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Enforce a strict browser execution boundary #296

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rockachopa merged 1 commits from timmy/295-strict-browser-boundary into main 2026-08-08 11:39:24 +00:00
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rockachopa commented 2026-08-08 11:38:39 +00:00
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Closes #295

What changed

  • extracted the dashboard stylesheet and 2,965-line bootstrap into same-origin static assets
  • enforced CSP (script-src 'self'), anti-framing, MIME-sniffing, referrer, and browser capability headers on every response including auth failures
  • included the extracted assets in the subpath-aware offline shell and bumped its cache generation
  • adapted behavioral tests to validate the complete HTML/CSS/JS bundle while retaining an explicit no-inline-script boundary test

Verification

  • RED: 4 focused tests failed for missing headers/assets/cache generation
  • GREEN: 524 passed in 19.12s
  • node --check frontend/dashboard.js and service worker passed
  • no inline <script> or <style> tags remain in dashboard HTML
Closes #295 ## What changed - extracted the dashboard stylesheet and 2,965-line bootstrap into same-origin static assets - enforced CSP (`script-src 'self'`), anti-framing, MIME-sniffing, referrer, and browser capability headers on every response including auth failures - included the extracted assets in the subpath-aware offline shell and bumped its cache generation - adapted behavioral tests to validate the complete HTML/CSS/JS bundle while retaining an explicit no-inline-script boundary test ## Verification - RED: 4 focused tests failed for missing headers/assets/cache generation - GREEN: `524 passed in 19.12s` - `node --check frontend/dashboard.js` and service worker passed - no inline `<script>` or `<style>` tags remain in dashboard HTML
rockachopa added 1 commit 2026-08-08 11:38:39 +00:00
security: enforce strict browser execution boundary (#295)
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rockachopa merged commit d0b8c3dc0d into main 2026-08-08 11:39:24 +00:00
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Reference: stackchain/stackchain-dashboard#296
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