feat(platform): 开源发布 - 初始化 Open AI Canvas

web/src/pages/admin/admin-context.tsx

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+import { App } from "antd";
+import { createContext, useCallback, useContext, useEffect, useMemo, useState, type ReactNode } from "react";
+
+import { getAdminReferences, type AdminReferenceData, type LocalUser } from "@/services/api/auth";
+
+type AdminContextValue = {
+    references: AdminReferenceData;
+    referencesLoading: boolean;
+    reloadReferences: () => Promise<void>;
+    updateUserReference: (user: LocalUser) => void;
+};
+
+const emptyReferences: AdminReferenceData = { users: [], channels: [] };
+const AdminContext = createContext<AdminContextValue | null>(null);
+
+export function AdminProvider({ children }: { children: ReactNode }) {
+    const { message } = App.useApp();
+    const [references, setReferences] = useState<AdminReferenceData>(emptyReferences);
+    const [referencesLoading, setReferencesLoading] = useState(true);
+
+    const reloadReferences = useCallback(async () => {
+        setReferencesLoading(true);
+        try {
+            setReferences(await getAdminReferences());
+        } catch (error) {
+            message.error(error instanceof Error ? error.message : "读取后台基础数据失败");
+        } finally {
+            setReferencesLoading(false);
+        }
+    }, [message]);
+
+    useEffect(() => {
+        void reloadReferences();
+    }, [reloadReferences]);
+
+    const updateUserReference = useCallback((user: LocalUser) => {
+        setReferences((current) => ({
+            ...current,
+            users: current.users.map((item) => item.id === user.id ? { id: user.id, username: user.username, displayName: user.displayName } : item),
+        }));
+    }, []);
+
+    const value = useMemo(() => ({ references, referencesLoading, reloadReferences, updateUserReference }), [references, referencesLoading, reloadReferences, updateUserReference]);
+    return <AdminContext.Provider value={value}>{children}</AdminContext.Provider>;
+}
+
+export function useAdminContext() {
+    const value = useContext(AdminContext);
+    if (!value) throw new Error("useAdminContext 必须在 AdminProvider 内使用");
+    return value;
+}