Add collection and sorting utilities with Gitea release workflows

Replace retrocycle eval calls with property traversal and regression coverage. Add bundle budgets, eval guards, package publishing, and contributor documentation.

scripts/bundle-budgets.json

@@ -0,0 +1,54 @@
+{
+  "base64.js": {
+    "bytes": 2200,
+    "gzip": 800
+  },
+  "collections.js": {
+    "bytes": 850,
+    "gzip": 425
+  },
+  "dataqueue.js": {
+    "bytes": 12000,
+    "gzip": 3500
+  },
+  "dom.js": {
+    "bytes": 500,
+    "gzip": 350
+  },
+  "i18n.js": {
+    "bytes": 7000,
+    "gzip": 2400
+  },
+  "index.js": {
+    "bytes": 3800,
+    "gzip": 1400
+  },
+  "llm.js": {
+    "bytes": 3000,
+    "gzip": 1200
+  },
+  "logger.js": {
+    "bytes": 1800,
+    "gzip": 850
+  },
+  "mime.js": {
+    "bytes": 205000,
+    "gzip": 26000
+  },
+  "object.js": {
+    "bytes": 4500,
+    "gzip": 1800
+  },
+  "promise.js": {
+    "bytes": 1000,
+    "gzip": 550
+  },
+  "sorting.js": {
+    "bytes": 1400,
+    "gzip": 700
+  },
+  "strings.js": {
+    "bytes": 14500,
+    "gzip": 4900
+  }
+}

scripts/check-bundle.mjs

@@ -0,0 +1,21 @@
+import { readFile, readdir } from 'node:fs/promises';
+import { gzipSync } from 'node:zlib';
+
+const dist = new URL('../dist/', import.meta.url);
+const budgets = JSON.parse(await readFile(new URL('./bundle-budgets.json', import.meta.url), 'utf8'));
+const files = (await readdir(dist)).filter(file => file.endsWith('.js'));
+let failed = false;
+for (const file of new Set([...files, ...Object.keys(budgets)])) {
+  const budget = budgets[file];
+  if (!budget || !files.includes(file)) {
+    console.error(`${file}: missing ${budget ? 'build output' : 'bundle budget'}`);
+    failed = true;
+    continue;
+  }
+  const source = await readFile(new URL(file, dist));
+  const bytes = source.byteLength;
+  const gzip = gzipSync(source).byteLength;
+  console.log(`${file}: ${bytes}/${budget.bytes} bytes; gzip ${gzip}/${budget.gzip} bytes`);
+  if (bytes > budget.bytes || gzip > budget.gzip) failed = true;
+}
+if (failed) throw new Error('Bundle budget check failed. Review size changes before updating budgets.');