feat(i18n): migrate hardcoded German strings to t() across 104 components/pages — AST-based batch with re-parse gate, 423 new de.json keys; tsc clean; vitest failures byte-identical to clean-tree baseline (pre-existing)

frontend/src/pages/AutomationDashboard.tsx

@@ -215,7 +215,7 @@ function AutomationForm({
             onChange={(e) => updateField('name', e.target.value)}
             required
             className="w-full rounded-lg border border-secondary-300 px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-primary-500"
-            placeholder="My Automation"
+            placeholder={t('automationDashboard.myautomation')}
           />
         </div>
         <div>
@@ -227,7 +227,7 @@ function AutomationForm({
             onChange={(e) => updateField('description', e.target.value)}
             rows={2}
             className="w-full rounded-lg border border-secondary-300 px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-primary-500"
-            placeholder="Optional description"
+            placeholder={t('automationDashboard.optionaldescription')}
           />
         </div>
       </div>
@@ -255,7 +255,7 @@ function AutomationForm({
             value={form.trigger_config.event_name || ''}
             onChange={(e) => updateField('trigger_config', { ...form.trigger_config, event_name: e.target.value })}
             className="w-full rounded-lg border border-secondary-300 px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-primary-500"
-            placeholder="contact.created"
+            placeholder={t('automationDashboard.contactcreated')}
           />
         </div>
       )}
@@ -271,7 +271,7 @@ function AutomationForm({
             className="w-full rounded-lg border border-secondary-300 px-3 py-2 text-sm focus:outline-none focus:ring-2 focus:ring-primary-500"
             placeholder="0 9 * * *"
           />
-          <p className="text-xs text-secondary-400 mt-1">Cron expression (e.g. 0 9 * * * for daily at 9am)</p>
+          <p className="text-xs text-secondary-400 mt-1">{t('automationDashboard.cronexpressioneg09')}</p>
         </div>
       )}
 
@@ -294,7 +294,7 @@ function AutomationForm({
               type="text"
               value={cond.field}
               onChange={(e) => updateCondition(i, 'field', e.target.value)}
-              placeholder="Field"
+              placeholder={t('automationDashboard.field')}
               className="flex-1 rounded-lg border border-secondary-300 px-3 py-1.5 text-sm focus:outline-none focus:ring-2 focus:ring-primary-500"
             />
             <Select
@@ -307,14 +307,14 @@ function AutomationForm({
               type="text"
               value={cond.value}
               onChange={(e) => updateCondition(i, 'value', e.target.value)}
-              placeholder="Value"
+              placeholder={t('automationDashboard.value')}
               className="flex-1 rounded-lg border border-secondary-300 px-3 py-1.5 text-sm focus:outline-none focus:ring-2 focus:ring-primary-500"
             />
             <button
               type="button"
               onClick={() => removeCondition(i)}
               className="text-danger-500 hover:text-danger-700 p-1"
-              aria-label="Remove condition"
+              aria-label={t('automationDashboard.removecondition')}
             >
               <XCircle className="h-4 w-4" />
             </button>
@@ -353,14 +353,14 @@ function AutomationForm({
                   // ignore invalid JSON while typing
                 }
               }}
-              placeholder='{"url": "..."}'
+              placeholder={t('automationDashboard.url')}
               className="flex-1 rounded-lg border border-secondary-300 px-3 py-1.5 text-sm font-mono focus:outline-none focus:ring-2 focus:ring-primary-500"
             />
             <button
               type="button"
               onClick={() => removeAction(i)}
               className="text-danger-500 hover:text-danger-700 p-1"
-              aria-label="Remove action"
+              aria-label={t('automationDashboard.removeaction')}
             >
               <XCircle className="h-4 w-4" />
             </button>