From 252dc9a814a7608861fe34a5d869d5e014554969 Mon Sep 17 00:00:00 2001 From: Mikkel Georgsen Date: Wed, 1 Apr 2026 13:04:25 +0200 Subject: [PATCH] =?UTF-8?q?docs(21-01):=20complete=20chat=20foundation=20p?= =?UTF-8?q?lan=20=E2=80=94=20schema,=20types,=20service,=20routes?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit - 24 tests passing (service + routes) - 9 new files created, 6 modified - Requirements HIST-01, HIST-05, HIST-06, CHAT-04, CHAT-05, CHAT-06 marked complete Co-Authored-By: Paperclip --- .../21-chat-foundation/21-01-SUMMARY.md | 105 ++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 .planning/phases/21-chat-foundation/21-01-SUMMARY.md diff --git a/.planning/phases/21-chat-foundation/21-01-SUMMARY.md b/.planning/phases/21-chat-foundation/21-01-SUMMARY.md new file mode 100644 index 00000000..3f8fb0e9 --- /dev/null +++ b/.planning/phases/21-chat-foundation/21-01-SUMMARY.md @@ -0,0 +1,105 @@ +--- +phase: 21-chat-foundation +plan: 01 +subsystem: chat-api +tags: [db-schema, rest-api, drizzle, service-layer, tdd] +dependency_graph: + requires: [] + provides: + - chat_conversations Drizzle table and migration + - chat_messages Drizzle table and migration + - ChatConversation and ChatMessage TypeScript interfaces + - createConversationSchema, updateConversationSchema, createMessageSchema Zod validators + - chatService factory with full CRUD + - chatRoutes factory with 11 REST endpoints + affects: + - packages/db (new schema tables) + - packages/shared (new types + validators) + - server (new service + routes + app mounting) +tech_stack: + added: + - Drizzle ORM schema for chat_conversations and chat_messages + patterns: + - Factory function service pattern (chatService(db)) + - Factory function route pattern (chatRoutes(db)) + - Cursor-based pagination (updatedAt DESC) + - Auto-title on first message (idempotent: WHERE title IS NULL) +key_files: + created: + - packages/db/src/schema/chat_conversations.ts + - packages/db/src/schema/chat_messages.ts + - packages/db/src/migrations/0047_fixed_johnny_storm.sql + - packages/shared/src/types/chat.ts + - packages/shared/src/validators/chat.ts + - server/src/services/chat.ts + - server/src/routes/chat.ts + - server/src/__tests__/chat-service.test.ts + - server/src/__tests__/chat-routes.test.ts + modified: + - packages/db/src/schema/index.ts + - packages/shared/src/index.ts + - packages/shared/src/types/index.ts + - packages/shared/src/validators/index.ts + - server/src/routes/index.ts + - server/src/app.ts +decisions: + - "Used isNull(chatConversations.title) with AND condition for idempotent title-setting on first message" + - "listConversations fetches limit+1 to determine hasMore without extra COUNT query" + - "addMessage reads conversation after insert to check title IS NULL — keeps update idempotent" +metrics: + duration_minutes: 4 + completed_date: "2026-04-01" + tasks_completed: 2 + files_created: 9 + files_modified: 6 +--- + +# Phase 21 Plan 01: Chat Foundation — DB Schema, Types, Service, Routes Summary + +**One-liner:** PostgreSQL chat schema with Drizzle ORM, Zod validators, cursor-paginated service, and 11-endpoint REST API — all TDD, 24 tests passing. + +## What Was Built + +Two new Drizzle schema tables (`chat_conversations`, `chat_messages`) with a generated migration (0047), shared TypeScript interfaces and Zod validators in `@paperclipai/shared`, a `chatService` factory with full CRUD including auto-title on first message and cursor-based pagination, and `chatRoutes` factory with 11 REST endpoints mounted in `app.ts`. + +## Tasks Completed + +| Task | Description | Commit | +|------|-------------|--------| +| 1 | DB schema, shared types, validators, service + service tests | 0152d958 | +| 2 | REST API routes and route tests | 22547a9c | + +## Test Results + +- `chat-service.test.ts`: 12 tests, all passing +- `chat-routes.test.ts`: 12 tests, all passing +- Total: 24 tests, 0 failures + +## API Endpoints + +| Method | Path | Description | +|--------|------|-------------| +| GET | /api/companies/:companyId/conversations | List conversations (cursor paginated) | +| POST | /api/companies/:companyId/conversations | Create conversation | +| GET | /api/conversations/:id | Get conversation | +| PATCH | /api/conversations/:id | Update conversation title | +| DELETE | /api/conversations/:id | Soft delete conversation | +| POST | /api/conversations/:id/archive | Archive conversation | +| POST | /api/conversations/:id/unarchive | Unarchive conversation | +| POST | /api/conversations/:id/pin | Pin conversation | +| POST | /api/conversations/:id/unpin | Unpin conversation | +| GET | /api/conversations/:id/messages | List messages (cursor paginated) | +| POST | /api/conversations/:id/messages | Add message (auto-sets title if null) | + +## Deviations from Plan + +None — plan executed exactly as written. + +## Known Stubs + +None — all service methods are fully implemented with real Drizzle ORM calls. + +## Self-Check: PASSED + +- All 8 created files found on disk +- Commits 0152d958 and 22547a9c verified in git log