Claude Code Usage Monitor Files

🚨 Breaking Changes

• Package Name Change: Renamed from claude-usage-monitor to claude-monitor
• New installation: pip install claude-monitor or uv tool install claude-monitor
• New command aliases: claude-monitor and cmonitor
• Python Requirement: Minimum Python version raised from 3.8 to 3.9
• Architecture Overhaul: Complete rewrite from single-file to modular package structure
• Entry Point Changes: Module execution now via claude_monitor.__main__:main

🏗️ Complete Architectural Restructuring

• 📁 Professional Package Layout: Migrated to src/claude_monitor/ structure with proper namespace isolation
• Replaced single claude_monitor.py file with comprehensive modular architecture
• Implemented clean separation of concerns across 8 specialized modules
• 🔧 Modular Design: New package organization:
• cli/ - Command-line interface and bootstrap logic
• core/ - Business logic, models, settings, calculations, and pricing
• data/ - Data management, analysis, and reading utilities
• monitoring/ - Real-time session monitoring and orchestration
• ui/ - User interface components, layouts, and display controllers
• terminal/ - Terminal management and theme handling
• utils/ - Formatting, notifications, timezone, and model utilities
• ⚡ Enhanced Performance: Optimized data processing with caching, threading, and efficient session management

🎨 Rich Terminal UI System

• 💫 Rich Integration: Complete UI overhaul using Rich library for professional terminal interface
• Advanced progress bars with semantic color coding (🟢🟡🔴)
• Responsive layouts with proper terminal width handling (80+ characters required)
• Enhanced typography and visual hierarchy
• 🌈 Improved Theme System: Enhanced automatic theme detection with better contrast ratios
• 📊 Advanced Display Components: New progress visualization with burn rate indicators and time-based metrics

🔒 Type Safety and Validation

• 🛡️ Pydantic Integration: Complete type safety implementation
• Comprehensive settings validation with user-friendly error messages
• Type-safe data models (UsageEntry, SessionBlock, TokenCounts)
• CLI parameter validation with detailed feedback
• ⚙️ Smart Configuration: Pydantic-based settings with last-used parameter persistence
• 🔍 Enhanced Error Handling: Centralized error management with optional Sentry integration

📈 Advanced Analytics Features

• 🧮 P90 Percentile Calculations: Machine learning-inspired usage prediction and limit detection
• 📊 Smart Plan Detection: Auto-detection of Claude plan limits with custom plan support
• ⏱️ Real-time Monitoring: Enhanced session tracking with threading and callback systems
• 💡 Intelligent Insights: Advanced burn rate calculations and velocity indicators

🔧 Developer Experience Improvements

• 🚀 Modern Build System: Migrated from Hatchling to Setuptools with src layout
• 🧪 Comprehensive Testing: Professional test infrastructure with pytest and coverage reporting
• 📝 Enhanced Documentation: Updated troubleshooting guide with v3.0.0-specific solutions
• 🔄 CI/CD Reactivation: Restored and enhanced GitHub Actions workflows:
• Multi-Python version testing (3.9-3.12)
• Automated linting with Ruff
• Trusted PyPI publishing with OIDC
• Automated version bumping and changelog management

📦 Dependency and Packaging Updates

• 🆕 Core Dependencies Added:
• pydantic>=2.0.0 & pydantic-settings>=2.0.0 - Type validation and settings
• numpy>=1.21.0 - Advanced calculations
• sentry-sdk>=1.40.0 - Optional error tracking
• pyyaml>=6.0 - Configuration file support
• ⬆️ Dependency Upgrades:
• rich: >=13.0.0 → >=13.7.0 - Enhanced UI features
• pytz: No constraint → >=2023.3 - Improved timezone handling
• 🛠️ Development Tools: Expanded with MyPy, Bandit, testing frameworks, and documentation tools

🎯 Enhanced User Features

• 🎛️ Flexible Configuration: Support for auto-detection, manual overrides, and persistent settings
• 🌍 Improved Timezone Handling: Enhanced timezone detection and validation
• ⚡ Performance Optimizations: Faster startup times and reduced memory usage
• 🔔 Smart Notifications: Enhanced feedback system with contextual messaging

🔧 Installation and Compatibility

• 📋 Installation Method Updates: Full support for uv, pipx, and traditional pip installation
• 🐧 Platform Compatibility: Enhanced support for modern Linux distributions with externally-managed environments
• 🛣️ Migration Path: Automatic handling of legacy configurations and smooth upgrade experience

📚 Technical Implementation Details

• 🏢 Professional Architecture: Implementation of SOLID principles with single responsibility modules
• 🔄 Async-Ready Design: Threading infrastructure for real-time monitoring capabilities
• 💾 Efficient Data Handling: Optimized JSONL parsing with error resilience
• 🔐 Security Enhancements: Secure configuration handling and optional telemetry integration