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dev/docs/maintenance
James PeterandHanzo Dev 584fe44ee0 docs: add comprehensive session summary for 2025-10-06
Created detailed summary document capturing all work completed during
the Phase 1 cleanup session.

Session Achievements:
- Completed Phase 1-3: Baseline & Tooling, Crate Adoption, Fork Cleanup
- Removed 35,000 lines of legacy test code (106 files)
- Adopted upstream crates (mcp-client, responses-api-proxy)
- Audited feature flags and module usage (all active, no dead code)
- Documented test scaffolding patterns (ChatWidgetHarness)
- Created 5 new migration/maintenance documentation files

Metrics Summary:
- Test files: 205 → 99 (-52%)
- Test code lines: 46,300 → 11,300 (-76%)
- Orphaned modules: 6 → 0 (100% removed)
- Build time: 1m 30s (no regression)
- Documentation: 5 new comprehensive guides

Commits Created (4):
1. Legacy test retirement and upstream crate adoption
2. Feature flag and module audit completion
3. Test scaffolding patterns documentation
4. Roadmap update with completion status

Next Steps Identified:
- Checkout upstream to codex-rs/ for test porting
- Begin Phase 2: Port 6 critical core runtime tests
- Begin Phase 3: Port 3 TUI rendering tests
- Expand smoke test coverage using documented patterns

Status: Phase 1 Complete ✅ | Phase 2-4 Ready 🔄 | Upstream Checkout Needed 📋

Session captured all deliverables, metrics, lessons learned, and blockers
for future reference and continuity.

Co-authored-by: Hanzo Dev <[email protected]>
2025-10-06 05:25:36 +10:00
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