Add gen-idea skill to Codex installs

[zhaoxueyan1]

Summary

• add a humanize-gen-idea skill so Codex and Kimi installs expose the existing gen-idea workflow
• update the shared installer and install docs to sync and document the new skill
• add wiring regression coverage for gen-idea skill installation and include it in the test runner

Test Plan

• bash tests/test-gen-idea-wiring.sh
• bash tests/test-codex-hook-install.sh

[Copilot]

Pull request overview

This PR exposes the existing gen-idea workflow to Codex/Kimi installs by adding a new humanize-gen-idea entrypoint skill, updating the unified installer + install docs, and adding regression coverage to ensure the wiring stays intact.

Changes:

• Add skills/humanize-gen-idea flow skill and include it in the unified installer’s SKILL_NAMES.
• Update Codex/Kimi/Claude install docs to mention the new skill/command.
• Add wiring + install regression tests and include them in the test runner.

Reviewed changes

Copilot reviewed 8 out of 8 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
skills/humanize-gen-idea/SKILL.md	New flow skill that documents the required gen-idea execution sequence for Codex/Kimi entrypoints.
scripts/install-skill.sh	Adds humanize-gen-idea to the install set and generalizes installed-layout detection to iterate SKILL_NAMES.
docs/install-for-codex.md	Documents that Codex installs now include the humanize-gen-idea skill directory.
docs/install-for-kimi.md	Documents that Kimi installs now include the humanize-gen-idea skill and updates manual install steps accordingly.
docs/install-for-claude.md	Adds /humanize:gen-idea to the list of post-install commands.
tests/test-gen-idea-wiring.sh	New test to assert skill + installer + docs wiring for gen-idea.
tests/test-codex-hook-install.sh	Extends Codex install regression to assert humanize-gen-idea is installed.
tests/run-all-tests.sh	Adds the new wiring test to the test suite list.

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[chatgpt-codex-connector]

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[SihaoLiu]

@shinezyy can you take a look?

[zevorn]

@zhaoxueyan1 Please resolve conficts

[zhaoxueyan1]

@zevorn Resolved.