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/media-use/scripts/lib/config-lock.mjs

@@ -0,0 +1,45 @@
+// The one lock on ~/.hyperframes/config.json, for the CLI, its auto-update step and media-use. The auto-update step
+// embeds this function's source, so it must use only its arguments and globals.
+export function withFileLock(lockPath, fs, task) {
+  const token = `${process.pid}-${Date.now()}-${Math.random().toString(36).slice(2)}`;
+  const started = Date.now();
+  for (;;) {
+    let fd;
+    try {
+      fd = fs.openSync(lockPath, "wx");
+    } catch (error) {
+      if (error.code !== "EEXIST") throw error;
+      // Never taken over: a lock older than any hold was left by a process that stopped, and a person removes it.
+      let leftover = false;
+      try {
+        leftover = Date.now() - fs.statSync(lockPath).mtimeMs > 5000;
+      } catch {}
+      if (leftover || Date.now() - started > 10000)
+        throw Object.assign(
+          new Error(
+            `Settings are locked by another hyperframes process. If none is running, delete ${lockPath}`,
+          ),
+          { code: "HF_SETTINGS_LOCKED" },
+        );
+      Atomics.wait(new Int32Array(new SharedArrayBuffer(4)), 0, 0, 25);
+      continue;
+    }
+    try {
+      fs.writeSync(fd, token);
+    } catch (error) {
+      fs.rmSync(lockPath, { force: true });
+      throw error;
+    } finally {
+      fs.closeSync(fd);
+    }
+    break;
+  }
+  try {
+    return task();
+  } finally {
+    // No code removes another's lock, so release needs no check (only a person deleting a live one defeats it).
+    try {
+      fs.rmSync(lockPath);
+    } catch {}
+  }
+}