HomeOS Bootstrap d950abe375 Fix R15: make the last_seen update atomic (no read-then-write race) ... Two concurrent workers could both read the old last_seen_at, pass the in-memory comparison and save in reverse order, rewinding presence. The guard now lives in the WHERE clause of a single conditional UPDATE, so last_seen_at only ever advances even under concurrent ingestion. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>		2026-07-17 23:11:08 +02:00
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IngestShellyMessage.php	Fix R15: make the last_seen update atomic (no read-then-write race)	2026-07-17 23:11:08 +02:00