Restructure as src-layout Python package with bundled static assets

Makefile

@@ -10,12 +10,12 @@ serve:
 
 # Lint
 lint: fmt
-	uvx ruff check chess_pressure/
+	uvx ruff check src/chess_pressure/
 
 # Format
 fmt:
-	uvx ruff format chess_pressure/
-	uvx ruff check --fix chess_pressure/
+	uvx ruff format src/chess_pressure/
+	uvx ruff check --fix src/chess_pressure/
 
 help:
 	@echo "chess-pressure"

pyproject.toml

@@ -12,3 +12,10 @@ dependencies = [
 
 [project.scripts]
 chess-pressure = "chess_pressure.app:main"
+
+[build-system]
+requires = ["hatchling"]
+build-backend = "hatchling.build"
+
+[tool.hatch.build.targets.wheel]
+packages = ["src/chess_pressure"]

src/chess_pressure/app.py

@@ -13,7 +13,7 @@ from pydantic import BaseModel
 from .engine import make_move, parse_pgn
 from .games import get_game_list, get_game_pgn
 
-STATIC = Path(__file__).resolve().parent.parent / "static"
+STATIC = Path(__file__).resolve().parent / "static"
 
 app = FastAPI(title="Chess Pressure", docs_url=None, redoc_url=None)