Rewrite TODO.md sentence by sentence

Rewritten from scratch against the code on next; the sections and
their contents are kept.

Model: fable-5-1

.dockerignore

@@ -72,8 +72,10 @@
 **/*.sublime-*
 
 # This repository's own host-built artifacts: the binary `make build`
-# writes.
+# writes, and the Alpine.js file `make assets` extracts from 3p/ (the
+# build extracts its own).
 /bin
+/static/js/alpine.min.js
 
 # SQLite databases, which hold the session key and webhook payloads, at
 # any depth.

.gitignore

@@ -77,3 +77,7 @@ data/
 # Temporary files
 tmp/
 temp/
+
+# Alpine.js, extracted by `make assets` from its tarball in 3p/, which is
+# what is committed.
+/static/js/alpine.min.js

.prettierignore

@@ -1,3 +1,2 @@
 node_modules/
 yarn.lock
-static/js/alpine.min.js

Dockerfile

@@ -92,6 +92,10 @@ COPY . .
 # fmt-check` is the markdown-check stage above.
 RUN if [ -n "$(gofmt -s -l .)" ]; then echo "gofmt needed on:"; gofmt -s -l .; exit 1; fi
 
+# static/static.go embeds the Alpine.js file this extracts from 3p/; without
+# it the static package does not compile and cannot be linted.
+RUN script/assets
+
 # The golangci-lint steps run with --network=none. `golangci-lint config
 # verify` is documented as fetching its JSON schema over HTTPS; this pinned
 # image resolves the schema without any network, and --network=none enforces
@@ -126,6 +130,9 @@ RUN go mod download
 
 COPY . .
 
+# static/static.go embeds the Alpine.js file this extracts from 3p/.
+RUN script/assets
+
 # -timeout applies to each package on its own, so 90s has only to clear the
 # slowest one. -p 4 -parallel 8 keep the run under 2 GB of memory: at most
 # four test binaries build or run at once, each with at most eight parallel
@@ -204,8 +211,10 @@ RUN version="$(make version VERSION="$VERSION")"; \
         esac; \
     fi
 
-# The Makefile's build target builds with cgo off, so the binary is
+# Builds through the Makefile's build target, which runs script/assets
-# statically linked and runs on the Alpine runtime image below.
+# (Alpine.js, extracted from its tarball in 3p/) first. The target builds
+# with cgo off, so the binary is statically linked and runs on the Alpine
+# runtime image below as it is.
 RUN make build VERSION="$VERSION"
 
 # Runtime stage

Dockerfile.browser

@@ -17,7 +17,7 @@ COPY . .
 # The test binary embeds the templates and static files, so the browser
 # stage needs nothing else. It is built with cgo off and -p 4 keeps the
 # compile's memory down, both as in the test phase of Dockerfile.
-RUN CGO_ENABLED=0 go test -c -p 4 -tags browser -o /browser.test ./internal/server
+RUN make assets && CGO_ENABLED=0 go test -c -p 4 -tags browser -o /browser.test ./internal/server
 
 # chromedp/headless-shell:151.0.7922.109 (Debian trixie), 2026-08-11. The
 # browser is on PATH as headless-shell, where the test's browser library

Makefile

@@ -1,4 +1,4 @@
-.PHONY: bootstrap setup test test-browser lint fmt fmt-check check build run dev deps docker clean hooks css css-check version
+.PHONY: bootstrap setup assets test test-browser lint fmt fmt-check check build run dev deps docker clean hooks css css-check version
 
 # Default target
 .DEFAULT_GOAL := check
@@ -22,6 +22,9 @@ bootstrap:
 setup:
 	@script/setup
 
+assets:
+	@script/assets
+
 test:
 	@script/test
 
@@ -44,13 +47,13 @@ check:
 # REPO_POLICIES.md does: the binary carries no build paths, symbol table or
 # debug information, and on Linux, the image's included, it is statically
 # linked.
-build:
+build: assets
 	CGO_ENABLED=0 go build -trimpath -ldflags '-s -w -X main.version=$(VERSION)' -o bin/webhooker ./cmd/webhooker
 
 run: build
 	./bin/webhooker
 
-dev:
+dev: assets
 	go run ./cmd/webhooker
 
 deps:

eslint.config.mjs

@@ -5,7 +5,7 @@
 // REPO_POLICIES.md states that a linter can check: const for everything,
 // let only for a variable that is reassigned, never var.
 export default [
-    // Alpine.js, committed as published; not ours to lint.
+    // Alpine.js, extracted from 3p/ by make assets; not ours to lint.
     { ignores: ["static/js/alpine.min.js"] },
     {
         // The pages load static/js/app.js as a classic script, not a module.

internal/server/static_assets_test.go

@@ -13,6 +13,9 @@ import (
 
 // TestBaseTemplateScriptsAreServed walks every /s/ script the base
 // template loads on each page and fetches it through the real router.
+// Alpine.js is extracted from its tarball in 3p/ at build time, so the
+// file is not in the tree: this is the check that the page still gets
+// the JavaScript it asks for.
 func TestBaseTemplateScriptsAreServed(t *testing.T) {
 	t.Parallel()
 

script/assets

@@ -0,0 +1,17 @@
+#!/bin/sh
+# script/assets: extract Alpine.js from its npm package tarball, committed
+# in 3p/, to static/js/alpine.min.js, where go:embed reads it. The package
+# is @alpinejs/csp, Alpine's build for pages whose Content-Security-Policy
+# forbids eval. The extracted file is not committed. make build, make dev
+# and the Dockerfile's lint, test and build stages run this first.
+set -eu
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd -P)"
+
+main() {
+    cd "$ROOT"
+    tar -xzOf 3p/alpinejs-csp-3.14.9.tgz package/dist/cdn.min.js \
+        >static/js/alpine.min.js
+}
+
+main "$@"

static/static.go

@@ -6,11 +6,9 @@ import (
 )
 
 // Static holds the CSS and JavaScript files the web UI's pages load. They
-// are named one by one, so a missing file fails the build instead of
+// are named one by one so that a missing js/alpine.min.js, which make
-// leaving the pages without it.
+// assets extracts and git does not track, fails the build instead of
-//
+// leaving the pages without Alpine.js.
-// js/alpine.min.js is Alpine.js, committed unchanged. It is
-// package/dist/cdn.min.js from the npm package @alpinejs/csp 3.14.9.
 //
 //go:embed css/tailwind.css css/style.css js/app.js js/alpine.min.js
 var Static embed.FS