fix

Fix UnboundLocalError: remove duplicate local import of REPAIR_ACTION_BY_NAME

Surface GEPA optimization: prompt history, live banner, smart retry

Fix IndexError: skip empty-choices chunks from HF Router streaming

Add LLM diagnostics: /api/test-llm endpoint + startup/error logging

Surface real error messages and fix LLM exception formatting

Fix chat SSE events to match frontend protocol (result+done instead of success)

Fix chat query failures and benchmark ID mismatches

fix: GEPA current_generation, task_id mapping, Connect DB button, remove difficulty from header

fix: align rl-state API shape with frontend, add error boundary

Initial submission: SQL Agent OpenEnv for Meta+HF hackathon