feat(forecast-form): 添加品牌和物料相关输入字段

src/components/forecast-form/index.vue

@@ -126,6 +126,62 @@
           </el-row>
           <el-row :gutter="20">
             <el-col :span="12">
+              <el-form-item label="品牌编码">
+                <el-input
+                  v-model="formData.brandCode"
+                  placeholder="选择品牌后自动填充"
+                  disabled
+                  style="width: 100%"
+                ></el-input>
+              </el-form-item>
+            </el-col>
+            <el-col :span="12">
+              <el-form-item label="品牌名称">
+                <el-input
+                  v-model="formData.brandName"
+                  placeholder="选择品牌后自动填充"
+                  disabled
+                  style="width: 100%"
+                ></el-input>
+              </el-form-item>
+            </el-col>
+          </el-row>
+          <el-row :gutter="20">
+            <el-col :span="12">
+              <el-form-item label="物料编码">
+                <el-input
+                  v-model="formData.itemCode"
+                  placeholder="选择物料后自动填充"
+                  disabled
+                  style="width: 100%"
+                ></el-input>
+              </el-form-item>
+            </el-col>
+            <el-col :span="12">
+              <el-form-item label="物料名称">
+                <el-input
+                  v-model="formData.itemName"
+                  placeholder="选择物料后自动填充"
+                  disabled
+                  style="width: 100%"
+                ></el-input>
+              </el-form-item>
+            </el-col>
+          </el-row>
+          <el-row :gutter="20">
+            <el-col :span="12">
+              <el-form-item label="物料规格">
+                <el-input
+                  v-model="formData.itemSpecs"
+                  placeholder="选择物料后自动填充"
+                  disabled
+                  style="width: 100%"
+                ></el-input>
+              </el-form-item>
+            </el-col>
+          </el-row>
+          <el-row :gutter="20">
+            <el-col :span="12">
               <el-form-item label="预测数量" prop="forecastQuantity">
                 <div class="forecast-quantity-section">
                   <el-input-number