feat(conversations): expose inbox assistant

internal/handler/api/v1/conversation_handler.go

@@ -783,6 +783,34 @@ func (h *ConversationHandler) ListAttachments(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"meta": gin.H{"total_count": total}, "payload": payload})
 }
 
+// InboxAssistant returns the Captain assistant connected to the conversation inbox.
+// GET /api/v1/accounts/:account_id/conversations/:conversation_id/inbox_assistant
+// Reference: Chatwoot enterprise conversations_controller#inbox_assistant.
+func (h *ConversationHandler) InboxAssistant(c *gin.Context) {
+	accountID, err := parseUintParam(c, "account_id")
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid account_id")
+		return
+	}
+
+	conversationID, err := parseUintParam(c, "conversation_id")
+	if err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, "invalid conversation_id")
+		return
+	}
+
+	assistant, svcErr := h.conversationSvc.GetInboxAssistant(c.Request.Context(), accountID, conversationID)
+	if svcErr != nil {
+		handleServiceError(c, svcErr)
+		return
+	}
+	if assistant == nil {
+		c.JSON(http.StatusOK, gin.H{"assistant": nil})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"assistant": gin.H{"id": assistant.ID, "name": assistant.Name}})
+}
+
 // ToggleTyping toggles the typing status for an agent in a conversation.
 // POST /api/v1/accounts/:account_id/conversations/:id/toggle_typing_status
 // Reference: Chatwoot conversations_controller#toggle_typing_status (member route)