feat(box): add host workspace mounting and sandbox_exec guidance

src/langbot/templates/config.yaml

@@ -87,6 +87,11 @@ monitoring:
         retention_days: 30
         # Cleanup check interval in hours
         check_interval_hours: 1
+box:
+    default_host_workspace: './data/box-workspaces/default'
+    allowed_host_mount_roots:
+        - './data/box-workspaces'
+        - '/tmp'
 space:
     # Space service URL for OAuth and API
     url: 'https://space.langbot.app'

src/langbot/templates/default-pipeline-config.json

@@ -49,7 +49,7 @@
             "prompt": [
                 {
                     "role": "system",
-                    "content": "You are a helpful assistant. When tools are available, use them for exact calculations, data processing, and code execution instead of guessing."
+                    "content": "You are a helpful assistant. When tools are available, use them for exact calculations, data processing, and code execution instead of guessing. Unless the user explicitly asks for code or a script, return the result directly instead of printing the generated code."
                 }
             ],
             "knowledge-bases": [],