fix migration

src/Storage/ClickHouseClient.php

@@ -167,7 +167,26 @@ class ClickHouseClient
 
     public function migrate(): void
     {
-        $this->execute("CREATE DATABASE IF NOT EXISTS {$this->database}");
+        $ch = curl_init();
+        curl_setopt_array($ch, [
+            CURLOPT_URL => $this->url() . '?' . http_build_query(['database' => 'default']),
+            CURLOPT_POST => true,
+            CURLOPT_POSTFIELDS => "CREATE DATABASE IF NOT EXISTS {$this->database}",
+            CURLOPT_RETURNTRANSFER => true,
+            CURLOPT_TIMEOUT => $this->timeout,
+            CURLOPT_CONNECTTIMEOUT => $this->timeout,
+            CURLOPT_HTTPHEADER => ['Content-Type: text/plain'],
+        ]);
+        if ($this->username) {
+            curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
+            curl_setopt($ch, CURLOPT_USERPWD, $this->username . ':' . $this->password);
+        }
+        $response = curl_exec($ch);
+        $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+        curl_close($ch);
+        if ($httpCode !== 200 && !str_contains($response, 'already exists')) {
+            throw new \RuntimeException("ClickHouse error (HTTP $httpCode): $response");
+        }
 
         $this->execute("
             CREATE TABLE IF NOT EXISTS log_entries (