feat(WeXin): add route_tag property to adapt to WeChat official ilinkai 1.0.3 requirements

nanobot/channels/weixin.py

@@ -83,6 +83,7 @@ class WeixinConfig(Base):
     allow_from: list[str] = Field(default_factory=list)
     base_url: str = "https://ilinkai.weixin.qq.com"
     cdn_base_url: str = "https://novac2c.cdn.weixin.qq.com/c2c"
+    route_tag: str | int | None = None
     token: str = ""  # Manually set token, or obtained via QR login
     state_dir: str = ""  # Default: ~/.nanobot/weixin/
     poll_timeout: int = DEFAULT_LONG_POLL_TIMEOUT_S  # seconds for long-poll
@@ -187,6 +188,8 @@ class WeixinChannel(BaseChannel):
         }
         if auth and self._token:
             headers["Authorization"] = f"Bearer {self._token}"
+        if self.config.route_tag is not None and str(self.config.route_tag).strip():
+            headers["SKRouteTag"] = str(self.config.route_tag).strip()
         return headers
 
     async def _api_get(

tests/channels/test_weixin_channel.py

@@ -22,6 +22,20 @@ def _make_channel() -> tuple[WeixinChannel, MessageBus]:
     return channel, bus
 
 
+def test_make_headers_includes_route_tag_when_configured() -> None:
+    bus = MessageBus()
+    channel = WeixinChannel(
+        WeixinConfig(enabled=True, allow_from=["*"], route_tag=123),
+        bus,
+    )
+    channel._token = "token"
+
+    headers = channel._make_headers()
+
+    assert headers["Authorization"] == "Bearer token"
+    assert headers["SKRouteTag"] == "123"
+
+
 @pytest.mark.asyncio
 async def test_process_message_deduplicates_inbound_ids() -> None:
     channel, bus = _make_channel()