can1357
58f319912e
feat: introduced dynamic version discovery and rate limit parsing for google
- Added dynamic Antigravity version discovery with environment variable overrides and fallback endpoint support.
- Introduced structured Google RPC `ErrorInfo` rate limit reason parsing and backoff classification.
- Added `gemini-3.7-flash` and `deepseek-v4-pro:preview` model configurations alongside updated pricing.
- Removed system instruction injection logic and dropped unsigned thinking blocks for Antigravity requests.