v0.11.6 — GPT-5.5 Codex Support

v0.11.6 — GPT-5.5 Codex Support + Hotfixes

Added

• GPT-5.5 Codex support — gpt-5.5 and gpt-5.4-mini models now available for ChatGPT Plus subscribers
• Dynamic litellm model registration — all chatgpt/* subscription models auto-registered at startup

Fixed

• Outdated ChatGPT subscription model list (verified via live Codex API)
• macOS desktop build: code signing conflict with embedded Python.framework
• PyPI sdist size reduced from 209MB to 3.7MB