i think i got step one working

src-tauri/capabilities/default.json

@@ -1,11 +1,19 @@
 {
   "$schema": "../gen/schemas/desktop-schema.json",
   "identifier": "default",
-  "description": "enables the default permissions",
+  "description": "Default capabilities for TalkEdit desktop",
   "windows": [
     "main"
   ],
   "permissions": [
-    "core:default"
+    "core:default",
+    "dialog:default",
+    "dialog:allow-open",
+    "dialog:allow-save",
+    "fs:default",
+    "fs:allow-read-text-file",
+    "fs:allow-write-text-file",
+    "fs:allow-app-read-recursive",
+    "fs:allow-app-write-recursive"
   ]
 }