feat: 告警阈值调整脚本

scripts/deploy/relax-alarms.py

@@ -0,0 +1,47 @@
+#!/usr/bin/env python3
+"""调整生产环境告警阈值——降低人脸误报和劳保鞋告警频率。
+   运行后重新下发设备配置即生效。"""
+import sqlite3, json
+
+DB = '/opt/safesightd/data/app.db'
+TEMPLATE = 'std_workshop_face_recognition_shoe_alarm'
+
+c = sqlite3.connect(DB)
+body = json.loads(c.execute("SELECT body_json FROM templates WHERE name=?", (TEMPLATE,)).fetchone()[0])
+nodes = body['template']['nodes']
+
+for n in nodes:
+    if n.get('id') != 'alarm_violation':
+        continue
+    cfg = n['config']
+    cfg['cooldown_ms'] = 60000
+    cfg['min_score'] = 0.5
+    cfg['min_duration_ms'] = 1500
+    cfg['min_hits'] = 3
+    cfg['hit_window_ms'] = 3000
+
+    # 劳保鞋
+    for r in cfg.get('rules', []):
+        if r['name'] == 'non_compliant_workshoe':
+            r['min_score'] = 0.5
+            r['cooldown_ms'] = 60000
+            r['min_hits'] = 3
+            r['min_duration_ms'] = 1500
+
+    # 陌生人脸
+    for r in cfg.get('face_rules', []):
+        if r['name'] == 'unknown_face':
+            r['cooldown_ms'] = 30000
+            r['max_known_sim'] = 0.2
+            r['min_hits'] = 4
+            r['hit_window_ms'] = 3000
+        elif r['name'] == 'known_person':
+            r['cooldown_ms'] = 30000
+            r['min_sim'] = 0.75
+            r['min_hits'] = 3
+            r['hit_window_ms'] = 2000
+
+c.execute("UPDATE templates SET body_json=? WHERE name=?", (json.dumps(body, ensure_ascii=False), TEMPLATE))
+c.commit()
+c.close()
+print('OK — 重新下发设备配置即生效')