fix(auth): unify imported sessions with account gating

src/web/routes/login.ts

@@ -52,9 +52,25 @@ export function createLoginRouter(ctx: WebContext): Router {
       return;
     }
     try {
-      const loggedIn = await browser.isSessionValid();
-      const username = loggedIn ? await browser.getAuthenticatedUsername() : null;
-      res.json({ ready: true, loggedIn, status: browser.getSessionState(), username });
+      const accountAuth = ctx.services.accountAuth;
+      const fullyAuthenticated = accountAuth
+        ? await accountAuth.ensureFullyAuthenticated()
+        : await browser.isSessionValid();
+      if (fullyAuthenticated) {
+        const username = accountAuth?.getSnapshot().redditUsername
+          ?? await browser.getAuthenticatedUsername();
+        res.json({ ready: true, loggedIn: true, status: 'authenticated', username });
+        return;
+      }
+
+      await browser.isSessionValid();
+      const browserState = browser.getSessionState();
+      res.json({
+        ready: true,
+        loggedIn: false,
+        status: browserState === 'unreachable' ? 'unreachable' : 'login-required',
+        username: null,
+      });
     } catch (error) {
       ctx.logger.error('Failed to check login status:', error);
       res.status(500).json({ ready: true, loggedIn: false, error: 'check failed' });