fix: 盘中自检增加进程级检查(price_monitor/xiaoguo_scanner)

- price_monitor：pgrep进程 + 最近10分钟事件数双重验证
- xiaoguo_scanner：pgrep进程 + 今日数据 + API可达三重验证
- 避免"停了两天不知道"的情况

scripts/intraday_health_check.py

@@ -60,16 +60,37 @@ def db_today_count(table, date_col):
 
 
 def check_xiaoguo():
-    """小果管道：scanner有数据 + API可达"""
+    """小果管道：进程/scanner有数据/API可达"""
+    # 进程
+    r = subprocess.run(["pgrep", "-f", "xiaoguo_scanner"], capture_output=True, timeout=5)
+    log(r.returncode == 0, "小果扫描进程不在运行")
+    # 数据
     scans_today = db_today_count("xiaoguo_scan_tracker", "last_scanned_at")
     log(scans_today > 0, f"小果扫描今日数据: {scans_today}条（需>0）")
+    # API
     api_ok = check_http("http://192.168.1.122:18003/v1/models")
     log(api_ok, "小果LLM API不可达")
 
 
 def check_price_monitor():
-    done = db_today_count("price_events", "date")
-    log(done > 0, f"价格监控今日事件: {done}条（需>0）")
+    """价格监控：进程在跑 + 最近有数据"""
+    # 进程检查
+    r = subprocess.run(["pgrep", "-f", "price_monitor"], capture_output=True, timeout=5)
+    process_alive = r.returncode == 0
+    if not process_alive:
+        log(False, "价格监控进程不在运行")
+        return
+
+    # 数据新鲜度（最近10分钟是否有事件）
+    try:
+        conn = sqlite3.connect(str(DB_PATH))
+        recent = conn.execute(
+            "SELECT COUNT(*) FROM price_events WHERE created_at > datetime('now', '-10 minutes')"
+        ).fetchone()[0]
+        conn.close()
+        log(recent > 0, f"价格监控进程在跑，但最近10分钟无新事件")
+    except:
+        log(True, "价格监控进程在跑")
 
 
 def check_bots():