fix(0.2.1): bundle dist CSS + JSON-attribute browser compat

[whykusanagi]

Summary

Patch release fixing three regressions shipped in 0.2.0. CDN consumers (cdn.whykusanagi.xyz / cdn.nikkers.cc) are already fixed via @latest — this PR brings git + npm into alignment.

• dist/theme.min.css was not a bundle. postcss preserved the seven @import statements verbatim; the file is shipped to R2 with no sibling partials, so every @import './variables.css' etc. 404'd. Net effect: .card, .btn, .glass-container*, every component class missing from CDN consumers. Fix: add postcss-import to the pipeline. Bundle: 3.9 kB → 79.5 kB.
• toast.css and seamless-background.css were orphans. Only reachable via deep-import endpoints; main theme.css never @imported them. Fix: add both @imports.
• JSON import attributes broke Safari + Firefox. Five JS modules used import x from '../data/foo.json' with { type: 'json' } — only parses in Chromium 123+; raised SyntaxError in the other browsers before any code ran. Fix: scripts/inline-data.js codegen emits src/data/*.data.js ES modules from canonical JSON; the 5 modules import the generated siblings instead. Wired via prebuild/pretest/prepublishOnly. Canonical JSON unchanged — cross-language consumers keep reading the JSON files as-is.

Verification done

• ✅ 166/166 tests pass
• ✅ Local smoke test (dist/smoke-test.html against npm run dev:static) — all CSS classes render with glass styling, all 5 JS modules import without errors, both visually and in browser
• ✅ R2 @0.2.1 + @latest both serve content-length: 79569, .card glass styling present, zero stray @imports
• ✅ Smoke test artifact removed from R2 after upload

Files changed (high-signal)

• postcss.config.js — added postcss-import plugin
• src/css/theme.css — @import './toast.css', @import './seamless-background.css'
• scripts/inline-data.js (new) — JSON → ES module codegen
• src/data/{charsets,colors,phrases}.data.js (new, generated) — committed artifacts, header marks them auto-generated
• 5 source modules — with { type: 'json' } → from '../data/<name>.data.js'
• package.json — postcss-import@^16.1.1, prebuild/pretest/prepublishOnly hooks
• Version bumped 0.2.0 → 0.2.1 across the VERSION_REFERENCES.md checklist (14 files)
• CHANGELOG.md — [0.2.1] - 2026-05-24 entry

Not in this PR

• npm registry publish (manual: npm publish --access public)
• Adding dist/ to package.json#files (out of scope; raised separately)

Test plan

• All unit tests pass locally
• Local smoke test page renders correctly in Chrome
• Local smoke test page renders correctly in Safari/Firefox (validates JSON-attr fix)
• CDN @latest and @0.2.1 serve bundled CSS
• Verify on a live consumer site after merge (e.g. whykusanagi.xyz)

🤖 Generated with Claude Code

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Status	Name	Latest Commit	Preview URL	Updated (UTC)
✅ Deployment successful! View logs	corrupted-theme	ad5b2d0	Commit Preview URL Branch Preview URL	May 24 2026, 09:25 PM