Net Loss Per Share - Summary of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Jul. 31, 2024	Apr. 30, 2024	Jan. 31, 2024	Jul. 31, 2023	Apr. 30, 2023	Jan. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Numerator:
Net loss	$ 14,148	$ 14,984	$ 10,711	$ 4,720	$ 5,282	$ 7,418	$ 39,843	$ 17,420
Deemed dividend attributable to redeemable convertible preferred shareholders				1,273				3,726
Net loss attributable to common shareholders, basic	14,148			5,993			39,843	21,146
Net loss attributable to common shareholders, diluted	$ 14,148			$ 5,993			$ 39,843	$ 21,146
Denominator:
Weighted-average number of common shares used in net loss per share, basic	44,168,986			701,323			35,564,767	687,188
Weighted-average number of common shares used in net loss per share, diluted	44,168,986			701,323			35,564,767	687,188
Net loss per share of common shares, basic	$ 0.32			$ 8.55			$ 1.12	$ 30.77
Net loss per share of common shares, diluted	$ 0.32			$ 8.55			$ 1.12	$ 30.77