Rename iFeels to Feels across entire codebase

- Bundle IDs: com.tt.ifeel* → com.tt.feels*
- App Groups: group.com.tt.ifeel* → group.com.tt.feels*
- iCloud containers: iCloud.com.tt.ifeel* → iCloud.com.tt.feels*
- IAP product IDs: com.tt.ifeel.IAP.* → com.tt.feels.IAP.*
- URLs: ifeels.app → feels.app
- Logger subsystems and dispatch queues
- Product names and display names

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

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

Shared/Services/AppLogger.swift

@@ -29,6 +29,6 @@ enum AppLogger {
     // MARK: - Private
 
     private static var subsystem: String {
-        Bundle.main.bundleIdentifier ?? "com.tt.ifeel"
+        Bundle.main.bundleIdentifier ?? "com.tt.feels"
     }
 }

Shared/Services/ImageCache.swift

@@ -13,7 +13,7 @@ final class ImageCache {
     static let shared = ImageCache()
 
     private let cache = NSCache<NSString, UIImage>()
-    private let queue = DispatchQueue(label: "com.tt.ifeel.imagecache", qos: .userInitiated)
+    private let queue = DispatchQueue(label: "com.tt.feels.imagecache", qos: .userInitiated)
 
     private init() {
         // Configure cache limits

Shared/Services/WatchConnectivityManager.swift

@@ -17,7 +17,7 @@ final class WatchConnectivityManager: NSObject, ObservableObject {
 
     static let shared = WatchConnectivityManager()
 
-    private static let logger = Logger(subsystem: "com.tt.ifeel", category: "WatchConnectivity")
+    private static let logger = Logger(subsystem: "com.tt.feels", category: "WatchConnectivity")
 
     private var session: WCSession?