feat: add implicit discovery toggles

extensions/github-copilot/index.test.ts

@@ -0,0 +1,47 @@
+import { describe, expect, it, vi } from "vitest";
+import { createTestPluginApi } from "../../test/helpers/plugins/plugin-api.js";
+
+const resolveCopilotApiTokenMock = vi.hoisted(() => vi.fn());
+
+vi.mock("./register.runtime.js", () => ({
+  DEFAULT_COPILOT_API_BASE_URL: "https://api.githubcopilot.test",
+  resolveCopilotApiToken: resolveCopilotApiTokenMock,
+  githubCopilotLoginCommand: vi.fn(),
+  fetchCopilotUsage: vi.fn(),
+}));
+
+import plugin from "./index.js";
+
+function registerProvider() {
+  const registerProviderMock = vi.fn();
+
+  plugin.register(
+    createTestPluginApi({
+      id: "github-copilot",
+      name: "GitHub Copilot",
+      source: "test",
+      config: {},
+      runtime: {} as never,
+      registerProvider: registerProviderMock,
+    }),
+  );
+
+  expect(registerProviderMock).toHaveBeenCalledTimes(1);
+  return registerProviderMock.mock.calls[0]?.[0];
+}
+
+describe("github-copilot plugin", () => {
+  it("skips catalog discovery when models.copilotDiscovery.enabled is false", async () => {
+    const provider = registerProvider();
+
+    const result = await provider.catalog.run({
+      config: { models: { copilotDiscovery: { enabled: false } } },
+      agentDir: "/tmp/agent",
+      env: { GH_TOKEN: "gh_test_token" },
+      resolveProviderApiKey: () => ({ apiKey: "gh_test_token" }),
+    } as never);
+
+    expect(result).toBeNull();
+    expect(resolveCopilotApiTokenMock).not.toHaveBeenCalled();
+  });
+});

extensions/github-copilot/index.ts

@@ -125,6 +125,9 @@ export default definePluginEntry({
       catalog: {
         order: "late",
         run: async (ctx) => {
+          if (ctx.config?.models?.copilotDiscovery?.enabled === false) {
+            return null;
+          }
           const { DEFAULT_COPILOT_API_BASE_URL, resolveCopilotApiToken } =
             await loadGithubCopilotRuntime();
           const { githubToken, hasProfile } = resolveFirstGithubToken({