Add HyperFrames skills

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_011h6NB8JQtfPc6eRCefEzBB

.agents/skills/pr-to-video/scripts/frame-packets.mjs

@@ -0,0 +1,62 @@
+#!/usr/bin/env node
+
+// Thin wrapper over the shared packet builder in hyperframes — this file pins
+// this workflow's paths plus its two behavioral differences: a code frame must carry
+// an upstream-selected `### Source excerpt`, and code frames get a code-vocabulary
+// excerpt appended to their packet. Everything else has one owner:
+// ../../hyperframes/scripts/lib/frame-packets-core.mjs
+
+import { existsSync, readFileSync } from "node:fs";
+import { dirname, join, resolve } from "node:path";
+import { fileURLToPath } from "node:url";
+import * as core from "./lib/frame-packets-core.mjs";
+
+const SKILL_DIR = resolve(dirname(fileURLToPath(import.meta.url)), "..");
+
+function sourceExcerpt(block) {
+  const match = block.match(/^### Source excerpt\s*\n+(```[^\n]*\n[\s\S]*?\n```)/im);
+  return match?.[1] ?? null;
+}
+
+function validateFrame(frame) {
+  const codeFrame = /\bcode-[a-z0-9-]+\b/i.test(core.field(frame.block, "focal") ?? "");
+  if (codeFrame && !sourceExcerpt(frame.block)) {
+    throw new Error(`${frame.heading}: code frame requires an upstream-selected Source excerpt`);
+  }
+}
+
+function codeVocabularySection(block) {
+  const focal = core.field(block, "focal") ?? "";
+  const codeId = focal.match(/\b(code-[a-z0-9-]+)\b/i)?.[1];
+  if (!codeId) return "";
+  const vocabPath = join(SKILL_DIR, "references", "code-vocabulary.md");
+  if (!existsSync(vocabPath)) {
+    return `\n## Code block\n\nUse registry block \`${codeId}\`.\n`;
+  }
+  const vocab = readFileSync(vocabPath, "utf8");
+  const lines = vocab.split("\n");
+  const exactToken = `\`${codeId.toLowerCase()}\``;
+  const matchingLines = lines.filter((line) => line.toLowerCase().includes(exactToken));
+  if (matchingLines.length === 0) {
+    return `\n## Code block\n\nUse registry block \`${codeId}\`.\n`;
+  }
+  return `\n## Code block excerpt (${codeId})\n\n${matchingLines.join("\n").trim()}\n`;
+}
+
+const CONFIG = {
+  animationDir: resolve(SKILL_DIR, "../hyperframes-animation"),
+  corePath: resolve(SKILL_DIR, "../hyperframes/references/frame-worker-core.md"),
+  deltaPath: resolve(SKILL_DIR, "sub-agents/frame-worker.md"),
+  validateFrame,
+  extraSections: codeVocabularySection,
+};
+
+export function buildRolePayload({ outDir }) {
+  return core.buildRolePayload({ ...CONFIG, outDir });
+}
+
+export function buildFramePackets(options) {
+  return core.buildFramePackets({ ...CONFIG, ...options });
+}
+
+if (core.isMainModule(import.meta.url)) core.runCli({ buildFramePackets, buildRolePayload });