Single-command docker-compose up + web UI

Fix Dockerfile: copy finsight/ before pip install

Wire POST /v1/filings/ingest to Airflow REST API

Log swallowed exceptions in edgar_client fetch_filing_html

Implement ResponseEvaluator with heuristic quality metrics

Fix ruff linting errors (E501, I001) across codebase

Fix mypy errors in planner.py for Anthropic SDK types

Fix ruff linting errors across codebase

Initial implementation of FinSight data pipeline + RAG agent