched from {fork_label}" + ) + return ( + f"{orig_id} {link}{escaped_title}" if orig_id else f"{link}{escaped_title}" ) - return f"{link}{escaped_title}" if content.parent_session_id: parent_label = content.parent_session_summary or content.parent_session_id[:8] escaped_parent = html.escape(parent_label) diff --git a/claude_code_log/html/templates/components/message_styles.css b/claude_code_log/html/templates/components/message_styles.css index abdd30c4..be543d42 100644 --- a/claude_code_log/html/templates/components/message_styles.css +++ b/claude_code_log/html/templates/components/message_styles.css @@ -565,6 +565,11 @@ font-size: 1.2em; } +/* Branch headers (within-session forks) — visually subordinate */ +.session-header.branch-header { + margin-left: 2em; +} + .session-subtitle { font-size: 0.9em; color: var(--text-muted); diff --git a/claude_code_log/html/templates/transcript.html b/claude_code_log/html/templates/transcript.html index 4240d4d9..d794ec4d 100644 --- a/claude_code_log/html/templates/transcript.html +++ b/claude_code_log/html/templates/transcript.html @@ -99,7 +99,7 @@

🔍 Search & Filter

{% for message, message_title, html_content, formatted_timestamp in messages %} {% if is_session_header(message) %}
-
+
Session: {{ html_content|safe }}
{% if message.has_children %}
diff --git a/claude_code_log/renderer.py b/claude_code_log/renderer.py index 485f95b0..506e2155 100644 --- a/claude_code_log/renderer.py +++ b/claude_code_log/renderer.py @@ -207,6 +207,11 @@ def is_session_header(self) -> bool: """Check if this message is a session header.""" return isinstance(self.content, SessionHeaderMessage) + @property + def is_branch_header(self) -> bool: + """Check if this is a branch (within-session fork) header.""" + return isinstance(self.content, SessionHeaderMessage) and self.content.is_branch + @property def has_children(self) -> bool: """Check if this message has any children.""" @@ -758,6 +763,48 @@ def prepare_session_summaries(messages: list[TranscriptEntry]) -> dict[str, str] return session_summaries +def _fork_point_preview(fork_msg: "TemplateMessage", ctx: RenderingContext) -> str: + """Get a meaningful preview for a fork point message. + + If the fork point is a system hook (common with /rewind), walk up + to the parent message to find more descriptive content. + """ + msg = fork_msg + # Walk up past system hooks to find a meaningful message + for _ in range(3): # limit walk depth + if not isinstance( + msg.content, (SystemMessage, HookSummaryMessage, SessionHeaderMessage) + ): + break + # Find parent by looking at parent_uuid + parent_uuid = msg.meta.parent_uuid + if not parent_uuid: + break + parent = next((m for m in ctx.messages if m.meta.uuid == parent_uuid), None) + if parent is None: + break + msg = parent + + # Extract text from the found message + content = msg.content + if isinstance(content, AssistantTextMessage): + parts = [item.text for item in content.items if hasattr(item, "text")] + text = " ".join(parts).strip() + elif isinstance(content, UserTextMessage): + parts = [item.text for item in content.items if hasattr(item, "text")] + text = " ".join(parts).strip() + else: + return "" + + if not text: + return "" + # Truncate for nav display + short = text[:80] + if len(text) > 80: + short += "..." + return short + + def prepare_session_navigation( sessions: dict[str, dict[str, Any]], session_order: list[str], @@ -885,13 +932,24 @@ def prepare_session_navigation( ): insert_pos += 1 - # Fork point nav item + # Fork point nav item — find the junction message and a + # meaningful preview (walk up past system hooks to find it) fork_msg_idx = ctx.session_first_message.get(parent_sid) - # Try to find the junction message index from the attachment uuid + fork_preview = "" + fork_msg = None for msg in ctx.messages: if msg.meta.uuid == attachment_uuid and msg.message_index is not None: fork_msg_idx = msg.message_index + fork_msg = msg break + if fork_msg is not None: + fork_preview = _fork_point_preview(fork_msg, ctx) + + fork_label = ( + f"Fork point • {fork_preview}" + if fork_preview + else f"Fork point ({len(branches)} branches)" + ) fork_nav = { "id": f"fork-{attachment_uuid[:12]}", @@ -901,7 +959,7 @@ def prepare_session_navigation( "first_timestamp": "", "last_timestamp": "", "message_count": 0, - "first_user_message": f"Fork point ({len(branches)} branches)", + "first_user_message": fork_label, "token_summary": "", "parent_session_id": parent_sid, "parent_message_index": ctx.session_first_message.get(parent_sid), @@ -1984,15 +2042,21 @@ def _render_messages( timestamp="", uuid="", ) + # Get fork point preview for backlink text + fork_context = "" + if attachment_uuid: + for fmsg in ctx.messages: + if fmsg.meta.uuid == attachment_uuid: + fork_context = _fork_point_preview(fmsg, ctx) + break + branch_header_content = SessionHeaderMessage( branch_header_meta, title=branch_title, session_id=branch_sid, summary=branch_summary, parent_session_id=parent_sid, - parent_session_summary=(session_summaries or {}).get(parent_sid) - if parent_sid - else None, + parent_session_summary=fork_context or None, parent_message_index=parent_msg_idx, depth=b_hier.get("depth", 0), attachment_uuid=b_hier.get("attachment_uuid"), diff --git a/test/__snapshots__/test_snapshot_html.ambr b/test/__snapshots__/test_snapshot_html.ambr index 765b66f5..4c7e2469 100644 --- a/test/__snapshots__/test_snapshot_html.ambr +++ b/test/__snapshots__/test_snapshot_html.ambr @@ -2781,6 +2781,11 @@ font-size: 1.2em; } + /* Branch headers (within-session forks) — visually subordinate */ + .session-header.branch-header { + margin-left: 2em; + } + .session-subtitle { font-size: 0.9em; color: var(--text-muted); @@ -7840,6 +7845,11 @@ font-size: 1.2em; } + /* Branch headers (within-session forks) — visually subordinate */ + .session-header.branch-header { + margin-left: 2em; + } + .session-subtitle { font-size: 0.9em; color: var(--text-muted); @@ -12996,6 +13006,11 @@ font-size: 1.2em; } + /* Branch headers (within-session forks) — visually subordinate */ + .session-header.branch-header { + margin-left: 2em; + } + .session-subtitle { font-size: 0.9em; color: var(--text-muted); @@ -18207,6 +18222,11 @@ font-size: 1.2em; } + /* Branch headers (within-session forks) — visually subordinate */ + .session-header.branch-header { + margin-left: 2em; + } + .session-subtitle { font-size: 0.9em; color: var(--text-muted); From d656d2b777c9276860938178293f4e9f88d39940 Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Wed, 18 Feb 2026 19:03:12 +0100 Subject: [PATCH 12/23] Fix false forks from context compaction replays and tool-result side-branches MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Context compaction replays created hundreds of false branch pseudo-sessions (573 in clmail project) because replayed entries share the same parentUuid but get new UUIDs. Tool-result entries from parallel tool calls also created false forks by pointing back to their tool_use parent alongside the next tool_use in the chain. Two detection heuristics in _walk_session_with_forks(): - Compaction replays: same-timestamp children → follow first, skip rest - Tool-result stitching: dead-end User + single Assistant continuation → stitch into linear chain Also: orphan promotion (dangling parentUuid → root), multi-root walking with trunk merging, and coverage tracking that excludes skipped replays. Result on clmail project: 573 → 56 branches, 207 → 29 junction points. Co-Authored-By: Claude Opus 4.6 --- claude_code_log/dag.py | 161 ++++++++++++++++++++++++++++++++++++----- dev-docs/dag.md | 53 +++++++++++++- test/test_dag.py | 138 +++++++++++++++++++++++++++++++++++ 3 files changed, 333 insertions(+), 19 deletions(-) diff --git a/claude_code_log/dag.py b/claude_code_log/dag.py index 478de3bb..048ad6b0 100644 --- a/claude_code_log/dag.py +++ b/claude_code_log/dag.py @@ -14,6 +14,8 @@ TranscriptEntry, SummaryTranscriptEntry, QueueOperationTranscriptEntry, + UserTranscriptEntry, + AssistantTranscriptEntry, ) logger = logging.getLogger(__name__) @@ -147,10 +149,14 @@ def build_dag(nodes: dict[str, MessageNode]) -> None: parent.children_uuids.append(node.uuid) else: logger.warning( - "Orphan node %s: parentUuid %s not found in loaded data", + "Orphan node %s: parentUuid %s not found in loaded data" + " (promoting to root)", node.uuid, node.parent_uuid, ) + # Clear the dangling parent so this node becomes a root + # and can participate in DAG walks + node.parent_uuid = None # Validate: no cycles (walk parent chain for each node) for node in nodes.values(): @@ -172,12 +178,75 @@ def build_dag(nodes: dict[str, MessageNode]) -> None: # ============================================================================= +def _collect_descendants( + uuid: str, + session_uuids: set[str], + nodes: dict[str, MessageNode], + result: set[str], +) -> None: + """Recursively collect a node and all its same-session descendants.""" + if uuid in result: + return + result.add(uuid) + node = nodes.get(uuid) + if node is None: + return + for child in node.children_uuids: + if child in session_uuids: + _collect_descendants(child, session_uuids, nodes, result) + + +def _stitch_tool_results( + children: list[str], + session_uuids: set[str], + nodes: dict[str, MessageNode], +) -> Optional[list[str]]: + """Detect and stitch tool-result side-branches into a linear chain. + + When the assistant makes multiple tool calls in one turn, the JSONL + records both the next tool_use and the tool_result as children of the + current tool_use entry, creating a false fork. Pattern: + + A(tool_use) → U(tool_result) [dead-end side-branch] + → A(next tool_use) [main chain continues] + + This function detects the pattern and returns a stitched ordering + [U(result), A(next)] so the caller can extend the chain linearly. + Returns None if the pattern doesn't match. + """ + # Separate into user (tool_result) and assistant (continuation) children + user_children = [ + c for c in children if isinstance(nodes[c].entry, UserTranscriptEntry) + ] + assistant_children = [ + c for c in children if isinstance(nodes[c].entry, AssistantTranscriptEntry) + ] + + if not user_children or not assistant_children: + return None # Not the tool_result pattern + + # Verify user children are dead ends (no same-session descendants) + for uc in user_children: + unode = nodes[uc] + if any(c in session_uuids for c in unode.children_uuids): + return None # User child has continuation — not a dead end + + # All assistant children must form a single continuation chain + if len(assistant_children) != 1: + return None # Multiple assistant continuations — ambiguous + + # Stitch: user results first (sorted by timestamp), then the + # single assistant continuation + user_children.sort(key=lambda c: nodes[c].timestamp) + return user_children + assistant_children + + def _walk_session_with_forks( root: MessageNode, session_id: str, session_uuids: set[str], nodes: dict[str, MessageNode], -) -> list[SessionDAGLine]: +) -> tuple[list[SessionDAGLine], set[str]]: """Walk a session's DAG from root, splitting into separate DAG-lines at fork points. Uses a queue-based approach to handle nested forks: @@ -188,11 +257,13 @@ def _walk_session_with_forks( 4. Update MessageNode.session_id for branch nodes Returns: - List of SessionDAGLine objects (trunk first, then branches) + Tuple of (DAG-line list, set of UUIDs intentionally skipped as + compaction replays). """ # Queue entries: (start_uuid, dag_line_id, parent_dag_line_id) queue: list[tuple[str, str, Optional[str]]] = [(root.uuid, session_id, None)] result: list[SessionDAGLine] = [] + skipped: set[str] = set() # Compaction replay UUIDs while queue: start_uuid, line_id, parent_line_id = queue.pop(0) @@ -215,13 +286,39 @@ def _walk_session_with_forks( elif len(same_session_children) == 1: current = nodes[same_session_children[0]] else: - # Fork point: stop chain here, push each child as a branch - # Sort children chronologically for deterministic order + # Multiple same-session children. Distinguish real forks + # from artifacts (see dev-docs/dag.md caveats). same_session_children.sort(key=lambda c: nodes[c].timestamp) - for child_uuid in same_session_children: - branch_id = f"{line_id}@{child_uuid[:12]}" - queue.append((child_uuid, branch_id, line_id)) - current = None + + stitched = _stitch_tool_results( + same_session_children, session_uuids, nodes + ) + if stitched is not None: + # Tool-result side-branches were stitched into the + # chain. Extend chain and continue with the tail. + if is_branch: + for su in stitched[:-1]: + nodes[su].session_id = line_id + chain.extend(stitched[:-1]) + current = nodes[stitched[-1]] + else: + unique_timestamps = { + nodes[c].timestamp for c in same_session_children + } + if len(unique_timestamps) == 1: + # Same timestamp = compaction replay: follow only + # the first child (original chain), skip replays + # and all their descendants. + current = nodes[same_session_children[0]] + for sc in same_session_children[1:]: + _collect_descendants(sc, session_uuids, nodes, skipped) + else: + # Different timestamps = real fork (rewind). + # Stop chain here, push each child as a branch. + for child_uuid in same_session_children: + branch_id = f"{line_id}@{child_uuid[:12]}" + queue.append((child_uuid, branch_id, line_id)) + current = None if chain: first_ts = nodes[chain[0]].timestamp @@ -239,7 +336,7 @@ def _walk_session_with_forks( dag_line.attachment_uuid = parent_uuid result.append(dag_line) - return result + return result, skipped def extract_session_dag_lines( @@ -284,21 +381,34 @@ def extract_session_dag_lines( ) continue + # Sort roots by timestamp (earliest first = primary root) + roots.sort(key=lambda n: n.timestamp) if len(roots) > 1: - # Multiple roots - pick the earliest by timestamp - roots.sort(key=lambda n: n.timestamp) logger.warning( - "Session %s: %d roots found, using earliest (%s)", + "Session %s: %d roots found, walking all from earliest (%s)", session_id, len(roots), roots[0].uuid, ) - # Walk with fork detection - dag_lines = _walk_session_with_forks(roots[0], session_id, session_uuids, nodes) + # Walk from ALL roots to maximize coverage (orphan-promoted roots + # create disconnected subtrees that must each be walked) + dag_lines: list[SessionDAGLine] = [] + walked_uuids: set[str] = set() + skipped_uuids: set[str] = set() + for root in roots: + if root.uuid in walked_uuids: + continue + root_lines, root_skipped = _walk_session_with_forks( + root, session_id, session_uuids, nodes + ) + for dl in root_lines: + walked_uuids.update(dl.uuids) + skipped_uuids.update(root_skipped) + dag_lines.extend(root_lines) - # Check coverage: all session nodes should be in some DAG-line - covered = sum(len(dl.uuids) for dl in dag_lines) + # Check coverage: walked + intentionally skipped (compaction replays) + covered = len(walked_uuids) + len(skipped_uuids) if covered < len(snodes): logger.warning( "Session %s: DAG walk covers %d of %d nodes, " @@ -314,7 +424,22 @@ def extract_session_dag_lines( first_timestamp=sorted_nodes[0].timestamp, ) else: - for dag_line in dag_lines: + # Merge non-branch DAG-lines that share the same session_id + # (happens when multiple roots exist due to orphan promotion) + trunk_lines = [dl for dl in dag_lines if dl.session_id == session_id] + branch_lines = [dl for dl in dag_lines if dl.session_id != session_id] + if trunk_lines: + # Merge all trunk lines into one, ordered by first_timestamp + trunk_lines.sort(key=lambda dl: dl.first_timestamp) + merged_uuids: list[str] = [] + for tl in trunk_lines: + merged_uuids.extend(tl.uuids) + sessions[session_id] = SessionDAGLine( + session_id=session_id, + uuids=merged_uuids, + first_timestamp=trunk_lines[0].first_timestamp, + ) + for dag_line in branch_lines: sessions[dag_line.session_id] = dag_line return sessions diff --git a/dev-docs/dag.md b/dev-docs/dag.md index 2f43ec07..36b8c692 100644 --- a/dev-docs/dag.md +++ b/dev-docs/dag.md @@ -231,12 +231,63 @@ boundaries. This is both correct and faster. --- +## Caveats + +### Context Compaction Replays + +When Claude Code compacts context (inserting a `SummaryTranscriptEntry`), it +**replays** the conversation from a certain point with **new UUIDs** but the +**same `parentUuid` and timestamp** as the original entries. This creates +multiple same-session children from a single parent — structurally identical +to a user rewind (fork), but semantically a replay. + +**Distinguishing heuristic**: timestamps. + +- **Real fork (rewind)**: the user goes back and types a new message at a + different time → children have **different** timestamps. +- **Compaction replay**: the system re-emits the same turn → children share + the **same** timestamp as the original. + +When `_walk_session_with_forks()` encounters a node with multiple same-session +children that all share the same timestamp, it follows only the **first** +child (the original chain) and ignores the later replay chains. This avoids +creating hundreds of false branch pseudo-sessions in long-running sessions +with frequent compaction. + +The heuristic is validated on real data: across all fork points, forks +partition cleanly into same-timestamp (compaction) vs different-timestamp +(rewind) groups, with no mixed cases observed. + +### Tool-Result Side-Branches + +When the assistant makes **multiple tool calls** in one turn, the JSONL +records both the next `tool_use` and the previous `tool_result` as children +of the same parent entry: + +``` +A(tool_use₁) → U(tool_result₁) [dead-end side-branch] + → A(tool_use₂) [main chain continues] +``` + +This creates a false fork at each multi-tool-call point. The fix +(`_stitch_tool_results()`) detects the pattern — User (dead-end) + Assistant +(continuation) children — and stitches the tool results into the main chain: +`A(tool_use₁) → U(tool_result₁) → A(tool_use₂) → ...` + +Detection criteria: +- At least one User child and exactly one Assistant child +- All User children are dead ends (no same-session descendants) +- User children are tool_result entries inserted before the continuation + +--- + ## Assertions / Invariants These should be checked at runtime (log warnings, don't crash): 1. **Session linearity**: Each session's messages form a single chain - (no branching within a `sessionId`) + (no branching within a `sessionId`), except for explicit user rewinds + which create within-session forks rendered as branch pseudo-sessions 2. **DAG acyclicity**: No cycles in `parentUuid` chains 3. **Unique ownership**: After deduplication, each `uuid` belongs to exactly one session diff --git a/test/test_dag.py b/test/test_dag.py index d3ec46d1..dbced621 100644 --- a/test/test_dag.py +++ b/test/test_dag.py @@ -943,3 +943,141 @@ def test_nested_fork(self) -> None: result = traverse_session_tree(tree) uuids = [e.uuid for e in result] # type: ignore[union-attr] assert uuids == ["a", "b", "c", "d", "f", "g", "e"] + + +def _make_entry( + etype: str, + uuid: str, + parent: str | None, + ts: str, + session: str = "s1", + text: str = "", +) -> dict: + """Helper to build a minimal transcript entry dict.""" + base = { + "type": etype, + "timestamp": ts, + "parentUuid": parent, + "isSidechain": False, + "userType": "human", + "cwd": "/tmp", + "sessionId": session, + "version": "1.0.0", + "uuid": uuid, + } + if etype == "user": + base["message"] = { + "role": "user", + "content": [{"type": "text", "text": text or uuid}], + } + elif etype == "assistant": + base["requestId"] = f"req_{uuid}" + base["message"] = { + "id": uuid, + "type": "message", + "role": "assistant", + "model": "claude-3-sonnet", + "content": [{"type": "text", "text": text or uuid}], + "stop_reason": "end_turn", + "usage": {"input_tokens": 10, "output_tokens": 5}, + } + elif etype == "system": + base["message"] = {"content": []} + return base + + +class TestCompactionReplay: + """Context compaction replays should not create branches.""" + + def test_same_timestamp_children_not_forked(self) -> None: + """Multiple children with identical timestamps are compaction replays.""" + # a → sys → replay1, replay2, replay3 (all same ts) + data = [ + _make_entry("user", "a", None, "2025-07-01T10:00:00.000Z"), + _make_entry("system", "sys", "a", "2025-07-01T10:01:00.000Z"), + _make_entry("assistant", "r1", "sys", "2025-07-01T10:02:00.000Z"), + _make_entry("assistant", "r2", "sys", "2025-07-01T10:02:00.000Z"), + _make_entry("assistant", "r3", "sys", "2025-07-01T10:02:00.000Z"), + ] + entries = [create_transcript_entry(d) for d in data] + tree = build_dag_from_entries(entries) + + # Should be a single linear session, no branches + assert "s1" in tree.sessions + assert tree.sessions["s1"].uuids == ["a", "sys", "r1"] + branch_count = sum(1 for s in tree.sessions.values() if s.is_branch) + assert branch_count == 0 + + def test_different_timestamps_create_branches(self) -> None: + """Children with different timestamps are real forks (rewinds).""" + data = [ + _make_entry("user", "a", None, "2025-07-01T10:00:00.000Z"), + _make_entry("assistant", "b", "a", "2025-07-01T10:01:00.000Z"), + _make_entry("user", "c", "b", "2025-07-01T10:02:00.000Z"), + _make_entry("user", "d", "b", "2025-07-01T10:05:00.000Z"), + ] + entries = [create_transcript_entry(d) for d in data] + tree = build_dag_from_entries(entries) + + # Trunk stops at b, two branches + assert tree.sessions["s1"].uuids == ["a", "b"] + branch_count = sum(1 for s in tree.sessions.values() if s.is_branch) + assert branch_count == 2 + + +class TestToolResultStitching: + """Tool-result side-branches should be stitched into the main chain.""" + + def test_single_tool_result_stitched(self) -> None: + """A(tool_use) → U(result) + A(next) should become linear.""" + # a → tool_use → tool_result (dead end) + next_assistant + data = [ + _make_entry("user", "a", None, "2025-07-01T10:00:00.000Z"), + _make_entry("assistant", "tool1", "a", "2025-07-01T10:01:00.000Z"), + _make_entry("user", "result1", "tool1", "2025-07-01T10:01:00.100Z"), + _make_entry("assistant", "tool2", "tool1", "2025-07-01T10:01:00.200Z"), + ] + entries = [create_transcript_entry(d) for d in data] + tree = build_dag_from_entries(entries) + + # Should be linear: a → tool1 → result1 → tool2 + assert tree.sessions["s1"].uuids == ["a", "tool1", "result1", "tool2"] + branch_count = sum(1 for s in tree.sessions.values() if s.is_branch) + assert branch_count == 0 + + def test_multiple_tool_results_stitched(self) -> None: + """Multiple parallel tool_use with results should all be stitched.""" + # a → tool1 → result1 (dead end) + result2 (dead end) + tool2 + data = [ + _make_entry("user", "a", None, "2025-07-01T10:00:00.000Z"), + _make_entry("assistant", "tool1", "a", "2025-07-01T10:01:00.000Z"), + _make_entry("user", "res1", "tool1", "2025-07-01T10:01:00.100Z"), + _make_entry("user", "res2", "tool1", "2025-07-01T10:01:00.150Z"), + _make_entry("assistant", "tool2", "tool1", "2025-07-01T10:01:00.200Z"), + ] + entries = [create_transcript_entry(d) for d in data] + tree = build_dag_from_entries(entries) + + # Should be linear: a → tool1 → res1 → res2 → tool2 + assert tree.sessions["s1"].uuids == ["a", "tool1", "res1", "res2", "tool2"] + branch_count = sum(1 for s in tree.sessions.values() if s.is_branch) + assert branch_count == 0 + + def test_user_child_with_descendants_not_stitched(self) -> None: + """If the user child has descendants, it's not a dead-end + tool result — treat as a real fork.""" + data = [ + _make_entry("user", "a", None, "2025-07-01T10:00:00.000Z"), + _make_entry("assistant", "b", "a", "2025-07-01T10:01:00.000Z"), + _make_entry("user", "c", "b", "2025-07-01T10:02:00.000Z"), + _make_entry("assistant", "d", "b", "2025-07-01T10:03:00.000Z"), + # c has a descendant — it's NOT a dead end + _make_entry("assistant", "e", "c", "2025-07-01T10:04:00.000Z"), + ] + entries = [create_transcript_entry(d) for d in data] + tree = build_dag_from_entries(entries) + + # Should be a fork at b with two branches + assert tree.sessions["s1"].uuids == ["a", "b"] + branch_count = sum(1 for s in tree.sessions.values() if s.is_branch) + assert branch_count == 2 From b7fb95dfccac5ebb1d941c8623b64f276fa4aa57 Mon Sep 17 00:00:00 2001 From: Christian Boos Date: Thu, 19 Feb 2026 16:51:24 +0100 Subject: [PATCH 13/23] Add debug UUID toggle to show uuid/parentUuid on each message MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Adds a small "uuid" button in the floating button stack that toggles display of truncated uuid → parentUuid on every message, useful for analyzing DAG structure and diagnosing spurious forks. Co-Authored-By: Claude Opus 4.6 --- .../templates/components/global_styles.css | 15 ++ .../templates/components/message_styles.css | 14 ++ .../html/templates/transcript.html | 9 + test/__snapshots__/test_snapshot_html.ambr | 211 ++++++++++++++++++ 4 files changed, 249 insertions(+) diff --git a/claude_code_log/html/templates/components/global_styles.css b/claude_code_log/html/templates/components/global_styles.css index eed4503c..f47a393f 100644 --- a/claude_code_log/html/templates/components/global_styles.css +++ b/claude_code_log/html/templates/components/global_styles.css @@ -230,6 +230,21 @@ pre { bottom: 200px; } +.debug-toggle.floating-btn { + bottom: 260px; + border-radius: 6px; + width: 38px; + height: 28px; + font-size: 0.65em; + font-family: 'SFMono-Regular', Consolas, monospace; + font-weight: 600; +} + +.debug-toggle.floating-btn.active { + background-color: #d4e8f7; + color: #333; +} + @media (max-width: 1280px) { .header > span:first-child { flex: auto; diff --git a/claude_code_log/html/templates/components/message_styles.css b/claude_code_log/html/templates/components/message_styles.css index be543d42..fb8cb83b 100644 --- a/claude_code_log/html/templates/components/message_styles.css +++ b/claude_code_log/html/templates/components/message_styles.css @@ -897,6 +897,20 @@ details summary { .ansi-bg-cyan { background-color: #11a8cd; } .ansi-bg-white { background-color: #e5e5e5; } +/* Debug UUID info */ +.debug-info { + display: none; + font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace; + font-size: 0.7em; + color: #999; + padding: 2px 0; + letter-spacing: 0.02em; +} + +.show-debug-info .debug-info { + display: block; +} + /* Bright background colors */ .ansi-bg-bright-black { background-color: #666666; } .ansi-bg-bright-red { background-color: #f14c4c; } diff --git a/claude_code_log/html/templates/transcript.html b/claude_code_log/html/templates/transcript.html index d794ec4d..f3deea51 100644 --- a/claude_code_log/html/templates/transcript.html +++ b/claude_code_log/html/templates/transcript.html @@ -141,6 +141,7 @@

🔍 Search & Filter

{% endif %}
+ {% if message.meta %}
{{ message.meta.uuid[:12] }}{% if message.meta.parent_uuid %} → {{ message.meta.parent_uuid[:12] }}{% endif %}
{% endif %}
{{ html_content | safe }}
{% if message.junction_forward_links %}
@@ -177,6 +178,7 @@

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