fix: 移除afw-proxy(已废弃试验)+ocg-key顺序由/api/keys配额动态决定

- afw-proxy是早期试验代理,老爸确认已废弃,不入链
- ocg-key*按AgentsMeeting/api/keys健康度排序,session_expired跳过

gateway/scripts/chat_bridge.py

@@ -98,13 +98,29 @@ def _build_chain() -> list[tuple[str, str, str]]:
 
     2026-07-23 修复：原白名单只有 deepseek/volcengine/opencode-go*，
     但 config 里只有 deepseek（402欠费）→ 全链死 → 模型无响应。
-    现按实际存活度排序：sense-nova（实测可用+支持tools）→ deepseek →
+    现按实际存活度排序：sense-nova（实测可用+支持tools）→ deepseek → ocg-key*。
-    afw-proxy（本地代理，活着时优先）→ ocg-key*（Windows IP 当前403，恢复即可用）。
+    （afw-proxy 是已废弃的本地试验代理，不入链——老爸 2026-07-23 确认）
+    ocg-key* 顺序由 AgentsMeeting /api/keys 的配额状态动态决定（session_expired 跳过）。
     模型名：options.model 优先，否则取 provider models 字典第一个 key。
     """
-    priority = ["sense-nova", "deepseek", "afw-proxy",
+    # 从 AgentsMeeting /api/keys 拉 ocg key 健康度（246 本地视角）
-                "ocg-key6", "ocg-key5", "ocg-key4", "ocg-key3", "ocg-key2", "ocg-key1",
+    _key_order = []
-                "volcengine", "opencode-go", "opencode-go-new"]
+    try:
+        import urllib.request as _ur
+        _resp = _ur.urlopen("http://192.168.1.246:5803/api/keys", timeout=5)
+        _kd = json.loads(_resp.read())
+        for _k in _kd.get("keys", []):
+            if _k.get("session_expired"):
+                continue  # 过期key直接跳过
+            _key_order.append(_k["key_id"])
+    except Exception:
+        pass  # API 不可用则按静态顺序
+
+    _ocg_static = ["ocg-key6", "ocg-key5", "ocg-key4", "ocg-key3", "ocg-key2", "ocg-key1"]
+    _ocg_sorted = ([k for k in _key_order if k in _PROVIDERS] or _ocg_static)
+
+    priority = ["sense-nova", "deepseek"] + _ocg_sorted + \
+               ["volcengine", "opencode-go", "opencode-go-new"]
     chain = []
     for key in priority:
         prov = _PROVIDERS.get(key)