feat(project): 项目编号支持新增编辑自由填写

项目管理弹窗增加项目编号输入；后端保存改为接收客户端编号并校验租户内唯一，不再自动生成。

Co-authored-by: Cursor <cursoragent@cursor.com>

web-admin/src/utils/project-management.ts

@@ -22,13 +22,14 @@ export function assignmentSnapshot(records: ProjectRecord[]) {
   }))
 }
 
-/** Write bodies intentionally exclude response-only labels, timestamps and generated numbers. */
+/** Write bodies intentionally exclude response-only labels and timestamps. */
 export function managementPayload(kind: 'teams' | 'projects', form: ProjectRecord): ProjectRecord {
   const fields =
     kind === 'teams'
       ? ['teamName', 'leaderUserId', 'enabled', 'remark']
       : [
           'projectName',
+          'projectNo',
           'teamId',
           'leaderUserId',
           'bizTypes',