Add PreRenderDynamicImagesCron for dynamic image variant caching and idempotency guard for order bookings.

services/nginx/app/routes/orderBookingRoute.php

@@ -561,7 +561,7 @@ class orderBookingRoute
             'reg_1' => (string)($data['reg_1'] ?? ''),
             'reg_2' => $this->normalizeNullableString($data['reg_2'] ?? null),
             'reg_3' => $this->normalizeNullableString($data['reg_3'] ?? null),
-            'datetime' => (string)($data['datetime'] ?? ''),
+            'datetime' => $this->normalizeDatetimeForFingerprint((string)($data['datetime'] ?? '')),
             'note' => $this->normalizeNullableString($data['note'] ?? null),
             'reference' => $this->normalizeNullableString($data['reference'] ?? null),
             'po' => $this->normalizeNullableString($data['po'] ?? null),
@@ -619,6 +619,25 @@ class orderBookingRoute
         return $normalized;
     }
 
+    private function normalizeDatetimeForFingerprint(string $datetime): string
+    {
+        $value = trim($datetime);
+        if ($value === '') {
+            return '';
+        }
+
+        $formats = ['Y-m-d H:i:s', 'Y-m-d H:i', 'Y-m-d'];
+        foreach ($formats as $format) {
+            $parsed = \DateTime::createFromFormat($format, $value);
+            if ($parsed !== false) {
+                // Use minute precision so rapid retries do not bypass idempotency because of second-level drift.
+                return $parsed->format('Y-m-d H:i');
+            }
+        }
+
+        return $value;
+    }
+
     private function getBookingFromIdempotencyCache(string $fingerprint): ?order_bookings_o
     {
         try {