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/channel/store_protocol.py

@@ -0,0 +1,42 @@
+"""
+消息账本协议：inbox / outbox 认领接口。
+
+Memory 与 Postgres 实现共用此协议，通道运行时不依赖具体后端。
+"""
+
+from __future__ import annotations
+
+from typing import Any, Optional, Protocol
+
+from agent.channel.queue import InboxItem, OutboxItem
+from agent.channel.wecom.models import InboundMessage
+
+
+class MessageStore(Protocol):
+    """inbox/outbox 账本协议。"""
+
+    def enqueue_inbound(self, message: InboundMessage) -> tuple[bool, str]: ...
+
+    def claim_inbound(self) -> Optional[InboxItem]: ...
+
+    def complete_inbound(self, item_id: str, *, error: str = "") -> None: ...
+
+    def enqueue_outbound(
+        self,
+        *,
+        touser: str,
+        content: str,
+        dedupe_key: str = "",
+    ) -> tuple[bool, str]: ...
+
+    def claim_outbound(self) -> Optional[OutboxItem]: ...
+
+    def complete_outbound(
+        self, item_id: str, *, error: str = "", permanent: bool = False
+    ) -> None: ...
+
+    def wait_inbox(self, timeout: float = 1.0) -> None: ...
+
+    def wait_outbox(self, timeout: float = 1.0) -> None: ...
+
+    def stats(self) -> dict[str, Any]: ...