feat(shangwutong): sync classifications and update conversations

frontend/app/javascript/dashboard/i18n/locale/en/conversation.json

@@ -403,6 +403,20 @@
     "ASSIGNEE_LABEL": "Assigned Agent",
     "SELF_ASSIGN": "Assign to me",
     "TEAM_LABEL": "Assigned Team",
+    "SHANGWUTONG_CLASSIFICATIONS": {
+      "TITLE": "Shangwutong classifications",
+      "CONVERSATION_KIND": "Conversation classification",
+      "CUSTOMER_COLOR": "Customer classification",
+      "SELECT": "Select",
+      "NOT_SYNCED": "Sync Shangwutong classifications in inbox settings first",
+      "SYNC_PENDING": "Shangwutong classification sync is processing",
+      "SYNC_FAILED": "Shangwutong classification sync failed",
+      "LOAD_ERROR": "Failed to load Shangwutong classifications",
+      "UPDATE_QUEUED": "Shangwutong classification update queued",
+      "UPDATE_CONFIRMED": "Shangwutong classification updated",
+      "UPDATE_PENDING": "Shangwutong classification is still processing",
+      "UPDATE_ERROR": "Failed to update Shangwutong classification"
+    },
     "SELECT": {
       "PLACEHOLDER": "None"
     },

frontend/app/javascript/dashboard/i18n/locale/en/inboxMgmt.json

@@ -1225,6 +1225,15 @@
       },
       "PASSWORD": "Replace password",
       "PASSWORD_HELP": "Leave blank to keep the current password. A new password is verified online before replacing the working credential.",
+      "CLASSIFICATIONS": "Shangwutong classifications",
+      "CLASSIFICATIONS_HELP": "Sync classification definitions from Shangwutong. GoChat does not predefine or edit them.",
+      "SYNC_CLASSIFICATIONS": "Sync Shangwutong classifications",
+      "CLASSIFICATION_SYNCED": "Synced: {conversation} conversation kinds, {customer} customer kinds",
+      "CLASSIFICATION_SYNC_PENDING": "Classification sync is processing",
+      "CLASSIFICATION_NOT_SYNCED": "Not synced yet",
+      "CLASSIFICATION_LOAD_ERROR": "Failed to load Shangwutong classifications",
+      "CLASSIFICATION_SYNC_QUEUED": "Shangwutong classification sync queued",
+      "CLASSIFICATION_SYNC_ERROR": "Shangwutong classification sync failed",
       "WEBHOOK_URL": "Connector webhook URL",
       "WEBHOOK_URL_HELP": "All enabled Shangwutong inboxes must use the same Connector URL."
     },

frontend/app/javascript/dashboard/i18n/locale/zh_CN/conversation.json

@@ -403,6 +403,20 @@
     "ASSIGNEE_LABEL": "已分配的客服代表",
     "SELF_ASSIGN": "分配给我",
     "TEAM_LABEL": "已分配的团队",
+    "SHANGWUTONG_CLASSIFICATIONS": {
+      "TITLE": "商务通分类",
+      "CONVERSATION_KIND": "对话分类",
+      "CUSTOMER_COLOR": "客户分类",
+      "SELECT": "请选择",
+      "NOT_SYNCED": "请先在收件箱设置中同步商务通分类",
+      "SYNC_PENDING": "商务通分类同步中",
+      "SYNC_FAILED": "商务通分类同步失败",
+      "LOAD_ERROR": "商务通分类加载失败",
+      "UPDATE_QUEUED": "商务通分类修改已提交",
+      "UPDATE_CONFIRMED": "商务通分类修改成功",
+      "UPDATE_PENDING": "商务通分类仍在处理中",
+      "UPDATE_ERROR": "商务通分类修改失败"
+    },
     "SELECT": {
       "PLACEHOLDER": "啥都没有"
     },

frontend/app/javascript/dashboard/i18n/locale/zh_CN/inboxMgmt.json

@@ -1225,6 +1225,15 @@
       },
       "PASSWORD": "修改密码",
       "PASSWORD_HELP": "留空表示保持原密码。新密码在线验证成功后才替换当前可用凭据。",
+      "CLASSIFICATIONS": "商务通分类",
+      "CLASSIFICATIONS_HELP": "从商务通账号同步分类定义。GoChat 不预设或编辑商务通分类。",
+      "SYNC_CLASSIFICATIONS": "同步商务通分类",
+      "CLASSIFICATION_SYNCED": "已同步：对话分类 {conversation} 个，客户分类 {customer} 个",
+      "CLASSIFICATION_SYNC_PENDING": "同步任务处理中",
+      "CLASSIFICATION_NOT_SYNCED": "尚未同步",
+      "CLASSIFICATION_LOAD_ERROR": "商务通分类加载失败",
+      "CLASSIFICATION_SYNC_QUEUED": "商务通分类同步任务已提交",
+      "CLASSIFICATION_SYNC_ERROR": "商务通分类同步失败",
       "WEBHOOK_URL": "连接器 Webhook 地址",
       "WEBHOOK_URL_HELP": "所有启用的商务通收件箱必须使用同一个连接器地址。"
     },