fix: address post-audit review findings across docs and source

ci(hooks): add pre-commit config with ruff and mypy hooks

fix(logging): replace f-string logging with lazy %s formatting

refactor(database): decouple Streamlit caching from connection module

refactor(pages): extract shared configure_page, remove finally:pass

refactor(dead-code): remove unused get_player_by_full_name and safe_styled_text

fix: restore player search functionality and add HF frontmatter

fix: resolve linting errors and update ruff config

Optimize away team generation and persist in session state to prevent loops

Address reviewer feedback: fix grammar, path resolution, and sampling logic

Transition data layer to local CSV using pandas

Fix CI failures: type annotations, linting, and coverage threshold

Refactor app with security fixes, error handling, and type safety