test: add QA coverage — access unit tests, VideoPlayer snapshots, Maestro E2E flows, testIDs

- Add testIDs to explore, workout detail, and collection detail screens
- Add testID prop to VideoPlayer component
- Create access service unit tests (isFreeWorkout, canAccessWorkout)
- Create VideoPlayer rendering snapshot tests (preview/background modes)
- Create Maestro E2E flows: explore-freemium, collection-detail
- Update tab-navigation flow with Explore screen assertions
- Update profile-settings flow with real activity stat assertions
- Update all-tests suite to include new flows

.maestro/flows/collection-detail.yaml

@@ -0,0 +1,93 @@
+# Collection Detail Test
+# Tests navigating to a collection and viewing its workouts
+# Prerequisite: User must have completed onboarding
+
+appId: com.millianlmx.tabatafit
+name: Collection Detail
+
+---
+# Navigate to Explore tab
+- tapOn:
+    text: "Explore"
+    optional: true
+- tapOn:
+    id: "explore-tab"
+    optional: true
+
+# Verify Explore screen loaded
+- assertVisible:
+    id: "explore-screen"
+    timeout: 5000
+
+# Verify collections section
+- assertVisible:
+    id: "collections-section"
+    timeout: 3000
+    optional: true
+
+# Tap the first collection card
+- tapOn:
+    text: ".*collection.*"
+    optional: true
+
+# If collection-card testIDs are visible, tap by testID instead
+- tapOn:
+    id: "collection-card-.*"
+    optional: true
+
+# Verify collection detail screen loaded
+- assertVisible:
+    id: "collection-detail-screen"
+    timeout: 5000
+    optional: true
+
+# Verify hero card is visible
+- assertVisible:
+    id: "collection-hero"
+    timeout: 3000
+    optional: true
+
+# Verify back button exists
+- assertVisible:
+    id: "collection-back-button"
+    timeout: 3000
+    optional: true
+
+# Verify workouts are listed
+- assertVisible:
+    text: ".*Workout.*"
+    timeout: 3000
+    optional: true
+
+# Scroll to see more workouts
+- scroll:
+    direction: DOWN
+    duration: 500
+
+# Tap a workout in the collection
+- tapOn:
+    id: "collection-workout-.*"
+    optional: true
+
+# Verify workout detail opened
+- assertVisible:
+    id: "workout-detail-screen"
+    timeout: 5000
+    optional: true
+
+# Go back to collection
+- pressKey: back
+  optional: true
+
+# Go back to explore via back button
+- tapOn:
+    id: "collection-back-button"
+    optional: true
+
+# Navigate back to Home
+- tapOn:
+    text: "Home"
+    optional: true
+- tapOn:
+    id: "home-tab"
+    optional: true