增强Debug EML SSE诊断与心跳

client/src/services/debugEmlService.ts

@@ -109,6 +109,9 @@ export async function uploadDebugEmlSuperAgentRunStream(
       handlers.onTrace?.(normalizeTraceEvent(payload))
       return
     }
+    if (event.event === 'debug_heartbeat') {
+      return
+    }
     if (event.event === 'superagent_result') {
       finalResult = normalizeDebugEmlResult(payload)
       handlers.onResult?.(finalResult)

client/src/tests/debugEmlService.spec.ts

@@ -187,6 +187,8 @@ describe('debugEmlService', () => {
         'data: {"event":"reasoning.summary","run_id":"run-stream-1","text":"正在分析 Debug 邮件。","ts":"2026-07-11T10:00:01Z"}\n\n',
         'event: superagent_trace\n',
         'data: {"event":"tool.call.started","run_id":"run-stream-1","tool_name":"th_hotel_query_case_context","input_summary":"{\\"group_code\\":\\"G001\\"}"}\n\n',
+        'event: debug_heartbeat\n',
+        'data: {"debug_run_id":"90003","status":"CALLING_SUPERAGENT"}\n\n',
         'event: superagent_result\n',
         'data: {"debug_run_id":"90003","source_message_id":"30003","uploaded_media":[],"superagent_session_id":"session-stream-1","superagent_run_id":"run-stream-1","superagent_raw_answer":"{\\"route_code\\":\\"S10\\"}","superagent_parsed_json":{"route_code":"S10"},"superagent_trace_events":[{"event":"reasoning.summary","text":"正在分析 Debug 邮件。"}],"warnings":[],"status":"SUPERAGENT_SUCCEEDED"}\n\n',
         'event: done\n',