Add two new files

.pre-commit-config.yaml

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+repos:
+  # General file checks
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: trailing-whitespace
+        args: [--markdown-linebreak-ext=md]
+      - id: end-of-file-fixer
+      - id: check-toml
+      - id: check-added-large-files
+        args: [--maxkb=1000]
+      - id: check-case-conflict
+      - id: check-merge-conflict
+      - id: check-docstring-first
+      - id: debug-statements
+      - id: mixed-line-ending
+        args: [--fix=lf]
+      - id: name-tests-test
+        args: [--pytest-test-first]
+
+  # Ruff
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.1.15
+    hooks:
+      # Run the linter
+      - id: ruff
+        args: [--fix]
+      # Run the formatter
+      # - id: ruff-format
+
+# CI skip: Add [skip ci] to commit message to skip these hooks
+ci:
+  autofix_commit_msg: |
+    [pre-commit.ci] auto fixes from pre-commit.com hooks
+
+    for more information, see https://pre-commit.ci
+  autofix_prs: true
+  autoupdate_branch: ''
+  autoupdate_commit_msg: '[pre-commit.ci] pre-commit autoupdate'
+  autoupdate_schedule: weekly
+  skip: []
+  submodules: false

Makefile

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+# Makefile
+# Simplified commands using Ruff for formatting and linting
+
+.PHONY: help install install-dev format lint test coverage clean pre-commit security all
+
+# Default target
+.DEFAULT_GOAL := help
+
+# Colors for output
+BLUE := \033[0;34m
+GREEN := \033[0;32m
+YELLOW := \033[0;33m
+RED := \033[0;31m
+NC := \033[0m # No Color
+
+help: ## Show this help message
+	@echo "$(BLUE)LazyLibrarian Development Commands$(NC)"
+	@echo ""
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "  $(GREEN)%-20s$(NC) %s\n", $$1, $$2}'
+
+install: ## Install production dependencies with uv
+	@echo "$(BLUE)Installing production dependencies...$(NC)"
+	#pip install uv
+	uv venv
+	. .venv/bin/activate && uv pip install -r requirements.txt
+
+install-dev: ## Install development dependencies
+	@echo "$(BLUE)Installing development dependencies...$(NC)"
+	#pip install uv
+	uv venv
+	. .venv/bin/activate && uv pip install -r requirements.txt
+	pre-commit install
+
+format: ## Format code with Ruff
+	@echo "$(BLUE)Formatting code with Ruff...$(NC)"
+	ruff format lazylibrarian/
+	@echo "$(GREEN)✓ Code formatted$(NC)"
+
+format-check: ## Check code formatting without modifying
+	@echo "$(BLUE)Checking code formatting...$(NC)"
+	ruff format --check --diff lazylibrarian/
+
+lint: ## Lint code with Ruff (auto-fix)
+	@echo "$(BLUE)Linting and fixing with Ruff...$(NC)"
+	ruff check lazylibrarian/ --fix
+	@echo "$(GREEN)✓ Linting complete$(NC)"
+
+lint-check: ## Lint code without fixing
+	@echo "$(BLUE)Checking code with Ruff...$(NC)"
+	ruff check lazylibrarian/
+
+lint-errors-only: ## Check for errors only (like pylint -E)
+	@echo "$(BLUE)Checking for errors only...$(NC)"
+	ruff check lazylibrarian/ --select E,F
+
+typecheck: ## Run type checking with mypy
+	@echo "$(BLUE)Running type checker...$(NC)"
+	mypy lazylibrarian/ --ignore-missing-imports
+
+pre-commit: ## Run pre-commit hooks on all files
+	@echo "$(BLUE)Running pre-commit hooks...$(NC)"
+	pre-commit run --all-files
+
+pre-commit-update: ## Update pre-commit hooks
+	@echo "$(BLUE)Updating pre-commit hooks...$(NC)"
+	pre-commit autoupdate
+
+deps-check: ## Check for outdated dependencies
+	@echo "$(BLUE)Checking for outdated dependencies...$(NC)"
+	uv pip list --outdated
+
+deps-compile: ## Compile requirements.txt from requirements.in
+	@echo "$(BLUE)Compiling dependencies...$(NC)"
+	uv pip compile requirements.in -o requirements.txt
+
+deps-sync: ## Sync installed packages with requirements.txt
+	@echo "$(BLUE)Syncing dependencies...$(NC)"
+	uv pip sync requirements.txt
+
+clean: ## Clean build artifacts and cache
+	@echo "$(BLUE)Cleaning up...$(NC)"
+	find . -type f -name '*.pyc' -delete
+	find . -type d -name '__pycache__' -delete
+	find . -type d -name '*.egg-info' -exec rm -rf {} + 2>/dev/null || true
+	rm -rf build dist .eggs htmlcov .coverage .pytest_cache .mypy_cache .ruff_cache
+	@echo "$(GREEN)✓ Cleaned$(NC)"
+
+clean-all: clean ## Clean everything including virtual environment
+	rm -rf .venv
+	@echo "$(GREEN)✓ Deep clean complete$(NC)"
+
+ci-local: ## Run all CI checks locally
+	@echo "$(BLUE)Running full CI pipeline locally...$(NC)"
+	@$(MAKE) format-check
+	@$(MAKE) lint-errors-only
+	@echo "$(GREEN)✓ All CI checks passed$(NC)"
+
+all: format lint typecheck ## Run format, lint, typecheck, and test
+
+fix: ## Auto-fix all issues (format + lint)
+	@echo "$(BLUE)Auto-fixing issues...$(NC)"
+	@$(MAKE) format
+	@$(MAKE) lint
+	@echo "$(GREEN)✓ Auto-fixes applied$(NC)"
+
+setup: install-dev pre-commit ## Initial setup for development
+	@echo "$(GREEN)✓ Development environment ready!$(NC)"
+	@echo ""
+	@echo "$(YELLOW)Next steps:$(NC)"
+	@echo "  1. Activate virtualenv: source .venv/bin/activate"
+	@echo "  2. Format code: make format"
+	@echo "  3. Run linters: make lint"
+	@echo "  4. Check errors: make lint-errors-only"
+
+stats: ## Show code statistics with Ruff
+	@echo "$(BLUE)Code statistics...$(NC)"
+	ruff check lazylibrarian/ --statistics