ci(claude): mint the app token with the client id

[Troublor]

create-github-app-token@v3 deprecates app-id in favour of client-id; the release workflows (#201) already use client-id: ${{ vars.MEGA_MAXWELL_CLIENT_ID }}. This moves claude.yml to the same input. Same app, same private key.

🤖 Generated with Claude Code

[chatgpt-codex-connector]

Codex Review Summary

This comment shows the latest Codex review activity on this pull request.

Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-09-08T07:28:27.363561Z	93f2a3f	PR opened

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[mega-maxwell]

Claude review status

Living comment — rewritten in place. The review workflow keeps this single comment up to date instead of posting a new one each round, so it always describes the latest reviewed commit and the earlier text is intentionally gone. No reply is needed here; reply to a finding in its own review thread, and answer an open question in a reply on this PR. The next review round reconciles your answer.

🛠️ Review did not finish

Attempted head 93f2a3f5 · updated 2026-09-08T07:26:31+00:00

This round did not publish: MODEL_NO_OUTPUT in phase compile. Anything listed below is from the last round that did. Re-run the workflow or push a new commit to try again.