offload

Subdirectory of the offload root that holds per-thread conversation archives.

Lives directly under ~/.deepagents/ in local mode. The /agent picker excludes this reserved name in addition to requiring an AGENTS.md marker.

Return whether offload history is routed to non-persistent storage.

True when the persistent ~/.deepagents location was unwritable and the most recent _offload_fallback_root fell back to a temporary directory that may not survive a restart. Only meaningful in local mode, where _offload_fallback_root runs in the same process as the UI; in server/sandbox mode persistence is owned by the server backend and this flag stays False client-side.

Remove a thread's offloaded conversation-history archive.

Deletes the per-thread markdown file written by the local-mode conversation_history backend ({root}/conversation_history/{thread_id}.md), resolving root with _offload_fallback_root so the persistent ~/.deepagents location and any temporary fallback are both covered.

Best-effort: filesystem failures are logged and swallowed rather than raised, so a failed cleanup never blocks thread deletion. Resolving the offload root is not side-effect-free -- it creates (and hardens) the conversation_history directory and writes a short-lived probe file -- so a call for a thread that has no archive still touches the filesystem before returning False.

In server/sandbox mode the archive lives on the sandbox backend rather than the local ~/.deepagents directory, so there is no local archive to remove.