fx update

modules/fx-rates/src/Infrastructure/FxRatesRepository.php

@@ -385,6 +385,30 @@ final class FxRatesRepository
         }
     }
 
+    public function findFetchByBaseAndFetchedAt(string $baseCurrency, string $fetchedAt): ?array
+    {
+        $baseCurrency = strtoupper(trim($baseCurrency));
+        $fetchedAt = trim($fetchedAt);
+        if ($baseCurrency === '' || $fetchedAt === '') {
+            return null;
+        }
+
+        $stmt = $this->pdo->prepare(
+            'SELECT id, provider, trigger_source, base_currency, rate_date, fetched_at, created_at
+             FROM ' . $this->table('fetches') . '
+             WHERE base_currency = :base_currency
+               AND fetched_at = :fetched_at
+             ORDER BY id ASC
+             LIMIT 1'
+        );
+        $stmt->execute([
+            'base_currency' => $baseCurrency,
+            'fetched_at' => $fetchedAt,
+        ]);
+        $row = $stmt->fetch(PDO::FETCH_ASSOC);
+        return is_array($row) ? $this->normalizeFetch($row) : null;
+    }
+
     private function getFetchById(int $fetchId): ?array
     {
         $stmt = $this->pdo->prepare(
@@ -496,7 +520,7 @@ final class FxRatesRepository
     {
         $source = strtolower(trim($source));
         return match ($source) {
-            'cron', 'manual', 'api' => $source,
+            'cron', 'manual', 'api', 'migration' => $source,
             default => 'manual',
         };
     }