Add translation on ChatSidebar

apps/app/public/static/locales/en_US/translation.json

@@ -494,6 +494,8 @@
     "selected_editable_revision": "Selected Page Body (Editable)"
   },
   "sidebar_aichat": {
+    "instruction_label": "Assistant instructions",
+    "reference_pages_label": "Reference pages",
     "placeholder": "Ask me anything.",
     "summary_mode_label": "Summary mode",
     "summary_mode_help": "Concise answer within 2-3 sentences",

apps/app/public/static/locales/fr_FR/translation.json

@@ -489,6 +489,8 @@
     "selected_editable_revision": "Corps de page sélectionné (Modifiable)"
   },
   "sidebar_aichat": {
+    "instruction_label": "Instructions pour l'assistant",
+    "reference_pages_label": "Pages de référence",
     "placeholder": "Demandez-moi n'importe quoi.",
     "summary_mode_label": "Mode résumé",
     "summary_mode_help": "Réponse concise en 2-3 phrases",

apps/app/public/static/locales/ja_JP/translation.json

@@ -527,6 +527,8 @@
     "selected_editable_revision": "保存するページ本文(編集可能)"
   },
   "sidebar_aichat": {
+    "instruction_label": "アシスタントへの指示",
+    "reference_pages_label": "参照するページ",
     "placeholder": "ききたいことを入力してください",
     "summary_mode_label": "要約モード",
     "summary_mode_help": "2～3文以内の簡潔な回答",

apps/app/public/static/locales/zh_CN/translation.json

@@ -484,6 +484,8 @@
     "selected_editable_revision": "选定的可编辑页面正文"
   },
   "sidebar_aichat": {
+    "instruction_label": "助手指令",
+    "reference_pages_label": "参考页面",
     "placeholder": "问我任何问题。",
     "summary_mode_label": "摘要模式",
     "summary_mode_help": "简洁回答在2-3句话内",

apps/app/src/features/openai/client/components/AiAssistant/AiAssistantChatSidebar/AiAssistantChatSidebar.tsx

@@ -280,7 +280,7 @@ const AiAssistantChatSidebarSubstance: React.FC<AiAssistantChatSidebarSubstanceP
                 </p>
 
                 <div>
-                  <p className="text-body-secondary">アシスタントへの指示</p>
+                  <p className="text-body-secondary">{t('sidebar_aichat.instruction_label')}</p>
                   <div className="card bg-body-tertiary border-0">
                     <div className="card-body p-3">
                       <p className="fs-6 text-body-secondary mb-0">
@@ -292,7 +292,7 @@ const AiAssistantChatSidebarSubstance: React.FC<AiAssistantChatSidebarSubstanceP
 
                 <div>
                   <div className="d-flex align-items-center">
-                    <p className="text-body-secondary mb-0">参照するページ</p>
+                    <p className="text-body-secondary mb-0">{t('sidebar_aichat.reference_pages_label')}</p>
                   </div>
                   <div className="d-flex flex-column gap-1">
                     { aiAssistantData.pagePathPatterns.map(pagePathPattern => (