fix(topup): unify whitespace normalization with DuplicationPreventionService#475
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RicherTunes merged 1 commit intomainfrom Feb 13, 2026
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…Service TopUpPlanner.NormalizeTopUpKey() used Trim().ToLowerInvariant() while DuplicationPreventionService.NormalizeString() used Regex.Replace(\s+, " ") before lowercasing. This mismatch meant items with multiple internal spaces (e.g. "Lana Del Rey") could bypass top-up deduplication. Align TopUpPlanner to use the same regex whitespace collapse. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
TopUpPlanner.NormalizeTopUpKey()usedTrim().ToLowerInvariant()whileDuplicationPreventionService.NormalizeString()usedRegex.Replace(\s+, " ")before lowercasingThis is the secondary fix from the TopUp flakiness investigation (#474). The primary fix (MusicBrainzResolver catch block) was merged in #474; this addresses the normalization inconsistency identified during root cause analysis.
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