feat(app-module): 模块管理新增图标字段的表格列与表单行

配合后端 app_module.icon（YschIcons 图标名，非必填）：
- 表格在「模块名称」后加「图标」列，有值时预览 SvgIcon 并显示图标名原文，无值显示占位
- 新增/编辑弹窗在「模块路径」后加一行「模块图标」输入框（clearable，非必填）
- 回显、新增/子模块初始值、两处提交参数均已带上 icon；空串归一为不下发该字段，
  后端 edit 逐字段整体赋值，故清空图标可生效

src/views/app/ModuleManage.vue

@@ -29,6 +29,10 @@
                 <FormItem label="模块路径：" prop="path">
                     <Input placeholder="请输入模块路径" v-model="form.path" />
                 </FormItem>
+                <FormItem label="模块图标：" prop="icon">
+                    <Input placeholder="选填，YschIcons 图标名（如 notice-list）；留空则不下发图标"
+                        v-model="form.icon" clearable />
+                </FormItem>
                 <FormItem label="自定义ID：" prop="customId">
                     <InputNumber :style="{ width: '100%' }" placeholder="请输入自定义ID" v-model="form.customId" />
                 </FormItem>
@@ -91,6 +95,24 @@ const flatData = computed(() => flattenTree(moduleList.value));
 /* ---------------- 表格列 ---------------- */
 const columns = [
     { title: "模块名称", key: "name", minWidth: 260, slot: "name" },
+    {
+        title: "图标",
+        key: "icon",
+        width: 170,
+        align: "center",
+        render: (h: any, { row }: any) => {
+            if (!row.icon) return h("span", { style: { color: "#c5c8ce" } }, "-");
+            return h("div", {
+                style: { display: "flex", alignItems: "center", justifyContent: "center", gap: "6px" },
+                title: row.icon,
+            }, [
+                h(SvgIcon, { name: row.icon, size: 16 }),
+                h("span", {
+                    style: { maxWidth: "110px", overflow: "hidden", textOverflow: "ellipsis", whiteSpace: "nowrap" },
+                }, row.icon),
+            ]);
+        },
+    },
     { title: "ID", key: "customId", width: 120, align: "center", render: (h: any, { row }: any) => h("span", row.customId || "-") },
     { title: "路径", key: "path", minWidth: 200, render: (h: any, { row }: any) => h("span", row.path || "-") },
     { title: "排序号", key: "sortNo", width: 100, align: "center", render: (h: any, { row }: any) => h("span", row.sortNo ?? "-") },
@@ -123,6 +145,7 @@ const form = ref<{
     id: number | null;
     name: string;
     path: string;
+    icon: string;
     customId: number | null;
     parentId: number | null;
     sortNo: number | null;
@@ -130,6 +153,7 @@ const form = ref<{
     id: null,
     name: '',
     path: '',
+    icon: '',
     customId: null,
     parentId: null,
     sortNo: null,
@@ -177,6 +201,7 @@ function openEditModal(item: any) {
         f.id = item?.id ?? null;
         f.name = item?.name || '';
         f.path = item?.path || '';
+        f.icon = item?.icon || '';
         f.customId = item?.customId != null ? Number(item.customId) : null;
         f.parentId = item?.parentId ?? null;
         f.sortNo = item?.sortNo != null ? Number(item.sortNo) : null;
@@ -189,13 +214,13 @@ function openEditModal(item: any) {
 /* ---------------- 新增模块 ---------------- */
 function handleAdd() {
     openingIsChild.value = false;
-    openEditModal({ id: null, name: '', path: '', customId: null, parentId: null, sortNo: null });
+    openEditModal({ id: null, name: '', path: '', icon: '', customId: null, parentId: null, sortNo: null });
 }
 
 /* ---------------- 新增子模块 ---------------- */
 function handleAddChild(parent: any) {
     openingIsChild.value = true;
-    openEditModal({ id: null, name: '', path: '', customId: null, parentId: parent.id, sortNo: null });
+    openEditModal({ id: null, name: '', path: '', icon: '', customId: null, parentId: parent.id, sortNo: null });
 }
 
 /* ---------------- 编辑 ---------------- */
@@ -240,6 +265,7 @@ async function onRawSave() {
                     appId: appId.value,
                     name: form.value.name,
                     path: form.value.path,
+                    icon: form.value.icon?.trim() || undefined,
                     customId: form.value.customId == null ? '' : String(form.value.customId),
                     parentId: form.value.parentId ?? undefined,
                     sortNo: form.value.sortNo == null ? undefined : Number(form.value.sortNo),
@@ -253,6 +279,8 @@ async function onRawSave() {
                     appId: appId.value,
                     name: form.value.name,
                     path: form.value.path,
+                    // 后端 edit 逐字段整体赋值，字段缺省即置空 → 清空图标能生效
+                    icon: form.value.icon?.trim() || undefined,
                     customId: form.value.customId == null ? '' : String(form.value.customId),
                     parentId: form.value.parentId ?? undefined,
                     sortNo: form.value.sortNo == null ? undefined : Number(form.value.sortNo),