umputun / tg-spam / 19289384684

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fix: normalize multiple spaces in stopword matching (#334)

Stopword detection was failing when messages contained multiple consecutive spaces between words. For example, 'дам денег' wouldn't match 'Дам  денег' (with two spaces) even though case-insensitive matching was working.

Changes:
- Add normalizeSpaces() function to collapse multiple spaces into single spaces
- Update isStopWord() to normalize both message text and stopwords before comparison
- Apply normalization to username/userid stopword checks as well
- Add comprehensive test coverage for extra spaces and case variations

9 of 9 new or added lines in 1 file covered. (100.0%)

6169 of 7537 relevant lines covered (81.85%)

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