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Pull request overview
This PR implements Pair Writing Mode, a desktop-only feature for AI-assisted text revision within the Recall (Browse) tab. The implementation adds a split-screen interface with a document editor on the left and the Discussion conversation on the right, enabling context menu-based Quick Actions (transformative edits) and Advisory Actions (analytical feedback).
Changes:
- Protocol extensions for Quick/Advisory action messages in shared package
- New frontend hooks for text selection tracking, pair writing state, and long-press gestures
- Split-screen PairWritingMode component with integrated Discussion session
- Backend handlers for processing Quick Actions (using Claude's Edit tool) and Advisory Actions (streaming feedback)
- Full test coverage with 54 files changed (~8,700 lines added)
Reviewed changes
Copilot reviewed 41 out of 54 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
shared/src/protocol.ts |
Added Quick/Advisory action message schemas with selection context |
shared/src/index.ts |
Exported new Pair Writing types |
frontend/src/hooks/useTextSelection.ts |
Tracks text selection with line numbers and paragraph context extraction |
frontend/src/hooks/usePairWritingState.ts |
Manages editor state (content, snapshot, unsaved changes) |
frontend/src/hooks/useLongPress.ts |
Touch gesture detection for mobile context menu |
frontend/src/components/PairWritingMode.tsx |
Main split-screen container with toolbar and Discussion integration |
frontend/src/components/PairWritingEditor.tsx |
Editor component with Quick Action support and toast notifications |
frontend/src/components/PairWritingToolbar.tsx |
Toolbar with Snapshot, Save, and Exit buttons |
frontend/src/components/EditorContextMenu.tsx |
Context menu with Quick/Advisory actions and keyboard navigation |
frontend/src/components/ConversationPane.tsx |
Extracted conversation display shared with Discussion |
frontend/src/components/Discussion.tsx |
Refactored to support shared WebSocket connection |
frontend/src/components/MarkdownViewer.tsx |
Added Pair Writing entry point button |
frontend/src/components/BrowseMode.tsx |
Integration point with mode switching logic |
frontend/src/App.css |
Header collapse improvements and full-width layout support |
backend/src/handlers/pair-writing-handlers.ts |
Quick/Advisory action handlers with streaming support |
backend/src/pair-writing-prompts.ts |
Action-specific prompt templates with position hints |
backend/src/websocket-handler.ts |
Routing for new message types |
| Test files (×15) | Comprehensive test coverage for all new functionality |
| CSS files (×5) | Styling for new components with glass morphism consistency |
… advisory features
…for implementation
Adds the foundational infrastructure for AI-assisted text revision: Protocol (shared): - QuickActionRequest, AdvisoryActionRequest, PairChatRequest schemas - Action type enums for transformative and advisory actions Hooks (frontend): - useLongPress: Reusable long-press detection (500ms threshold) - useTextSelection: Selection tracking with line numbers and paragraph context - usePairWritingState: Session state management for Pair Writing Mode Components (frontend): - ConversationPane: Extracted from Discussion.tsx for reuse in Pair Writing Prompts (backend): - Action-specific prompt templates for Tighten, Embellish, Correct, Polish - Position hint logic for document location context Test coverage: 520 new tests across all modules. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Adds the context menu infrastructure for Quick Actions: Components (frontend): - EditorContextMenu: Portal-rendered menu with keyboard navigation - Right-click trigger for desktop - Long-press trigger for mobile (uses useLongPress hook) - Shows 4 Quick Actions: Tighten, Embellish, Correct, Polish - Accessible with role="menu" and keyboard navigation Integration (frontend): - MemoryEditor wired with context menu and selection tracking - Uses useTextSelection for selection context extraction - Only shows menu when text is selected - Prevents browser context menu when our menu opens Test coverage: 49 new tests for EditorContextMenu and integration. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Adds the complete Quick Action flow for AI-assisted text revision: Backend (handlers): - handleQuickAction: Creates task-scoped Claude session with Read/Edit tools - Validates file path within vault - Builds action-specific prompts from templates - Streams events using existing infrastructure - Claude's Edit tool writes directly to vault file Frontend (MemoryEditor): - WebSocket integration for quick_action_request messages - Loading indicator overlay during processing - Toast notification for Claude's confirmation - File reload on completion via onQuickActionComplete callback Quick Actions (Tighten, Embellish, Correct, Polish) now fully functional on both desktop (right-click) and mobile (long-press). Test coverage: 41 new tests across handlers and frontend. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Phase 4 tasks complete: - TASK-011: PairWritingMode layout with split-screen editor/conversation - TASK-012: Entry point in BrowseMode with "Enter Pair Writing" button - TASK-013: Advisory action handlers (Validate, Critique, Compare) - TASK-014: Extended context menu with advisory action icons Features implemented: - Advisory Actions stream responses via Anthropic API (no tool use) - PairChat for freeform discussion about writing - Context menu shows advisory actions in pair-writing mode - Compare action appears when snapshot exists - Icons for all action types (quick + advisory) All checks passing: typecheck, lint, 548 unit tests. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Problem: PairWritingMode was incorrectly using MemoryEditor which is hardcoded to load/display memory.md, not the file being viewed. Solution: - Revert MemoryEditor to original state (memory.md only) - Create PairWritingEditor that: - Takes content via props (not fetching memory.md) - Supports text selection for Quick Actions - Supports Advisory Actions (Validate, Critique, Compare) - Handles streaming responses for Quick Actions - Update PairWritingMode to use PairWritingEditor - Update BrowseMode to pass sendMessage/lastMessage to PairWritingMode The backend handlers and protocol remain unchanged. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Integrates Pair Writing Mode with Discussion tab so they share the same AI session. Quick Actions and Advisory Actions now appear in the conversation history alongside regular chat messages. Key changes: Backend: - Remove handlePairChat (pair_chat_request removed from protocol) - Update handleQuickAction/handleAdvisoryAction to use resumeSession when existing session available - Remove Anthropic SDK import, use Claude Agent SDK throughout - Add resumeSession/appendMessage to handler dependencies Frontend: - Discussion accepts optional sendMessage/connectionStatus/lastMessage props for shared WebSocket connection - PairWritingMode embeds Discussion instead of ConversationPane - BrowseMode skips streaming messages when PairWritingMode is active (fixes double-speak bug where text was duplicated) - Simplify usePairWritingState: remove conversation/selection state Protocol: - Remove PairChatRequestMessage (no longer needed) This refactor removes ~250 lines of duplicate state management while maintaining full functionality. Note: Some pre-existing SessionContext tests are failing (unrelated to this change). Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
When no session exists, Quick Actions and Advisory Actions now use ctx.deps.createSession instead of task-scoped query functions. This ensures: 1. Sessions are persisted to the vault's session directory 2. Sessions appear in Recent Sessions on HomeView 3. Conversation history is preserved for future interactions Changes: - Add createSession to HandlerDependencies and RequiredHandlerDependencies - Update pair-writing-handlers.ts to use ctx.deps.createSession - Refactor pair-writing-handlers.test.ts to use createMockCreateSession - Add createSession mock to browser-handlers.test.ts Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
The 1000px max-width constraint on app-main is good for most views but too narrow for Pair Writing's side-by-side editor + discussion layout. Sets a data-pair-writing attribute on <html> when pair writing is active (following the existing pattern for holiday backgrounds), and overrides max-width to 100% via CSS. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Adds a 0.3s ease transition so the layout smoothly expands/contracts when entering or exiting Pair Writing mode. Changed target from 100% to 100vw for reliable CSS interpolation between pixel values. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Adds a 0.3s ease transition to the grid-template-columns so the tree pane smoothly collapses from 280px to 48px (and vice versa) when the collapse button is clicked. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
The collapsible header was previously mobile-only. Now clicking the title collapses the header on desktop too, and clicking the logo button expands it back. This gives users more vertical space when they want to focus on content. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
The test file was using mock.module to mock SessionContext globally, which persisted across test files and caused 138 SessionContext tests to fail when run in the full suite. Fixed by: - Removing the SessionContext mock.module call - Using a real SessionProvider wrapper instead - Updating all render calls to use the wrapper This follows the pattern of using dependency injection (wrapper) instead of global module mocking, which is more reliable for test isolation. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
… dependency injection for testing
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Summary
Implements Pair Writing Mode, a desktop-only feature for AI-assisted text revision within the Recall (Browse) tab.
Key capabilities:
Architecture changes:
UX improvements:
Files changed
Test plan
Closes #369
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