Stockholders’ Equity - Schedule Of Common Stock Reserve For Issuance On Converted Basis (Details) - shares	Sep. 30, 2025	Dec. 31, 2024
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	28,107,317	61,782,120
Options to purchase common stock
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	10,006,820	8,537,203
Restricted stock units
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	813,283	0
Shares reserved for issuance under the Company’s equity plans
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	15,639,547	370,902
Redeemable convertible preferred stock
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	0	51,226,348
Common stock warrants
Class of Stock [Line Items]
Common stock reserved for issuance (in shares)	1,647,667	1,647,667