diff --git a/dist/providers/google-gemini-cli.js b/dist/providers/google-gemini-cli.js
index 0000000..1111111 100644
--- a/dist/providers/google-gemini-cli.js
+++ b/dist/providers/google-gemini-cli.js
@@ -248,6 +248,12 @@ async function* streamGeminiCli(model, context, credentials, options) {
                         break; // Success, exit retry loop
                     }
                     const errorText = await response.text();
+                    // PATCH: Fail immediately on 429 for Antigravity to let caller rotate accounts.
+                    // Antigravity rate limits can have very long retry delays (10+ minutes).
+                    if (isAntigravity && response.status === 429) {
+                        console.log(`[pi-ai] 429 rate limit - failing fast to rotate account`);
+                        throw new Error(`Cloud Code Assist API error (${response.status}): ${errorText}`);
+                    }
                     // Check if retryable
                     if (attempt < MAX_RETRIES && isRetryableError(response.status, errorText)) {
                         // Use server-provided delay or exponential backoff