feat: sync upstream commits up to f17c92bc

feat: sync proxy with upstream commits up to a4a0fb8 (model catalog refactor, desktop launcher, telemetry feature flags)

fix(compatibility): resolve python 3.12 compatibility NameErrors and SyntaxErrors

fix(settings): use string literal type annotations for Settings class methods to support Python 3.12

feat: synchronize proxy with upstream commits up to 5305bd7 and integrate NIM key rotator

chore(logs): silence uvicorn HEAD / health check logs

fix: replace super() with explicit calls to prevent async Python 3.12+ bug and suppress HEAD / logs

Deploy latest upstream with key rotation, vision adapter, and HF configs

fix: change timeout_s to http_read_timeout in Nim Provider initialization

Deploy to Hugging Face Space