feat: initial project setup with implementation plan

- Add PLAN.md with 40-step checklist across 10 phases
- Add CLAUDE.md with project-specific instructions
- Set up nix flake with FastHTML/MonsterUI dependencies
- Create Python package skeleton (src/animaltrack)
- Vendor FastHTML and MonsterUI documentation
- Add Docker build configuration

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

pyproject.toml

@@ -0,0 +1,53 @@
+[build-system]
+requires = ["setuptools>=68.0", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "animaltrack"
+version = "0.1.0"
+description = "Event-sourced animal tracking for poultry farm management"
+readme = "README.md"
+requires-python = ">=3.11"
+authors = [
+    {name = "ppetru"}
+]
+
+dependencies = [
+    "python-fasthtml>=0.12.0",
+    "monsterui>=1.0.0",
+    "uvicorn>=0.24.0",
+    "fastmigrate>=0.4.0",
+    "pydantic>=2.0.0",
+    "pydantic-settings>=2.0.0",
+    "python-ulid>=2.0.0",
+    "xxhash>=3.0.0",
+    "python-multipart>=0.0.6",
+]
+
+[project.optional-dependencies]
+dev = [
+    "pytest>=7.4.0",
+    "pytest-xdist>=3.5.0",
+    "ruff>=0.1.0",
+]
+
+[project.scripts]
+animaltrack = "animaltrack.cli:main"
+
+[tool.setuptools.packages.find]
+where = ["src"]
+
+[tool.ruff]
+line-length = 100
+target-version = "py311"
+
+[tool.ruff.lint]
+select = ["E", "F", "I", "N", "W", "UP"]
+ignore = ["E501"]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+python_files = "test_*.py"
+python_classes = "Test*"
+python_functions = "test_*"
+addopts = "--durations=20"