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string = userMessage.parts\n\t\t\t.filter((part) => part.kind === \"text\")\n\t\t\t.map((part) => part.text)\n\t\t\t.join(\"\\n\");\n\t\tif (message.length === 0) {\n\t\t\tloggers.server.warn(`Empty message received for task ${taskId}.`);\n\t\t\tconst failureUpdate = this.createTaskStatusUpdateEvent(\n\t\t\t\ttaskId,\n\t\t\t\tthreadId,\n\t\t\t\t\"failed\",\n\t\t\t\t\"No message found to process.\",\n\t\t\t);\n\t\t\teventBus.publish(failureUpdate);\n\t\t\treturn;\n\t\t}\n\n\t\tconst stream = this.queryService.handleQuery(\n\t\t\t{ userId: agentId, type, threadId },\n\t\t\t{ query: message },\n\t\t\ttrue,\n\t\t);\n\n\t\ttry {\n\t\t\tlet finalResponseText = \"\";\n\t\t\tfor await (const event of stream) {\n\t\t\t\tif (this.canceledTasks.has(taskId)) {\n\t\t\t\t\tloggers.server.info(`Task ${taskId} was canceled.`);\n\t\t\t\t\tconst canceledUpdate = this.createTaskStatusUpdateEvent(\n\t\t\t\t\t\ttaskId,\n\t\t\t\t\t\tthreadId,\n\t\t\t\t\t\t\"canceled\",\n\t\t\t\t\t);\n\t\t\t\t\teventBus.publish(canceledUpdate);\n\t\t\t\t\treturn;\n\t\t\t\t}\n\n\t\t\t\tif (event.event === \"text_chunk\") {\n\t\t\t\t\tfinalResponseText += event.data.delta;\n\t\t\t\t} else if (event.event === \"thinking_process\") {\n\t\t\t\t\tconst thinkingProcessUpdate = this.createTaskStatusUpdateEvent(\n\t\t\t\t\t\ttaskId,\n\t\t\t\t\t\tthreadId,\n\t\t\t\t\t\t\"working\",\n\t\t\t\t\t\tJSON.stringify(event.data),\n\t\t\t\t\t);\n\t\t\t\t\teventBus.publish(thinkingProcessUpdate);\n\t\t\t\t}\n\t\t\t}\n\n\t\t\tconst finalUpdate = this.createTaskStatusUpdateEvent(\n\t\t\t\ttaskId,\n\t\t\t\tthreadId,\n\t\t\t\t\"completed\",\n\t\t\t\tfinalResponseText,\n\t\t\t);\n\t\t\teventBus.publish(finalUpdate);\n\t\t\tloggers.server.info(`Task ${taskId} completed successfully.`);\n\t\t} catch (error: any) {\n\t\t\tloggers.server.error(`Error processing task ${taskId}:`, error);\n\t\t\tconst errorUpdate = this.createTaskStatusUpdateEvent(\n\t\t\t\ttaskId,\n\t\t\t\tthreadId,\n\t\t\t\t\"failed\",\n\t\t\t\t`Agent error: ${error.message}`,\n\t\t\t);\n\t\t\teventBus.publish(errorUpdate);\n\t\t}\n\t}\n}\n"]}