fix(atxp): scope login hint to 401, show status codes, guard res.json

- Only show "try logging in again" for 401, not network errors
- Show HTTP status code for non-401 failures, "network error" otherwise
- Guard res.json() with .catch() for non-JSON responses

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: R-M-Naveen

packages/atxp/src/commands/notifications.ts

@@ -109,7 +109,7 @@ async function enableNotifications(): Promise<void> {
     body: JSON.stringify(body),
   });
 
-  const data = await res.json() as Record<string, unknown>;
+  const data = await res.json().catch(() => ({})) as Record<string, unknown>;
   if (!res.ok) {
     const errorMsg = (data.error as string) || res.statusText;
     console.error(chalk.red(`Error: ${errorMsg}`));

packages/atxp/src/commands/whoami.ts

@@ -95,10 +95,12 @@ export async function whoamiCommand(): Promise<void> {
     if (!data) {
       if (accountResult.status === 401) {
         console.error(chalk.red('Error: Invalid or expired connection token.'));
+        console.error(`Try logging in again: ${chalk.cyan('npx atxp login --force')}`);
+      } else if (accountResult.status) {
+        console.error(chalk.red(`Error: Could not fetch account info (HTTP ${accountResult.status}).`));
       } else {
-        console.error(chalk.red('Error: Could not fetch account info.'));
+        console.error(chalk.red('Error: Could not fetch account info (network error).'));
       }
-      console.error(`Try logging in again: ${chalk.cyan('npx atxp login --force')}`);
       process.exit(1);
     }