feat(refs): buildRefs 递归下钻 tab，覆盖嵌套 relation

collectRefs 递归收集:relation 叶子直接收，tab 按 value.type 进选中分支继续下钻
(顺带覆盖 tab 套 tab)。refs 字典现含嵌套关联名(如 sellType.goods)，
为 tab 显示搬前端(子组件渲染 + relation 查 refs)铺好地基。

package.json

@@ -1,6 +1,6 @@
 {
     "name": "shrimp-server",
-    "version": "0.6.7",
+    "version": "0.6.9",
     "description": "Shrimp 框架后端 — 声明式字段驱动的 Node.js 管理后台框架(Express + Mongoose + JWT)",
     "main": "dist/main/index.js",
     "types": "dist/main/index.d.ts",

src/Shrimp/ShrimpTableModule.ts

@@ -239,23 +239,21 @@ export class ShrimpTableModule<T, P extends ITableCrudProto<T> = ITableCrudProto
     }
 
     /**
-     * 顶层 relation 字段批量解析成 refs 字典: { moduleKey: { id: 显示名 } }。
+     * relation 字段(含 tab 分支里的嵌套 relation)批量解析成 refs 字典: { moduleKey: { id: 显示名 } }。
      * 整页一次性、按模块各查一次 $in，去重；替代逐行注入 ${key}_label。前端显示时按 id 查名。
      */
     private async buildRefs(rows: any[]): Promise<Record<string, Record<string, any>>> {
-        const relFields = this.getRelationFields()
+        if (rows.length === 0) return {}
-        if (relFields.length === 0 || rows.length === 0) return {}
         const buckets = new Map<string, { labelKey: string; ids: Set<string> }>()
-        for (const row of rows) {
+        const add = (moduleKey: string, labelKey: string, id: any) => {
-            for (const f of relFields) {
-                const v = row[f.key]
-                if (v == null) continue
-                const { moduleKey, labelKey } = f.relation!
             let b = buckets.get(moduleKey)
             if (!b) buckets.set(moduleKey, (b = { labelKey, ids: new Set() }))
-                ;(Array.isArray(v) ? v : [v]).forEach((id: any) => id != null && b!.ids.add(String(id)))
+            b.ids.add(String(id))
         }
+        for (const row of rows) {
+            this.collectRefs(this.fields, (k) => row[k], add)
         }
+        if (buckets.size === 0) return {}
         const refs: Record<string, Record<string, any>> = {}
         for (const [moduleKey, b] of buckets) {
             const dict: Record<string, any> = {}
@@ -269,6 +267,20 @@ export class ShrimpTableModule<T, P extends ITableCrudProto<T> = ITableCrudProto
         return refs
     }
 
+    /** 递归收集 relation 引用：relation 叶子直接收；tab 按 value.type 进选中分支继续下钻(覆盖嵌套/tab套tab) */
+    private collectRefs(fields: IFieldConfig[], valueOf: (key: string) => any, add: (moduleKey: string, labelKey: string, id: any) => void): void {
+        for (const f of fields) {
+            const v = valueOf(f.key)
+            if (v == null) continue
+            if (f.type === "relation" && f.relation) {
+                ;(Array.isArray(v) ? v : [v]).forEach((id: any) => id != null && add(f.relation!.moduleKey, f.relation!.labelKey, id))
+            } else if (f.type === ShrimpFieldTypes.Tab && Array.isArray(f.tabs) && typeof v === "object") {
+                const branch = f.tabs.find(t => t.key === v.type)
+                if (branch) this.collectRefs(branch.fields, (k) => v[k], add)
+            }
+        }
+    }
+
     private excludeKeys(item: any, keys: string[]): any {
         if (keys.length === 0) return item
         const result = { ...item }
@@ -282,10 +294,6 @@ export class ShrimpTableModule<T, P extends ITableCrudProto<T> = ITableCrudProto
         return this.excludeKeys(item, this.fields.filter(f => f.hidden).map(f => f.key))
     }
 
-    private getRelationFields(): IFieldConfig[] {
-        return this.fields.filter(f => f.type === "relation" && f.relation)
-    }
-
     private buildQuery(query?: IPageQuery & any): IShrimpQuery {
         const { keyword, page, pageSize, sortBy, sortOrder, filter, ownerId } = query || {}
         const p = page || 1
@@ -300,6 +308,11 @@ export class ShrimpTableModule<T, P extends ITableCrudProto<T> = ITableCrudProto
             const stringLikeTypes = new Set(['string', 'textarea'])
             const where: Record<string, IShrimpCondition> = {}
             for (const [key, value] of Object.entries(filter)) {
+                // _id 始终放行精确过滤(单项查看/relation 跳转用)，无需配 filterable
+                if (key === '_id') {
+                    if (value != null && value !== '') where['_id'] = { eq: value }
+                    continue
+                }
                 const field = filterableFields.get(key)
                 if (!field) continue
                 if (value == null) continue