yuya-takeyama

Create a narrated HTML explainer with measured audio timing, synchronized captions, scene builds, chapters, and transcript. Use for a single-narrator explainer, not an MP4 export.

Create a Japanese dialogue explainer with ずんだもん and 四国めたん standing artwork, expressions, lip sync, VOICEVOX voices, and synchronized captions. Use for 掛け合い解説 or ずんだもん動画.

Assemble a portable HTML learning course from narrated videos, slides, and quizzes with an outline, local progress, and missed-question review. Use for multiple lessons or a self-study course.

Create a self-contained, scrollable HTML explanation of a topic, mechanism, or decision. Use for an explainer page; use slides, video, quiz, or course for those formats.

Create a portable HTML multiple-choice quiz with immediate feedback and explanations. Use for comprehension checks, practice questions, or 確認テスト.

Create portable HTML explainer slides with progressive reveals, keyboard navigation, mobile layouts, and deep links. Use for a slide deck or step-by-step presentation.

Cost-efficient model delegation playbook for Claude Code and Codex. Use BEFORE spawning subagents or workflows, when starting research/exploration/multi-step implementation, or when discussing cost or model selection. Routes Claude Fable/Opus/Sonnet/Haiku per…

Evidence-grade methodology for analyzing, auditing, or retrospecting a Claude Code or Codex agent session over Junrei's MCP tools, and for closing the self-improvement loop (record a fix, check whether it helped). Use whenever asked to…

Launch Junrei's isolated development environment and verify its web UI in a browser. Use when changing React UI, CSS/layout, navigation, interactive controls, or API-backed screen behavior in this repository, and whenever a dev server or port must be chosen…

Prevent and diagnose "PR created but GitHub Actions never start" situations. Use on EVERY commit/push/PR-creation flow in this repo (including commit-commands:commit-push-pr) — rebase onto origin/main before pushing — and whenever `gh pr checks` shows "no…

How to manage dev tools with aqua (aquaproj) in this repo — adding tools, updating versions, and keeping aqua-checksums.json in sync. Use whenever aqua.yaml or aqua-checksums.json is touched, when the user asks to add/update/pin a CLI tool (node, gh, pnpm,…

Use when delegating a pre-planned implementation task to a cheap/flaky model via the untildone Ralph-loop CLI - covers plan handoff, choosing the --check gate, launching, monitoring, and reviewing results