feat: upgrade investigation and presentation runtime

src/routes/chatStreamRoute.ts

@@ -875,7 +875,7 @@ export const registerChatStreamRoute = (
         });
       };
 
-      const unregisterFrontendActionSink = parsed.data.capabilities.includes("frontend-action@1")
+      const unregisterFrontendActionSink = parsed.data.capabilities.includes("frontend-action@2")
         ? frontendActionCoordinator.registerSink(clientSessionId, (request) => publish("frontend_action", request as unknown as Record<string, unknown>))
         : undefined;
       let credentialFailure: Error | undefined;
@@ -995,13 +995,12 @@ export const registerChatStreamRoute = (
           traceId: requestContext.traceId,
           projectId: requestContext.projectId,
           signal: abortController.signal,
-          suppressLegacyFrontendActions: parsed.data.capabilities.includes("frontend-action@1"),
           suppressAnswerUi: sessionPurpose === "task_execution",
           beforePrompt: async () => { await inputTracker.restore(); await messaging?.flush(binding.sessionId); },
           onPromptDispatched: () => inputTracker.markReady(),
           onInboxEvent: (type, data) => inputTracker.observe(type, data),
           waitForUserInput: async () => !await inputTracker.canClose(),
-          beforeRichAnswerClose: async () => {
+          beforeAnswerClose: async () => {
             // A consumed input may still be awaiting its model step. Let the
             // native runner drain it instead of interrupting on an older answer.
             if (inputTracker.hasAdditionalInput) return false;
@@ -1160,7 +1159,7 @@ export const registerChatStreamRoute = (
               title: sessionTitle,
             });
             await stopTaskHeartbeat();
-            await persistQueue.catch((error) => {
+        await persistQueue.catch((error) => {
               logger.warn({ err: error, sessionId: clientSessionId }, "failed to persist chat stream state");
             });
           }