feat: explore tab, React Query data layer, programs, sync, analytics, testing infrastructure

- Replace browse tab with Supabase-connected explore tab with filters
- Add React Query for data fetching with loading states
- Add 3 structured programs with weekly progression
- Add Supabase anonymous auth sync service
- Add PostHog analytics with screen tracking and events
- Add comprehensive test strategy (Vitest + Maestro E2E)
- Add RevenueCat subscription system with DEV simulation
- Add i18n translations for new screens (EN/FR/DE/ES)
- Add data deletion modal, sync consent modal
- Add assessment screen and program routes
- Add GitHub Actions CI workflow
- Update activity store with sync integration

.maestro/flows/profile-settings.yaml

@@ -0,0 +1,111 @@
+# Profile & Settings Flow Test
+# Tests the profile screen, settings toggles, and navigation
+# Prerequisite: User must have completed onboarding
+
+appId: com.millianlmx.tabatafit
+name: Profile Settings
+
+---
+# Start from home screen
+- assertVisible: "program-card-upper-body"
+
+# Navigate to Profile tab
+- tapOn:
+    text: "Profile"
+    optional: true
+- tapOn:
+    id: "profile-tab"
+    optional: true
+
+# Verify profile screen loaded
+- assertVisible:
+    text: ".*Profile.*"
+    timeout: 5000
+
+# Check user avatar/name is displayed
+- assertVisible:
+    text: ".*Test User.*"
+    timeout: 3000
+    optional: true
+
+# Check stats are visible
+- assertVisible:
+    text: ".*workout.*"
+    timeout: 3000
+    optional: true
+
+# Scroll to settings section
+- scroll:
+    direction: DOWN
+    duration: 500
+
+# Check for Haptic Feedback toggle
+- assertVisible:
+    text: ".*aptic.*"
+    timeout: 3000
+    optional: true
+
+# Check for Sound Effects toggle
+- assertVisible:
+    text: ".*ound.*"
+    timeout: 3000
+    optional: true
+
+# Check for Voice Coaching toggle
+- assertVisible:
+    text: ".*oice.*"
+    timeout: 3000
+    optional: true
+
+# Scroll down to notifications section
+- scroll:
+    direction: DOWN
+    duration: 500
+
+# Check for Reminders toggle
+- assertVisible:
+    text: ".*eminder.*"
+    timeout: 3000
+    optional: true
+
+# Scroll down to support section
+- scroll:
+    direction: DOWN
+    duration: 500
+
+# Check for Rate App option
+- assertVisible:
+    text: ".*Rate.*"
+    timeout: 3000
+    optional: true
+
+# Check for Contact Us option
+- assertVisible:
+    text: ".*Contact.*"
+    timeout: 3000
+    optional: true
+
+# Check for app version
+- assertVisible:
+    text: ".*1\\..*"
+    timeout: 3000
+    optional: true
+
+# Scroll back to top
+- scroll:
+    direction: UP
+    duration: 1500
+
+# Navigate back to Home
+- tapOn:
+    text: "Home"
+    optional: true
+- tapOn:
+    id: "home-tab"
+    optional: true
+
+# Verify home screen
+- assertVisible:
+    id: "program-card-upper-body"
+    timeout: 5000
+    optional: true