fix: make full_margin env save/restart reliable (no empty numeric wipe).

EOF

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/license/flask_gate.py

@@ -23,8 +23,15 @@ _POST_LICENSE_TARGET = "/login"
 
 
 def _license_public_path(path: str) -> bool:
-    """未授权时仍可访问的路径（授权页 / 接口 / 静态资源）。"""
-    if path in ("/license", "/api/license/status", "/api/license/redeem", "/api/license/validate", "/health"):
+    """未授权时仍可访问的路径（授权页 / 接口 / 静态资源 / 重启探活）。"""
+    if path in (
+        "/license",
+        "/api/license/status",
+        "/api/license/redeem",
+        "/api/license/validate",
+        "/health",
+        "/api/admin/health",
+    ):
         return True
     if path.startswith("/static/"):
         return True
@@ -33,6 +40,7 @@ def _license_public_path(path: str) -> bool:
     return False
 
 
+
 def _license_manage_requested() -> bool:
     """已授权时默认禁止进入 /license；续费/换机用 ?renew=1。"""
     return (request.args.get("renew") or request.args.get("manage") or "").strip().lower() in (