Source Tutorial Writer

Triggers & routing

• Trigger: source tutorial writer, tutorial drafting, 教程正文, 从资料写教程.
• Use when: source-tutorial 的 C3，outline/tutorial_context_packs.jsonl 已就绪，且 DECISIONS.md 已勾选 Approve C2。
• Skip if: C2 未批准，或 context packs 还没准备好。
• Network: none.
• Guardrail: 正文必须 reader-first，但不能写出 sources 没支持的内容。

Writes the final tutorial markdown from approved module packs and the locked C2 structure.

Inputs

• outline/tutorial_context_packs.jsonl
• outline/module_plan.yml
• DECISIONS.md