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>

Configuration.storekit

@@ -1,4 +1,14 @@
 {
+  "appPolicies" : {
+    "eula" : "",
+    "policies" : [
+      {
+        "locale" : "en_US",
+        "policyText" : "",
+        "policyURL" : ""
+      }
+    ]
+  },
   "identifier" : "00CCEDCC",
   "nonRenewingSubscriptions" : [
 
@@ -7,7 +17,53 @@
 
   ],
   "settings" : {
-
+    "_askToBuyEnabled" : false,
+    "_billingGracePeriodEnabled" : false,
+    "_billingIssuesEnabled" : false,
+    "_disableDialogs" : false,
+    "_failTransactionsEnabled" : false,
+    "_locale" : "en_US",
+    "_renewalBillingIssuesEnabled" : false,
+    "_storefront" : "USA",
+    "_storeKitErrors" : [
+      {
+        "enabled" : false,
+        "name" : "Load Products"
+      },
+      {
+        "enabled" : false,
+        "name" : "Purchase"
+      },
+      {
+        "enabled" : false,
+        "name" : "Verification"
+      },
+      {
+        "enabled" : false,
+        "name" : "App Store Sync"
+      },
+      {
+        "enabled" : false,
+        "name" : "Subscription Status"
+      },
+      {
+        "enabled" : false,
+        "name" : "App Transaction"
+      },
+      {
+        "enabled" : false,
+        "name" : "Manage Subscriptions Sheet"
+      },
+      {
+        "enabled" : false,
+        "name" : "Refund Request Sheet"
+      },
+      {
+        "enabled" : false,
+        "name" : "Offer Code Redeem Sheet"
+      }
+    ],
+    "_timeRate" : 0
   },
   "subscriptionGroups" : [
     {
@@ -36,11 +92,14 @@
               "locale" : "en_US"
             }
           ],
-          "productID" : "com.88oakapps.ifeel.IAP.subscriptions.weekly",
+          "productID" : "com.tt.ifeel.IAP.subscriptions.weekly",
           "recurringSubscriptionPeriod" : "P1W",
           "referenceName" : "Weekly",
           "subscriptionGroupID" : "2CFE4C4F",
-          "type" : "RecurringSubscription"
+          "type" : "RecurringSubscription",
+          "winbackOffers" : [
+
+          ]
         },
         {
           "adHocOffers" : [
@@ -61,11 +120,14 @@
               "locale" : "en_US"
             }
           ],
-          "productID" : "com.88oakapps.ifeel.IAP.subscriptions.monthly",
+          "productID" : "com.tt.ifeel.IAP.subscriptions.monthly",
           "recurringSubscriptionPeriod" : "P1M",
           "referenceName" : "Monthly",
           "subscriptionGroupID" : "2CFE4C4F",
-          "type" : "RecurringSubscription"
+          "type" : "RecurringSubscription",
+          "winbackOffers" : [
+
+          ]
         },
         {
           "adHocOffers" : [
@@ -86,17 +148,20 @@
               "locale" : "en_US"
             }
           ],
-          "productID" : "com.88oakapps.ifeel.IAP.subscriptions.yearly",
+          "productID" : "com.tt.ifeel.IAP.subscriptions.yearly",
           "recurringSubscriptionPeriod" : "P1Y",
           "referenceName" : "Yearly",
           "subscriptionGroupID" : "2CFE4C4F",
-          "type" : "RecurringSubscription"
+          "type" : "RecurringSubscription",
+          "winbackOffers" : [
+
+          ]
         }
       ]
     }
   ],
   "version" : {
-    "major" : 1,
-    "minor" : 2
+    "major" : 4,
+    "minor" : 0
   }
 }