fund_capture alerts for a symbol with multiple capture records sharing one
as_of re-fired every batch cycle: the single comparison-state slot
ping-ponged between sibling evidence URLs, and the pre-check dedup key
never matched the stored buildDedupKey format. Track a seen-set of URLs in
comparison state and align dedup-key construction with buildDedupKey.
Also add alerts.clearAll (hard delete) with an immediate-refresh bell.
Investor Flow Build
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