feat(conversations): align meta counts

internal/handler/api/v1/conversation_handler.go

@@ -635,13 +635,25 @@ func (h *ConversationHandler) Meta(c *gin.Context) {
 		return
 	}
 
-	meta, svcErr := h.conversationSvc.GetMeta(c.Request.Context(), accountID)
+	var params service.FilterParams
+	if err := c.ShouldBindQuery(&params); err != nil {
+		response.AbortWithStatusError(c, http.StatusBadRequest, response.ErrBadRequest, err.Error())
+		return
+	}
+	if params.Labels == "" {
+		labels := append(c.QueryArray("labels"), c.QueryArray("labels[]")...)
+		if len(labels) > 0 {
+			params.Labels = strings.Join(labels, ",")
+		}
+	}
+
+	meta, svcErr := h.conversationSvc.GetMeta(c.Request.Context(), accountID, currentUserID(c), params)
 	if svcErr != nil {
 		handleServiceError(c, svcErr)
 		return
 	}
 
-	response.OK(c, meta)
+	c.JSON(http.StatusOK, gin.H{"meta": meta})
 }
 
 // Unread marks a conversation as unread by resetting agent_last_seen_at.