fix: fix aio sandbox shutdown bug

backend/src/config/extensions_config.py

@@ -161,8 +161,8 @@ class ExtensionsConfig(BaseModel):
         """
         skill_config = self.skills.get(skill_name)
         if skill_config is None:
-            # Default to enable for public skill, disable for custom
-            return skill_category == "public"
+            # Default to enable for public & custom skill
+            return skill_category in ('public', 'custom')
         return skill_config.enabled
 
 

backend/src/config/sandbox_config.py

@@ -21,6 +21,7 @@ class SandboxConfig(BaseModel):
         base_url: If set, uses existing sandbox instead of starting new container
         auto_start: Whether to automatically start Docker container (default: true)
         container_prefix: Prefix for container names (default: deer-flow-sandbox)
+        idle_timeout: Idle timeout in seconds before sandbox is released (default: 600 = 10 minutes). Set to 0 to disable.
         mounts: List of volume mounts to share directories with the container
         environment: Environment variables to inject into the container (values starting with $ are resolved from host env)
     """
@@ -49,6 +50,10 @@ class SandboxConfig(BaseModel):
         default=None,
         description="Prefix for container names",
     )
+    idle_timeout: int | None = Field(
+        default=None,
+        description="Idle timeout in seconds before sandbox is released (default: 600 = 10 minutes). Set to 0 to disable.",
+    )
     mounts: list[VolumeMountConfig] = Field(
         default_factory=list,
         description="List of volume mounts to share directories between host and container",