perf(whatsapp): add doctor contract fast path

extensions/whatsapp/doctor-contract-api.ts

@@ -0,0 +1,8 @@
+import type { ChannelDoctorLegacyConfigRule } from "openclaw/plugin-sdk/channel-contract";
+
+export { normalizeCompatibilityConfig } from "./src/doctor-contract.js";
+
+// WhatsApp currently exposes doctor compatibility fixes without extra legacy
+// rule scans. Keep that empty answer on a lightweight contract surface so
+// config validation stays off the broad contract-api import path.
+export const legacyConfigRules: ChannelDoctorLegacyConfigRule[] = [];

src/channels/plugins/doctor-contract-api.fast-path.test.ts

@@ -13,6 +13,11 @@ const { loadBundledPluginPublicArtifactModuleSyncMock } = vi.hoisted(() => ({
           ],
         };
       }
+      if (dirName === "whatsapp" && artifactBasename === "doctor-contract-api.js") {
+        return {
+          legacyConfigRules: [],
+        };
+      }
       if (dirName === "telegram" && artifactBasename === "contract-api.js") {
         return {
           legacyConfigRules: [
@@ -52,6 +57,20 @@ describe("channel doctor contract api fast path", () => {
     });
   });
 
+  it("treats empty explicit doctor contract rules as authoritative", () => {
+    const api = loadBundledChannelDoctorContractApi("whatsapp");
+
+    expect(api?.legacyConfigRules).toEqual([]);
+    expect(loadBundledPluginPublicArtifactModuleSyncMock).toHaveBeenCalledWith({
+      dirName: "whatsapp",
+      artifactBasename: "doctor-contract-api.js",
+    });
+    expect(loadBundledPluginPublicArtifactModuleSyncMock).not.toHaveBeenCalledWith({
+      dirName: "whatsapp",
+      artifactBasename: "contract-api.js",
+    });
+  });
+
   it("falls back to the generic contract artifact when the doctor artifact is absent", () => {
     const api = loadBundledChannelDoctorContractApi("telegram");