Make README Entrypoints and script/check's header match script/assets

The Entrypoints paragraph now says build, run and dev first run
script/assets. script/check's header now says it writes only the
ignored static/js/alpine.min.js, through script/test.

Model: opus-5-5

README.md

@@ -1216,8 +1216,9 @@ This repository adheres to the
 standard: normalized scripts in `script/` are the entrypoints for the
 development workflow. Ten of the Makefile's seventeen targets are thin
 shims that call them; `build`, `run`, `dev`, `deps`, `clean`, `css` and
-`version` are inline commands with no script behind them, though `build`
-and `version` both take their value from `script/version`.
+`version` are inline commands with no script behind them, though `build`,
+`run` and `dev` first run `script/assets`, and `build` and `version` both
+take their value from `script/version`.
 
 `script/test`, `make build` and `make dev` each run `script/assets`
 first, which writes the ignored `static/js/alpine.min.js` (see

script/check

@@ -1,6 +1,7 @@
 #!/bin/sh
 # script/check: run all checks (test, lint, fmt-check). Our own
-# extension to scripts-to-rule-them-all. Must not modify any files.
+# extension to scripts-to-rule-them-all.
+# Writes only the ignored static/js/alpine.min.js, through script/test.
 # Generic: usually needs no adaptation.
 set -eu