diff --git a/workspaces/lightspeed/.changeset/cold-lies-jam.md b/workspaces/lightspeed/.changeset/cold-lies-jam.md
new file mode 100644
index 0000000000..9f4b20429d
--- /dev/null
+++ b/workspaces/lightspeed/.changeset/cold-lies-jam.md
@@ -0,0 +1,5 @@
+---
+'@red-hat-developer-hub/backstage-plugin-lightspeed': patch
+---
+
+Added missing display mode translations (`settings.displayMode.*`) for Japanese (ja) and Italian (it) locales.
diff --git a/workspaces/lightspeed/plugins/lightspeed/src/translations/it.ts b/workspaces/lightspeed/plugins/lightspeed/src/translations/it.ts
index 0e635244a3..f361f5c761 100644
--- a/workspaces/lightspeed/plugins/lightspeed/src/translations/it.ts
+++ b/workspaces/lightspeed/plugins/lightspeed/src/translations/it.ts
@@ -187,6 +187,11 @@ const lightspeedTranslationIt = createTranslationMessages({
       'Le chat bloccate sono attualmente abilitate',
     'settings.pinned.disabled.description':
       'Le chat bloccate sono attualmente disabilitate',
+    // Display modes
+    'settings.displayMode.label': 'Modalità di visualizzazione',
+    'settings.displayMode.overlay': 'Sovrapposizione',
+    'settings.displayMode.docked': 'Aggancia alla finestra',
+    'settings.displayMode.fullscreen': 'Schermo intero',
 
     // Tool calling
     'toolCall.header': 'Risposta dello strumento: {{toolName}}',
diff --git a/workspaces/lightspeed/plugins/lightspeed/src/translations/ja.ts b/workspaces/lightspeed/plugins/lightspeed/src/translations/ja.ts
index 3f8b2f2932..53767855d5 100644
--- a/workspaces/lightspeed/plugins/lightspeed/src/translations/ja.ts
+++ b/workspaces/lightspeed/plugins/lightspeed/src/translations/ja.ts
@@ -181,6 +181,11 @@ const lightspeedTranslationJa = createTranslationMessages({
     'settings.pinned.disable': 'チャットの固定の無効化',
     'settings.pinned.enabled.description': 'チャットの固定は現在有効です',
     'settings.pinned.disabled.description': 'チャットの固定は現在無効です',
+    // Display modes
+    'settings.displayMode.label': '表示モード',
+    'settings.displayMode.overlay': 'オーバーレイ',
+    'settings.displayMode.docked': 'ウィンドウにドッキング',
+    'settings.displayMode.fullscreen': 'フルスクリーン',
 
     // Tool calling
     'toolCall.header': 'ツールの応答: {{toolName}}',