$ docker-agent run --sandbox --exec --working-dir fixtures/repo-sandbox fixtures/agents/files-sandbox.yaml 'List the files in the working directory and count the lines of README.md.'  (--config-dir, --data-dir, --cache-dir under fixtures/repo-sandbox/.m101, inside the workspace)
Models gateway: none configured
Models catalog: allowlisting models.dev in the sandbox proxy
User sandbox allowlist: allowlisting 1 host(s) from `docker agent sandbox allow`:
  - localhost:12434

sandbox    docker-agent-<hash>
agent      docker-agent
workspace  $CAPTURE/fixtures/repo-sandbox (rw)
           $CAPTURE/fixtures/agents (ro)
           $CAPTURE/fixtures/repo-sandbox/.m101/cache/sandbox-kits/<hash> (ro)
           $CAPTURE/fixtures/repo-sandbox/.m101/cfg (ro)
image      docker/docker-agent-sbx-templates:latest
cpu        10
memory     32 GiB

Pulling image
  <layers>
✓ Image ready
✓ Created sandbox docker-agent-<hash>

To connect to this sandbox, run:
  sbx run --name docker-agent-<hash>
<ts> WARN Self-update skipped; continuing with current binary error="current version \"main\" is not a release version: invalid semantic version"
docker-agent: self-update failed (current version "main" is not a release version: invalid semantic version); continuing with current version
Error: creating session store: migration failed even after database reset: failed to create migrations table: attempt to write a readonly database (1032)
Error: 
[exit 1]