fix sandbox limit

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "agentscope-runtime"
-version = "1.1.1"
+version = "1.1.2b1"
 description = "A production-ready runtime framework for agent applications, providing secure sandboxed execution environments and scalable deployment solutions with multi-framework support."
 readme = "README.md"
 requires-python = ">=3.10"

src/agentscope_runtime/sandbox/manager/sandbox_manager.py

@@ -728,6 +728,14 @@ def create(
                     except Exception:
                         # ignore broken records
                         continue
+
+                # Check if limit is exceeded
+                if current >= limit:
+                    logger.warning(
+                        f"Sandbox instance limit reached: "
+                        f"{current}/{limit} active instances",
+                    )
+                    return None
         except RuntimeError as e:
             logger.warning(str(e))
             return None

src/agentscope_runtime/version.py

@@ -1,2 +1,2 @@
 # -*- coding: utf-8 -*-
-__version__ = "v1.1.1"
+__version__ = "v1.1.2b1"