fix(doctor): check gh auth status when GITHUB_TOKEN absent

hermes doctor showed 'No GITHUB_TOKEN (60 req/hr)' warning even when
users had authenticated via gh auth login. Now falls back to
gh auth status --json authenticated when GITHUB_TOKEN and GH_TOKEN
are both unset.

Fixes #16115

hermes_cli/doctor.py

@@ -1264,9 +1264,23 @@ def run_doctor(args):
         check_warn("Skills Hub directory not initialized", "(run: hermes skills list)")
 
     from hermes_cli.config import get_env_value
+
+    def _gh_authenticated() -> bool:
+        """Check if gh CLI is authenticated via token file or device flow."""
+        try:
+            result = subprocess.run(
+                ["gh", "auth", "status", "--json", "authenticated"],
+                capture_output=True, timeout=10,
+            )
+            return result.returncode == 0
+        except (FileNotFoundError, subprocess.TimeoutExpired):
+            return False
+
     github_token = get_env_value("GITHUB_TOKEN") or get_env_value("GH_TOKEN")
     if github_token:
         check_ok("GitHub token configured (authenticated API access)")
+    elif _gh_authenticated():
+        check_ok("GitHub authenticated via gh CLI", "(full API access — no GITHUB_TOKEN needed)")
     else:
         check_warn("No GITHUB_TOKEN", f"(60 req/hr rate limit — set in {_DHH}/.env for better rates)")