fix: handle empty strings after event removal in transcription processing (...

TnR2

2025-10-01 528f92f7a2a26cade1c57ccf26b0ba6524e7cae5

1
2
3
4
5
6
7
8
9
10
11
um    1
uma    1
dois    2
duas    2
três    3
quatro    4
cinco    5
seis    6
sete    7
oito    8
nove    9