Add HyperFrames skills (from heygen-com/hyperframes, Apache-2.0)

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01FXVsD1DgdzZLiPuwtKzMSY

.claude/skills/hyperframes/scripts/lib/main-module.test.mjs

@@ -0,0 +1,46 @@
+import { strict as assert } from "node:assert";
+import { test } from "node:test";
+import { mkdtempSync, readFileSync, readdirSync, rmSync, symlinkSync } from "node:fs";
+import { spawnSync } from "node:child_process";
+import { dirname, join, relative, resolve } from "node:path";
+import { tmpdir } from "node:os";
+import { fileURLToPath } from "node:url";
+
+const SKILLS = resolve(dirname(fileURLToPath(import.meta.url)), "../../..");
+const CLI_MEDIA_USE = resolve(SKILLS, "../packages/cli/src/media-use");
+
+// Agents install skills by symlinking the skills dir, so each script must still run its CLI.
+test("skill CLIs run when invoked through a symlinked skills dir", () => {
+  const dir = mkdtempSync(join(tmpdir(), "skills-link-"));
+  try {
+    symlinkSync(SKILLS, join(dir, "skills"), "dir");
+    for (const script of ["media-use/audio/scripts/heygen-voice.mjs"]) {
+      const run = spawnSync(process.execPath, [join(dir, "skills", script), "not-a-command"], {
+        encoding: "utf8",
+      });
+      assert.notEqual(run.status, 0, `${script} exited ${run.status} without running its CLI`);
+      assert.match(run.stderr, /usage/, script);
+    }
+  } finally {
+    rmSync(dir, { recursive: true, force: true });
+  }
+});
+
+function skillScripts(dir) {
+  return readdirSync(dir, { withFileTypes: true }).flatMap((entry) => {
+    const path = join(dir, entry.name);
+    if (entry.isDirectory()) return entry.name === "node_modules" ? [] : skillScripts(path);
+    return /\.(mjs|js)$/.test(entry.name) && !/\.test\.mjs$/.test(entry.name) ? [path] : [];
+  });
+}
+
+test("skill scripts detect their CLI entry through lib/main-module.mjs only", () => {
+  const handRolled = [...skillScripts(SKILLS), ...skillScripts(CLI_MEDIA_USE)].filter(
+    (path) =>
+      !path.endsWith("main-module.mjs") && readFileSync(path, "utf8").includes("process.argv[1]"),
+  );
+  assert.deepEqual(
+    handRolled.map((path) => relative(SKILLS, path)),
+    [],
+  );
+});