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Obico's ml_api container takes an optional ML_API_TOKEN environment variable.
With it set, ml_api/auth.py answers a bare 401 to any request whose
Authorization header isn't "Bearer <token>"; with it unset it ignores the
header entirely. Bambuddy never sent one, so pointing it at a protected server
meant deleting the token there — which the reporter had set for their Home
Assistant integration and did not want to undo.
Settings -> Failure Detection gains an ML API Token field. When it is empty no
header is sent, so an unconfigured install's request stays byte-identical to
what shipped before the setting existed.
This failed in the worst possible way, and that is the more important half of
the change. Obico decorates /p/ with token_required but leaves /hc/ open. Test
Connection pinged /hc/, so it reported success against a server that was
rejecting every real detection call, the settings looked right, and detection
silently never ran. The only symptom was a generic "ML API call failed" buried
in the status card.
So the test now proves what it claims. After health passes it probes GET /p/
with no img parameter: the auth decorator runs before the handler, so 401 means
the token was rejected and 422 ("Invalid request params") means it was
accepted. No inference work is done either way. A probe that itself errors
reports the token as unknown rather than as working — the UI says it could not
be checked instead of claiming success.
The detection loop checks for 401 before raise_for_status, so a rejected token
is reported as a rejected token, naming the setting and the environment
variable, instead of surfacing "401 Unauthorized" with no hint of what to do.
The message never contains the token; a test pins that.
The setting name carries "token", so the support bundle's keyword redactor
masks it with no new rule. Resolving "field omitted" to the saved token is the
route's job, keeping test_connection a pure outbound call with no database
access.
Second fix, same issue: support bundles misreported which printers Obico
watches. The bundle split obico_enabled_printers on commas and read an empty
value as "no printers". The settings UI writes a JSON array, and empty means
*all* printers — the default — so a working Obico setup showed obico_enabled
false against every printer in its own bundle. That is the reporter's bundle
exactly, and it points anyone reading it at the wrong subsystem. The bundle now
parses the setting the way ObicoDetectionService does, keeps a comma fallback
for any install that stored the legacy shape, and factors in the global switch.