feat(skills): add install-hyperframes bootstrap playbook

[wesleysimplicio]

Summary

Packages the entire HyperFrames integration (merged in #43) as a single idempotent bootstrap skill — install-hyperframes. Re-running it on a fresh marketing-engine clone reproduces the three runtime skills, the provider class + mock, the routing matrix rows, the env var, and the CLAUDE.md updates in one pass.

The three runtime skills (hyperframes, hyperframes-cli, hyperframes-prompt-builder) stay as they are — they're for running compositions. The new skill is the install recipe for the integration itself.

What's in the skill

• 9-step playbook that mirrors the three-step ## How to Add a New Provider contract in CLAUDE.md:
  1. Preflight (refuse if not a marketing-engine repo, refuse on main)
  2. Add the three runtime skills (idempotent)
  3. Update video-prompt-builder dispatcher
  4. Extend lib/providers/{types,matrix,video,__mocks__/video}.ts
  5. Append three rows to the Video Routing table in PROVIDERS.md
  6. Append HYPERFRAMES_ACTIVE=false to .env.example
  7. Update CLAUDE.md Stack table + Skills Available list
  8. Verify (parser sanity check + typecheck)
  9. Commit + push + draft PR
• Inputs (repo_root, branch, dry_run), outputs (files_written, files_skipped_idempotent, verification), and failure modes documented.
• Points to the merged reference commit on main as the canonical artefact source — agents diff against it instead of retyping from memory.

Test plan

• On a clean clone with the merged PR feat(skills): wire HyperFrames as a video provider #43 already in place, running this skill is a no-op (idempotent).
• On a clone where one artefact was dropped (e.g. .skills/hyperframes-cli/ deleted), the skill restores only that artefact and leaves the rest untouched.
• Preflight refuses to run on a non-marketing-engine repo and on the main branch.

https://claude.ai/code/session_01H7AkCb3czV1qAwvUjPGWJC

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