Playwright v1.46 expects the separate chromium_headless_shell binary in
headless mode. Install chromium-headless-shell alongside chromium in both
the Makefile and Nix flake installer to prevent ENOENT launch errors.
https://chatgpt.com/share/694ae842-1588-800f-9418-31e7d02ac45e
- Build matomo-bootstrap with setuptools/wheel in Nix
- Run playwright install via a dedicated pythonPlaywright env and redirect logs to stderr
- Add Nix-based E2E path: nix runner service + persistent nix/home volumes + host networking
- Add E2E test that runs bootstrap via `nix run` and asserts token-only stdout
https://chatgpt.com/share/694ab489-7028-800f-8398-a19a99faffd0
- add flake packages and apps for matomo-bootstrap
- provide nix run support for CLI execution
- add Playwright browser installer app
- simplify devShell (remove pytest, keep ruff only)
- align pyproject license with MIT LICENSE
- register stable CLI entry point via project.scripts
