Define evidence-first table schemas for a survey: what each table must answer, row unit, columns, and which evidence-pack fields are required to fill it. **Trigger**: table schema, schema-first tables, table design, 表格 schema, 先 schema 后填充. **Use when**: you want survey tables that are verifiable an
Define evidence-first table schemas for a survey: what each table must answer, row unit, columns, and which evidence-pack fields are required to fill it. **Trigger**: table schema, schema-first tables, table design, 表格 schema, 先 schema 后填充. **Use when**: you want survey tables that are verifiable and fillable before LaTeX (typically Stage C4, after evidence packs exist).