feat(media): introduce MediaRouter and stubs for image and speech generation

Refactor modal service and logging setup

feat: Handle FP8 KV cache incompatibility with snapshot models in build command

feat: Add FP8 quantization support for model serving with environment overrides

feat: Enhance deployment instructions and update web server label formatting

feat: Implement well-known typed fields for verdicts in output models

feat(logging): implement structured JSON logging for vLLM and enhance observability

feat: enhance agent personas and improve model performance tuning

feat: Enhance model routing and deployment flexibility

feat: unify model catalogue and self-hosted routing

fix: update endpoint URLs to reflect new app naming conventions

feat: add OpenAPI docs and opt-in bearer auth via env-var secret

feat: add Modal model-serving layer, one app per provider