Added permission checks to all controllers. Added role permission loading. Added frontend permission checks. Implemented user logout in admin panel.

Moonlight.Frontend/UI/Admin/Views/Sys/Diagnose.razor

@@ -1,4 +1,7 @@
 @using LucideBlazor
+@using Microsoft.AspNetCore.Authorization
+@using Microsoft.AspNetCore.Components.Authorization
+@using Moonlight.Shared
 @using Moonlight.Shared.Http.Responses.Admin
 @using ShadcnBlazor.Accordions
 @using ShadcnBlazor.Alerts
@@ -9,6 +12,7 @@
 @using ShadcnBlazor.Spinners
 
 @inject HttpClient HttpClient
+@inject IAuthorizationService AuthorizationService
 
 <div class="grid grid-cols-1 xl:grid-cols-2 gap-5 mt-5">
     <div class="col-span-1">
@@ -40,7 +44,7 @@
                 </Alert>
             </CardContent>
             <CardFooter ClassName="justify-end">
-                <WButtom OnClick="DiagnoseAsync">
+                <WButtom OnClick="DiagnoseAsync" disabled="@(!AccessResult.Succeeded)">
                     <StethoscopeIcon/>
                     Start diagnostics
                 </WButtom>
@@ -216,10 +220,21 @@
 
 @code
 {
+    [CascadingParameter] public Task<AuthenticationState> AuthState { get; set; }
+
+    private AuthorizationResult AccessResult;
+    
     private bool IsLoading = false;
     private bool HasDiagnosed = false;
     private DiagnoseResultDto[] Entries;
 
+    protected override async Task OnInitializedAsync()
+    {
+        var authState = await AuthState;
+        
+        AccessResult = await AuthorizationService.AuthorizeAsync(authState.User, Permissions.System.Diagnose);
+    }
+
     private async Task DiagnoseAsync()
     {
         IsLoading = true;