fix: point frontend to Render instead of HF Space

feat: add GitHub Models support, remove Groq dependency, add backend .gitignore

fix: 3 bugs — pipeline diagram, auto-retry guard, stop-during-retry

Quick style update

fix: filter SSE noise during rotation; amber [ROTATE]/[RETRY] log style; auto-retry once on full failure

Updated stuff

Rebrand tab: title → DataFlow — AI Data Analysis, new favicon

Fix HF Space deployment and pipeline reliability

updates again

updates made

framework setup