added scraper and switcjed to agy sdk for agent

REBUILD

Phase 9: zero hardcoding + OpenRouter-style Models page + 100% frontend/backend parity

Fix: pre-flight integrity check + quarantine on malformed DB (storage.py init_db)

Realtime vertical slice + perf foundation (C1/C3/C4/H1/H3/H4) + bug fixes (BUG 1-4) + test framework