feat(models): add Qwen3.8-27B Turbo Coder to the ZeroGPU catalog

security+perf: enforce studio auth and cache singletons

fix(hub): add model alias resolution and persist canonical ibrowse qa evidence

test: pass FLOW_API_KEY bearer header in space_client fixture when set

feat(audio): purge Kokoro and enforce MiniMax Music 3 only policy for songs

Fix ZeroGPU 120s cap, add async audio jobs, Gradio queue SSE client in dispatcher

fix(api): align frontend routes with media endpoints and dual route decorators

feat(music-studio): wire Ion King Kong persona and voice cloner into AI Music Studio Pro

feat(zerogpu): integrate petruhonk & Jackrong models, expand 24GB VRAM catalog, and add zerogpu-model-scout skill

feat(agentic): add offline test suite, agent contracts, and unified verification runner