fix: resolve merge conflict in claude_code.rs

Keep master's quiet system/rate_limit_event handlers while preserving
the story-62 permission_request handler (the core feature).

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/src/types.ts

@@ -48,13 +48,24 @@ export type WsRequest =
 	  }
 	| {
 			type: "cancel";
+	  }
+	| {
+			type: "permission_response";
+			request_id: string;
+			approved: boolean;
 	  };
 
 export type WsResponse =
 	| { type: "token"; content: string }
 	| { type: "update"; messages: Message[] }
 	| { type: "session_id"; session_id: string }
-	| { type: "error"; message: string };
+	| { type: "error"; message: string }
+	| {
+			type: "permission_request";
+			request_id: string;
+			tool_name: string;
+			tool_input: Record<string, unknown>;
+	  };
 
 // Re-export API client types for convenience
 export type {