feat: add gamification endpoints for driver behavior

ride/gamification/getWeeklyAggregate.php

@@ -0,0 +1,32 @@
+<?php
+require_once __DIR__ . '/../../connect.php';
+
+$driver_id = filterRequest("driver_id");
+
+$sql = "
+    SELECT 
+        DATE(r.created_at) as day,
+        COUNT(r.id) as trips,
+        COALESCE(SUM(p.amount), 0) as earnings,
+        COALESCE(SUM(r.duration)/60, 0) as hours
+    FROM `ride` r
+    LEFT JOIN `payments` p ON r.id = p.rideId
+    WHERE r.driver_id = :driver_id 
+      AND r.status = 'Finished'
+      AND r.created_at >= DATE(NOW()) - INTERVAL 6 DAY
+    GROUP BY DATE(r.created_at)
+    ORDER BY DATE(r.created_at) ASC
+";
+
+$stmt = $con->prepare($sql);
+$stmt->bindParam(':driver_id', $driver_id, PDO::PARAM_INT);
+$stmt->execute();
+
+if ($stmt->rowCount() > 0) {
+    $rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
+    jsonSuccess($rows);
+} else {
+    // Return empty array instead of error so the app doesn't crash
+    jsonSuccess([]);
+}
+?>