chore: cleanup and improvements

- Remove stale test fixtures in scripts/testing/
- Add 49 tests for Sweep feature (server, client, prompt builder)
- Internalize auto-capture command to pure TypeScript (no shell script)
- Update CLAUDE.md and docs with new capture/restore commands

Author: jonathanpeterwu

CLAUDE.md

@@ -49,6 +49,10 @@ npm run lint:fix       # Auto-fix lint issues
 npm test               # Run Vitest (watch)
 npm run test:run       # Run tests once
 npm run linear:sync    # Sync with Linear
+
+# StackMemory CLI
+stackmemory capture    # Save session state for handoff
+stackmemory restore    # Restore from captured state
 ```
 
 ## Working Directory

docs/releases/v0.3.2-features.md

@@ -62,8 +62,8 @@ Structured workflow templates for common development patterns.
 Generates comprehensive handoff documents for session continuity.
 
 #### Commands:
-- `stackmemory handoff --generate` - Create handoff document
-- `stackmemory handoff --load` - Load most recent handoff
+- `stackmemory capture` - Create handoff document (alias: `stackmemory handoff --generate`)
+- `stackmemory restore` - Load most recent handoff (alias: `stackmemory handoff --load`)
 - `stackmemory handoff --show` - Display handoff markdown
 - `stackmemory handoff --list` - List all handoffs
 - `stackmemory handoff --auto` - Enable auto-generation on idle
@@ -108,7 +108,7 @@ stackmemory workflow --start feature
 stackmemory clear --status
 
 # Before taking a break, generate handoff
-stackmemory handoff --generate
+stackmemory capture
 
 # If context gets full, save ledger
 stackmemory clear --save
@@ -118,7 +118,7 @@ stackmemory clear --save
 stackmemory clear --restore
 
 # When returning to work, load handoff
-stackmemory handoff --load
+stackmemory restore
 
 # Continue workflow
 stackmemory workflow --transition