Revert "feat: configurable upload batch size for reverse proxy compatibility"

frontend/src/components/admin/PhotoUpload.tsx

@@ -98,8 +98,7 @@ export const PhotoUpload: React.FC<PhotoUploadProps> = ({ eventId, onUploadCompl
 
     // For large uploads, chunk the files by both count AND size to prevent memory/network issues
     const MAX_FILES_PER_CHUNK = Math.max(1, Math.min(50, maxFilesPerUpload)); // Max 50 files per chunk
-    const maxBatchSizeMb = Number(settings?.general_max_upload_batch_size_mb) || 95;
-    const MAX_BYTES_PER_CHUNK = maxBatchSizeMb * 1024 * 1024;
+    const MAX_BYTES_PER_CHUNK = 500 * 1024 * 1024; // Max 500MB per chunk (nginx limit is 1GB)
     const chunks: File[][] = [];
 
     let currentChunk: File[] = [];

frontend/src/features/settings/hooks/useSettingsState.ts

@@ -16,7 +16,6 @@ export interface GeneralSettings {
   max_file_size_mb: number;
   max_files_per_upload: number;
   allowed_file_types: string;
-  max_upload_batch_size_mb: number;
   enable_analytics: boolean;
   enable_registration: boolean;
   maintenance_mode: boolean;
@@ -88,7 +87,6 @@ export function useSettingsState() {
     max_file_size_mb: 50,
     max_files_per_upload: 500,
     allowed_file_types: 'jpg,jpeg,png,gif,webp',
-    max_upload_batch_size_mb: 95,
     enable_analytics: true,
     enable_registration: false,
     maintenance_mode: false,
@@ -171,7 +169,6 @@ export function useSettingsState() {
           Math.max(1, toNumber(settings.general_max_files_per_upload, 500))
         ),
         allowed_file_types: settings.general_allowed_file_types || 'jpg,jpeg,png,gif,webp',
-        max_upload_batch_size_mb: toNumber(settings.general_max_upload_batch_size_mb, 95),
         enable_analytics: toBoolean(settings.general_enable_analytics, true),
         enable_registration: toBoolean(settings.general_enable_registration, false),
         maintenance_mode: toBoolean(settings.general_maintenance_mode, false),

frontend/src/features/settings/tabs/GeneralTab.tsx

@@ -161,28 +161,6 @@ export const GeneralTab: React.FC<GeneralTabProps> = ({
                 {t('settings.general.maxFilesPerUploadHelp', { max: MAX_FILES_PER_UPLOAD_LIMIT })}
               </p>
             </div>
-            <div>
-              <label className="block text-sm font-medium text-neutral-700 dark:text-neutral-300 mb-1">
-                {t('settings.general.maxUploadBatchSize')}
-              </label>
-              <Input
-                type="number"
-                value={generalSettings.max_upload_batch_size_mb}
-                onChange={(e) => {
-                  const parsed = parseInt(e.target.value, 10);
-                  setGeneralSettings(prev => ({
-                    ...prev,
-                    max_upload_batch_size_mb: Number.isFinite(parsed)
-                      ? Math.max(1, parsed)
-                      : prev.max_upload_batch_size_mb
-                  }));
-                }}
-                min="1"
-              />
-              <p className="text-xs text-neutral-500 dark:text-neutral-400 mt-1">
-                {t('settings.general.maxUploadBatchSizeHelp')}
-              </p>
-            </div>
           </div>
 
           <div>

frontend/src/i18n/locales/de.json

@@ -1012,8 +1012,6 @@
       "maxFileSizeHelp": "Maximale Größe pro hochgeladenem Foto",
       "maxFilesPerUpload": "Max. Dateien pro Upload",
       "maxFilesPerUploadHelp": "Maximale Anzahl an Fotos pro Upload-Vorgang (1-{{max}}).",
-      "maxUploadBatchSize": "Max. Upload-Paketgröße (MB)",
-      "maxUploadBatchSizeHelp": "Maximale Größe pro Upload-Anfrage. Reduzieren Sie diesen Wert bei Nutzung eines Reverse-Proxys mit Größenbeschränkung (z.B. Cloudflare: 100MB).",
       "allowedFileTypes": "Erlaubte Dateitypen",
       "allowedFileTypesHelp": "Kommagetrennte Liste von Dateierweiterungen",
       "featureToggles": "Funktionsschalter",

frontend/src/i18n/locales/en.json

@@ -637,8 +637,6 @@
       "maxFileSizeHelp": "Maximum size per uploaded photo",
       "maxFilesPerUpload": "Max Files per Upload",
       "maxFilesPerUploadHelp": "Maximum number of photos allowed in a single upload batch (1-{{max}}).",
-      "maxUploadBatchSize": "Max Upload Batch Size (MB)",
-      "maxUploadBatchSizeHelp": "Maximum size per upload request. Lower this if behind a reverse proxy with request size limits (e.g. Cloudflare: 100MB).",
       "allowedFileTypes": "Allowed File Types",
       "allowedFileTypesHelp": "Comma-separated list of file extensions",
       "featureToggles": "Feature Toggles",