Fix: Fix SQL GROUP BY error in daily/hourly summary aggregation - Use COALESCE in GROUP BY to handle NULL tariff amounts - Remove invalid is_active check on tariffs table

src/Modules/Retribusi/Summary/DailySummaryService.php

@@ -58,7 +58,7 @@ class DailySummaryService
                     e.location_code,
                     e.gate_code,
                     e.category,
-                    t.amount
+                    COALESCE(t.amount, 0)
             ";
 
             $stmt = $this->db->prepare($sql);

src/Modules/Retribusi/Summary/HourlySummaryService.php

@@ -54,7 +54,6 @@ class HourlySummaryService
                 LEFT JOIN tariffs t ON e.location_code = t.location_code
                     AND e.gate_code = t.gate_code
                     AND e.category = t.category
-                    AND t.is_active = 1
                 WHERE DATE(e.event_time) = ?
                 GROUP BY 
                     DATE(e.event_time),
@@ -62,7 +61,7 @@ class HourlySummaryService
                     e.location_code,
                     e.gate_code,
                     e.category,
-                    t.amount
+                    COALESCE(t.amount, 0)
             ";
 
             $stmt = $this->db->prepare($sql);