feat: agregar panel de admin para cambiar imagen de login y logo con editor de imágenes y recorte

log_frontend.php

@@ -0,0 +1,39 @@
+<?php
+require_once __DIR__ . '/includes/session_check.php';
+
+// Endpoint para guardar logs del frontend
+if ($_SERVER['REQUEST_METHOD'] === 'POST') {
+    $data = json_decode(file_get_contents('php://input'), true);
+    
+    if (!isset($data['type']) || !isset($data['message'])) {
+        http_response_code(400);
+        echo json_encode(['error' => 'Missing required fields']);
+        exit;
+    }
+    
+    $type = $data['type']; // 'log', 'error', 'info'
+    $message = $data['message'];
+    $details = $data['details'] ?? null;
+    
+    $logDir = __DIR__ . '/logs';
+    if (!is_dir($logDir)) {
+        mkdir($logDir, 0755, true);
+    }
+    
+    $logFile = $logDir . '/image_editor.log';
+    
+    $timestamp = date('Y-m-d H:i:s');
+    $user = $_SESSION['username'] ?? 'unknown';
+    
+    $logEntry = "[$timestamp] [$type] [User: $user] $message";
+    if ($details) {
+        $logEntry .= " | Details: " . json_encode($details);
+    }
+    $logEntry .= "\n";
+    
+    file_put_contents($logFile, $logEntry, FILE_APPEND);
+    
+    echo json_encode(['success' => true]);
+    exit;
+}
+?>