Chore: Remove obsolete to-dos.md files

- Delete to-dos.md and .claude/to-dos.md (replaced by WHATS-NEXT.md)
- Update global CLAUDE.md: remove to-dos.md section, fix references to WHATS-NEXT.md
- Add session-state.json to per-project files documentation

to-dos.md

@@ -1,126 +0,0 @@
-# TUIkit: Tasks
-
-## In Progress
-
-- [ ] **Two-Pass Layout Focus Fix**: Verify TextField focus works correctly after isMeasuring flag fix
-
-## Open
-
-### Components
-
-#### High
-
-(none)
-
-#### High
-
-- [ ] **Image View**: ASCII art rendering with full 24-bit color support (plan complete)
-- [ ] **Bundle Resource Loading**: SPM resource integration for Image support (plan complete, deferred)
-
-#### Medium
-
-- [ ] **DisclosureGroup**: Expandable/collapsible sections
-
-#### Low
-
-(none)
-
-### Performance
-
-- [ ] **`View._printChanges()` Equivalent**: Debug mechanism that logs why body was re-evaluated
-
-### Infrastructure
-
-- [ ] **Example App Redesign**: Feature catalog → multiple small example apps
-
-### Testing & Docs
-
-- [ ] **Mobile/Tablet Docs**: Test DocC on mobile devices (landing page done)
-- [ ] **Code Examples**: Counter, Todo List, Form, Table/List
-
-## Completed
-
-### 2026-02-11
-
-- [x] **Two-Pass Layout Focus Bug**: Added isMeasuring flag to prevent double focus registration during measure/render passes
-
-### 2026-02-10
-
-- [x] **Two-Pass Layout (Phases 1-4)**: ProposedSize/ViewSize/Layoutable, HStack/VStack refactor, TextField/SecureField/Slider flexible
-- [x] **TextField Clipboard & Undo**: Ctrl+A/C/X/V/Z support, clipboard via pbcopy/pbpaste (macOS) and xclip/xsel (Linux), 50-state undo stack
-- [x] **NavigationSplitView**: Two/three-column layouts, visibility control, focus sections, styles, 39 tests
-
-### 2026-02-09
-
-- [x] **TextField Selection**: Shift+Arrow selection, highlight rendering, delete/replace selected text, 41 new tests
-- [x] **tuikit CLI Enhancements**: git init option, SQLiteData (pointfreeco), Linux Swift install, Xcode open prompt
-- [x] **Landing Page Update**: CLI features (git, SQLiteData), syntax highlighter fix, foregroundStyle API update
-
-### 2026-02-08
-
-- [x] **Section Integration (Phase 2c3)**: List uses SelectableListRow, Section flattening, selectableIndices
-- [x] **Test Cleanup**: Removed 5 flaky/tautological tests (732 → 727)
-- [x] **README Update**: Added missing features (List, Table, Section, Toggle, ProgressView, Spinner, ListStyle, Badge)
-- [x] **SelectionDisabled Modifier**: Environment key + modifier for disabling row selection
-- [x] **ListRowSeparator Stub**: API-compatible stub with warning (not supported in TUI)
-
-### 2026-02-09 (earlier)
-
-- [x] **Badge Modifier (Phase 2a)**: Int/Text/StringProtocol overloads, List integration, 20+ tests
-- [x] **ListStyle System (Phase 2b)**: PlainListStyle + InsetGroupedListStyle, alternating rows, environment keys
-- [x] **SelectableListRow Foundation (Phase 2c1)**: ListRowType enum, type-safe row classification, FrameBuffer Sendable
-- [x] **ItemListHandler Skip Logic (Phase 2c2)**: selectableIndices, focus navigation over non-selectable rows
-
-### 2026-02-08
-
-- [x] **Section View**: SwiftUI-conformant Section with header/content/footer, SectionRowExtractor, 14 tests
-- [x] **ButtonRole + Alert**: Horizontal buttons, cancel/destructive roles, ESC dismiss, arrow navigation
-- [x] **Xcode Project Template**: TUIkit App.xctemplate with install script, landing page one-liner
-- [x] **xcode-templates Skill**: Global skill for creating Xcode project templates
-- [x] **List & Table PR**: Merged PR #86 with focus bar, F-keys, StatusBar defaults, SwiftLint fixes
-
-### 2026-02-07
-
-- [x] **List & Table Components**: ItemListHandler + List + Table with selection, keyboard navigation, scrolling
-- [x] **Deep Code Review**: Force-unwrap fix, doc comments, 6 new tests, StatusBarTests split (4 files), SwiftLint 0 warnings
-- [x] **Swift 6 Concurrency Complete**: Phases 1-7; TerminalProtocol, ActionHandler, AppRunner cleanup
-- [x] **List/Table Shared Architecture**: Analysis complete, ItemListHandler pattern defined
-- [x] **Em-dash Removal**: Replaced all em-dashes with colons/sentences across 73 files
-
-### 2026-02-06
-
-- [x] **Toggle / Checkbox**: Boolean toggle with Space/Enter, slider + checkbox styles, focus indicator, disabled state, 17 tests
-- [x] **Dashboard Cache + Auto-Refresh**: localStorage cache (5 min TTL), auto-refresh timer, Framer Motion list animations
-- [x] **License Change**: CC BY-NC-SA 4.0 → MIT, 141 Swift files + LICENSE file
-- [x] **Mobile Responsive**: SiteNav hamburger, StatCards vertical, heatmap hidden, CommitList compact
-
-### 2026-02-05
-
-- [x] **ProgressView**: 5 bar styles, SwiftUI API parity
-- [x] **Remove Block/Flat Appearances**: BorderedView consolidated into ContainerView
-- [x] **Notification System**: Fire-and-forget NotificationService, fade-in/out animation, word-wrap
-- [x] **Render Performance Phase 2**: Cache invalidation fix, Equatable on 15 types/views
-- [x] **TupleView Equatable**: Conditional Equatable via parameter packs
-
-### 2026-02-03
-
-- [x] **Subtree Memoization**: EquatableView + RenderCache, opt-in via `.equatable()`
-- [x] **Palette Consolidation**: 6 Palette-Structs → SystemPalette.Preset enum
-- [x] **AppHeader**: Framework-managed Header Bar, `.appHeader {}` Modifier
-- [x] **Focus Sections**: `.focusSection()`, section-aware FocusManager
-
-### 2026-02-02
-
-- [x] **Render-Pipeline Phase 1-4**: Line-Diffing, Output Buffering, Caching
-- [x] **Spinner View**: dots/line/bouncing Styles, auto-animating
-- [x] **Structural Identity for @State**: ViewIdentity, StateStorage
-
-## Notes
-
-- DocC: `swift-docc-plugin`, GitHub Pages with `theme-settings.json` workaround
-- Landing Page: Astro + React + Tailwind 4, CI-deployed, tuikit.dev
-- Xcode Template: `~/Library/Developer/Xcode/Templates/Project Templates/macOS/Application/`
-
----
-
-**Last Updated:** 2026-02-11