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Share-Based Compensation - Summary of Stock Option Activity (Details)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Apr. 30, 2026
USD ($)
$ / shares
shares
Oct. 31, 2025
USD ($)
$ / shares
shares
Share-Based Payment Arrangement [Abstract]    
Number of shares outstanding, Beginning balance | shares 9,033,298  
Granted | shares 3,161,490  
Exercised | shares (117,868)  
Forfeited or expired | shares (60,987)  
Number of shares outstanding, Ending balance | shares 12,015,933 9,033,298
Options vested and exercisable | shares 3,929,761  
Options unvested | shares 8,086,172  
Weighted-Average Exercise Price Outstanding, Beginning balance | $ / shares $ 6.93  
Weighted-Average Exercise Price, Granted | $ / shares 9.53  
Weighted-Average Exercise Price, Exercised | $ / shares 2.38  
Weighted-Average Exercise Price, Forfeited or expired | $ / shares 8.14  
Weighted-Average Exercise Price Outstanding, Ending balance | $ / shares 7.63 $ 6.93
Weighted-Average Exercise Price, Options vested and exercisable | $ / shares 6.77  
Weighted-Average Exercise Price, Options unvested | $ / shares $ 8.04  
Weighted- Average Remaining Contractual Term (in years), Outstanding 8 years 6 months 8 years 6 months
Weighted- Average Remaining Contractual Term (in years), Options vested and exercisable 7 years 1 month 6 days  
Weighted- Average Remaining Contractual Term (in years), Options unvested 9 years 1 month 6 days  
Aggregate Intrinsic Value, Outstanding | $ $ 10,865 $ 10,979
Aggregate Intrinsic Value, Options vested and exercisable | $ 6,561  
Aggregate Intrinsic Value, Options unvested | $ $ 4,304