diff --git a/frontend/src/lib/models/DashboardDetailModel.svelte.ts b/frontend/src/lib/models/DashboardDetailModel.svelte.ts
index a849e524..96fa27ef 100644
--- a/frontend/src/lib/models/DashboardDetailModel.svelte.ts
+++ b/frontend/src/lib/models/DashboardDetailModel.svelte.ts
@@ -26,7 +26,7 @@ import { log } from '$lib/cot-logger';
 import { GitStatusModel } from '$lib/models/GitStatusModel.svelte.ts';
 import { addToast } from '$lib/toasts.svelte.js';
 import { openDrawerForTaskIfPreferred } from '$lib/stores/taskDrawer.svelte.js';
-import { t } from '$lib/i18n/index.svelte.js';
+import { getT } from '$lib/i18n/index.svelte.js';
 
 // ── Types ───────────────────────────────────────────────────────
 
@@ -129,7 +129,7 @@ export class DashboardDetailModel {
 
   async loadDashboardDetail(): Promise<void> {
     if (!this.dashboardRef || !this.envId) {
-      this.error = $t.dashboard?.missing_context;
+      this.error = getT()?.dashboard?.missing_context;
       this.screenState = 'error';
       return;
     }
@@ -142,7 +142,7 @@ export class DashboardDetailModel {
       this.screenState = 'loaded';
       log('DashboardDetailModel', 'REFLECT', 'Dashboard detail loaded', { id: this.dashboard?.id, title: this.dashboard?.title });
     } catch (err: unknown) {
-      this.error = err instanceof Error ? err.message : String($t.dashboard?.load_detail_failed);
+      this.error = err instanceof Error ? err.message : String(getT()?.dashboard?.load_detail_failed);
       this.screenState = 'error';
       log('DashboardDetailModel', 'EXPLORE', 'Failed to load dashboard', { ref: this.dashboardRef }, String(this.error));
     }
@@ -175,9 +175,9 @@ export class DashboardDetailModel {
       this.thumbnailUrl = URL.createObjectURL(blob);
     } catch (err: unknown) {
       if ((err as { status?: number })?.status === 202) {
-        this.thumbnailError = $t.dashboard?.thumbnail_generating || 'Thumbnail is being generated';
+        this.thumbnailError = getT()?.dashboard?.thumbnail_generating || 'Thumbnail is being generated';
       } else {
-        this.thumbnailError = err instanceof Error ? err.message : String($t.dashboard?.thumbnail_failed);
+        this.thumbnailError = err instanceof Error ? err.message : String(getT()?.dashboard?.thumbnail_failed);
       }
     } finally {
       this.isThumbnailLoading = false;
@@ -217,11 +217,11 @@ export class DashboardDetailModel {
       const taskId = response?.task_id;
       if (taskId) {
         openDrawerForTaskIfPreferred(taskId);
-        addToast($t.dashboard?.backup_started || 'Backup task started', 'success');
+        addToast(getT()?.dashboard?.backup_started || 'Backup task started', 'success');
       }
       await this.loadTaskHistory();
     } catch (err: unknown) {
-      addToast(err instanceof Error ? err.message : $t.dashboard?.backup_task_failed || 'Failed to start backup', 'error');
+      addToast(err instanceof Error ? err.message : (getT()?.dashboard?.backup_task_failed || 'Failed to start backup'), 'error');
     } finally {
       this.isStartingBackup = false;
     }
@@ -267,8 +267,8 @@ export class DashboardDetailModel {
   // ── Static utilities ──────────────────────────────────────────
 
   static toTaskTypeLabel(pluginId: string | undefined): string {
-    if (pluginId === 'superset-backup') return $t.dashboard?.backup || 'Backup';
-    if (pluginId === 'llm_dashboard_validation') return $t.dashboard?.llm_check || 'LLM Check';
+    if (pluginId === 'superset-backup') return getT()?.dashboard?.backup || 'Backup';
+    if (pluginId === 'llm_dashboard_validation') return getT()?.dashboard?.llm_check || 'LLM Check';
     return pluginId || '-';
   }
 
diff --git a/frontend/src/lib/models/TranslateHistoryModel.svelte.ts b/frontend/src/lib/models/TranslateHistoryModel.svelte.ts
index b248218d..fe97e458 100644
--- a/frontend/src/lib/models/TranslateHistoryModel.svelte.ts
+++ b/frontend/src/lib/models/TranslateHistoryModel.svelte.ts
@@ -10,7 +10,7 @@
 
 import { log } from '$lib/cot-logger';
 import { addToast } from '$lib/toasts.svelte.js';
-import { t, _ } from '$lib/i18n/index.svelte.js';
+import { _, getT } from '$lib/i18n/index.svelte.js';
 import { fetchAllRuns, fetchRunDetail, fetchAllMetrics, fetchJobs, downloadSkippedCsv, downloadFailedCsv, cancelRun, retryFailedBatches } from '$lib/api/translate.js';
 
 type UxState = 'idle' | 'loading' | 'empty' | 'populated' | 'detail_open' | 'pruned';
@@ -103,11 +103,11 @@ export class TranslateHistoryModel {
     this.cancellingRunId = runId;
     try {
       await cancelRun(runId);
-      addToast($t.translate?.run?.run_cancelled || 'Run cancelled', 'success');
+      addToast(getT()?.translate?.run?.run_cancelled || 'Run cancelled', 'success');
       if (this.selectedRunDetail?.id === runId) this.selectedRunDetail = await fetchRunDetail(runId);
       this.loadRuns();
     } catch (err: unknown) {
-      addToast(err instanceof Error ? err.message : $t.translate?.run?.cancel_failed || 'Failed to cancel run', 'error');
+      addToast(err instanceof Error ? err.message : (getT()?.translate?.run?.cancel_failed || 'Failed to cancel run'), 'error');
     } finally { this.cancellingRunId = null; }
   }
 
@@ -115,11 +115,11 @@ export class TranslateHistoryModel {
     this.retryingRunId = runId;
     try {
       await retryFailedBatches(runId);
-      addToast($t.translate?.run?.retry_success || 'Retry started', 'success');
+      addToast(getT()?.translate?.run?.retry_success || 'Retry started', 'success');
       if (this.selectedRunDetail?.id === runId) this.selectedRunDetail = await fetchRunDetail(runId);
       this.loadRuns();
     } catch (err: unknown) {
-      addToast(err instanceof Error ? err.message : $t.translate?.run?.retry_failed_msg || 'Retry failed', 'error');
+      addToast(err instanceof Error ? err.message : (getT()?.translate?.run?.retry_failed_msg || 'Retry failed'), 'error');
     } finally { this.retryingRunId = null; }
   }
 
diff --git a/frontend/src/lib/models/ValidationTasksListModel.svelte.ts b/frontend/src/lib/models/ValidationTasksListModel.svelte.ts
index 8c63e0f4..c6905c3c 100644
--- a/frontend/src/lib/models/ValidationTasksListModel.svelte.ts
+++ b/frontend/src/lib/models/ValidationTasksListModel.svelte.ts
@@ -22,7 +22,7 @@ import { ROUTES } from '$lib/routes';
 import { api } from '$lib/api.js';
 import { log } from '$lib/cot-logger';
 import { addToast } from '$lib/toasts.svelte.js';
-import { t } from '$lib/i18n/index.svelte.js';
+import { getT } from '$lib/i18n/index.svelte.js';
 
 // ── Types ───────────────────────────────────────────────────────
 
@@ -124,7 +124,7 @@ export class ValidationTasksListModel {
     try {
       await api.triggerValidationRun(id);
       if (!this.isMounted) return;
-      addToast($t.validation?.run_started || 'Validation task started', 'success');
+      addToast(getT()?.validation?.run_started || 'Validation task started', 'success');
       log('ValidationTasksListModel', 'REFLECT', 'Run triggered', { taskId: id });
     } catch (e: unknown) {
       if (!this.isMounted) return;
@@ -140,7 +140,7 @@ export class ValidationTasksListModel {
     try {
       await api.deleteValidationTask(id);
       if (!this.isMounted) return;
-      addToast($t.validation?.delete_success || 'Task deleted', 'success');
+      addToast(getT()?.validation?.delete_success || 'Task deleted', 'success');
       this.deleteConfirmId = null;
       this.tasks = this.tasks.filter(t => t.id !== id);
       this.total = Math.max(0, this.total - 1);