Update placeholders in WelcomeForm and DiscordEmbedBuilder for improved user guidance

- Changed placeholder text in WelcomeForm to use more descriptive keys for leave content.
- Enhanced DiscordEmbedBuilder to accept custom title and description placeholders, improving flexibility for embed creation.
- Updated localization files in English and German to include new placeholder texts, ensuring consistency and clarity for users.

apps/webui/src/components/modules/welcome-form.tsx

@@ -238,7 +238,7 @@ export function WelcomeForm({ guildId, initialValue }: WelcomeFormProps) {
                 <Textarea
                   value={value.leaveContent ?? ''}
                   onChange={(event) => setValue((prev) => ({ ...prev, leaveContent: event.target.value || null }))}
-                  placeholder={t('modulePages.welcome.contentPlaceholder')}
+                  placeholder={t('modulePages.welcome.leaveContentPlaceholder')}
                 />
                 <PlaceholderHelp preset="welcome" />
               </div>
@@ -251,6 +251,8 @@ export function WelcomeForm({ guildId, initialValue }: WelcomeFormProps) {
                   onChange={(leaveEmbed) => setValue((prev) => ({ ...prev, leaveEmbed }))}
                   previewVars={WELCOME_PREVIEW_VARS}
                   placeholderPreset="welcome"
+                  titlePlaceholder={t('modulePages.welcome.leaveEmbedTitlePlaceholder')}
+                  descriptionPlaceholder={t('modulePages.welcome.leaveEmbedDescriptionPlaceholder')}
                 />
               </div>
               </FieldAnchor>

apps/webui/src/components/ui/discord-embed-builder.tsx

@@ -73,6 +73,10 @@ interface DiscordEmbedBuilderProps {
   showClearHint?: boolean;
   /** Which placeholders apply to this embed context. */
   placeholderPreset?: PlaceholderPresetId;
+  /** Override default embed title input placeholder. */
+  titlePlaceholder?: string;
+  /** Override default embed description input placeholder. */
+  descriptionPlaceholder?: string;
 }
 
 export function DiscordEmbedBuilder({
@@ -81,7 +85,9 @@ export function DiscordEmbedBuilder({
   className,
   previewVars,
   showClearHint = true,
-  placeholderPreset = 'welcome'
+  placeholderPreset = 'welcome',
+  titlePlaceholder,
+  descriptionPlaceholder
 }: DiscordEmbedBuilderProps) {
   const t = useTranslations();
   const draft = value ?? emptyEmbed();
@@ -112,7 +118,7 @@ export function DiscordEmbedBuilder({
             id="embed-title"
             value={draft.title ?? ''}
             maxLength={256}
-            placeholder={t('embedBuilder.titlePlaceholder')}
+            placeholder={titlePlaceholder ?? t('embedBuilder.titlePlaceholder')}
             onChange={(event) => patch({ title: event.target.value })}
           />
         </div>
@@ -123,7 +129,7 @@ export function DiscordEmbedBuilder({
             rows={5}
             maxLength={4096}
             value={draft.description ?? ''}
-            placeholder={t('embedBuilder.descriptionPlaceholder')}
+            placeholder={descriptionPlaceholder ?? t('embedBuilder.descriptionPlaceholder')}
             onChange={(event) => patch({ description: event.target.value })}
           />
         </div>