iOS: pre-create Application Support dir so SwiftData store opens cleanly on first launch (no CoreData recovery noise on device)

Author: OneMuppet

ios/OpenProgression/App/OpenProgressionApp.swift

@@ -4,6 +4,15 @@ import SwiftData
 @main
 struct OpenProgressionApp: App {
     @State private var store = DataStore()
+
+    init() {
+        // SwiftData's default store lives in Application Support, which doesn't exist
+        // on a fresh install. Create it up front so the store opens cleanly (avoids
+        // the first-launch CoreData "failed to create file" recovery noise).
+        try? FileManager.default.createDirectory(
+            at: URL.applicationSupportDirectory, withIntermediateDirectories: true)
+    }
+
     var body: some Scene {
         WindowGroup {
             RootView()