- Added .nav-logo CSS styling to dashboard.html, settings.html, calibration.html, files.html
- Added logo image at start of each navigation bar using logo/[LOGO] TCK.svg
- Logo displays at 40px height, touch-friendly sizing
- Added Files menu link to dashboard, settings, and calibration templates
- Follows existing nav structure with nav-btn class and Bootstrap Icons
- Enables navigation to /files route for file management page
Part of 02-01 file management plan
- Add Flask backend with SocketIO for real-time updates
- Implement sensor service with mock data generation
- Create Dashboard UI with rainfall, voltage, status displays
- Create Settings UI with station, network, ADC, sensor configuration
- Create Calibration UI with live ADC readings and rainfall reset
- Touch-optimized interface with 64px touch targets for 7" display
Implements: DASH-01 through DASH-09, UI-01 through UI-03,
SETT-01 through SETT-08, CAL-01 through CAL-04, BACK-01 through BACK-03
