feat(i18n): add error messages for agent and session operations

Add error messages for agent deletion, update, and session creation operations
Add "no response" error message for all supported languages

src/renderer/src/i18n/locales/en-us.json

@@ -2,7 +2,7 @@
   "agent": {
     "add": {
       "error": {
-        "failed": "Failed to add agent",
+        "failed": "Failed to add a agent",
         "invalid_agent": "Invalid Agent"
       },
       "title": "Add Agent",
@@ -13,18 +13,31 @@
     },
     "delete": {
       "content": "Deleting the agent will forcibly stop and delete all sessions associated with the agent. Are you sure?",
+      "error": {
+        "failed": "Failed to delete the agent"
+      },
       "title": "Delete Agent"
     },
     "edit": {
       "title": "Edit Agent"
     },
     "session": {
+      "create": {
+        "error": {
+          "failed": "Failed to add a session"
+        }
+      },
       "delete": {
         "content": "Are you sure to delete this session?",
         "title": "Delete session"
       },
       "label_one": "Session",
       "label_other": "Sessions"
+    },
+    "update": {
+      "error": {
+        "failed": "Failed to update the agent"
+      }
     }
   },
   "agents": {
@@ -928,6 +941,7 @@
     "modelType": "Model Type",
     "name": "Error name",
     "no_api_key": "API key is not configured",
+    "no_response": "No response",
     "originalError": "Original Error",
     "originalMessage": "Original Message",
     "parameter": "Parameter",

src/renderer/src/i18n/locales/zh-cn.json

@@ -13,18 +13,31 @@
     },
     "delete": {
       "content": "删除该 Agent 将强制终止并删除该 Agent 下的所有会话。您确定吗？",
+      "error": {
+        "failed": "删除 Agent 失败"
+      },
       "title": "删除 Agent"
     },
     "edit": {
       "title": "编辑 Agent"
     },
     "session": {
+      "create": {
+        "error": {
+          "failed": "添加会话失败"
+        }
+      },
       "delete": {
         "content": "确定要删除此会话吗？",
         "title": "删除会话"
       },
       "label_one": "会话",
       "label_other": "会话"
+    },
+    "update": {
+      "error": {
+        "failed": "更新 Agent 失败"
+      }
     }
   },
   "agents": {
@@ -928,6 +941,7 @@
     "modelType": "模型类型",
     "name": "错误名称",
     "no_api_key": "API 密钥未配置",
+    "no_response": "无响应",
     "originalError": "原错误",
     "originalMessage": "原消息",
     "parameter": "参数",

src/renderer/src/i18n/locales/zh-tw.json

@@ -13,18 +13,31 @@
     },
     "delete": {
       "content": "刪除該 Agent 將強制終止並刪除該 Agent 下的所有會話。您確定嗎？",
+      "error": {
+        "failed": "[to be translated]:Failed to delete the agent"
+      },
       "title": "刪除 Agent"
     },
     "edit": {
       "title": "編輯 Agent"
     },
     "session": {
+      "create": {
+        "error": {
+          "failed": "[to be translated]:Failed to add a session"
+        }
+      },
       "delete": {
         "content": "[to be translated]:Are you sure to delete this session?",
         "title": "[to be translated]:Delete session"
       },
       "label_one": "[to be translated]:Session",
       "label_other": "[to be translated]:Sessions"
+    },
+    "update": {
+      "error": {
+        "failed": "[to be translated]:Failed to update the agent"
+      }
     }
   },
   "agents": {
@@ -928,6 +941,7 @@
     "modelType": "模型類型",
     "name": "錯誤名稱",
     "no_api_key": "API 金鑰未設定",
+    "no_response": "[to be translated]:No response",
     "originalError": "原錯誤",
     "originalMessage": "原消息",
     "parameter": "參數",

src/renderer/src/i18n/translate/el-gr.json

@@ -13,18 +13,31 @@
     },
     "delete": {
       "content": "Η διαγραφή αυτού του Agent θα τερματίσει βίαια και θα διαγράψει όλες τις συνεδρίες υπό αυτόν τον Agent. Είστε σίγουροι;",
+      "error": {
+        "failed": "[to be translated]:Failed to delete the agent"
+      },
       "title": "Διαγραφή Agent"
     },
     "edit": {
       "title": "Επεξεργαστής Agent"
     },
     "session": {
+      "create": {
+        "error": {
+          "failed": "[to be translated]:Failed to add a session"
+        }
+      },
       "delete": {
         "content": "[to be translated]:Are you sure to delete this session?",
         "title": "[to be translated]:Delete session"
       },
       "label_one": "[to be translated]:Session",
       "label_other": "[to be translated]:Sessions"
+    },
+    "update": {
+      "error": {
+        "failed": "[to be translated]:Failed to update the agent"
+      }
     }
   },
   "agents": {
@@ -928,6 +941,7 @@
     "modelType": "Τύπος μοντέλου",
     "name": "Λάθος όνομα",
     "no_api_key": "Δεν έχετε ρυθμίσει το κλειδί API",
+    "no_response": "[to be translated]:No response",
     "originalError": "Αρχικό σφάλμα",
     "originalMessage": "Αρχικό μήνυμα",
     "parameter": "παράμετροι",

src/renderer/src/i18n/translate/es-es.json

@@ -13,18 +13,31 @@
     },
     "delete": {
       "content": "Eliminar este Agente forzará la terminación y eliminación de todas las sesiones bajo este Agente. ¿Está seguro?",
+      "error": {
+        "failed": "[to be translated]:Failed to delete the agent"
+      },
       "title": "Eliminar Agent"
     },
     "edit": {
       "title": "Agent de edición"
     },
     "session": {
+      "create": {
+        "error": {
+          "failed": "[to be translated]:Failed to add a session"
+        }
+      },
       "delete": {
         "content": "[to be translated]:Are you sure to delete this session?",
         "title": "[to be translated]:Delete session"
       },
       "label_one": "[to be translated]:Session",
       "label_other": "[to be translated]:Sessions"
+    },
+    "update": {
+      "error": {
+        "failed": "[to be translated]:Failed to update the agent"
+      }
     }
   },
   "agents": {
@@ -928,6 +941,7 @@
     "modelType": "Tipo de modelo",
     "name": "Nombre de error",
     "no_api_key": "La clave API no está configurada",
+    "no_response": "[to be translated]:No response",
     "originalError": "Error original",
     "originalMessage": "mensaje original",
     "parameter": "parámetro",

src/renderer/src/i18n/translate/fr-fr.json

@@ -13,18 +13,31 @@
     },
     "delete": {
       "content": "La suppression de cet Agent entraînera la terminaison forcée et la suppression de toutes les sessions associées. Êtes-vous certain ?",
+      "error": {
+        "failed": "[to be translated]:Failed to delete the agent"
+      },
       "title": "Supprimer l'Agent"
     },
     "edit": {
       "title": "Éditer Agent"
     },
     "session": {
+      "create": {
+        "error": {
+          "failed": "[to be translated]:Failed to add a session"
+        }
+      },
       "delete": {
         "content": "[to be translated]:Are you sure to delete this session?",
         "title": "[to be translated]:Delete session"
       },
       "label_one": "[to be translated]:Session",
       "label_other": "[to be translated]:Sessions"
+    },
+    "update": {
+      "error": {
+        "failed": "[to be translated]:Failed to update the agent"
+      }
     }
   },
   "agents": {
@@ -928,6 +941,7 @@
     "modelType": "Type de modèle",
     "name": "Nom d'erreur",
     "no_api_key": "La clé API n'est pas configurée",
+    "no_response": "[to be translated]:No response",
     "originalError": "Erreur d'origine",
     "originalMessage": "message original",
     "parameter": "paramètre",

src/renderer/src/i18n/translate/ja-jp.json

@@ -13,18 +13,31 @@
     },
     "delete": {
       "content": "このエージェントを削除すると、このエージェントのすべてのセッションが強制的に終了し、削除されます。本当によろしいですか？",
+      "error": {
+        "failed": "[to be translated]:Failed to delete the agent"
+      },
       "title": "エージェントを削除"
     },
     "edit": {
       "title": "編集エージェント"
     },
     "session": {
+      "create": {
+        "error": {
+          "failed": "[to be translated]:Failed to add a session"
+        }
+      },
       "delete": {
         "content": "[to be translated]:Are you sure to delete this session?",
         "title": "[to be translated]:Delete session"
       },
       "label_one": "[to be translated]:Session",
       "label_other": "[to be translated]:Sessions"
+    },
+    "update": {
+      "error": {
+        "failed": "[to be translated]:Failed to update the agent"
+      }
     }
   },
   "agents": {
@@ -928,6 +941,7 @@
     "modelType": "モデルの種類",
     "name": "エラー名",
     "no_api_key": "APIキーが設定されていません",
+    "no_response": "[to be translated]:No response",
     "originalError": "元のエラー",
     "originalMessage": "元のメッセージ",
     "parameter": "パラメータ",

src/renderer/src/i18n/translate/pt-pt.json

@@ -13,18 +13,31 @@
     },
     "delete": {
       "content": "Excluir este Agente forçará a terminação e exclusão de todas as sessões sob ele. Tem certeza?",
+      "error": {
+        "failed": "[to be translated]:Failed to delete the agent"
+      },
       "title": "删除代理"
     },
     "edit": {
       "title": "Agent Editor"
     },
     "session": {
+      "create": {
+        "error": {
+          "failed": "[to be translated]:Failed to add a session"
+        }
+      },
       "delete": {
         "content": "[to be translated]:Are you sure to delete this session?",
         "title": "[to be translated]:Delete session"
       },
       "label_one": "[to be translated]:Session",
       "label_other": "[to be translated]:Sessions"
+    },
+    "update": {
+      "error": {
+        "failed": "[to be translated]:Failed to update the agent"
+      }
     }
   },
   "agents": {
@@ -928,6 +941,7 @@
     "modelType": "Tipo de modelo",
     "name": "Nome do erro",
     "no_api_key": "A chave da API não foi configurada",
+    "no_response": "[to be translated]:No response",
     "originalError": "Erro original",
     "originalMessage": "Mensagem original",
     "parameter": "parâmetro",

src/renderer/src/i18n/translate/ru-ru.json

@@ -13,18 +13,31 @@
     },
     "delete": {
       "content": "Удаление этого агента приведёт к принудительному завершению и удалению всех сессий, связанных с ним. Вы уверены?",
+      "error": {
+        "failed": "[to be translated]:Failed to delete the agent"
+      },
       "title": "Удалить агента"
     },
     "edit": {
       "title": "Редактировать агент"
     },
     "session": {
+      "create": {
+        "error": {
+          "failed": "[to be translated]:Failed to add a session"
+        }
+      },
       "delete": {
         "content": "[to be translated]:Are you sure to delete this session?",
         "title": "[to be translated]:Delete session"
       },
       "label_one": "[to be translated]:Session",
       "label_other": "[to be translated]:Sessions"
+    },
+    "update": {
+      "error": {
+        "failed": "[to be translated]:Failed to update the agent"
+      }
     }
   },
   "agents": {
@@ -928,6 +941,7 @@
     "modelType": "Тип модели",
     "name": "Название ошибки",
     "no_api_key": "Ключ API не настроен",
+    "no_response": "[to be translated]:No response",
     "originalError": "Исходная ошибка",
     "originalMessage": "исходное сообщение",
     "parameter": "параметр",