diff --git a/pipeline_service/agent_loop.py b/pipeline_service/agent_loop.py
index 4a10219..c55f4e5 100644
--- a/pipeline_service/agent_loop.py
+++ b/pipeline_service/agent_loop.py
@@ -3678,7 +3678,13 @@ async def pm_review_run(project_id, agent_id=None, model_name=None):
                     "随后必须立即输出 review_approve / review_reject / review_complete / review_rollback 之一，"
                     "禁止再调用其它工具。"})
             try:
-                raw = await llm_call_msgs(msgs, model=model_name, temperature=0.3, org_id=org_id, project_id=project_id, session_id='task:%s' % task_id)
+                # timeout 必传（2026-09-16 pbls QC 超时事故）：不传则 payload 无
+                # _timeout → inference 用供应商端点配置（百炼 120s）掐断上游，
+                # QC/PM 大上下文长生成（170~370s 实测）必撞墙 → 3 次 attempt
+                # ≈370s 又超客户端缺省 330s → TimeoutError → 回置 3 次达上限
+                # → fault+pause（2026-09-14 同款预算错位，当时只修了 develop
+                # native 路径，QC/PM/复盘三处漏挂）。
+                raw = await llm_call_msgs(msgs, model=model_name, temperature=0.3, org_id=org_id, project_id=project_id, session_id='task:%s' % task_id, timeout=_LLM_CLIENT_TIMEOUT)
             except Exception as e:
                 err_msg = f"{type(e).__name__}: {str(e)[:400]}"
                 # PM 审核环节基础设施故障 → 回置 review 重审，不打 fail 让上游重做
@@ -4056,7 +4062,12 @@ async def qc_review_run(project_id, agent_id=None, model_name=None):
                 msgs.append({"role": "user", "content":
                     "已检查足够信息。现在必须立即输出 review_approve 或 review_reject，禁止再调用其它工具。"})
             try:
-                raw = await llm_call_msgs(msgs, model=model_name, temperature=0.2, org_id=org_id, project_id=project_id, session_id='task:%s' % task_id)
+                # timeout 必传（2026-09-16 pbls QC 超时事故，与 PM 审核同款）：
+                # 不传 → inference 按端点配置 120s 掐断 + 客户端缺省 330s，QC
+                # 大上下文审核（16 轮取证、170~370s 长生成）结构性必超时 →
+                # 回置 3 次达上限 → fault+pause。传 _LLM_CLIENT_TIMEOUT(570)
+                # 同时透传 payload._timeout 让 inference 侧按 510s 等上游。
+                raw = await llm_call_msgs(msgs, model=model_name, temperature=0.2, org_id=org_id, project_id=project_id, session_id='task:%s' % task_id, timeout=_LLM_CLIENT_TIMEOUT)
             except Exception as e:
                 err_msg = f"{type(e).__name__}: {str(e)[:400]}"
                 # 审核方基础设施故障 ≠ develop 交付失败（2026-09-16 pbls M1a 事故根治）：
@@ -4311,7 +4322,8 @@ async def retrospective_run(project_id, agent_id=None, model_name=None):
                     "已执行足够轮次。现在必须立即收尾：write_file 写复盘报告（若未写），然后输出 deliver 提交，禁止再调其它工具。"})
             try:
                 raw = await asyncio.wait_for(
-                    llm_call_msgs(msgs, model=model_name, temperature=0.3, org_id=org_id, project_id=project_id, session_id='task:%s' % task_id),
+                    # timeout 必传（2026-09-16 pbls 同款预算错位第三处：复盘）
+                    llm_call_msgs(msgs, model=model_name, temperature=0.3, org_id=org_id, project_id=project_id, session_id='task:%s' % task_id, timeout=_LLM_CLIENT_TIMEOUT),
                     timeout=_LLM_HARD_TIMEOUT)
             except Exception as e:
                 err_msg = f"{type(e).__name__}: {str(e)[:400]}"