✨ Self-contained oidc receiver page

DysonNetwork.Sphere/Pages/Auth/Token.cshtml

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+@page "/auth/token"
+@model DysonNetwork.Sphere.Pages.Auth.TokenModel
+@{
+    ViewData["Title"] = "Authentication Successful";
+    Layout = "_Layout";
+}
+
+<div class="h-full flex items-center justify-center">
+    <div class="max-w-lg w-full mx-auto p-6 text-center">
+        <h1 class="text-2xl font-bold text-gray-900 dark:text-white">Authentication Successful</h1>
+        <p class="mb-6 text-gray-900 dark:text-white">You can now close this window and return to the application.</p>
+    </div>
+</div>
+
+@section Scripts {
+    <script>
+        (function() {
+            const urlParams = new URLSearchParams(window.location.search);
+            const token = urlParams.get('token');
+
+            if (token) {
+                console.log("Authentication token received.");
+
+                // For WebView2/UWP apps that can handle window.external.notify
+                if (window.external && typeof window.external.notify === 'function') {
+                    try {
+                        window.external.notify(token);
+                        console.log("Token sent via window.external.notify.");
+                        return; // Exit after successful notification
+                    } catch (e) {
+                        console.error("Failed to send token via window.external.notify:", e);
+                    }
+                }
+
+                // For mobile apps that use custom URI schemes
+                try {
+                    const customSchemeUrl = `dyson://auth?token=${encodeURIComponent(token)}`;
+                    window.location.href = customSchemeUrl;
+                    console.log("Attempting to redirect to custom scheme:", customSchemeUrl);
+                } catch (e) {
+                    console.error("Failed to redirect to custom scheme:", e);
+                }
+
+            } else {
+                console.error("Authentication token not found in URL.");
+                document.querySelector('p').innerText = "Authentication failed: No token was provided.";
+            }
+        })();
+    </script>
+}

DysonNetwork.Sphere/Pages/Auth/Token.cshtml.cs

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+using Microsoft.AspNetCore.Mvc.RazorPages;
+
+namespace DysonNetwork.Sphere.Pages.Auth
+{
+    public class TokenModel : PageModel
+    {
+        public void OnGet()
+        {
+        }
+    }
+}