v3.26.1
INVESTMENTS AND FAIR VALUE MEASUREMENTS - Unobservable Reconciliation (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Redeemable Convertible Preferred Stock Warrant Liability    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance $ 427 $ 297
Change in fair value 510 130
Reclassification to equity (937)  
Ending Balance 0 427
Embedded Derivative Liability    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 59,820 72,150
Change in fair value (25,150) (12,330)
Reclassification to equity (34,670)  
Ending Balance 0 59,820
SAFEs    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 0  
Additions in the period 127,300  
Change in fair value 68,975  
Reclassification to equity 0  
Conversion (196,275)  
Ending Balance 0 0
Common stock warrants    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 0  
Additions in the period 27,700  
Change in fair value 2,706  
Reclassification to equity (30,406)  
Conversion 0  
Ending Balance $ 0 $ 0