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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

This commit combines multiple improvements to the React Query migration:

Performance Optimization:
- Increase default staleTime from 10s to 30s for better performance
- Reduces unnecessary network requests while maintaining data freshness

Error Handling:
- Add ErrorBoundary component with user-friendly error UI
- Integrated at app root level for comprehensive coverage
- Provides error details and reload option

Documentation:
- Add docs/auth-architecture.md explaining AuthContext design decisions
- Document why AuthContext is preferred over React Query for current user

Code Cleanup:
- Remove all JSDoc comments from hooks and components
- Keep essential inline comments for clarity
- Simplifies code readability

Files modified:
- src/lib/query-client.ts - Optimized staleTime
- src/main.tsx - Added ErrorBoundary wrapper
- src/components/ErrorBoundary.tsx - New component
- src/hooks/useMemoQueries.ts - Removed JSDoc
- src/hooks/useUserQueries.ts - Removed JSDoc
- src/components/PagedMemoList/PagedMemoList.tsx - Removed JSDoc
- docs/auth-architecture.md - New documentation

All changes verified with TypeScript compilation and production build.

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Signed-off-by: ghose <704948+xmgz@users.noreply.github.com>

Optimizes React Query migration with performance and consistency improvements:

Performance:
- Memoize AuthContext and InstanceContext provider values to prevent unnecessary re-renders
- Convert InstanceContext getter functions to useMemo hooks
- Fix refetchSettings to avoid state dependency that caused frequent recreations

Type Safety:
- Replace 'any' types in useAttachmentQueries with proper protobuf types
- Add Attachment and ListAttachmentsRequest type imports

Query Key Consistency:
- Replace hardcoded ["users", "stats"] with userKeys.stats() factory function
- Ensures consistent cache key management across mutations

Developer Experience:
- Rename unused useCurrentUser to useCurrentUserQuery to avoid confusion
- Add documentation explaining AuthContext-based vs React Query current user hooks
- Update internal references in useNotifications and useTagCounts

All changes verified with TypeScript compilation and build tests.

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- Wrap actions.toggleFocusMode() with dispatch() call
- Create toggleFocusMode helper function for callbacks
- Fix focus mode not toggling due to action not being dispatched

- Add useFocusMode hook to lock body scroll in focus mode
- Add 'f' key keyboard shortcut to toggle focus mode
- Add FocusModeExitButton inside editor
- Import and wire up all focus mode components and hooks
- Update useKeyboard to handle focus mode toggle

- Import and use FOCUS_MODE_STYLES from constants
- Apply proper fixed positioning, shadow, and spacing in focus mode
- Add transition animation for smooth mode switching
- Replace empty 'focus-mode' class with actual Tailwind utilities

- Add back Tailwind utility classes for proper layout
- Restore padding, border, background, and flex styles
- Fix missing styles on memo-editor-wrapper element

- Add back descriptive comments removed by editor refactoring commit
- Restore original timestamp calculation format in MemoHeader
- Improve code readability with section comments

Complete refactoring of MemoView components for better code quality:

- Split useMemoViewState into individual hook files (useMemoActions,
  useKeyboardShortcuts, useNsfwContent, useImagePreview, useMemoCreator)
  for single responsibility principle
- Consolidate types closer to usage - move hook-specific types to
  respective files, keep only component props in shared types.ts
- Optimize context with separate static/dynamic memoization to reduce
  unnecessary re-renders
- Simplify barrel exports to only expose public API (MemoView component
  and MemoViewProps type)
- Add comprehensive JSDoc documentation to all public APIs with usage
  examples

Benefits:
- Better maintainability: each hook file has one clear purpose
- Improved performance: context optimization prevents unnecessary re-renders
- Enhanced developer experience: clear documentation and encapsulation
- Cleaner architecture: public API is minimal, internal details hidden

All automated checks pass (TypeScript compilation, linter, production build).

BREAKING CHANGE: MemoEditor internal architecture completely refactored

## Summary

Refactored MemoEditor from hooks-based state management to a three-layer
architecture (Presentation → State → Services) using useReducer pattern.

## Changes

### Architecture
- **State Layer** (5 new files): types, actions, reducer, context, barrel export
- **Service Layer** (6 new files): error, validation, upload, cache, memo services + barrel
- **Component Layer** (3 new files): EditorToolbar, EditorContent, EditorMetadata
- **Simplified Hooks** (3 new files): useMemoInit, useAutoSave, useKeyboard

### Code Reduction
- Main component: ~380 lines → ~140 lines (-63%)
- Hooks removed: 5 old hooks (useMemoEditorState, useMemoSave, etc.)
- Total lines removed: 508 lines of old code
- Utility hooks preserved: 8 hooks still in use (useLocation, useDragAndDrop, etc.)

### Improvements
- ✅ Predictable state transitions with useReducer
- ✅ Testable business logic in pure service functions
- ✅ Cleaner component code (presentation only)
- ✅ Better separation of concerns
- ✅ Type-safe actions with discriminated unions
- ✅ Centralized error handling

## Statistics
- Files changed: 26
- Commits created: 25 (squashed into 1)
- New files: 17
- Removed files: 5
- TypeScript errors: 0
- Lint errors: 0

## Testing
Manual testing required for:
- Editor functionality (create, edit, save)
- Drag and drop
- Focus mode
- Keyboard shortcuts (Cmd/Ctrl + Enter)
- Auto-save to localStorage

- Adjust CodeBlock styling for better layout and spacing
- Reorganize copy button positioning with absolute positioning
- Simplify button styling and reduce icon sizes
- Wrap MermaidBlock in pre tag for consistent structure
- Format useDropdownMenuSubHoverDelay hook call for readability

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Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

- Create useDropdownMenuSubHoverDelay hook in dropdown-menu component
- Encapsulates hover delay behavior for preventing accidental submenu closure
- Eliminates code duplication at component usage sites
- Simplifies InsertMenu by removing 45 lines of timeout/state management code
- Hook provides handleTriggerEnter/Leave and handleContentEnter/Leave handlers
- Configurable closeDelay parameter (default 150ms)

This makes the hover behavior pattern reusable across any dropdown menu submenus.

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Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

Convert protobuf Timestamp objects to Date before formatting
to prevent "[object Object]" from appearing in the UI.

Fixes #5368

- Add request deduplication to getOrFetchUser using RequestDeduplicator
- Consolidates multiple simultaneous calls for same user into single API request
- Prevents duplicate 401 errors and wasted network traffic
- Matches pattern already used by fetchUsers and fetchUserStats
- Remove backwards compatibility aliases (getOrFetchUserByName, getOrFetchUserByUsername)
- Update all call sites to use canonical getOrFetchUser method

Fixes issue where PagedMemoList, useMemoViewState, MainLayout, and UserProfile
were making duplicate user fetch requests when loading user data.

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- Added `scheduler` package with core functionalities for job scheduling.
- Implemented job registration, execution, and graceful shutdown mechanisms.
- Introduced middleware support for logging, recovery from panics, and timeout handling.
- Developed cron expression parser to support both 5-field and 6-field formats.
- Created comprehensive integration and unit tests for scheduler, job definitions, middleware, and parser functionalities.
- Enhanced logging capabilities to track job execution and errors.

- Implemented the Email Plugin for self-hosted Memos instances, providing SMTP email sending capabilities.
- Created configuration structure for SMTP settings with validation.
- Developed message structure for email content with validation and formatting.
- Added synchronous and asynchronous email sending methods.
- Implemented error handling and logging for email sending processes.
- Included tests for client, configuration, and message functionalities to ensure reliability.
- Updated documentation to reflect new features and usage instructions.

- Add custom zoom controls with modern glassmorphism styling
- Add "Open in Google Maps" button for location markers
- Refactor to React component architecture with proper Leaflet integration
- Create reusable GlassButton component for maintainability
- Use React 18 createRoot for portal rendering
- Replace imperative DOM manipulation with declarative React patterns
- Add coordinate display to location metadata

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- Remove ListSessions and RevokeSession RPC endpoints
- Remove Session message and SessionsSetting from UserSetting
- Remove ACCESS_TOKENS key and AccessTokensSetting
- Update references to use RefreshTokensUserSetting with its own ClientInfo
- Remove UserSessionsSection frontend component
- Clean up user store to remove session and access token settings
- Regenerate protobuf files

The system now uses:
- REFRESH_TOKENS for session management with sliding expiration
- PERSONAL_ACCESS_TOKENS for long-lived API tokens

- Remove SessionCookieName and SessionSlidingDuration constants
- Remove ExtractSessionCookieFromHeader() function
- Remove SessionIDContextKey and GetSessionID() function
- Remove sessionID parameter from SetUserInContext()
- Remove SessionID field from AuthResult struct
- Remove session cookie extraction from middleware
- Update documentation to reflect JWT + PAT only auth

Session cookies were never being set since migration to refresh token
authentication. This change removes ~50 lines of dead code and clarifies
that the system uses JWT access tokens, refresh tokens, and PATs only.

- Extract route paths to router/routes.ts as single source of truth
- Refactor connect.ts auth interceptor with better structure and error handling
  - Add TokenRefreshManager class to prevent race conditions
  - Implement smart redirect logic for public/private routes
  - Support unauthenticated access to explore and user profile pages
  - Add proper error handling for missing access tokens
  - Extract magic strings to named constants
- Maintain backward compatibility by aliasing Routes to ROUTES

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- Fix cookie expiration timezone to use GMT (RFC 6265 compliance)
- Use Connect RPC client for token refresh instead of fetch
- Fix error code checking (numeric Code.Unauthenticated instead of string)
- Prevent infinite redirect loop when already on /auth page
- Fix protobuf Timestamp conversion using timestampDate helper
- Store access token in sessionStorage to avoid unnecessary refreshes on page reload
- Add refresh token cookie fallback for attachment authentication
- Improve error handling with proper type checking

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

- Rename grpcweb.ts to connect.ts to reflect ConnectRPC usage
- Enable binary protobuf format for improved performance
- Update all imports across 26 files from @/grpcweb to @/connect

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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

Add CreateUser to PublicMethods ACL whitelist to fix "authentication required"
error during first-time setup. The CreateUser method already has proper security
logic that automatically assigns HOST role to the first user and enforces
DisallowUserRegistration setting for subsequent users.

Fixes #5352

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