Import beads' UX design system into gastown:
- Add internal/ui/ package with Ayu theme colors and semantic styling
- styles.go: AdaptiveColor definitions for light/dark mode
- terminal.go: TTY detection, NO_COLOR/CLICOLOR support
- markdown.go: Glamour rendering with agent mode bypass
- pager.go: Smart paging with GT_PAGER support
- Add colorized help output (internal/cmd/help.go)
- Group headers in accent color
- Command names styled for scannability
- Flag types and defaults muted
- Add gt thanks command (internal/cmd/thanks.go)
- Contributor display with same logic as bd thanks
- Styled with Ayu theme colors
- Update gt doctor to match bd doctor UX
- Category grouping (Core, Infrastructure, Rig, Patrol, etc.)
- Semantic icons (✓ ⚠ ✖) with Ayu colors
- Tree connectors for detail lines
- Summary line with pass/warn/fail counts
- Warnings section at end with numbered issues
- Migrate existing styles to use ui package
- internal/style/style.go uses ui.ColorPass etc.
- internal/tui/feed/styles.go uses ui package colors
Co-Authored-By: SageOx <ox@sageox.ai>
Add comprehensive crash logging improvements to help diagnose mass session death events:
- Add TypeSessionDeath and TypeMassDeath event types for feed visibility
- Log pre-death events before killing sessions (who killed, why)
- Add mass death detection in daemon (3+ deaths in 30s triggers alert)
- Add macOS crash report check in gt doctor
- Support session death events in townlog and feed curator
Closes hq-kt1o6
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
