Create or update numbered task docs using repo context, DOC_TEMPLATE.md, and naming conventions.
Generate or refresh docs/planned/XX-*.md and docs/completed/XX-*.md files using the mandated template (docs/DOC_TEMPLATE.md) and existing repository content.
docs/DOC_TEMPLATE.md for structure expectations.PLAN.md, AGENTS.md, and any existing task doc being updated.docs/planned/ or docs/completed/) with the naming convention NN-task-name.md.docs/DOC_TEMPLATE.md structure.