feat(reports): align conversation agent metrics

internal/handler/api/v1/analytics_handler.go

@@ -416,11 +416,17 @@ func (h *AnalyticsHandler) Conversations(c *gin.Context) {
 	reportType := c.Query("type")
 	if reportType == "" {
 		// Reference: Chatwoot returns head :unprocessable_entity if type is blank
-		response.AbortWithStatusError(c, http.StatusUnprocessableEntity, response.ErrBadRequest, "type parameter is required")
+		c.Status(http.StatusUnprocessableEntity)
 		return
 	}
+	page := 1
+	if rawPage := c.Query("page"); rawPage != "" {
+		if parsed, err := strconv.Atoi(rawPage); err == nil && parsed > 0 {
+			page = parsed
+		}
+	}
 
-	result, err := h.svc.GetConversationsByType(c.Request.Context(), accountID, reportType, time.Time{}, time.Time{})
+	result, err := h.svc.GetConversationsByType(c.Request.Context(), accountID, reportType, page)
 	if err != nil {
 		applogger.L().Errorf("Conversations report: %v", err)
 		response.AbortWithStatusError(c, http.StatusInternalServerError, response.ErrInternal, "failed to generate conversations report")