lingtai-help-router

# LingTai help Choose one child by the requested operation; do not infer a mutation from this router. - **Installation** — [help/reference/installation/skill.md](https://lingtai.ai/help/reference/installation/skill.md) for the ordinary installer, explicit update/dev/fix assets, and verification. - **Beginner manual** — [help/beginner-manual.md](https://lingtai.ai/help/beginner-manual.md) for first-time users who need installation, configuration, first task, common slash commands, troubleshooting, and privacy guidance. - **Migration** — [help/reference/migration/skill.md](https://lingtai.ai/help/reference/migration/skill.md) for exact-tag product migration history. This router is guidance only. Ownership, provenance, consent, postconditions, and exit status belong to the executable child or asset. If the needed child is not available, stop and report the missing URL.