feat(review): 支持多候选稿验收轮次

- 支持每轮提交 1–5 个候选稿并按指定稿验收
- 保留历史轮次只读并兼容单候选稿版本接口
- 同步 SQLite/PostgreSQL schema、迁移验证、测试与项目文档

api/repositories/notesRepository.ts

@@ -3,7 +3,7 @@ import type { Note, NoteListQuery, ReviewStatus } from '../../shared/types.js';
 
 interface NoteRow {
   id: number; collection_id: number; external_id: string | null; title: string; description: string; tags: string;
-  review_status: ReviewStatus; version_number: number; created_at: string;
+  review_status: ReviewStatus; version_number: number; active_round_id: number | null; approved_version_number: number | null; created_at: string;
   image_count: number | string; annotation_count: number | string; comment_count: number | string; cover_url: string | null;
 }
 
@@ -11,6 +11,7 @@ function toNote(row: NoteRow): Note {
   return {
     ...row,
     id: Number(row.id), collection_id: Number(row.collection_id), version_number: Number(row.version_number),
+    active_round_id: row.active_round_id == null ? null : Number(row.active_round_id), approved_version_number: row.approved_version_number == null ? null : Number(row.approved_version_number),
     image_count: Number(row.image_count), annotation_count: Number(row.annotation_count), comment_count: Number(row.comment_count),
     tags: JSON.parse(row.tags || '[]') as string[],
     cover_image: row.cover_url ? (/^https?:\/\//.test(row.cover_url) || row.cover_url.startsWith('/') ? row.cover_url : `/uploads/${row.cover_url}`) : '',
@@ -18,7 +19,7 @@ function toNote(row: NoteRow): Note {
 }
 
 const select = `
-  SELECT n.id, n.collection_id, n.external_id, n.title, n.description, n.tags, n.review_status, n.version_number, n.created_at,
+  SELECT n.id, n.collection_id, n.external_id, n.title, n.description, n.tags, n.review_status, n.version_number, n.active_round_id, n.approved_version_number, n.created_at,
     COALESCE(ic.image_count, 0) AS image_count,
     COALESCE(ac.annotation_count, 0) AS annotation_count,
     COALESCE(cc.comment_count, 0) AS comment_count,