de24f5f5a1
- SUMMARY.md with accomplishments, commits, and deviation notes - STATE.md advanced to plan 2 of 6, 33% progress - ROADMAP.md updated with plan progress - REQUIREMENTS.md: marked HIST-01 and HIST-06 complete
137 lines
6.3 KiB
Markdown
137 lines
6.3 KiB
Markdown
---
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phase: 21-chat-foundation
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plan: "01"
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subsystem: database
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tags: [drizzle, postgres, zod, typescript, schema, migration]
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# Dependency graph
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requires: []
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provides:
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- chatConversations Drizzle table (packages/db/src/schema/chat_conversations.ts)
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- chatMessages Drizzle table (packages/db/src/schema/chat_messages.ts)
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- Migration SQL 0047_nebulous_klaw.sql with full DDL, FK constraints, and indexes
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- ChatConversation, ChatConversationListItem, ChatMessage TypeScript interfaces
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- createConversationSchema, updateConversationSchema, createMessageSchema Zod validators
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- All types/validators re-exported from @paperclipai/shared barrel files
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affects: [21-02, 21-03, 21-04, 21-05, 21-06]
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# Tech tracking
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tech-stack:
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added: []
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patterns:
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- "Drizzle pgTable with object-syntax index callback (table) => ({...}) — matches existing codebase convention"
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- "Shared types as TypeScript interfaces with string timestamps (not Date objects)"
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- "Zod validators with type exports in same validators file"
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key-files:
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created:
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- packages/db/src/schema/chat_conversations.ts
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- packages/db/src/schema/chat_messages.ts
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- packages/db/src/migrations/0047_nebulous_klaw.sql
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- packages/shared/src/types/chat.ts
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- packages/shared/src/validators/chat.ts
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modified:
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- packages/db/src/schema/index.ts
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- packages/shared/src/types/index.ts
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- packages/shared/src/validators/index.ts
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key-decisions:
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- "Used object-syntax (table) => ({...}) for Drizzle index callbacks — matches documents.ts, agents.ts pattern (plan suggested array syntax but existing code uses object syntax)"
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- "Added TypeScript infer types (CreateConversation, UpdateConversation, CreateMessage) to validators file for completeness"
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patterns-established:
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- "Chat schema tables follow same FK pattern as documents.ts (companyId FK, agentId FK with set null)"
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- "chatMessages uses onDelete: cascade for FK to chatConversations — messages are child records"
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requirements-completed: [HIST-01, HIST-06]
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# Metrics
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duration: 2min
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completed: 2026-04-01
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---
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# Phase 21 Plan 01: Chat Foundation — Database Schema and Shared Types Summary
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**Two Drizzle tables (chat_conversations, chat_messages) with migration SQL, plus TypeScript interfaces and Zod validators exported from @paperclipai/shared**
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## Performance
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- **Duration:** 2 min
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- **Started:** 2026-04-01T16:36:03Z
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- **Completed:** 2026-04-01T16:38:38Z
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- **Tasks:** 2
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- **Files modified:** 8
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## Accomplishments
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- Created chatConversations Drizzle table with companyId FK, optional agentId FK (set null on delete), pinned/archived/deleted timestamp columns, and two composite indexes
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- Created chatMessages Drizzle table with conversationId FK (cascade delete), role/content text columns, and conversation+createdAt index
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- Generated migration 0047_nebulous_klaw.sql containing correct DDL, FK constraints, and indexes
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- Created shared TypeScript interfaces (ChatConversation, ChatConversationListItem, ChatMessage, list response types) in @paperclipai/shared
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- Created Zod validators (createConversationSchema, updateConversationSchema, createMessageSchema) with inferred types
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## Task Commits
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Each task was committed atomically:
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1. **Task 1: Create Drizzle schema files and generate migration** - `9d45d01b` (feat)
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2. **Task 2: Create shared types and Zod validators for chat** - `075de0df` (feat)
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**Plan metadata:** (docs commit — see below)
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## Files Created/Modified
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- `packages/db/src/schema/chat_conversations.ts` - chatConversations Drizzle table definition
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- `packages/db/src/schema/chat_messages.ts` - chatMessages Drizzle table definition with cascade FK
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- `packages/db/src/migrations/0047_nebulous_klaw.sql` - Generated migration SQL with full DDL
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- `packages/db/src/schema/index.ts` - Added chatConversations and chatMessages exports
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- `packages/shared/src/types/chat.ts` - ChatConversation, ChatConversationListItem, ChatMessage, list response interfaces
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- `packages/shared/src/validators/chat.ts` - createConversationSchema, updateConversationSchema, createMessageSchema validators
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- `packages/shared/src/types/index.ts` - Added export * from "./chat.js"
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- `packages/shared/src/validators/index.ts` - Added export * from "./chat.js"
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## Decisions Made
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- Used object-syntax `(table) => ({...})` for Drizzle index callbacks — the plan suggested array syntax but the existing codebase (documents.ts, agents.ts, companies.ts) consistently uses object syntax. Matched existing convention.
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- Added `CreateConversation`, `UpdateConversation`, `CreateMessage` inferred types to validators file — follows the pattern established in company.ts and other validators.
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## Deviations from Plan
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### Minor Adaptation
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**1. [Rule 1 - Convention] Used object index syntax instead of array syntax in Drizzle tables**
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- **Found during:** Task 1 (Create Drizzle schema files)
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- **Issue:** Plan suggested `(table) => [index(...)]` array syntax, but all existing schema files (documents.ts, agents.ts, companies.ts) use `(table) => ({...})` object syntax
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- **Fix:** Used object syntax to match codebase convention — functionally identical, just different notation
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- **Files modified:** packages/db/src/schema/chat_conversations.ts, packages/db/src/schema/chat_messages.ts
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- **Verification:** Migration generated successfully with correct indexes
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**2. [Minor] Migration uses lowercase `cascade` keyword**
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- **Found during:** Task 1 verification
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- **Issue:** Drizzle generates `ON DELETE cascade` (lowercase) in SQL; plan acceptance criteria said `ON DELETE CASCADE` (uppercase)
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- **Fix:** No fix needed — SQL keywords are case-insensitive; this is Drizzle's standard output
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- **Impact:** None — migration is functionally correct
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---
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**Total deviations:** 2 minor adaptations
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**Impact on plan:** Both are cosmetic/style differences with no functional impact. Plan executed as specified.
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## Issues Encountered
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None — both tasks executed cleanly.
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## User Setup Required
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None — no external service configuration required. Migration runs automatically at server start via `pnpm db:migrate`.
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## Next Phase Readiness
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- Database schema and shared types are ready for Plan 02 (chat API routes)
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- Both tables will be created on next server start via migration
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- Types and validators are importable from `@paperclipai/shared` for use in server routes and UI
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- No blockers for subsequent plans
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---
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*Phase: 21-chat-foundation*
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*Completed: 2026-04-01*
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