nexus/.planning/phases/23-brainstormer-flow/23-01-SUMMARY.md
Nexus Dev 1fe00d1798 docs(23-01): complete chat service extension plan — handoff + status-update routes
- Add 23-01-SUMMARY.md with accomplishments and commit hashes
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2026-04-04 03:55:48 +00:00

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---
phase: 23-brainstormer-flow
plan: "01"
subsystem: api, chat-service
tags: [express, drizzle, chat, handoff, issue-creation, system-messages]
dependency_graph:
requires:
- phase: 23-00
provides: messageType column in chat_messages, handoffSchema validator
- phase: 21-chat-foundation
provides: chatService, chatRoutes, addMessage, getConversation
provides:
- addSystemMessage helper in chatService
- messageType support in addMessage
- POST /conversations/:id/handoff route
- POST /conversations/:id/status-update route
affects:
- server/src/services/chat.ts
- server/src/routes/chat.ts
tech_stack:
added: []
patterns:
- addSystemMessage encapsulates system-role message insertion with typed messageType
- handoff route creates 3 artifacts atomically (handoff msg, issue, task_created msg)
- companyId resolved from conversation row — not passed in request body
key_files:
created:
- server/src/services/chat.ts
- server/src/routes/chat.ts
modified: []
decisions:
- "Import issueService from ../services/issues.js directly (not via index.js) — matches plan guidance and local instantiation pattern used in heartbeat.ts"
- "issueSvc instantiated inside chatRoutes(db) — option (a) from plan, simplest approach"
- "Handoff content uses arrow character (→) in system message; spec fields assembled into markdown description"
requirements-completed: [AGENT-03, AGENT-06, AGENT-07, CHAT-09]
metrics:
duration: "8 minutes"
completed_date: "2026-04-01"
tasks_completed: 2
files_changed: 2
---
# Phase 23 Plan 01: Chat Service Extension — handoff + status-update Routes Summary
**Extended chatService with addSystemMessage helper and messageType support, and added POST handoff and status-update routes that insert typed system messages and create issues from brainstormer specs.**
## Tasks Completed
| Task | Name | Commit | Files |
|------|------|--------|-------|
| 1 | Extend chat service with messageType support and addSystemMessage | 0a1b3dc0 | server/src/services/chat.ts |
| 2 | Add handoff and status-update routes | 241e418a | server/src/routes/chat.ts |
## Verification
- `pnpm exec tsc --noEmit -p server/tsconfig.json` passes for chat files (pre-existing plugin-sdk errors unrelated)
- `pnpm vitest run` — same failures as baseline (6 pre-existing, none new)
- All 5 acceptance criteria pass for both tasks
## Deviations from Plan
None — plan executed exactly as written.
## Known Stubs
None — both routes are fully implemented. The `streamEcho` stub in chatService is pre-existing from Phase 22 (to be replaced with real LLM adapter in a future phase).
## Self-Check: PASSED