Labyricorn dcae56a4b6 Step 6.3 Complete — Generic Contract 5.3 Surface Discovery ...

- src/validation.js: add validateSurfaceCatalog() implementing Contract
  5.3 §§31.2-31.5 normative validation order (validate individuals ->
  discard invalids -> evaluate primary invariant against working set)
- src/host.js: emit xzbt:5.3 advisory (§6.5); store contractMinor;
  add surfaces=[] to resetView(); parse surfaces in refresh(true)
- src/ui.js: add buildSurfaces() for generic descriptor-driven surface
  display; integrate renderedSurfaces tracking into render()
- public/index.html: subtitle updated to Contract 5.2/5.3; add
  surfaces-section with surfaces div
- public/style.css: add .surface, .surface-badge, .surface-meta styles
- tests/surface-validation.test.js: 45 new tests covering all Part 8
  malformed surface cases, lifecycle, registry refresh, 5.2 regression
- docs/reference/XZBT-NGN-Step6.3-Surface-Discovery-Verification.md

Test results: 88/88 pass (43 pre-existing + 45 new)
Genericity scan: zero matches in src/, public/, server/
git diff --check: clean

2026-09-14 14:19:57 -07:00

..

Museum-Gallery-Step6.2-Verification.md

Step 6.2 Complete — Museum Gallery reference exhibit and Contract 5.3 spec

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SciFi-XZBT-Contract-Implementation-Plan-v5.2.md

Post Step 4 Completion

2026-09-14 07:57:18 -07:00

XZBT-NGN-Step6.3-Surface-Discovery-Verification.md

Step 6.3 Complete — Generic Contract 5.3 Surface Discovery

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