SMS AI - Test concurrence réelle OVH
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--- Worker A ---
HTTP_STATUS=200
WORKER=A
LOCK=OK
WAIT_MS=0
COUNTER=3
UNLOCK=OK
RESULT=PASS
CURL_ERROR=NONE

--- Worker B ---
HTTP_STATUS=200
WORKER=B
LOCK=OK
WAIT_MS=0
COUNTER=3
UNLOCK=OK
RESULT=PASS
CURL_ERROR=NONE

TOTAL_ELAPSED_MS=2046
SERIALIZATION=FAILED
RESULT=FAILED