feat(sandbox): add Node.js code execution support to sandbox

sandbox/app/services/nodejs_service.py

@@ -0,0 +1,43 @@
+"""Nodejs execution service"""
+import signal
+
+from app.core.runners.nodejs.nodejs_runner import NodejsRunner
+from app.logger import get_logger
+from app.models import (
+    success_response,
+    error_response,
+    RunCodeResponse,
+    RunnerOptions
+)
+
+
+async def run_nodejs_code(code: str, preload: str, options: RunnerOptions):
+    """Execute Node.js code in sandbox
+
+    Args:
+        options:
+        code: Base64 encoded encrypted code
+        preload: Preload code
+
+    Returns:
+        API response with execution result
+    """
+    logger = get_logger()
+
+    try:
+        runner = NodejsRunner()
+        result = await runner.run(code, options, preload)
+        if result.exit_code == signal.SIGSYS + 0x80:
+            return error_response(31, "sandbox security policy violation")
+
+        if result.exit_code != 0:
+            return error_response(500, result.stderr)
+
+        return success_response(RunCodeResponse(
+            stdout=result.stdout,
+            stderr=result.stderr
+        ))
+
+    except Exception as e:
+        logger.error(f"Python execution failed: {e}", exc_info=True)
+        return error_response(-500, str(e))