feat: add logto auth and backend metrics integration

src/background/auth/controller.ts

@@ -0,0 +1,39 @@
+import { readAuthConfig, type AuthConfig } from "../../shared/auth-config";
+import { createLoggedInAuthState, createLoggedOutAuthState } from "./state";
+import type { AuthClientLike } from "./types";
+
+export interface AuthController {
+  getAccessToken(): Promise<string>;
+  getAuthState(): Promise<ReturnType<typeof createLoggedOutAuthState>>;
+  signIn(): Promise<void>;
+  signOut(): Promise<void>;
+}
+
+export function createAuthController(options: {
+  authClient: AuthClientLike;
+  config?: AuthConfig;
+}): AuthController {
+  const config = options.config ?? readAuthConfig();
+
+  return {
+    async getAccessToken() {
+      return options.authClient.getAccessToken(config.apiResource);
+    },
+    async getAuthState() {
+      const isAuthenticated = await options.authClient.isAuthenticated();
+
+      if (!isAuthenticated) {
+        return createLoggedOutAuthState(config);
+      }
+
+      const claims = await options.authClient.getIdTokenClaims();
+      return createLoggedInAuthState(claims, config);
+    },
+    async signIn() {
+      await options.authClient.signIn();
+    },
+    async signOut() {
+      await options.authClient.signOut();
+    }
+  };
+}