fix: complete authenticated onboarding startup

cli/src/commands/doctor.ts

@@ -14,6 +14,7 @@ import {
   storageCheck,
   type CheckResult,
 } from "../checks/index.js";
+import { loadPaperclipEnvFile } from "../config/env.js";
 import { printPaperclipCliBanner } from "../utils/banner.js";
 
 const STATUS_ICON = {
@@ -31,6 +32,7 @@ export async function doctor(opts: {
   p.intro(pc.bgCyan(pc.black(" paperclip doctor ")));
 
   const configPath = resolveConfigPath(opts.config);
+  loadPaperclipEnvFile(configPath);
   const results: CheckResult[] = [];
 
   // 1. Config check (must pass before others)