2026-01-02 23:10:43 +11:00
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# Changelog
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All notable changes to claude-hud will be documented in this file.
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2026-01-02 23:25:07 +11:00
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## [2.0.0] - 2026-01-02
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### Architecture Overhaul
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A complete rewrite focusing on stability, accuracy, and developer experience.
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### Added
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- **UnifiedContextTracker**: Single source of truth for context tracking
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- Reads real token counts from Claude transcript files
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- Falls back to estimation when transcript unavailable
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- Eliminates flickering from dual data sources
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- **CostDisplay**: Real-time API cost estimation
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- Tracks input/output tokens separately
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- Automatic model detection for accurate pricing
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- Supports Opus, Sonnet, and Haiku pricing
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- **Custom hooks architecture**:
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- `useHudState` - Centralized state management
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- `useElapsedTime` - Session timer hook
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- **Code quality tooling**:
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- ESLint with TypeScript, React, and React Hooks rules
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- Prettier with consistent formatting
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- Husky pre-commit hooks with lint-staged
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- **Comprehensive test suite**: 152 tests covering all components
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### Changed
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- **app.tsx**: Reduced from 329 lines to 136 lines (59% reduction)
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- **Context tracking**: Reads transcript on Stop events only, not polling
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- **State management**: Follows ADR 001 pattern with custom hooks
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### Fixed
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- **Context flickering**: Eliminated dual-source updates
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- **Session handling**: Proper transcript path detection on /resume
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- **Test reliability**: Fixed race condition in smoke tests
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### Technical
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- Added Architecture Decision Records (ADRs):
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- ADR 001: State management via custom hooks
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- ADR 002: Event-driven data flow with minimal polling
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- ADR 003: Minimal shell scripts, logic in TypeScript
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- ADR 004: Session ID tracking for graceful transitions
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- Research documented in `docs/research/RESEARCH.md`
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## [1.0.0] - Initial Release
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- Context meter with sparkline
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- Tool stream with live status
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- Agent tracking
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- Todo list display
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- Session statistics
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- Git status panel
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- MCP server status
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