- Replace custom Observable protocol and @Published with Apple's @Observable macro
- Add withObservationTracking in renderToBuffer for automatic per-property dependency tracking
- Add type-based @Environment(Type.self) and .environment(object) for observable objects
- Add ObjectEnvironmentModifier for injecting observable objects into the environment
- Add needsCacheClear flag to AppState for thread-safe cache invalidation
- Add cross-platform test script (scripts/test-linux.sh) for Docker-based Linux verification
- Add DemoAppHeader with system info display (OS, version, architecture)
- Consolidate Example App: extract ImageDemoHelpers, KeyboardHelpSection, ValueDisplayRow
- Add pre-push verification rule to CLAUDE.md
- Verified on both macOS and Linux (swift:6.0 container), 1155 tests passing
- Add ToggleStyle protocol matching SwiftUI's pattern
- Add .automatic, .checkbox, .switch built-in styles
- Add .toggleStyle(_:) view modifier via Environment
- All styles render as [ ]/[x] in TUI (documented constraint)
- Remove old ToggleStyle enum (.toggle/.checkbox)
- Update example app and tests for new API
- Add ButtonRole (.cancel, .destructive) with SwiftUI-conformant API
- Alert renders buttons horizontally, sorted by role (cancel left)
- Alert max width capped at 60 characters for readability
- ESC key dismisses alerts via AlertPresentationModifier handler
- FocusManager: Left/Right arrows navigate within sections (like Up/Down)
- Move completed plans to done/ directory
- Update example pages with minor adjustments
- Changed indicator from ◼ (U+25FC) to ● (large dot)
- More consistent with toggle indicator style
- Checkbox now shows [●] when on, [ ] when off
- Updated example page state summary
- All 591 tests passing
- Checkbox toggle now shows [●] when on, [ ] when off
- More consistent with dot-based toggle style [●○]
- Updated example page to show new checkbox indicator
- All 571 tests passing
- Toggle struct with string initializer for SwiftUI API parity
- ToggleStyle enum: .toggle (slider ●○) and .checkbox ([x])
- ToggleHandler for Space/Enter keyboard events
- Focus indicator with pulsing accent dot (inherited from Button pattern)
- Disabled state with tertiary color
- .disabled() modifier for control
- Comprehensive tests (17 tests, 571 total passing)
- TogglePage example with both styles, disabled states, and live state demo
- Added to main menu with shortcut key 7
phranck