- Restructured roadmap to focus on ESP32 firmware development only
- Removed time constraints from all development phases
- Clarified data flow: ESP32 streams to webapp, webapp handles all logging
- Updated deliverables: firmware components, hardware integration, OLED support
- Removed PC software and web visualization phases (handled by separate webapp)
- Updated success criteria for ESP32 firmware performance metrics
- Updated dev notes to reflect webapp integration architecture
- Move documentation to organized docs/ directory structure
- Add dev notes
- Create comprehensive 5-phase roadmap for indoor positioning system
- Move AT command manual and hardware images to docs/
- Update README with hardware links and project overview
- Remove sleep mode and OTA functionality for simplification
- Clean up project structure for production development
