feat(coding): add durable project identity core

electron/api/coding-composition.ts

@@ -178,6 +178,9 @@ export function createCodingComposition(
         .catch(() => []);
       for (const conversation of conversations) registry.forget(conversation.id);
     },
+    onProjectIdentityChanging: async (project) => {
+      await options.browser.close(project.path);
+    },
     onProjectDeactivated: async (project, reason) => {
       const conversations = await conversationStoreForProject(project.path).read()
         .then((file) => file.conversations)