Inline app/ (was an embedded git repo)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

app/.vscode/settings.json

@@ -0,0 +1,7 @@
+{
+  "editor.codeActionsOnSave": {
+    "source.fixAll": "explicit",
+    "source.organizeImports": "explicit",
+    "source.sortMembers": "explicit"
+  }
+}