docs: shorten hf summary

docs: refresh winner readme

fix(frontend): ship prebuilt app bundle

fix(deploy): build frontend in node stage

feat(frontend): add SQL command center UI

fix: set app_port=8000 in HF Space frontmatter (HF proxy defaults to 7860)

Merge HF Space initial commit into winning-env

chore: merge HF Space scaffolding (frontmatter + .gitattributes)

initial commit

fix(phase2): strip all floats from [STEP] lines + sterile stdout wrapper

feat: SQL Repair OpenEnv submission — Phase 1 validator passes