Refactor StoreKit 2 subscription system and add interactive vote widget

## StoreKit 2 Refactor
- Rewrote IAPManager with clean enum-based state model (SubscriptionState)
- Added native SubscriptionStoreView for iOS 17+ purchase UI
- Subscription status now checked on every app launch
- Synced subscription status to UserDefaults for widget access
- Simplified PurchaseButtonView and IAPWarningView
- Removed unused StatusInfoView

## Interactive Vote Widget
- New FeelsVoteWidget with App Intents for mood voting
- Subscribers can vote directly from widget, shows stats after voting
- Non-subscribers see "Tap to subscribe" which opens subscription store
- Added feels:// URL scheme for deep linking

## Firebase Removal
- Commented out Firebase imports and initialization
- EventLogger now prints to console in DEBUG mode only

## Other Changes
- Added fallback for Core Data when App Group unavailable
- Added new localization strings for subscription UI
- Updated entitlements and Info.plist

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Shared/GoogleService-Info.plist

@@ -13,22 +13,22 @@
 	<key>PLIST_VERSION</key>
 	<string>1</string>
 	<key>BUNDLE_ID</key>
-	<string>com.88oakapps.ifeel</string>
+	<string>com.tt.ifeel</string>
 	<key>PROJECT_ID</key>
 	<string>ifeels</string>
 	<key>STORAGE_BUCKET</key>
 	<string>ifeels.appspot.com</string>
 	<key>IS_ADS_ENABLED</key>
-	<false></false>
+	<false/>
 	<key>IS_ANALYTICS_ENABLED</key>
-	<false></false>
+	<false/>
 	<key>IS_APPINVITE_ENABLED</key>
-	<true></true>
+	<true/>
 	<key>IS_GCM_ENABLED</key>
-	<true></true>
+	<true/>
 	<key>IS_SIGNIN_ENABLED</key>
-	<true></true>
+	<true/>
 	<key>GOOGLE_APP_ID</key>
 	<string>1:946071058799:ios:10f66b0b5dfe758ab0509a</string>
 </dict>
-</plist>
+</plist>