- Use mapped model (billingModel) instead of original request model for billing - Use resolveFinalAntigravityModelKey for 429 rate limit model key, ensuring rate limit records match the actual upstream model - Add regression tests for both fixes
- Use mapped model (billingModel) instead of original request model for billing - Use resolveFinalAntigravityModelKey for 429 rate limit model key, ensuring rate limit records match the actual upstream model - Add regression tests for both fixes