feat: add code quality tools and pre-commit hooks

- Add Black, Flake8, MyPy, and pre-commit to dev dependencies
- Configure Black and MyPy in pyproject.toml
- Add .pre-commit-config.yaml with automated quality checks
- Enable consistent code formatting, linting, and type checking

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: jzhu

.claude/settings.local.json

@@ -46,7 +46,12 @@
       "mcp__serena__activate_project",
       "mcp__serena__replace_regex",
       "mcp__serena__create_text_file",
-      "mcp__wikipedia-mcp__search_wikipedia"
+      "mcp__wikipedia-mcp__search_wikipedia",
+      "mcp__serena__check_onboarding_performed",
+      "Bash(flake8:*)",
+      "Bash(mypy:*)",
+      "Bash(pre-commit install:*)",
+      "Bash(black:*)"
     ],
     "additionalDirectories": [
       "/home/jzhu/projects/repos/mcpm.sh",

.pre-commit-config.yaml

@@ -0,0 +1,25 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-yaml
+      - id: check-added-large-files
+
+  - repo: https://github.com/psf/black
+    rev: 23.7.0
+    hooks:
+      - id: black
+
+  - repo: https://github.com/pycqa/flake8
+    rev: 6.0.7
+    hooks:
+      - id: flake8
+        args: [--max-line-length=88, --extend-ignore=E203,W503]
+
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: v1.5.1
+    hooks:
+      - id: mypy
+        additional_dependencies: [types-PyYAML]

pyproject.toml

@@ -30,6 +30,10 @@ dev = [
   "pytest>=8.0.0",
   "pytest-cov>=4.1.0",
   "pytest-asyncio>=0.23.0",
+  "black>=23.0.0",
+  "flake8>=6.0.0",
+  "mypy>=1.0.0",
+  "pre-commit>=3.0.0",
 ]
 
 [tool.setuptools.packages.find]
@@ -49,4 +53,12 @@ version = {attr = "code_assistant_manager.__version__"}
 
 [project.scripts]
 code-assistant-manager = "code_assistant_manager.cli:main"
-cam = "code_assistant_manager.cli:main"
+cam = "code_assistant_manager.cli:main"
+
+[tool.black]
+line-length = 88
+
+[tool.mypy]
+python_version = "3.9"
+warn_return_any = true
+warn_unused_configs = true