Chnapy · Chnapy · Aug 24, 2026 · Aug 24, 2026 · Aug 24, 2026
diff --git a/PKVault.Backend/ExceptionHandlingMiddleware.cs b/PKVault.Backend/ExceptionHandlingMiddleware.cs
@@ -17,9 +17,9 @@ public async Task Invoke(HttpContext context)
         }
     }
 
-    private static async Task WriteExceptionResponse(HttpContext context, Exception ex)
+    public static async Task WriteExceptionResponse(HttpContext context, Exception ex)
     {
-        Log.Error(ex.ToString());
+        Log.Error(ex, "Exception during web request");
         var response = context.Response;
         if (response.HasStarted)
         {

diff --git a/PKVault.Backend/backup/services/BackupService.cs b/PKVault.Backend/backup/services/BackupService.cs
@@ -414,7 +414,7 @@ public async Task PrepareBackupThenRun(string backupName, DataUpdateFlags flags,
         }
         catch (Exception ex)
         {
-            log.LogError(ex.ToString());
+            log.LogError(ex, "Exception during action run");
 
             await RestoreBackup(bkpDateTime, withSafeBackup: false, flags);
 

diff --git a/PKVault.Backend/db/loader/PkmFileLoader.cs b/PKVault.Backend/db/loader/PkmFileLoader.cs
@@ -57,7 +57,7 @@ public static async Task<PkmFileEntity> LoadPkmFile(IFileIOService fileIOService
         }
         catch (Exception ex)
         {
-            Log.Warning(ex.ToString());
+            Log.Warning(ex, "Exception during PKM file load");
 
             pkmFile.Data = [];
             pkmFile.Error = GetPKMLoadError(ex);
@@ -216,8 +216,7 @@ public ImmutablePKM CreatePKM(PkmFileEntity entity, EntityContext context)
         }
         catch (Exception ex)
         {
-            Log.Error($"PKM file load failure with PkmFileEntity.Filepath=${filepath}");
-            Log.Error(ex.ToString());
+            Log.Error(ex, $"PKM file load failure with PkmFileEntity.Filepath=${filepath}");
 
             pkm = GetPlaceholderPKM();
             loadError = GetPKMLoadError(ex);

diff --git a/PKVault.Backend/db/loader/save/SavesLoadersService.cs b/PKVault.Backend/db/loader/save/SavesLoadersService.cs
@@ -213,7 +213,7 @@ private async Task<IDictionary<uint, SaveLoadersRecord>> ReadSaveFiles()
         }
         catch (Exception ex)
         {
-            log.LogError(ex.ToString());
+            log.LogError(ex, $"Exception during save load, path={path}");
             return null;
         }
     }

diff --git a/PKVault.Backend/db/services/SessionService.cs b/PKVault.Backend/db/services/SessionService.cs
@@ -130,7 +130,7 @@ private async Task<bool> CheckDataToNormalize(IServiceScope scope, DataUpdateFla
         }
         catch (Exception ex)
         {
-            log.LogError(ex.ToString());
+            log.LogError(ex, "Exception during external-pkms check/update");
         }
         return false;
     }

diff --git a/PKVault.Backend/settings/services/SettingsService.cs b/PKVault.Backend/settings/services/SettingsService.cs
@@ -314,7 +314,7 @@ static bool IsSteamDeck()
             }
             catch (Exception ex)
             {
-                Log.Error(ex.ToString());
+                Log.Error(ex, "Exception during is-steamdeck check");
             }
 
             try
@@ -325,7 +325,7 @@ static bool IsSteamDeck()
             }
             catch (Exception ex)
             {
-                Log.Error(ex.ToString());
+                Log.Error(ex, "Exception during is-steamdeck hostname check");
             }
 
             return false;

diff --git a/PKVault.Backend/storage/services/ActionService.cs b/PKVault.Backend/storage/services/ActionService.cs
@@ -323,7 +323,7 @@ await scope.ServiceProvider.GetRequiredService<SessionDbContext>()
         }
         catch (Exception ex)
         {
-            log.LogError(ex.ToString());
+            log.LogError(ex, "Exception during action add");
 
             await RemoveDataActionsAndReset(sessionService.Actions.Count);
 

diff --git a/PKVault.Backend/storage/services/PkmLegalityService.cs b/PKVault.Backend/storage/services/PkmLegalityService.cs
@@ -44,8 +44,7 @@ private PkmLegalityDTO CreateDTO(
         }
         catch (Exception ex)
         {
-            Log.Error($"ValidityReport exception, id={id}");
-            Log.Error(ex.ToString());
+            Log.Error(ex, $"Exception during ValidityReport, id={id}");
             ValidityReport = ex.ToString();
         }
 

diff --git a/PKVault.Desktop/Program.cs b/PKVault.Desktop/Program.cs
@@ -81,8 +81,16 @@ static void Main(string[] args)
             {
                 Log.Logger.Debug("CREATED");
 
-                var backendServerPostRun = await SetupBackendServer(server, args);
-                await backendServerPostRun();
+                try
+                {
+                    var backendServerPostRun = await SetupBackendServer(server, args);
+                    await backendServerPostRun();
+                }
+                catch (Exception ex)
+                {
+                    Log.Fatal(ex, "An unhandled exception occurred post window created");
+                    throw;
+                }
 
             });
             window.RegisterWindowClosingHandler((sender, e) =>
@@ -140,40 +148,47 @@ private static Func<Task> SetupStaticAssetsServer(out string baseUrl)
 
         server.Map("{**catchAll}", async context =>
         {
-            // log.LogInformation("GET => " + context.Request.Path.Value);
-            // log.LogInformation(context.Request.GetDisplayUrl());
-            // log.LogInformation(context.Request.GetEncodedUrl());
-
-            // http://localhost:8000/api/storage/main/pkm-version
-            // http://localhost:8000/index.html?server=http://localhost:57471
-            var uri = context.Request.GetDisplayUrl();
-            // log.LogInformation($"DEBUG {uri}");
-
-            var uriParts = uri.Split('?')[0].Split('/');
-
-            var uriActionAndRest = uriParts.Skip(3);
-            var uriAction = uriActionAndRest.First();
-            var uriDirectories = uriActionAndRest.SkipLast(1);
-            var uriFilename = uriActionAndRest.Last();
-            var uriFilenameExt = Path.GetExtension(uriFilename);
-            var assemblyActionAndRest = string.Join('.', [
-                ..uriDirectories.Select(part => part.Replace('-', '_')),
-                uriFilename
-            ]);
-
-            var streamKey = $"{AssemblyStaticPrefix}{assemblyActionAndRest}";
-            var stream = Assembly.GetManifestResourceStream(streamKey);
-            if (stream == null)
+            try
             {
-                Log.Error($"Stream not found for key {streamKey}");
-                // args.Response = webView.CoreWebView2.Environment.CreateWebResourceResponse(stream, 404, "Not Found", "");
-                return;
-            }
+                // log.LogInformation("GET => " + context.Request.Path.Value);
+                // log.LogInformation(context.Request.GetDisplayUrl());
+                // log.LogInformation(context.Request.GetEncodedUrl());
 
-            contentTypeProvider.Mappings.TryGetValue(uriFilenameExt, out var contentType);
+                // http://localhost:8000/api/storage/main/pkm-version
+                // http://localhost:8000/index.html?server=http://localhost:57471
+                var uri = context.Request.GetDisplayUrl();
+                // log.LogInformation($"DEBUG {uri}");
 
-            context.Response.ContentType = contentType;
-            await stream.CopyToAsync(context.Response.Body);
+                if (uri.EndsWith("/.well-known/appspecific/com.chrome.devtools.json"))
+                {
+                    context.Response.StatusCode = Microsoft.AspNetCore.Http.StatusCodes.Status404NotFound;
+                    return;
+                }
+
+                var uriParts = uri.Split('?')[0].Split('/');
+
+                var uriActionAndRest = uriParts.Skip(3);
+                var uriAction = uriActionAndRest.First();
+                var uriDirectories = uriActionAndRest.SkipLast(1);
+                var uriFilename = uriActionAndRest.Last();
+                var uriFilenameExt = Path.GetExtension(uriFilename);
+                var assemblyActionAndRest = string.Join('.', [
+                    ..uriDirectories.Select(part => part.Replace('-', '_')),
+                    uriFilename
+                ]);
+
+                var streamKey = $"{AssemblyStaticPrefix}{assemblyActionAndRest}";
+                var stream = Assembly.GetManifestResourceStream(streamKey)
+                    ?? throw new ArgumentException($"Stream not found for key {streamKey}, uri {uri}");
+                contentTypeProvider.Mappings.TryGetValue(uriFilenameExt, out var contentType);
+
+                context.Response.ContentType = contentType;
+                await stream.CopyToAsync(context.Response.Body);
+            }
+            catch (Exception ex)
+            {
+                await ExceptionHandlingMiddleware.WriteExceptionResponse(context, ex);
+            }
         });
 
         return () => server.RunAsync();
@@ -383,7 +398,7 @@ async Task<FileExploreResponseMessage> GetDialogResponse()
             }
             catch (JsonException ex)
             {
-                Log.Error(ex.ToString());
+                Log.Error(ex, "JsonException during frontend message recept");
             }
         });
     }

diff --git a/frontend/package-lock.json b/frontend/package-lock.json
diff --git a/frontend/package.json b/frontend/package.json
@@ -100,6 +100,7 @@
     "typescript-eslint": "^8.59.0",
     "vite": "^8.0.3",
     "vite-css-modules": "^1.16.0",
+    "vite-plugin-devtools-json": "^1.1.0",
     "vite-plugin-image-optimizer": "^2.0.3",
     "vite-plugin-svgr": "^5.2.0",
     "vitest": "^4.1.8"

diff --git a/frontend/src/notification/hooks/use-check-update.ts b/frontend/src/notification/hooks/use-check-update.ts
@@ -29,14 +29,14 @@ export const useCheckUpdate = (): string | undefined => {
     const updateQuery = useQuery({
         queryKey: [ 'check-update' ],
         queryFn: () => fetch('https://api.github.com/repos/chnapy/PKVault/releases/latest')
-            .then<{
+            .then<Partial<{
                 name: string;
                 draft: boolean;
                 prerelease: boolean;
-            }>(res => res.json()),
+            }> | undefined>(res => res.json()),
     });
 
-    if (!updateQuery.data || !settingsQuery.data) {
+    if (!updateQuery.data?.name || !settingsQuery.data) {
         return;
     }
 

diff --git a/frontend/src/notification/notification-button.tsx b/frontend/src/notification/notification-button.tsx
@@ -3,6 +3,7 @@ import { BellIcon } from 'lucide-react';
 import React from 'react';
 import { BackendErrorsContext } from '../data/backend-errors-context';
 import { useWarningsGetWarnings } from '../data/sdk/warnings/warnings.gen';
+import { withErrorCatcher } from '../error/with-error-catcher';
 import { useTranslate } from '../translate/i18n';
 import { UIActionIcon } from '../ui/form/button/ui-action-icon';
 import type { PopoverContext } from '../ui/interaction/focus-controls/components/popover/context/popover-context';
@@ -40,7 +41,7 @@ const useOpened = () => {
     };
 };
 
-export const NotificationButton: React.FC = () => {
+export const NotificationButton: React.FC = withErrorCatcher('item', () => {
     const { t } = useTranslate();
 
     const { hasAlerts, opened, setOpened } = useOpened();
@@ -75,4 +76,4 @@ export const NotificationButton: React.FC = () => {
             }}
         />
     );
-};
+});
diff --git a/frontend/src/settings/about/settings-about-right.tsx b/frontend/src/settings/about/settings-about-right.tsx
@@ -21,20 +21,22 @@ export const SettingsAboutRight: React.FC = () => {
     const releasesQuery = useQuery({
         queryKey: [ 'release-list' ],
         queryFn: () => fetch('https://api.github.com/repos/chnapy/PKVault/releases')
-            .then<{
-                url: string;
+            .then<Partial<{
+                // url: string;
                 html_url: string;
                 id: number;
                 name: string;
-                draft: boolean;
-                prerelease: boolean;
-                created_at: string;
-                updated_at: string;
+                // draft: boolean;
+                // prerelease: boolean;
+                // created_at: string;
+                // updated_at: string;
                 published_at: string;
                 body: string;
-            }[]>(res => res.json())
-            .then(data => data.sort((r1, r2) => {
-                const state = getReleaseVersionState(r1.name.substring(1), r2.name.substring(1));
+            }>[] | undefined>(res => res.json())
+            .then(data => (data ?? []).sort((r1, r2) => {
+                const state = r1.name && r2.name
+                    ? getReleaseVersionState(r1.name.substring(1), r2.name.substring(1))
+                    : 'same';
                 return switchUtil(state, {
                     new: -1,
                     old: 1,
@@ -61,7 +63,9 @@ export const SettingsAboutRight: React.FC = () => {
         {isPending && <Skeleton h='100vh' mt='md' />}
 
         {!isPending && releasesQuery.data?.map(r => {
-            const releaseState = getReleaseVersionState(r.name.substring(1), settingsVersion ?? '');
+            const releaseState = r.name
+                ? getReleaseVersionState(r.name.substring(1), settingsVersion ?? '')
+                : 'same';
 
             return <CardSection key={r.id} withBorder inheritPadding py='inherit'
                 style={{
@@ -89,7 +93,7 @@ export const SettingsAboutRight: React.FC = () => {
                             {r.name}
                         </UIButton>
                         <Badge variant='light' size='lg'>
-                            {renderDate(new Date(r.published_at))}
+                            {r.published_at && renderDate(new Date(r.published_at))}
                         </Badge>
 
                         {releaseState === 'same' && <Badge variant='filled' size='lg' ml='auto'>
@@ -105,7 +109,7 @@ export const SettingsAboutRight: React.FC = () => {
                     <UIMarkdownRenderer
                         titleReduce={3}
                     >
-                        {r.body
+                        {(r.body ?? '')
                             .replaceAll(/@(\w+)/g, (match, name) => {
                                 return `[@${name}](https://github.com/${name})`;
                             })

diff --git a/frontend/vite.config.ts b/frontend/vite.config.ts
@@ -5,6 +5,7 @@ import { tanstackRouter } from "@tanstack/router-plugin/vite";
 import react, { reactCompilerPreset } from '@vitejs/plugin-react';
 import { defineConfig } from "vite";
 import { patchCssModules } from 'vite-css-modules';
+import devtoolsJson from 'vite-plugin-devtools-json';
 import { ViteImageOptimizer } from 'vite-plugin-image-optimizer';
 import svgr from "vite-plugin-svgr";
 import { prepareDocs } from './src/help/prepare-docs';
@@ -25,6 +26,7 @@ export default defineConfig({
       generateSourceTypes: true,
       declarationMap: true
     }),
+    devtoolsJson(),
     tanstackRouter({
       target: "react",
       autoCodeSplitting: true,