refactor(extensions): drop unused approval and tunnel helpers

extensions/googlechat/src/approval-native.ts

@@ -1,6 +1,5 @@
 import {
   createApproverRestrictedNativeApprovalCapability,
-  splitChannelApprovalCapability,
 } from "openclaw/plugin-sdk/approval-delivery-runtime";
 import { createLazyChannelApprovalNativeRuntimeAdapter } from "openclaw/plugin-sdk/approval-handler-adapter-runtime";
 import type { ChannelApprovalNativeRuntimeAdapter } from "openclaw/plugin-sdk/approval-handler-runtime";
@@ -240,7 +239,3 @@ export const googleChatApprovalCapability: ChannelApprovalCapability =
           .googleChatApprovalNativeRuntime as unknown as ChannelApprovalNativeRuntimeAdapter,
     }),
   });
-
-export const googleChatNativeApprovalAdapter = splitChannelApprovalCapability(
-  googleChatApprovalCapability,
-);

extensions/voice-call/src/tunnel.test.ts

@@ -35,7 +35,7 @@ vi.mock("./webhook/tailscale.js", () => ({
   getTailscaleDnsName: mocks.getTailscaleDnsName,
 }));
 
-import { isNgrokAvailable, startNgrokTunnel, startTailscaleTunnel, startTunnel } from "./tunnel.js";
+import { startNgrokTunnel, startTailscaleTunnel, startTunnel } from "./tunnel.js";
 
 function nextProcess(): FakeChildProcess {
   const proc = new FakeChildProcess();
@@ -53,25 +53,6 @@ describe("voice-call tunnels", () => {
     mocks.getTailscaleDnsName.mockReset();
   });
 
-  it("checks ngrok availability from the version command exit code", async () => {
-    const proc = nextProcess();
-    const result = isNgrokAvailable();
-    proc.close(0);
-
-    await expect(result).resolves.toBe(true);
-    expect(mocks.spawn).toHaveBeenCalledWith("ngrok", ["version"], {
-      stdio: "ignore",
-    });
-  });
-
-  it("treats ngrok spawn failures as unavailable", async () => {
-    const proc = nextProcess();
-    const result = isNgrokAvailable();
-    proc.fail(new Error("spawn ngrok ENOENT"));
-
-    await expect(result).resolves.toBe(false);
-  });
-
   it("starts ngrok and appends the webhook path to the public URL", async () => {
     const proc = nextProcess();
     const result = startNgrokTunnel({ port: 3334, path: "/voice/webhook" });

extensions/voice-call/src/tunnel.ts

@@ -201,25 +201,6 @@ async function runNgrokCommand(args: string[]): Promise<string> {
   });
 }
 
-/**
- * Check if ngrok is installed and available.
- */
-export async function isNgrokAvailable(): Promise<boolean> {
-  return new Promise((resolve) => {
-    const proc = spawn("ngrok", ["version"], {
-      stdio: "ignore",
-    });
-
-    proc.on("close", (code) => {
-      resolve(code === 0);
-    });
-
-    proc.on("error", () => {
-      resolve(false);
-    });
-  });
-}
-
 /**
  * Start a Tailscale serve/funnel tunnel.
  */