Enhance logging framework and fix build issues

- Rename SecurityLogger to SecureLogger for better clarity
- Add file:line:function tracking to all log entries
- Optimize logging with pre-compiled regex patterns and NSCache
- Add comprehensive logging for critical protocol flow points
- Fix iOS entitlements to include Bluetooth permission
- Fix VersionHello field name and optional chaining issues
- Fix Package.swift resource warnings
- Fix test compilation errors with proper type annotations

Package.swift

@@ -17,7 +17,14 @@ let package = Package(
     targets: [
         .executableTarget(
             name: "bitchat",
-            path: "bitchat"
+            path: "bitchat",
+            exclude: [
+                "Info.plist",
+                "Assets.xcassets",
+                "bitchat.entitlements",
+                "bitchat-macOS.entitlements",
+                "LaunchScreen.storyboard"
+            ]
         ),
     ]
 )