diff --git a/frontend/src/components/dashboard/ActionQueueCard.tsx b/frontend/src/components/dashboard/ActionQueueCard.tsx
index 0298ebc0..25d56ae9 100644
--- a/frontend/src/components/dashboard/ActionQueueCard.tsx
+++ b/frontend/src/components/dashboard/ActionQueueCard.tsx
@@ -67,6 +67,30 @@ const urgencyConfig = {
   },
 };
 
+/**
+ * Helper function to translate keys with proper namespace handling
+ * Maps backend key formats to correct i18next namespaces
+ */
+function translateKey(
+  key: string,
+  params: Record<string, any>,
+  tDashboard: any,
+  tReasoning: any
+): string {
+  // Determine namespace based on key prefix
+  if (key.startsWith('reasoning.')) {
+    // Remove 'reasoning.' prefix and use reasoning namespace
+    const translationKey = key.substring('reasoning.'.length);
+    return tReasoning(translationKey, { ...params, defaultValue: key });
+  } else if (key.startsWith('action_queue.') || key.startsWith('dashboard.') || key.startsWith('health.')) {
+    // Use dashboard namespace
+    return tDashboard(key, { ...params, defaultValue: key });
+  }
+
+  // Default to dashboard
+  return tDashboard(key, { ...params, defaultValue: key });
+}
+
 function ActionItemCard({
   action,
   onApprove,
@@ -102,25 +126,25 @@ function ActionItemCard({
   // Translate i18n fields (or fallback to deprecated text fields or reasoning_data for alerts)
   const reasoning = useMemo(() => {
     if (action.reasoning_i18n) {
-      return tDashboard(action.reasoning_i18n.key, action.reasoning_i18n.params);
+      return translateKey(action.reasoning_i18n.key, action.reasoning_i18n.params, tDashboard, tReasoning);
     }
     if (action.reasoning_data) {
       const formatted = formatPOAction(action.reasoning_data);
       return formatted.reasoning;
     }
     return action.reasoning || '';
-  }, [action.reasoning_i18n, action.reasoning_data, action.reasoning, tDashboard, formatPOAction]);
+  }, [action.reasoning_i18n, action.reasoning_data, action.reasoning, tDashboard, tReasoning, formatPOAction]);
 
   const consequence = useMemo(() => {
     if (action.consequence_i18n) {
-      return tDashboard(action.consequence_i18n.key, action.consequence_i18n.params);
+      return translateKey(action.consequence_i18n.key, action.consequence_i18n.params, tDashboard, tReasoning);
     }
     if (action.reasoning_data) {
       const formatted = formatPOAction(action.reasoning_data);
       return formatted.consequence;
     }
     return '';
-  }, [action.consequence_i18n, action.reasoning_data, tDashboard, formatPOAction]);
+  }, [action.consequence_i18n, action.reasoning_data, tDashboard, tReasoning, formatPOAction]);
 
   return (
     <div
@@ -136,7 +160,7 @@ function ActionItemCard({
         <div className="flex-1 min-w-0">
           <div className="flex items-start justify-between gap-2 mb-1">
             <h3 className="font-bold text-lg" style={{ color: 'var(--text-primary)' }}>
-              {action.title_i18n ? tDashboard(action.title_i18n.key, action.title_i18n.params) : (action.title || 'Action Required')}
+              {action.title_i18n ? translateKey(action.title_i18n.key, action.title_i18n.params, tDashboard, tReasoning) : (action.title || 'Action Required')}
             </h3>
             <span
               className="px-2 py-1 rounded text-xs font-semibold uppercase flex-shrink-0"
@@ -149,7 +173,7 @@ function ActionItemCard({
             </span>
           </div>
           <p className="text-sm" style={{ color: 'var(--text-secondary)' }}>
-            {action.subtitle_i18n ? tDashboard(action.subtitle_i18n.key, action.subtitle_i18n.params) : (action.subtitle || '')}
+            {action.subtitle_i18n ? translateKey(action.subtitle_i18n.key, action.subtitle_i18n.params, tDashboard, tReasoning) : (action.subtitle || '')}
           </p>
         </div>
       </div>
@@ -493,7 +517,7 @@ function ActionItemCard({
               {button.action === 'reject' && <X className="w-4 h-4" />}
               {button.action === 'view_details' && <Eye className="w-4 h-4" />}
               {button.action === 'modify' && <Edit className="w-4 h-4" />}
-              {tDashboard(button.label_i18n.key, button.label_i18n.params)}
+              {translateKey(button.label_i18n.key, button.label_i18n.params, tDashboard, tReasoning)}
             </button>
           );
         })}
diff --git a/frontend/src/components/dashboard/HealthStatusCard.tsx b/frontend/src/components/dashboard/HealthStatusCard.tsx
index 5f89995d..a8ea5d37 100644
--- a/frontend/src/components/dashboard/HealthStatusCard.tsx
+++ b/frontend/src/components/dashboard/HealthStatusCard.tsx
@@ -50,8 +50,46 @@ const iconMap = {
   alert: AlertCircle,
 };
 
+/**
+ * Helper function to translate keys with proper namespace handling
+ * Maps backend key formats to correct i18next namespaces
+ */
+function translateKey(
+  key: string,
+  params: Record<string, any>,
+  t: any
+): string {
+  // Map key prefixes to their correct namespaces
+  const namespaceMap: Record<string, string> = {
+    'health.': 'dashboard',
+    'dashboard.': 'dashboard',
+    'reasoning.': 'reasoning',
+    'production.': 'production',
+    'jtbd.': 'reasoning',
+  };
+
+  // Find the matching namespace
+  let namespace = 'common';
+  let translationKey = key;
+
+  for (const [prefix, ns] of Object.entries(namespaceMap)) {
+    if (key.startsWith(prefix)) {
+      namespace = ns;
+      // Remove the first segment if it matches the namespace
+      // e.g., "health.headline_yellow" stays as is for dashboard:health.headline_yellow
+      // e.g., "reasoning.types.xyz" -> keep as "types.xyz" for reasoning:types.xyz
+      if (prefix === 'reasoning.') {
+        translationKey = key.substring(prefix.length);
+      }
+      break;
+    }
+  }
+
+  return t(translationKey, { ...params, ns: namespace, defaultValue: key });
+}
+
 export function HealthStatusCard({ healthStatus, loading }: HealthStatusCardProps) {
-  const { t, i18n } = useTranslation('reasoning');
+  const { t, i18n } = useTranslation(['dashboard', 'reasoning', 'production']);
 
   // Get date-fns locale based on current language
   const dateLocale = i18n.language === 'es' ? es : i18n.language === 'eu' ? eu : enUS;
@@ -85,21 +123,21 @@ export function HealthStatusCard({ healthStatus, loading }: HealthStatusCardProp
         <div className="flex-1 min-w-0">
           <h2 className="text-xl md:text-2xl font-bold mb-2" style={{ color: config.textColor }}>
             {typeof healthStatus.headline === 'object' && healthStatus.headline?.key
-              ? t(healthStatus.headline.key, healthStatus.headline.params || {})
-              : healthStatus.headline || t(`jtbd.health_status.${status}`)}
+              ? translateKey(healthStatus.headline.key, healthStatus.headline.params || {}, t)
+              : healthStatus.headline || t(`jtbd.health_status.${status}`, { ns: 'reasoning' })}
           </h2>
 
           {/* Last Update */}
           <div className="flex items-center gap-2 text-sm" style={{ color: 'var(--text-secondary)' }}>
             <Clock className="w-4 h-4" />
             <span>
-              {t('jtbd.health_status.last_updated')}:{' '}
+              {t('jtbd.health_status.last_updated', { ns: 'reasoning' })}:{' '}
               {healthStatus.lastOrchestrationRun
                 ? formatDistanceToNow(new Date(healthStatus.lastOrchestrationRun), {
                     addSuffix: true,
                     locale: dateLocale,
                   })
-                : t('jtbd.health_status.never')}
+                : t('jtbd.health_status.never', { ns: 'reasoning' })}
             </span>
           </div>
 
@@ -108,7 +146,7 @@ export function HealthStatusCard({ healthStatus, loading }: HealthStatusCardProp
             <div className="flex items-center gap-2 text-sm mt-1" style={{ color: 'var(--text-secondary)' }}>
               <RefreshCw className="w-4 h-4" />
               <span>
-                {t('jtbd.health_status.next_check')}:{' '}
+                {t('jtbd.health_status.next_check', { ns: 'reasoning' })}:{' '}
                 {formatDistanceToNow(new Date(healthStatus.nextScheduledRun), { addSuffix: true, locale: dateLocale })}
               </span>
             </div>
@@ -126,7 +164,7 @@ export function HealthStatusCard({ healthStatus, loading }: HealthStatusCardProp
 
           // Translate using textKey if available, otherwise use text
           const displayText = item.textKey
-            ? t(item.textKey.replace('.', ':'), item.textParams || {})
+            ? translateKey(item.textKey, item.textParams || {}, t)
             : item.text || '';
 
           return (
@@ -156,7 +194,7 @@ export function HealthStatusCard({ healthStatus, loading }: HealthStatusCardProp
               <div className="flex items-center gap-2">
                 <AlertCircle className="w-4 h-4" style={{ color: 'var(--color-error-600)' }} />
                 <span className="font-semibold" style={{ color: 'var(--color-error-800)' }}>
-                  {t('jtbd.health_status.critical_issues', { count: healthStatus.criticalIssues })}
+                  {t('jtbd.health_status.critical_issues', { count: healthStatus.criticalIssues, ns: 'reasoning' })}
                 </span>
               </div>
             )}
@@ -164,7 +202,7 @@ export function HealthStatusCard({ healthStatus, loading }: HealthStatusCardProp
               <div className="flex items-center gap-2">
                 <AlertTriangle className="w-4 h-4" style={{ color: 'var(--color-warning-600)' }} />
                 <span className="font-semibold" style={{ color: 'var(--color-warning-800)' }}>
-                  {t('jtbd.health_status.actions_needed', { count: healthStatus.pendingActions })}
+                  {t('jtbd.health_status.actions_needed', { count: healthStatus.pendingActions, ns: 'reasoning' })}
                 </span>
               </div>
             )}
diff --git a/frontend/src/components/dashboard/ProductionTimelineCard.tsx b/frontend/src/components/dashboard/ProductionTimelineCard.tsx
index de41e6a2..f2779c59 100644
--- a/frontend/src/components/dashboard/ProductionTimelineCard.tsx
+++ b/frontend/src/components/dashboard/ProductionTimelineCard.tsx
@@ -38,7 +38,7 @@ function TimelineItemCard({
 }) {
   const priorityColor = priorityColors[item.priority as keyof typeof priorityColors] || 'var(--text-tertiary)';
   const { formatBatchAction } = useReasoningFormatter();
-  const { t } = useTranslation(['reasoning', 'dashboard']);
+  const { t } = useTranslation(['reasoning', 'dashboard', 'production']);
 
   // Translate reasoning_data (or use new reasoning_i18n or fallback to deprecated text field)
   // Memoize to prevent undefined values from being created on each render
@@ -102,7 +102,13 @@ function TimelineItemCard({
         <div className="mb-3">
           <div className="flex items-center justify-between mb-1">
             <span className="text-sm font-medium" style={{ color: 'var(--text-primary)' }}>
-              {item.status_i18n ? t(item.status_i18n.key, item.status_i18n.params) : item.statusText || 'Status'}
+              {item.status_i18n
+                ? t(item.status_i18n.key, {
+                    ...item.status_i18n.params,
+                    ns: item.status_i18n.key.startsWith('production.') ? 'production' : 'reasoning',
+                    defaultValue: item.statusText || 'Status'
+                  })
+                : item.statusText || 'Status'}
             </span>
             {item.status === 'IN_PROGRESS' && (
               <span className="text-sm" style={{ color: 'var(--text-secondary)' }}>{item.progress || 0}%</span>