feat(bid): 完成甲方报价模块全量功能开发

1.  新增甲方报价业务实体，继承基础实体类
2.  新增供应商报价明细查询接口，支持按供应商ID展开物料明细
3.  重构甲方报价关联逻辑，通过material_id精确关联物料表
4.  新增甲方报价历史统计、月度趋势、快速新建等服务功能
5.  完善菜单配置，修正甲方报价菜单结构，添加完整权限控制
6.  新增物料搜索自动补全功能，优化报价单详情页面
7.  在供应商详情页新增报价历史Tab页签，展示该供应商的所有报价物料明细
8.  在物料详情页新增甲方报价记录Tab页签，展示该物料的所有甲方报价历史
9.  新增数据库优化脚本，添加索引并修复历史数据关联

ruoyi-system/src/main/resources/mapper/bid/BizQuotationItemMapper.xml

@@ -19,6 +19,23 @@
     SELECT * FROM biz_quotation_item WHERE quotation_id=#{quotationId}
   </select>
 
+  <!-- 按供应商ID查询报价明细（展开为每行一条物料） -->
+  <select id="selectItemsBySupplierId" resultType="java.util.Map">
+    SELECT qi.item_id AS itemId, qi.quotation_id AS quotationId,
+           qi.material_name AS materialName, qi.spec, qi.unit,
+           qi.quantity, qi.unit_price AS unitPrice, qi.total_price AS totalPrice,
+           qi.delivery_days AS deliveryDays,
+           ri.material_id AS materialId,
+           q.quote_no AS quoteNo, q.submit_time AS submitTime,
+           q.status AS quoteStatus, q.total_amount AS totalAmount,
+           q.valid_days AS validDays
+    FROM biz_quotation_item qi
+    JOIN biz_quotation q ON qi.quotation_id = q.quotation_id
+    LEFT JOIN biz_rfq_item ri ON qi.rfq_item_id = ri.item_id
+    WHERE q.supplier_id = #{supplierId}
+    ORDER BY q.submit_time DESC, qi.item_id
+  </select>
+
   <insert id="insertBizQuotationItem" useGeneratedKeys="true" keyProperty="itemId">
     INSERT INTO biz_quotation_item(quotation_id,rfq_item_id,material_name,spec,unit,quantity,unit_price,total_price,delivery_days,remark)
     VALUES(#{quotationId},#{rfqItemId},#{materialName},#{spec},#{unit},#{quantity},#{unitPrice},#{totalPrice},#{deliveryDays},#{remark})