fix: complete admin input hints

src/modules/customers/components/CustomerBillingRulesPanel.vue

@@ -337,11 +337,11 @@ onMounted(() => { void loadConfig(); void loadChargeRules() })
         <el-form ref="editorForm" :model="form" label-position="top">
           <div class="editor-table-wrap">
             <table class="editor-table"><thead><tr><th>箱规类型</th><th>内径长(cm)</th><th>内径宽(cm)</th><th>内径高(cm)</th><th>单边加宽(cm)</th><th>备注</th></tr></thead><tbody>
-              <tr v-for="row in form.rules" :key="row.boxType"><th scope="row">{{ row.boxTypeName }}</th><td><el-input-number v-model="row.innerLengthCm" :min="0.001" :precision="3" :controls="false" /></td><td><el-input-number v-model="row.innerWidthCm" :min="0.001" :precision="3" :controls="false" /></td><td><el-input-number v-model="row.innerHeightCm" :min="0.001" :precision="3" :controls="false" /></td><td><el-input-number v-model="row.edgeAdditionCm" :min="0.001" :max="100" :precision="3" :controls="false" /></td><td><el-input v-model="row.remark" maxlength="500" /></td></tr>
+              <tr v-for="row in form.rules" :key="row.boxType"><th scope="row">{{ row.boxTypeName }}</th><td><el-input-number v-model="row.innerLengthCm" :min="0.001" :precision="3" :controls="false" placeholder="请输入内径长" /></td><td><el-input-number v-model="row.innerWidthCm" :min="0.001" :precision="3" :controls="false" placeholder="请输入内径宽" /></td><td><el-input-number v-model="row.innerHeightCm" :min="0.001" :precision="3" :controls="false" placeholder="请输入内径高" /></td><td><el-input-number v-model="row.edgeAdditionCm" :min="0.001" :max="100" :precision="3" :controls="false" placeholder="请输入边长加值" /></td><td><el-input v-model="row.remark" maxlength="500" placeholder="请输入备注（选填）" /></td></tr>
             </tbody></table>
           </div>
           <div class="rule-save-row"><el-button type="primary" :loading="editorSaving" @click="saveConfig"><Save :size="16" />保存规则</el-button></div>
-          <section v-if="canChargeView" class="combined-charge-editor"><h3>箱规按权重系数计算</h3><p class="editor-formula">长、宽、高任一项超出当前挡位时进入下一挡；命中规格的一个系数统一应用于长、宽、高。</p><div class="charge-rule-editor-wrap"><table class="charge-rule-editor"><thead><tr><th>箱规类型</th><th>内径长(cm)</th><th>内径宽(cm)</th><th>内径高(cm)</th><th>权重系数</th><th>重量(kg)</th><th>备注</th></tr></thead><tbody><tr v-for="row in chargeRows" :key="`combined-${row.boxType}`"><th>{{ BOX_NAMES[row.boxType] }}</th><td><el-input-number v-model="row.length" :min="0.001" :precision="3" :controls="false" /></td><td><el-input-number v-model="row.width" :min="0.001" :precision="3" :controls="false" /></td><td><el-input-number v-model="row.height" :min="0.001" :precision="3" :controls="false" /></td><td><el-input-number v-model="row.coefficient" :min="0.001" :precision="3" :controls="false" /></td><td><el-input-number v-model="row.weight" :min="0.001" :precision="3" :controls="false" /></td><td><el-input v-model="row.remark" maxlength="500" /></td></tr></tbody></table></div><div class="rule-save-row"><el-button type="primary" :loading="chargeSaving" @click="saveChargeConfig"><Save :size="16" />保存系数规则</el-button></div></section>
+          <section v-if="canChargeView" class="combined-charge-editor"><h3>箱规按权重系数计算</h3><p class="editor-formula">长、宽、高任一项超出当前挡位时进入下一挡；命中规格的一个系数统一应用于长、宽、高。</p><div class="charge-rule-editor-wrap"><table class="charge-rule-editor"><thead><tr><th>箱规类型</th><th>内径长(cm)</th><th>内径宽(cm)</th><th>内径高(cm)</th><th>权重系数</th><th>重量(kg)</th><th>备注</th></tr></thead><tbody><tr v-for="row in chargeRows" :key="`combined-${row.boxType}`"><th>{{ BOX_NAMES[row.boxType] }}</th><td><el-input-number v-model="row.length" :min="0.001" :precision="3" :controls="false" placeholder="请输入内径长" /></td><td><el-input-number v-model="row.width" :min="0.001" :precision="3" :controls="false" placeholder="请输入内径宽" /></td><td><el-input-number v-model="row.height" :min="0.001" :precision="3" :controls="false" placeholder="请输入内径高" /></td><td><el-input-number v-model="row.coefficient" :min="0.001" :precision="3" :controls="false" placeholder="请输入权重系数" /></td><td><el-input-number v-model="row.weight" :min="0.001" :precision="3" :controls="false" placeholder="请输入重量" /></td><td><el-input v-model="row.remark" maxlength="500" placeholder="请输入备注（选填）" /></td></tr></tbody></table></div><div class="rule-save-row"><el-button type="primary" :loading="chargeSaving" @click="saveChargeConfig"><Save :size="16" />保存系数规则</el-button></div></section>
         </el-form>
       </div>
       <template #footer><div class="dialog-actions"><el-button :disabled="editorSaving || chargeSaving" @click="closeEditor">取消</el-button></div></template>