v3.0.0 - Zero Interaction Version

🚀 Major Updates:
- Complete Bitwarden integration for zero-interaction credential management
- New one-click runner: zero_interaction_runner.py
- Automated session management with intelligent caching
- Project cleanup: removed 7 test files, streamlined to 17 core files
- Enhanced security: no hardcoded passwords, centralized credential management
- Improved documentation: unified guides and cleanup logs

🔐 Security Features:
- Automatic Bitwarden vault unlocking using stored master password
- Session file caching to minimize unlock frequency
- Cross-session credential persistence
- Safe fallback to environment variables

🧹 Architecture Improvements:
- Removed duplicate test scripts and documentation
- Consolidated Bitwarden management into 2 core modules
- Streamlined project structure for production deployment
- Updated README and SKILL.md for v3.0 features

📊 Core Functionality Preserved:
- All data processing features intact
- Enhanced data extraction (50+ fields)
- Automated chart generation and sending
- Batch processing capabilities
- Complete email automation
