build: fix typescript issue

Comments inline.  I don't blame codex for missing this.

Author: david-hamilton-glean

packages/configure-mcp-server/src/configure/client/index.ts

@@ -12,7 +12,7 @@ import { RemoteMcpTargets } from '@gleanwork/mcp-server-utils/util';
 import { isOAuthEnabled } from '../../common/env.js';
 
 import connectMcpPackageJson from '@gleanwork/connect-mcp-server/package.json' with { type: 'json' };
-let connectMcpServerVersion = connectMcpPackageJson.version;
+const connectMcpServerVersion = connectMcpPackageJson.version;
 
 export interface MCPConfigPath {
   configDir: string;

packages/mcp-server-utils/src/auth/auth.ts

@@ -546,21 +546,28 @@ async function authorize(config: GleanOAuthConfig): Promise<Tokens | null> {
     ).catch((e) => {
       error('prompting user for verification page', e);
     });
-    const tokenResponse = await tokenPoller;
+    const polledTokenResponse = await tokenPoller;
 
     // Clean up the readline interface now that we have the token
     abortController.abort();
 
     if (cause !== undefined) {
       throw cause;
     }
+
+    // tokenResponse is void | TokenResponse because of the catch handler
+    // attached to pollForToken, which sets cause and resolves to void.  But
+    // right above here we throw if cause !== undefined so we can guarantee
+    // tokenResponse is TokenResponse and not void.
+    const tokenResponse = polledTokenResponse as TokenResponse;
+
     if (tokenResponse.refresh_token === undefined) {
       throw new AuthError(
         `Your OAuth Authorization Server issued an access token but not a refresh token.  Please configure your OAuth application with id: ${config.clientId} to issue refresh tokens.`,
         { code: AuthErrorCode.RefreshTokenNotIssued },
       );
     }
-    return Tokens.buildFromTokenResponse(tokenResponse as TokenResponse);
+    return Tokens.buildFromTokenResponse(tokenResponse);
   } catch (cause: any) {
     // Clean up the readline interface on error as well
     abortController.abort();