Update to check app configurations for extensions

Author: intitni

Pro

@@ -1,16 +1,45 @@
+import AppKit
+import Combine
 import Foundation
+import XcodeInspector
 
 public final class BuiltinExtensionManager {
     public static let shared: BuiltinExtensionManager = .init()
     private(set) var extensions: [BuiltinExtension] = []
-    
+
+    private var cancellable: Set<AnyCancellable> = []
+
+    init() {
+        XcodeInspector.shared.$activeApplication.sink { [weak self] app in
+            if let app, app.isXcode || app.isExtensionService {
+                self?.checkAppConfiguration()
+            }
+        }.store(in: &cancellable)
+    }
+
     public func setupExtensions(_ extensions: [BuiltinExtension]) {
         self.extensions = extensions
     }
-    
+
     public func terminate() {
         for ext in extensions {
             ext.terminate()
         }
     }
 }
+
+extension BuiltinExtensionManager {
+    func checkAppConfiguration() {
+        let suggestionFeatureProvider = UserDefaults.shared.value(for: \.suggestionFeatureProvider)
+        for ext in extensions {
+            let isSuggestionFeatureInUse = suggestionFeatureProvider ==
+                .builtIn(ext.suggestionServiceId)
+            let isChatFeatureInUse = false
+            ext.appConfigurationDidChange(.init(
+                suggestionServiceInUse: isSuggestionFeatureInUse,
+                chatServiceInUse: isChatFeatureInUse
+            ))
+        }
+    }
+}
+