zerotrie: prune low-frequency suffixes from dense matrix (fix #7302)#7307

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s3arthak wants to merge 3 commits intounicode-org:mainfrom

s3arthak:feat/zerotrie-filter-lowfreq-suffixes

Commits on Dec 11, 2025

zerotrie: prune low-frequency suffixes from dense matrix (fix #7302)
s3arthak
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zerotrie: implement suffix-frequency pruning for dense builder (fix #7302)
s3arthak
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zerotrie: make suffix-frequency pruning opt-in via dense-prune feature; add tests
s3arthak
committed