落地并存测服全端：智能体 Graph/路由、后台切 8180、主账与部署脚本齐备，便于线上重发与验收。

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

inquiry-agent/agent/redis_coord/rate_limit.py

@@ -0,0 +1,53 @@
+"""
+固定窗口限流骨架。
+
+本文件职责：按 scope 计数；超限返回可重试，不写主账失败态。
+线程：可在出站/API 路径调用；禁止在限流键上做六态。
+"""
+
+from __future__ import annotations
+
+import logging
+from dataclasses import dataclass
+
+from agent.redis_coord.client import RedisClient
+from agent.redis_coord.keys import RATE_LIMIT
+
+logger = logging.getLogger(__name__)
+
+
+@dataclass
+class RateLimitResult:
+    """限流判定结果。"""
+
+    allowed: bool
+    count: int
+    limit: int
+    scope: str
+
+
+def allow(
+    client: RedisClient,
+    *,
+    scope: str,
+    limit: int,
+    window_seconds: int = 60,
+) -> RateLimitResult:
+    """
+    固定窗口：INCR + 首次 EXPIRE。
+
+    scope 示例：outbound:wecom / api:global / user:{sender_id}
+    """
+    key = client.key(RATE_LIMIT, scope)
+    count = int(client.raw.incr(key))
+    if count == 1:
+        client.raw.expire(key, window_seconds)
+    allowed = count <= limit
+    if not allowed:
+        logger.info(
+            "限流触发 scope=%s count=%s limit=%s",
+            scope,
+            count,
+            limit,
+        )
+    return RateLimitResult(allowed=allowed, count=count, limit=limit, scope=scope)