_docker_get_json/_docker_post called sock.connect(sock_path) a second
time after _docker_connection() had already connected the socket --
sock_path was never defined in either function, so every call raised
NameError. Surfaced in the UI as every engine card reporting "Not
installed" and the Active OCR Engine model dropdown reporting "Not
Found" regardless of what was actually running, found while diagnosing
a user report of that dropdown. Docker socket API calls (list/status/
start/stop/restart) were affected for every engine card, not just OCR.
Added tests/test_docker_client.py, which did not exist before, to
catch this class of regression going forward.
Also records a request to make the magazine ingestion "watching it
work" panel draw detected region boxes live over the page image as
each is classified, instead of today's static page-image-plus-text-
list (TODO.md; no code change for that yet).
254 tests passing.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
