Vervollstaendige Marktmanagement-MCP-Abdeckung

public/api/market-management-mcp.php

@@ -39,7 +39,7 @@ try {
         $result = [
             'content' => [[
                 'type' => 'text',
-                'text' => json_encode(market_management_mcp_call($pdo, $tool, $arguments), JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_THROW_ON_ERROR),
+                'text' => json_encode(market_management_mcp_call_idempotent($pdo, $userSubject, $tool, $arguments), JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES | JSON_THROW_ON_ERROR),
             ]],
             'isError' => false,
         ];