Update channel dispatch UX and harden sidecar startup behavior.

This aligns Weixin/WhatsApp with admin-managed model routing by adding channel/account-level specialist controls, improves OSS startup resilience by skipping missing sidecars gracefully, and refreshes runbook/readme guidance for the new default behavior and Weixin OpenAI-key silent handling.

Made-with: Cursor

tests/test_channel_dispatch_defaults.py

@@ -0,0 +1,51 @@
+from __future__ import annotations
+
+from oclaw.runtime.application.gateway.inbound_service import (
+    _resolve_channel_dispatch,
+)
+
+
+class _DummyStore:
+    def __init__(self, data: dict[str, str] | None = None) -> None:
+        self._data = dict(data or {})
+
+    def get_setting(self, key: str) -> str:
+        return str(self._data.get(key) or "")
+
+
+def test_channel_dispatch_defaults_to_expert_and_generalist() -> None:
+    store = _DummyStore()
+    interaction_mode, specialist = _resolve_channel_dispatch(store, channel="weixin", account=None)
+    assert interaction_mode == "expert"
+    assert specialist == "generalist"
+
+
+def test_channel_dispatch_uses_global_settings() -> None:
+    store = _DummyStore(
+        {
+            "channel.dispatch.interaction_mode.whatsapp": "comprehensive",
+            "channel.dispatch.specialist.whatsapp": "ops",
+        }
+    )
+    interaction_mode, specialist = _resolve_channel_dispatch(store, channel="whatsapp", account=None)
+    assert interaction_mode == "comprehensive"
+    assert specialist == "ops"
+
+
+def test_channel_dispatch_account_config_overrides_global() -> None:
+    store = _DummyStore(
+        {
+            "channel.dispatch.interaction_mode.weixin": "comprehensive",
+            "channel.dispatch.specialist.weixin": "ops",
+        }
+    )
+    account = {
+        "config": {
+            "interaction_mode": "expert",
+            "specialist": "generalist",
+        }
+    }
+    interaction_mode, specialist = _resolve_channel_dispatch(store, channel="weixin", account=account)
+    assert interaction_mode == "expert"
+    assert specialist == "generalist"
+