diff --git a/src/daemon/spawner.py b/src/daemon/spawner.py
index 99e0b4c..60c71ae 100644
--- a/src/daemon/spawner.py
+++ b/src/daemon/spawner.py
@@ -768,6 +768,10 @@ curl -X POST http://{api_host}:{api_port}/api/projects/{project_id}/tasks/{task_
                     agent_id, session_id, outcome, exit_code, task_status)
 
         if cls["should_retry"]:
+            # cooldown: 新增的可恢复场景（A14/A15/A16/A8/A10）
+            cooldown_seconds = cls.get("cooldown_seconds", 0)
+            if cooldown_seconds and self.counter:
+                self.counter.set_cooldown(agent_id, seconds=cooldown_seconds)
             # A2/A3: gateway_timeout → 续杯(on_complete 会 release counter)
             await self._do_retry(
                 session_id, agent_id, task_id, on_complete, db_path,
@@ -828,7 +832,7 @@ curl -X POST http://{api_host}:{api_port}/api/projects/{project_id}/tasks/{task_
                                agent_id, session_id, task_id, fallback_count,
                                self.max_retries, json_result.get("fallback_reason"))
                 if self.counter:
-                    self.counter.set_cooldown(agent_id, seconds=30)
+                    self.counter.set_cooldown(agent_id, seconds=60)
                 await self._do_retry(
                     session_id, agent_id, task_id, on_complete, db_path,
                     "fallback_retry_count"  # 独立计数，不与 gateway_timeout 的 retry_count 共用
@@ -839,7 +843,7 @@ curl -X POST http://{api_host}:{api_port}/api/projects/{project_id}/tasks/{task_
             #      A10(compact_failed), A12(agent_error)
             # v2.8.1 Fix-3a: crash 类 outcome 设 cooldown，给 agent session 恢复时间
             if outcome in ("crashed", "compact_failed", "process_crash", "session_stuck",
-                           "compact_hanging", "agent_error") and self.counter:
+                           "compact_hanging", "agent_error", "compact_interrupted") and self.counter:
                 self.counter.set_cooldown(agent_id, seconds=300)  # 5 分钟
                 logger.info("Crash/error cooldown set for %s: 300s (outcome=%s)", agent_id, outcome)
             # 注意: cooldown 期间任务状态仍为 working，但 counter 已释放。
@@ -1286,8 +1290,8 @@ curl -X POST http://{api_host}:{api_port}/api/projects/{project_id}/tasks/{task_
                           task_status: Optional[str], stdout_text: str = "") -> dict:
         """分类退出原因,返回处理策略
 
-        v3.0: 基于 JSON status/summary/executionTrace 判定,不再依赖 transport 字段。
-        只有 status="timeout" 触发 retry,其他都不 retry。
+        v3.1: A0 拆分为 A14-A17（信号中断/stderr 智能分类）。
+        A8/A10 改为可恢复 retry。cooldown 统一 60s。
         """
         status = json_result.get("status")
         summary = json_result.get("summary", "")
@@ -1312,10 +1316,22 @@ curl -X POST http://{api_host}:{api_port}/api/projects/{project_id}/tasks/{task_
             return {"outcome": "gateway_timeout", "should_retry": True,
                     "retry_field": "retry_count"}
 
-        # A0: stdout 为空且 exit≠0 = 进程异常终止
-        # 注意:exit=0 + stdout 为空可能是正常完成(--json 没输出),
-        # 此时 task_status 如果是 done/review 会被上面的 A4 兜住
+        # A0 拆分: 无 JSON 输出 + exit≠0
         if status is None and not stdout_text.strip() and exit_code != 0:
+            # A14: SIGINT(130) / SIGTERM(143) → 外部中断，可恢复
+            if exit_code in (130, 143):
+                return {"outcome": "interrupted", "should_retry": True,
+                        "retry_field": "retry_count", "cooldown_seconds": 60}
+            # A15/A16: stderr 含 network/compact 关键字 → 可恢复
+            if stderr_text:
+                stderr_lower = stderr_text.lower()
+                if any(kw in stderr_lower for kw in ["econnrefused", "etimedout", "gateway closed", "econnreset"]):
+                    return {"outcome": "gateway_unreachable", "should_retry": True,
+                            "retry_field": "retry_count", "cooldown_seconds": 60}
+                if any(kw in stderr_lower for kw in ["compaction-diag", "context-overflow"]):
+                    return {"outcome": "compact_interrupted", "should_retry": True,
+                            "retry_field": "retry_count", "cooldown_seconds": 60}
+            # A17: 真正的 crash → 保持 working，ticker 兜底
             return {"outcome": "crashed", "should_retry": False, "original": "process_crash"}
 
         # stdout 为空但 exit=0:可能是正常完成但 --json 没输出
@@ -1332,13 +1348,15 @@ curl -X POST http://{api_host}:{api_port}/api/projects/{project_id}/tasks/{task_
             if any(kw in stderr_lower for kw in ["401", "403", "unauthorized", "auth"]):
                 return {"outcome": "auth_failed", "should_retry": False}
             if any(kw in stderr_lower for kw in ["econnrefused", "etimedout", "gateway closed", "econnreset"]):
-                return {"outcome": "gateway_unreachable", "should_retry": False}
+                return {"outcome": "gateway_unreachable", "should_retry": True,
+                        "retry_field": "retry_count", "cooldown_seconds": 60}
             if any(kw in stderr_lower for kw in ["rate_limit", "500", "503", "api error"]):
                 return {"outcome": "api_error", "should_retry": False}
             if any(kw in stderr_lower for kw in ["compaction-diag", "context-overflow"]):
                 return {"outcome": "compact_failed", "should_retry": False}
             if any(kw in stderr_lower for kw in ["lock", "busy", "concurrent", "lane task error"]):
-                return {"outcome": "lock_conflict", "should_retry": False}
+                return {"outcome": "lock_conflict", "should_retry": True,
+                        "retry_field": "retry_count", "cooldown_seconds": 60}
             return {"outcome": "agent_error", "should_retry": False}
 
         # 兜底:status 未知值