feat(preview): implement audit v4 phase 6 preview architecture - #43
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| Status | Name | Latest Commit | Preview URL | Updated (UTC) |
|---|---|---|---|---|
| ✅ Deployment successful! View logs |
q2web-studio | ec28d39 | Commit Preview URL Branch Preview URL |
May 03 2026, 03:18 AM |
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Phase 6, Preview architecture
Summary
This PR closes Audit V4 Phase 6 by replacing blob iframe Preview with a Service Worker backed
/preview/{token}route, restoring strict main app CSP, and aligning editor plus runtime initial view behavior with the original qgis2web export.@codex please review this Phase 6 preview architecture work.
Changes
public/q2ws-preview-sw.js, add virtual preview asset server with scoped preview CSP, TTL pruning, publish and evict lifecycle, and same origin routed preview assets.public/_headers, remove temporary blob iframe CSP relaxation from the main app after preview no longer depends on blob URLs.src/lib/previewBridge.ts, add publish and evict bridge withMessageChannelreadiness handshake.src/lib/runtimePreview.ts, publish exported ZIP entries directly to the preview route instead of rewriting assets into blob documents.src/components/PreviewOverlay.tsx, handle routed preview lifecycle, cleanup, rebuild failure stale state eviction, and runtime tab open flow.src/types/project.ts,src/lib/defaults.ts,src/lib/qgis2webParser.ts,src/components/mapCanvasHooks.ts,src/runtime/runtime.ts, addexport-originalinitial view parity and preserve original center when available.src/components/Inspector/ProjectMapTab.tsx, addMatch qgis2web export viewreset action.tests/map-render.spec.ts, add Phase 6 coverage for preview route, strict main CSP, export-original bounds parity, and preview reopen stability.Evidence
docs/screenshots/phase-6/npm-run-build-20260503-100734.txt, PASSdocs/screenshots/phase-6/npm-run-smoke-fixture-20260503-100734.txt, PASSdocs/screenshots/phase-6/npm-run-smoke-export-20260503-100734.txt, PASSdocs/screenshots/phase-6/npx-playwright-phase-6-20260503-100734.txt, PASS, 4 passeddocs/screenshots/phase-6/editor-20260503-100734.pngdocs/screenshots/phase-6/runtime-preview-20260503-100734.pngdocs/screenshots/phase-6/runtime-20260503-100734.pngdocs/screenshots/phase-6/console-20260503-100734.txt, 0 errors, 1 imported plugin deprecation warningdocs/screenshots/phase-6/network-tile-20260503-100734.json, 36 ArcGIS tile resource entries observedParity sweep
export-originalinitial view for qgis2web parity.Notes
allow-same-originintentionally because the qgis2web runtime and relative asset fetches need same origin behavior under/preview/{token}.unsafe-evalfor compatibility with preserved qgis2web measure plugin code. This allowance is limited to Service Worker preview responses, not the main app CSP.../AGENTS.MDand../docs/agents/changelog/2026-05.md.