Cleaned global app warnings

src/stores/obsidian-app.ts

@@ -0,0 +1,17 @@
+import type { App } from 'obsidian'
+
+let obsidianApp: App | null = null
+
+export function setObsidianApp(app: App) {
+  obsidianApp = app
+}
+
+/**
+ * Helper function to get the Obsidian app instance.
+ */
+export function getObsidianApp() {
+  if (!obsidianApp) {
+    throw new Error('Obsidian app not set')
+  }
+  return obsidianApp as App
+}