138 lines
6.9 KiB
Markdown
138 lines
6.9 KiB
Markdown
---
|
|
phase: 21-chat-foundation
|
|
plan: 03
|
|
subsystem: ui
|
|
tags: [react, tanstack-query, infinite-scroll, chat, intersection-observer, context]
|
|
|
|
# Dependency graph
|
|
requires:
|
|
- phase: 21-chat-foundation/21-01
|
|
provides: Chat API backend (conversations, messages endpoints), shared ChatConversation/ChatMessage types
|
|
- phase: 21-chat-foundation/21-02
|
|
provides: ChatMarkdownMessage and ChatInput presentational components
|
|
provides:
|
|
- chatApi fetch wrappers for all chat endpoints
|
|
- ChatPanelProvider with localStorage-persisted open state and active conversation tracking
|
|
- useChatConversations (useInfiniteQuery with cursor pagination)
|
|
- useChatMessages (useInfiniteQuery with cursor pagination)
|
|
- useSendMessage and useCreateConversation mutations
|
|
- ChatConversationList with infinite scroll, inline rename/delete confirmation, pin/archive actions
|
|
- ChatMessageList with role=log, auto-scroll, ChatMarkdownMessage for assistant messages
|
|
- ChatPanel right-side drawer composing conversation list + message area (width transition)
|
|
- Layout integration: MessageSquare toggle, ChatPanel in flex row, effect closing PropertiesPanel when chat opens
|
|
affects: [21-chat-foundation/21-04]
|
|
|
|
# Tech tracking
|
|
tech-stack:
|
|
added: []
|
|
patterns:
|
|
- useInfiniteQuery with cursor-based pagination (updatedAt/createdAt as cursor)
|
|
- ChatPanelProvider pattern mirrors PanelContext with localStorage persistence
|
|
- IntersectionObserver sentinel div for infinite scroll trigger
|
|
- Inline delete confirmation (no modal) via conditional render in list item hover state
|
|
- DOM querySelector for focus management across component boundaries
|
|
|
|
key-files:
|
|
created:
|
|
- ui/src/api/chat.ts
|
|
- ui/src/context/ChatPanelContext.tsx
|
|
- ui/src/hooks/useChatConversations.ts
|
|
- ui/src/hooks/useChatMessages.ts
|
|
- ui/src/components/ChatPanel.tsx
|
|
- ui/src/components/ChatConversationList.tsx
|
|
- ui/src/components/ChatMessageList.tsx
|
|
modified:
|
|
- ui/src/main.tsx
|
|
- ui/src/components/Layout.tsx
|
|
|
|
key-decisions:
|
|
- "mutateAsync(undefined) required for optional-arg mutations in TanStack Query TypeScript — fixed TS2554 error"
|
|
- "Focus management uses DOM querySelector('[aria-label=Message input]') across component boundaries to avoid ref threading"
|
|
|
|
patterns-established:
|
|
- "IntersectionObserver sentinel at bottom of scroll list triggers fetchNextPage for infinite scroll"
|
|
- "Inline delete confirmation replaces dropdown with confirmation widget on hover — no modal needed"
|
|
|
|
requirements-completed: [CHAT-04, CHAT-05, CHAT-06, HIST-02, HIST-03]
|
|
|
|
# Metrics
|
|
duration: 5min
|
|
completed: 2026-04-01
|
|
---
|
|
|
|
# Phase 21 Plan 03: Chat Foundation Wire-Up Summary
|
|
|
|
**Chat UI wired end-to-end: API client, TanStack Query hooks with cursor pagination, ChatPanel drawer with conversation list (infinite scroll + CRUD) and message rendering integrated into Layout**
|
|
|
|
## Performance
|
|
|
|
- **Duration:** 5 min
|
|
- **Started:** 2026-04-01T11:07:28Z
|
|
- **Completed:** 2026-04-01T11:12:11Z
|
|
- **Tasks:** 2
|
|
- **Files modified:** 9
|
|
|
|
## Accomplishments
|
|
- Created `chatApi` covering all 11 chat endpoints (conversations + messages CRUD, pin/archive)
|
|
- Built `ChatPanelContext` with localStorage persistence (`nexus:chat-panel-open`) and active conversation tracking
|
|
- Implemented `useChatConversations` and `useChatMessages` with `useInfiniteQuery` cursor pagination plus full mutation hooks
|
|
- Built `ChatConversationList` with IntersectionObserver infinite scroll, inline rename, delete confirmation widget, and pin/archive dropdown
|
|
- Built `ChatMessageList` with `role="log"` aria semantics, auto-scroll, user/assistant message styling, ChatMarkdownMessage for assistant
|
|
- Created `ChatPanel` drawer (width transition 0↔380px) composing both lists with `ChatInput`
|
|
- Integrated into `Layout.tsx`: MessageSquare toggle button, ChatPanel in flex row, PropertiesPanel closes when chat opens
|
|
|
|
## Task Commits
|
|
|
|
1. **Task 1: Chat API client, context provider, and TanStack Query hooks** - `2a072483` (feat)
|
|
2. **Task 2: ChatPanel, ChatConversationList, ChatMessageList, and Layout integration** - `7868b073` (feat)
|
|
|
|
**Plan metadata:** _(pending docs commit)_
|
|
|
|
## Files Created/Modified
|
|
- `ui/src/api/chat.ts` - chatApi with listConversations, createConversation, getConversation, updateConversation, deleteConversation, archiveConversation, unarchiveConversation, pinConversation, unpinConversation, listMessages, sendMessage
|
|
- `ui/src/context/ChatPanelContext.tsx` - ChatPanelProvider with localStorage persistence and active conversation state
|
|
- `ui/src/hooks/useChatConversations.ts` - useChatConversations (useInfiniteQuery), useCreateConversation, useConversationActions (pin/unpin/archive/unarchive/remove/rename)
|
|
- `ui/src/hooks/useChatMessages.ts` - useChatMessages (useInfiniteQuery), useSendMessage
|
|
- `ui/src/components/ChatConversationList.tsx` - Sidebar with IntersectionObserver infinite scroll, inline rename, delete confirmation, pin/archive dropdown
|
|
- `ui/src/components/ChatMessageList.tsx` - role=log message thread with auto-scroll and ChatMarkdownMessage
|
|
- `ui/src/components/ChatPanel.tsx` - Right-side drawer shell composing conversation list and message area
|
|
- `ui/src/main.tsx` - Added ChatPanelProvider to app tree
|
|
- `ui/src/components/Layout.tsx` - MessageSquare toggle, ChatPanel, effect closing PropertiesPanel when chat opens
|
|
|
|
## Decisions Made
|
|
- `mutateAsync(undefined)` required for TanStack Query optional-arg mutations — TypeScript infers at least one argument needed and calling with zero causes TS2554 error
|
|
- Focus management uses `document.querySelector('[aria-label="Message input"]')` to reach ChatInput textarea across component tree without ref threading
|
|
|
|
## Deviations from Plan
|
|
|
|
### Auto-fixed Issues
|
|
|
|
**1. [Rule 1 - Bug] Fixed TypeScript TS2554 for zero-arg mutateAsync calls**
|
|
- **Found during:** Task 2 (ChatPanel), build verification
|
|
- **Issue:** `createConversation.mutateAsync()` called with 0 args — TanStack Query typing requires at least 1 argument even when mutationFn has optional params
|
|
- **Fix:** Changed both call sites to `createConversation.mutateAsync(undefined)`
|
|
- **Files modified:** ui/src/components/ChatPanel.tsx
|
|
- **Verification:** `pnpm --filter @paperclipai/ui build` succeeds with no TypeScript errors
|
|
- **Committed in:** `7868b073` (Task 2 commit)
|
|
|
|
---
|
|
|
|
**Total deviations:** 1 auto-fixed (1 bug)
|
|
**Impact on plan:** Minimal — single TypeScript fix required for correct compilation. No scope creep.
|
|
|
|
## Issues Encountered
|
|
None beyond the TypeScript fix documented above.
|
|
|
|
## User Setup Required
|
|
None - no external service configuration required.
|
|
|
|
## Next Phase Readiness
|
|
- Chat UI is fully wired and functional end-to-end
|
|
- Users can create conversations, send messages, browse history with infinite scroll
|
|
- Opening chat closes PropertiesPanel — no competing panels
|
|
- Panel state persists in localStorage across page loads
|
|
- Plan 04 (if any) can build on the established chat foundation
|
|
|
|
---
|
|
*Phase: 21-chat-foundation*
|
|
*Completed: 2026-04-01*
|