Renewal runs every poll for every implementation-column task with declared
symbols, and a lost lock never recovers by renewing — renewSymbolLocks reports
the same lost set on each pass, so the warning and its store.logEntry companion
repeated forever: log-pane spam plus unbounded activityLog growth for a stuck
task. The two error paths had the same shape on any persistent failure.
Extract the executor's suppression into a shared createRepeatSuppressedLog and
use it in both: first occurrence per task/signature logs at full level, repeats
drop to debug(), a changed lost set or error message logs again, and a clean
renewal clears the memo. The logEntry write is gated on the same decision.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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