fix: update debug_auth.py to check accessToken presence by key

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

debug_auth.py

@@ -23,4 +23,15 @@ print("Calling /api/auth/session (with Chrome TLS impersonation) ...")
 r = s.get("https://chatgpt.com/api/auth/session", timeout=15)
 print(f"Status: {r.status_code}")
 print(f"Content-Type: {r.headers.get('content-type', '(none)')}")
-print(f"Response body (first 500 chars):\n{r.text[:500]}")
+
+try:
+    data = r.json()
+    print(f"Top-level keys: {list(data.keys())}")
+    access_token = data.get("accessToken")
+    if access_token:
+        print(f"accessToken: FOUND (length={len(access_token)}, starts with '{access_token[:10]}...')")
+    else:
+        print("accessToken: NOT FOUND in response")
+        print(f"Full response body:\n{r.text}")
+except Exception as e:
+    print(f"Could not parse JSON: {e}\nRaw body:\n{r.text[:500]}")