Broaden orphan candidate detection

tests/global-orphan-candidate-test.mjs

@@ -0,0 +1,38 @@
+import assert from "node:assert/strict";
+import { buildFindings, createFileRecord } from "../scripts/core/finding-engine.js";
+import { createFileLocator } from "../scripts/core/path-utils.js";
+
+const files = [
+  createFileRecord(createFileLocator("data", "assets/user-upload/example.webp"), 100),
+  createFileRecord(createFileLocator("data", "worlds/demo-world/assets/maps/map.webp"), 200),
+  createFileRecord(createFileLocator("public", "icons/custom/example.webp"), 300),
+  createFileRecord(createFileLocator("data", "worlds/demo-world/assets/scenes/exampleScene-thumb.webp"), 400)
+];
+
+const { findings } = buildFindings({ files, references: [] });
+
+assert.equal(
+  findings.some(finding => finding.kind === "orphan-file" && finding.target.locator === "data:assets/user-upload/example.webp"),
+  true,
+  "unreferenced user assets should be reported as orphan candidates"
+);
+
+assert.equal(
+  findings.some(finding => finding.kind === "orphan-file" && finding.target.locator === "data:worlds/demo-world/assets/maps/map.webp"),
+  true,
+  "unreferenced world assets should be reported as orphan candidates"
+);
+
+assert.equal(
+  findings.some(finding => finding.kind === "orphan-file" && finding.target.locator === "public:icons/custom/example.webp"),
+  true,
+  "unreferenced public media should be reported as orphan candidates"
+);
+
+assert.equal(
+  findings.some(finding => finding.kind === "orphan-file" && finding.target.locator === "data:worlds/demo-world/assets/scenes/exampleScene-thumb.webp"),
+  false,
+  "derived scene thumbnails must stay excluded from orphan candidates"
+);
+
+console.log("global-orphan-candidate-test: ok");