Update class mechanics, stat rulesets, and CoA reference catalogs

scripts/coa-reference/baseline.test.mjs

@@ -0,0 +1,41 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import fs from "node:fs";
+import os from "node:os";
+import path from "node:path";
+import { activeCatalogPath, decodeJsonBytes, freezeJulyBaseline, julyBaselinePath, resolveBaselinePath } from "./baseline.mjs";
+
+test("frozen July capture remains unchanged after active promotion", () => {
+  const root = fs.mkdtempSync(path.join(os.tmpdir(), "coa-baseline-"));
+  try {
+    const active = path.join(root, activeCatalogPath);
+    fs.mkdirSync(path.dirname(active), { recursive: true });
+    const original = Buffer.from(JSON.stringify({ source: { synchronizedAt: "2026-07-25T05:24:40.596Z" }, entries: [{ id: 1 }] }));
+    fs.writeFileSync(active, original);
+    assert.equal(resolveBaselinePath(root), activeCatalogPath);
+    const frozen = freezeJulyBaseline(root);
+    const bytes = fs.readFileSync(frozen);
+    assert.deepEqual(decodeJsonBytes(bytes, frozen), original);
+    fs.writeFileSync(active, '{"source":{"synchronizedAt":"2026-08-12"}}');
+    assert.equal(resolveBaselinePath(root), julyBaselinePath);
+    assert.equal(freezeJulyBaseline(root), frozen);
+    assert.deepEqual(fs.readFileSync(frozen), bytes);
+  } finally {
+    assert.ok(root.startsWith(`${path.resolve(os.tmpdir())}${path.sep}`));
+    fs.rmSync(root, { recursive: true });
+  }
+});
+
+test("freezing rejects a later capture rather than mislabelling it July", () => {
+  const root = fs.mkdtempSync(path.join(os.tmpdir(), "coa-baseline-"));
+  try {
+    const active = path.join(root, activeCatalogPath);
+    fs.mkdirSync(path.dirname(active), { recursive: true });
+    fs.writeFileSync(active, '{"source":{"synchronizedAt":"2026-08-12"}}');
+    assert.throws(() => freezeJulyBaseline(root), /not the original July/);
+    assert.equal(fs.existsSync(path.join(root, julyBaselinePath)), false);
+  } finally {
+    assert.ok(root.startsWith(`${path.resolve(os.tmpdir())}${path.sep}`));
+    fs.rmSync(root, { recursive: true });
+  }
+});