📝 docs: point Chinese xelatex at a font whose text can be copied
📝 docs: describe sandbox exportFile batches, subdirectory outputs, and image :2
📝 docs: include public storage links in the iOS save steps
📝 docs: explain saving sandbox files on iPhone and iPad
📝 docs: point Sandbox setup at OpenSandbox only The Dify sidecar is no longer a backend. Operator pages now use the Sandbox tool and OPENSANDBOX_* settings.
📝 docs: say a policy change replaces the sandbox and old files stay put
📝 docs: publish the OpenSandbox per-conversation setup page The Dify page still told operators to expect no sandbox after each turn. Reuse, the expiry volume, and the create-timeout footgun now live on their own page.