feat: add Z12/Z13 bind APIs, stock import, and sync docs

Enable auto default sync channels on agent activate, bind-code/phone confirm flows, publish ALTER, and align admin/yuheng docs with the production bind path.

platform/internal/logic/applogic/tenant_invite.go

@@ -28,6 +28,7 @@ func (l *AuthLogic) issueUser(u *userstore.User) (*types.TokenResp, error) {
 			resp.Status = userstore.StatusPending
 		}
 	}
+	fillUserSyncOnToken(l.svcCtx, resp, u)
 	if u.IsPlatformAdmin() {
 		resp.Message = "平台超级管理员工作台：管理全部公司；打开某公司可查看其内部功能"
 		return resp, nil