feat(webui): vendor Tailwind via go:embed (#1601)#1604
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Replace runtime cdn.tailwindcss.com script in templates/work/{board,detail}.html
with a build-time-compiled, embedded /static/tailwind.css. The compiled file is
committed so plain go build still works without Node or the Tailwind CLI.
- internal/webui/tailwind.{input.css,config.js}: Tailwind v3 source + content
glob over internal/webui/templates
- internal/webui/static/tailwind.css: minified output, embedded via existing
//go:embed static/* directive
- Makefile: tailwind target downloads pinned v3.4.17 standalone binary into
tools/ (gitignored); tailwind-check regenerates + git diff --exit-code for
CI drift detection
- internal/webui/tailwind_test.go: asserts CSS embedded, non-empty, contains
--tw- custom props + bg-slate-50 utility; guards templates against CDN
regression
- docs/build.md: front-end build steps + npx fallback path
This was referenced Apr 30, 2026
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Summary
cdn.tailwindcss.comscript with build-time-compiled, embedded/static/tailwind.csstailwind.input.css,tailwind.config.js) with content glob overinternal/webui/templatesinternal/webui/static/tailwind.cssso plaingo buildworks without Node or Tailwind CLItailwindtarget downloads pinned v3.4.17 standalone binary intotools/;tailwind-checkregenerates +git diff --exit-codefor CI drift detectionRelated to #1601
Changes
internal/webui/tailwind.input.css,internal/webui/tailwind.config.js— Tailwind v3 source + configinternal/webui/static/tailwind.css— minified output, embedded via existing//go:embed static/*internal/webui/templates/work/{board,detail}.html— drop CDN<script>, use embedded stylesheetinternal/webui/tailwind_test.go— embed assertions + CDN regression guardMakefile—tailwindandtailwind-checktargetsdocs/build.md— front-end build docs incl. npx fallback.gitignore— ignoretools/directoryTest Plan
go test ./internal/webui/...— embed + regression guards passmake tailwind-check— regenerated output matches committed CSSgo build ./... && wave webui— board/detail render with Tailwind utilities, no network requests to cdn.tailwindcss.com