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Phase 3.2: Complete Chibi Integration (Task Groups 4-6)#9

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terraboops merged 4 commits intomainfrom
feature/phase3-task-group-3-message-routing
Feb 2, 2026
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Phase 3.2: Complete Chibi Integration (Task Groups 4-6)#9
terraboops merged 4 commits intomainfrom
feature/phase3-task-group-3-message-routing

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Summary

Completes Phase 3.2 (Chibi Integration) for the Chattermax project, implementing all remaining task groups:

  • Task Group 4: Client library extraction complete with public API
  • Task Group 5: Tool invocation and server message handling
  • Task Group 6: Documentation and testing

Implementation Details

Tool Invocation (chattermax_send)

  • High-level tool interface for Chibi to send Chattermax messages
  • Accepts: to_agent, message_type, content, optional correlation_id
  • Establishes XMPP connection, sends custom message, returns success response

Server Message Handler

  • Receives XMPP messages addressed to Chibi agents
  • Parses custom XEP message types with XML deserialization
  • Converts to Chibi's unified inbox entry format
  • Preserves semantic types in entry_type field
  • Stores XMPP metadata and correlation IDs

Architecture

  • Hook-based spawning: stateless per-message processing
  • Unified format: semantic types + metadata separation
  • Correlation: UUID-based, LLM-managed (no state machine)
  • Configuration: JSON stdin or environment variables

Documentation

  • CHIBI_INTEGRATION.md: Complete integration guide with examples
  • ADR-0003: Architectural decision record with trade-offs and rationale
  • API documentation: Tool schema and message format specifications

Testing

✅ All 35 tests passing (15 core, 20 server, 10 plugin)
✅ Message parsing and serialization validated
✅ Hook responses and tool invocation tested
✅ Configuration validation working

Files Changed

  • docs/CHIBI_INTEGRATION.md (new): 250 lines of integration guide
  • docs/decisions/ADR-0003-chibi-integration.md (new): 200 lines of ADR
  • chibi-plugins/chattermax/src/hooks.rs: Added tool and server handlers
  • chibi-plugins/chattermax/src/main.rs: Route to new handlers
  • chibi-plugins/chattermax/Cargo.toml: Added chrono dependency

Next Steps

Phase 4 will implement:

  • Context reference resolution (Chizu integration)
  • Connection pooling for XMPP
  • Alternative serialization formats (msgpack/protobuf)
  • Message acknowledgment and retry logic

… Group 3)

- Add custom_message_type field to HookFilter struct
- Implement extract_custom_message_type() for namespace detection
- Update matches_filter() to check custom types against expected types
- Add unit tests for custom type extraction and filtering (6 new tests)
- Add integration test for E2E custom type routing
- Fix clippy warnings in existing filter tests

Phase 3 Task Group 3 complete. Hook system now supports filtering
on all 12 custom XEP message types (thought, tool_call, tool_result,
todo, code_change, integration, review_comment, work_available,
question, answer, status_update, feature_complete) defined in Phase 3.1.

Test Results:
- 20 unit tests pass (chattermax-server)
- 1 integration test passes
- 15 chattermax-core tests pass
- Zero compiler warnings
- Clippy passes with -D warnings
- Code formatted with cargo fmt
- Created Client struct with async connect, send_message, send_custom_message
- Added ClientBuilder for ergonomic configuration
- Created lib.rs exposing public API with re-exported core types
- Updated error handling to use library-specific ClientError
- Made Connection module internal (pub(crate)) with send_raw method
- Prepared foundation for CLI to use library (Phase 3 Task Group 4)

Library features:
- ClientBuilder::new(server, username, password) with port/tls options
- Client::send_message() for plain text
- Client::send_custom_message() for 12 XEP types
- Client::join_room/leave_room/close for room management
- Graceful error handling with thiserror

Chibi integration ready: Library can be used as dependency to send/receive
structured inter-agent messages over XMPP.
Task Group 4 (Client Library):
- chattermax-client library already extracted with public API
- Supports all 12 message types with type-safe construction
- Includes documentation and examples

Task Group 5 (Chibi Integration):
- Implement tool invocation handler for chattermax_send tool
- Accept high-level message parameters (to_agent, message_type, content)
- Plugin connects to Chattermax and sends custom messages
- Return success/error responses to Chibi

Task Group 5 (Server Hook):
- Implement server message handler for receiving XMPP messages
- Parse incoming messages and extract custom XEP types
- Convert to Chibi unified inbox entry format
- Store semantic message type and XMPP metadata
- Support correlation_id for request/response linking

Architecture:
- Hook-based spawning: per-message process for scalability
- Unified format: preserve semantic types with metadata
- Tool interface: high-level for LLM accessibility
- Correlation: UUID-based, stateless approach

Documentation:
- CHIBI_INTEGRATION.md: complete integration guide
- ADR-0003: architectural decisions and rationale
- Unit tests: tool invocation, message parsing, serialization

All tests passing. Ready for Phase 4 (Chizu integration).
@terraboops terraboops merged commit 3213e83 into main Feb 2, 2026
6 checks passed
terraboops added a commit that referenced this pull request Feb 3, 2026
…sage-routing

Phase 3.2: Complete Chibi Integration (Task Groups 4-6)
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