Add dev tooling and clean up repo config

- Add justfile with common development tasks
- Add pre-commit config for code quality hooks
- Remove requirements.txt (deps managed via pyproject.toml)
- Update .gitignore for local/generated files

Author: alexanderv-sifi

.gitignore

@@ -54,4 +54,13 @@ test_data_*
 # PyInstaller specific
 *.manifest
 *.spec
-!fileshift.spec
+!fileshift.spec
+# Claude Code
+.claude/settings.local.json
+
+# Coverage
+.coverage
+coverage.xml
+
+# Serena
+.serena/

.pre-commit-config.yaml

@@ -0,0 +1,38 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: check-yaml
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
+      - id: check-added-large-files
+      - id: check-json
+      - id: check-merge-conflict
+      - id: check-toml
+      - id: debug-statements
+      - id: mixed-line-ending
+
+  - repo: https://github.com/psf/black
+    rev: 23.12.1
+    hooks:
+      - id: black
+        language_version: python3.9
+
+  - repo: https://github.com/pycqa/isort
+    rev: 5.13.2
+    hooks:
+      - id: isort
+        args: ["--profile", "black"]
+
+  - repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.1.9
+    hooks:
+      - id: ruff
+        args: [--fix, --exit-non-zero-on-fix]
+
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.8.0
+    hooks:
+      - id: mypy
+        additional_dependencies: [types-PyQt6]
+        args: [--ignore-missing-imports]

justfile

@@ -0,0 +1,110 @@
+# FileShift Development Tasks
+
+# Default task - show available commands
+default:
+    @just --list
+
+# Install project with uv
+install:
+    uv pip install -e ".[dev]"
+
+# Run all tests
+test:
+    uv run pytest -v
+
+# Run tests with coverage
+test-cov:
+    uv run pytest --cov --cov-report=html --cov-report=term
+
+# Run specific test file
+test-file FILE:
+    uv run pytest -v {{FILE}}
+
+# Run tests and watch for changes
+test-watch:
+    uv run pytest-watch
+
+# Format code with black and isort
+format:
+    uv run black .
+    uv run isort .
+    uv run ruff --fix .
+
+# Check code formatting
+check:
+    uv run black --check .
+    uv run isort --check-only .
+    uv run ruff check .
+    uv run mypy src
+
+# Run type checking
+typecheck:
+    uv run mypy src
+
+# Clean build artifacts
+clean:
+    rm -rf build dist *.egg-info
+    rm -rf .coverage htmlcov .pytest_cache
+    rm -rf .mypy_cache .ruff_cache
+    find . -type d -name __pycache__ -exec rm -rf {} +
+    find . -type f -name "*.pyc" -delete
+
+# Build standalone app
+build:
+    uv run pyinstaller json_to_csv_multifile_pyqt.py \
+        --name "FileShift" \
+        --windowed \
+        --onefile \
+        --icon resources/icon.ico \
+        --add-data "src:src"
+
+# Run the GUI app
+run:
+    uv run python json_to_csv_multifile_pyqt.py
+
+# Run the CLI
+run-cli *ARGS:
+    uv run python -m src.cli {{ARGS}}
+
+# Generate sample data
+generate-samples:
+    uv run python generate_sample_data.py
+
+# Run pre-commit hooks
+pre-commit:
+    uv run pre-commit run --all-files
+
+# Set up pre-commit hooks
+pre-commit-install:
+    uv run pre-commit install
+
+# Create a new release
+release VERSION:
+    git tag -a v{{VERSION}} -m "Release version {{VERSION}}"
+    git push origin v{{VERSION}}
+
+# Run benchmarks
+benchmark:
+    uv run pytest -v tests/benchmarks --benchmark-only
+
+# Profile the application
+profile FILE:
+    uv run python -m cProfile -o profile.stats json_to_csv_multifile_pyqt.py {{FILE}}
+    uv run python -m pstats profile.stats
+
+# Update dependencies
+update-deps:
+    uv pip compile pyproject.toml -o requirements.txt --upgrade
+
+# Create virtual environment with uv
+venv:
+    uv venv
+    uv pip install -e ".[dev]"
+
+# Serve documentation
+docs-serve:
+    uv run mkdocs serve
+
+# Build documentation
+docs-build:
+    uv run mkdocs build