global update and global fix

apps/frontend/lib/bot-menu-button.ts

@@ -0,0 +1,46 @@
+export type ComposerMenuButton = {
+  type: 'web_app';
+  text: string;
+  web_app: { url: string };
+};
+
+export function parseComposerMenuButtonJson(raw?: string | null): ComposerMenuButton | null {
+  if (!raw?.trim()) {
+    return null;
+  }
+  try {
+    const parsed = JSON.parse(raw) as unknown;
+    if (
+      typeof parsed === 'object' &&
+      parsed !== null &&
+      (parsed as ComposerMenuButton).type === 'web_app' &&
+      typeof (parsed as ComposerMenuButton).text === 'string' &&
+      typeof (parsed as ComposerMenuButton).web_app?.url === 'string'
+    ) {
+      const button = parsed as ComposerMenuButton;
+      const url = button.web_app.url.trim();
+      if (!url) {
+        return null;
+      }
+      return { type: 'web_app', text: button.text.trim() || 'App', web_app: { url } };
+    }
+  } catch {
+    return null;
+  }
+  return null;
+}
+
+export function resolveComposerMenuButton(options: {
+  composerMenuButtonJson?: string | null;
+  composerWebAppUrl?: string | null;
+}): ComposerMenuButton | null {
+  const fromJson = parseComposerMenuButtonJson(options.composerMenuButtonJson);
+  if (fromJson) {
+    return fromJson;
+  }
+  const url = options.composerWebAppUrl?.trim();
+  if (url) {
+    return { type: 'web_app', text: 'App', web_app: { url } };
+  }
+  return null;
+}