feat: 提交流程中心前端代码

Vue3 + Vite + view-ui-plus 前端源码，含流程工作台、实例详情、
任务处理、管理端（定义/实例/映射/回调）等页面。
保留远程 .gitea/workflows/build.yml CI 配置。

src/utils/alova/alova-vant.ts

@@ -0,0 +1,54 @@
+// @/utils/alova-vant.ts
+import { createBschAlova } from "./alova-core";
+import { Toast, Dialog, showFailToast, showDialog, showLoadingToast, closeToast } from "vant";
+import conf from "@/assets/config/host.config";
+
+import { useBschTicketStore } from "@/store/TicketStore";
+import { WappUserHeader } from "@/types/Basics";
+
+let toastLoading: ReturnType<typeof Toast.loading> | null = null;
+
+/* 主动关闭 loading */
+function closeLoading() {
+    if (toastLoading) {
+        toastLoading.close();
+        toastLoading = null;
+    } else {
+        closeToast();
+    }
+}
+
+// const baseUrl = conf.serviceHost + "/api";
+const baseUrl = conf.serviceHost + "/mobiapi";
+/* 创建带 Vant UI 的 Alova 实例 */
+export const alovaInstance = createBschAlova(baseUrl, {
+    injectHeaders(method) {
+        const store = useBschTicketStore();
+        const authoHeaders = store.getAuthoHeaders;
+        const userHeaders = store.getTicket;
+
+        const bschTicket: WappUserHeader = store.getTicket;
+
+        for (const key in authoHeaders) method.config.headers[key] = authoHeaders[key];
+        for (const key in bschTicket) method.config.headers[key] = (bschTicket as any)[key];
+
+        // method.config.headers.currentRole = encodeURIComponent(
+        //     JSON.stringify({ roleId: userHeaders.roleId, childId: userHeaders.userId, schId: userHeaders.schoolId }),
+        // );
+    },
+    /* 2. 加载动画 – Vant Toast */
+    onLoadingStart() {
+        toastLoading = showLoadingToast({
+            message: "加载中...",
+            forbidClick: true,
+            duration: 0,
+        });
+    },
+    onLoadingEnd: closeLoading,
+    onBizError(msg) {
+        showFailToast(msg);
+    },
+    onHttpError(msg) {
+        showDialog({ title: "网络错误", message: msg });
+    },
+});