Migrated the store secret calls from Tauri JS to the runtime API

app/MindWork AI Studio/Tools/Rust/GetSecretRequest.cs

@@ -1,7 +1,6 @@
-using System.Text.Json.Serialization;
-
 namespace AIStudio.Tools.Rust;
 
 public readonly record struct GetSecretRequest(
     string Destination,
-    [property:JsonPropertyName("user_name")] string UserName);
+    string UserName
+);

app/MindWork AI Studio/Tools/Rust/StoreSecretRequest.cs

@@ -0,0 +1,3 @@
+namespace AIStudio.Tools.Rust;
+
+public readonly record struct StoreSecretRequest(string Destination, string UserName, EncryptedText Secret);

app/MindWork AI Studio/Tools/Rust/StoreSecretResponse.cs

@@ -0,0 +1,8 @@
+namespace AIStudio.Tools.Rust;
+
+/// <summary>
+/// Data structure for storing a secret response.
+/// </summary>
+/// <param name="Success">True, when the secret was successfully stored.</param>
+/// <param name="Issue">The issue, when the secret could not be stored.</param>
+public readonly record struct StoreSecretResponse(bool Success, string Issue);