fix: crash when using online mode with uninitialized jieba (#2663)

Gang Zhuo

2025-09-20 6244b743a70f8ac152e6b8f517669671322da0a8

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satu    1
dua    2
tiga    3
empat    4
lima    5
enam    6
tujuh    7
delapan    8
sembilan    9