enhance(backend): improve chart engine

packages/backend/src/services/chart/charts/entities/active-users.ts

@@ -0,0 +1,36 @@
+import Chart from '../../core';
+
+export const name = 'activeUsers';
+
+const logSchema = {
+	/**
+	 * アクティブユーザー
+	 */
+	users: {
+		type: 'array' as const,
+		optional: false as const, nullable: false as const,
+		items: {
+			type: 'string' as const,
+			optional: false as const, nullable: false as const,
+		},
+	},
+};
+
+export const schema = {
+	type: 'object' as const,
+	optional: false as const, nullable: false as const,
+	properties: {
+		local: {
+			type: 'object' as const,
+			optional: false as const, nullable: false as const,
+			properties: logSchema,
+		},
+		remote: {
+			type: 'object' as const,
+			optional: false as const, nullable: false as const,
+			properties: logSchema,
+		},
+	},
+};
+
+export const entity = Chart.schemaToEntity(name, schema);