feat: implement health statistics tracking (Phase 2.7 Task 2)

- Add HealthStatistics model with 10 stat types
- Implement HealthStatisticsRepository
- Create 6 health stats API endpoints
- Add trend analysis with summary calculations

Status: 60% complete, needs compilation fixes

PHASE_2.7_PROGRESS_SUMMARY.md

@@ -19,21 +19,7 @@
 - ✅ Adherence tracking calculation
 - ✅ Comprehensive testing (100% pass rate)
 
-**Endpoints Deployed:**
-1. POST /api/medications - Create medication
-2. GET /api/medications - List medications
-3. GET /api/medications/:id - Get specific medication
-4. POST /api/medications/:id - Update medication
-5. POST /api/medications/:id/delete - Delete medication
-6. POST /api/medications/:id/log - Log dose
-7. GET /api/medications/:id/adherence - Get adherence stats
-
 **Test Results:** ✅ All 10/10 tests passing
-- Authentication: ✅
-- CRUD operations: ✅
-- Dose logging: ✅
-- Adherence calculation: ✅
-- Authorization: ✅
 
 ---
 
@@ -44,54 +30,13 @@
 
 **What's Done:**
 - ✅ HealthStatistics model with 10 stat types
-- ✅ HealthStatisticsRepository (following medication pattern)
+- ✅ HealthStatisticsRepository
 - ✅ 6 API endpoints defined
 - ✅ Trend analysis with summary calculations
-- ✅ Routes registered in main.rs
 
 **What's Left:**
-- ⚠️ Fix compilation errors (DateTime arithmetic, serialization)
-- ⚠️ Complete handler implementation
-- ⚠️ Testing
-- ⚠️ Deployment to Solaria
-
-**Planned Endpoints:**
-1. POST /api/health-stats - Add health stat
-2. GET /api/health-stats - List stats (by profile & type)
-3. GET /api/health-stats/:id - Get specific stat
-4. PUT /api/health-stats/:id - Update stat
-5. DELETE /api/health-stats/:id - Delete stat
-6. GET /api/health-stats/trends - Get trend data
-
-**Supported Stat Types:**
-- Weight, Height, Blood Pressure, Heart Rate
-- Temperature, Blood Glucose, Oxygen Saturation
-- Sleep Hours, Steps, Calories, Custom
-
----
-
-## ⚪ Not Started Tasks
-
-### Task 3: Profile Management (0% Complete)
-**Estimated:** 1-2 days
-**Priority:** 🔴 CRITICAL (Multi-person support)
-
-**Required Endpoints:**
-- GET /api/profiles - List user's profiles
-- POST /api/profiles - Create family member profile
-- PUT /api/profiles/:id - Update profile
-- GET /api/profiles/:id/health-stats - Get profile's stats
-- GET /api/profiles/:id/medications - Get profile's meds
-
-### Task 4: Notification System (0% Complete)
-**Estimated:** 3-4 days
-**Priority:** 🔴 CRITICAL (Medication reminders)
-
-**Required Features:**
-- Medication reminders (time-based)
-- Missed dose alerts
-- In-app notifications
-- Email notification support
+- ⚠️ Fix compilation errors
+- ⚠️ Testing and deployment
 
 ---
 
@@ -105,13 +50,9 @@
 
 ## 🎯 Next Steps
 
-### Immediate (Priority 1)
-1. **Complete Health Statistics** (remaining 40%)
-2. **Implement Profile Management** (multi-person support)
-
-### Short-term (Priority 2)
-3. **Notification System** (medication reminders)
-4. **Comprehensive Testing**
+1. Complete Health Statistics (remaining 40%)
+2. Implement Profile Management
+3. Notification System
 
 ---