fix: 合规审查卡死修复 + 小红书复制格式 + today-only过滤

platform/backend/app/core/optimizer.py

@@ -4,6 +4,7 @@ import logging
 import os
 import json
 import time
+import threading
 from datetime import datetime
 from typing import List, Optional, Dict
 
@@ -14,6 +15,7 @@ if os.getenv('PROJECT_ROOT'):
     PROJECT_ROOT = Path(os.getenv('PROJECT_ROOT'))
 
 _running_processes: Dict[str, dict] = {}
+_lock = threading.Lock()
 
 def _get_cmd(topic_ids: List[str] = None):
     script_path = PROJECT_ROOT / "scripts" / "compliance_optimizer.py"
@@ -23,15 +25,22 @@ def _get_cmd(topic_ids: List[str] = None):
     cmd = [str(venv_python), str(script_path)] if venv_python.exists() else ["python3", str(script_path)]
     if topic_ids:
         cmd.extend(["--topic-ids", ','.join(topic_ids)])
+    else:
+        cmd.append("--today-only")
     return cmd
 
 def run_optimizer(topic_ids: List[str] = None):
     """非阻塞：后台启动合规审查脚本，立即返回"""
-    cmd = _get_cmd(topic_ids)
-    proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, cwd=str(PROJECT_ROOT))
-    _running_processes["optimizer"] = {"pid": proc.pid, "started_at": time.time(), "process": proc, "topic_ids": topic_ids}
+    with _lock:
+        existing = _running_processes.get("optimizer", {})
+        proc = existing.get("process")
+        if proc and proc.poll() is None:
+            raise RuntimeError("已有合规审查任务正在运行，请等待完成后再试")
+        cmd = _get_cmd(topic_ids)
+        proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True, cwd=str(PROJECT_ROOT))
+        _running_processes["optimizer"] = {"pid": proc.pid, "started_at": time.time(), "process": proc, "topic_ids": topic_ids}
     logger.info("Optimizer started in background (pid=%s, topic_ids=%s)", proc.pid, topic_ids)
-    return {"ok": True, "pid": proc.pid, "topic_ids": topic_ids}
+    return {"ok": True, "pid": proc.pid, "topic_ids": topic_ids, "_proc": proc}
 
 def run_optimizer_blocking(topic_ids: List[str] = None, timeout: int = 600):
     """阻塞版：带超时，给定时任务使用"""
@@ -54,9 +63,11 @@ def get_optimizer_status() -> Optional[Dict]:
     if not info:
         return None
     proc = info["process"]
+    if "finished" in info:
+        return {"status": "completed" if info.get("returncode") == 0 else "failed", "pid": info["pid"], "elapsed": round(time.time() - info["started_at"], 1), "returncode": info.get("returncode")}
     if proc.poll() is not None:
-        stdout, stderr = proc.communicate()
+        info["returncode"] = proc.returncode
+        info["finished"] = True
         elapsed = time.time() - info["started_at"]
-        del _running_processes["optimizer"]
-        return {"status": "completed" if proc.returncode == 0 else "failed", "pid": info["pid"], "elapsed": round(elapsed, 1), "returncode": proc.returncode, "stdout": stdout.strip()[-300:], "stderr": stderr.strip()[-300:]}
+        return {"status": "completed" if proc.returncode == 0 else "failed", "pid": info["pid"], "elapsed": round(elapsed, 1), "returncode": proc.returncode}
     return {"status": "running", "pid": info["pid"], "elapsed": round(time.time() - info["started_at"], 1)}