feat(visual): add the slice 4g challenge fixtures and reference exhibits

Fourteen visual challenge fixtures and the first visuals for reference exhibits A through D, all executing without a line of subject-specific renderer code — which is the claim slice 4g exists to test. A subject the engine needs special handling for is a subject the format cannot express. The standalone CLI validator no longer disagrees with the production one. It had been falling through to ERR_UNSUPPORTED_TARGET for every `visuals.*` binding target, so legal exhibits — including the committed minimal-visual fixture — failed the CLI while passing the runtime. The four section 8.1 visual target families are now recognized in both, and a test runs the CLI validator across every exhibit and challenge fixture so the two paths cannot drift apart again. Co-Authored-By: Claude Opus 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01ShxxFqFmCUDQnQvFNm4TKy
2026-09-06 21:53:38 +00:00
parent a579b8e41f
commit d5d7091289
22 changed files with 2616 additions and 1 deletions
@@ -0,0 +1,178 @@
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