The Long SMART column showed "—" while the Burn-In column showed
"FAILED (LONG SMART)" — clear contradiction. Two reasons:
1. The overlay query in _drives_helpers only fetched SMART stage
data for burn-ins in ('running','queued') state. Failed/passed/
cancelled jobs got their stage data filtered out, so the SMART
columns went blank when you most wanted to see them. Removed
the state filter so all burn-ins overlay.
2. A pre-busy-timeout `database is locked` failure mode (sdj job 5
from Mar 2026) left long_smart stage rows recorded as state=
'running' even though the parent job ended in state='failed'.
The overlay now translates that orphan state at render time:
if the parent job is failed/cancelled/unknown but the stage is
still 'running', display the stage as failed (or the parent's
terminal state) so the column matches the Burn-In column.
The translation is purely display-time; no DB writes. error_text
falls back to the parent job's error_text when the stage's own is
NULL, so the operator sees what actually broke.
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