Fair Value Measurements - Narrative (Details) $ / shares in Units, $ in Millions, number in Billions	Oct. 31, 2025 shares	Oct. 30, 2025 USD ($) shares	Jan. 31, 2025 USD ($) shares	Dec. 31, 2015 $ / shares shares
Class of Warrant or Right [Line Items]
Warrants, outstanding value | $		$ 0.9
Valuation Cap Conversion Price
Class of Warrant or Right [Line Items]
Embedded derivative liability, measurement input	5
SAFE Warrants
Class of Warrant or Right [Line Items]
Number of shares called by warrants (in shares)	1,216,187
Series Seed
Class of Warrant or Right [Line Items]
Number of shares called by warrants (in shares)				60,757
Exercise price (usd per share) | $ / shares				$ 0.2469
Series A
Class of Warrant or Right [Line Items]
Number of shares called by warrants (in shares)				30,192
Exercise price (usd per share) | $ / shares				$ 0.4968
Series A-1
Class of Warrant or Right [Line Items]
Number of shares called by warrants (in shares)				34,080
Exercise price (usd per share) | $ / shares				$ 0.5853
Series B
Class of Warrant or Right [Line Items]
Number of shares called by warrants (in shares)				40,160
Exercise price (usd per share) | $ / shares				$ 1.8675
Outstanding warrants (in shares)		40,160	40,160
Warrants, outstanding value | $			$ 0.4
Class A common stock
Class of Warrant or Right [Line Items]
Outstanding warrants (in shares)	40,160
Class A common stock | SAFE Warrants
Class of Warrant or Right [Line Items]
Number of shares called by warrants (in shares)	7,851,008