CLI Proxy API 6.3.58 አውርድ

Changelog
- 371324c0905e688c9c4a4c824e99d05a5e96a354 feat(registry): expand Gemini model definitions and support Vertex AI
- d50b0f7524bb2cc5e56d1c7f18103855577b7d7e refactor(executor): simplify Gemini CLI execution and remove internal retry logic
- 0586da9c2ba1de8298a63e9ea25ad72e93edf8e5 refactor(registry): move Gemini 3 Pro Preview model definition to base set
- 98596c0a3f241683a76620d1ee47dfce630f6234 refactor(translator): remove service_tier from Codex OpenAI request payload
- 618511ff67ae05621c6d320d6f7766c321ae551c Merge pull request #280 from ben-vargas/feat-enable-gemini-3-cli
- 670ce2e52887fb87d7ed8ff5530822579ed2d054 Merge pull request #285 from router-for-me/iflow
- 6a3de3a89c6af66f4c84ea4f1de31aeec754b630 feat(executor): add intelligent retry logic for 429 rate limits
- 3f4f8b3b2d4c102ce4041f97add6050e5d764c03 feat(iflow): add cookie-based authentication endpoint
- 782bba0bc473674f16c1ea0cb092f8518f7bd8b1 feat(registry): enable gemini-3-pro-preview for gemini-cli provider
- ede4471b84bffc11fe78781c54ea710831acc6fb feat(translator): add default thinkingConfig for gemini-3-pro-preview
- ed23472d9427d55a68656a898902797b62a15a7e fix(executor): prevent streaming from 429 response when fallback available
- 0ff094b87f9b20b965ba45542eae302b4006e23f fix(executor): prevent streaming on failed response when no fallback