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
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+{
+  "xzbt": "0.1",
+  "meta": {
+    "id": "mechanical-abstraction",
+    "name": "Rotating mechanical abstraction",
+    "version": "1.0.0",
+    "description": "PRD 130 challenge 5; generic visual primitives only."
+  },
+  "runtime": {
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+  },
+  "visuals": {
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+      "height": 540,
+      "background": "#101d25"
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+            "style": {
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+            "innerRadius": 123,
+            "style": {
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+              "x": 480,
+              "y": 270
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+            "innerRadius": 36,
+            "style": {
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+            }
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+        "distribution": {
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+          "behaviors": [
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+              "speed": 12
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+}