Feat: add code_executor_manager (#7814)

### What problem does this PR solve?

Add code_executor_manager. #4977.

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

sandbox/executor_manager/api/handlers.py

@@ -0,0 +1,44 @@
+#
+#  Copyright 2025 The InfiniFlow Authors. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+#
+import base64
+
+from core.logger import logger
+from fastapi import Request
+from models.enums import ResultStatus
+from models.schemas import CodeExecutionRequest, CodeExecutionResult
+from services.execution import execute_code
+from services.limiter import limiter
+from services.security import analyze_code_security
+
+
+async def healthz_handler():
+    return {"status": "ok"}
+
+
+@limiter.limit("5/second")
+async def run_code_handler(req: CodeExecutionRequest, request: Request):
+    logger.info("🟢 Received /run request")
+
+    code = base64.b64decode(req.code_b64).decode("utf-8")
+    is_safe, issues = analyze_code_security(code, language=req.language)
+    if not is_safe:
+        issue_details = "\n".join([f"Line {lineno}: {issue}" for issue, lineno in issues])
+        return CodeExecutionResult(status=ResultStatus.PROGRAM_RUNNER_ERROR, stdout="", stderr=issue_details, exit_code=-999, detail="Code is unsafe")
+
+    try:
+        return await execute_code(req)
+    except Exception as e:
+        return CodeExecutionResult(status=ResultStatus.PROGRAM_RUNNER_ERROR, stdout="", stderr=str(e), exit_code=-999, detail="unhandled_exception")