docs(phase-1): complete Phase 1 planning and tracking

- Update ROADMAP.md with Phase 1 complete
- Update STATE.md with progress and current focus
- Create 01-SUMMARY.md with implementation details

.planning/ROADMAP.md

@@ -12,7 +12,7 @@ This roadmap delivers a complete rainfall monitoring system running on Raspberry
 
 Decimal phases appear between their surrounding integers in numeric order.
 
-- [ ] **Phase 1: Foundation & Kiosk UI** - Core sensor display on 7" touchscreen (port 8080)
+- [x] **Phase 1: Foundation & Kiosk UI** - Core sensor display on 7" touchscreen (port 8080)
 - [ ] **Phase 2: Data Persistence & File Management** - CSV logging and file operations
 - [ ] **Phase 3: Network Transmission** - Data transmission to myvscada server
 - [ ] **Phase 4: Remote Access** - Full HD remote interface (port 9090) with authentication
@@ -33,7 +33,7 @@ Decimal phases appear between their surrounding integers in numeric order.
   7. User can view live ADC channel readings and reset rainfall counters in calibration view
   8. Dashboard updates automatically with real-time sensor data
   9. Touch interface responds with large touch targets (minimum 48px) optimized for 7" 1024x600 display
-**Plans**: TBD
+**Plans**: 1/1 (Complete)
 
 ### Phase 2: Data Persistence & File Management
 **Goal**: CSV data logging to flash memory with file management UI
@@ -74,7 +74,7 @@ Phases execute in numeric order: 1 → 2 → 3 → 4
 
 | Phase | Plans Complete | Status | Completed |
 |-------|----------------|--------|-----------|
-| 1. Foundation & Kiosk UI | 0/1 | Not started | - |
+| 1. Foundation & Kiosk UI | 1/1 | Complete | 2026-03-12 |
 | 2. Data Persistence & File Management | 0/1 | Not started | - |
 | 3. Network Transmission | 0/1 | Not started | - |
 | 4. Remote Access | 0/1 | Not started | - |