Net Loss Per Share Attributable to Common Stockholders - Schedule of Outstanding Common Stock Equivalents Excluded from Diluted Net Loss Per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total common stock equivalents	8,659,090	36,341,278	8,659,090	36,341,278
Employee Stock Option
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total common stock equivalents	7,919,531	5,738,383	7,919,531	5,738,383
Early Exercised Stock Options and Unvested Restricted Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total common stock equivalents	0	7,595	0	7,595
Warrants to Purchase Common Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total common stock equivalents	739,559	739,559	739,559	739,559
Redeemable Convertible Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total common stock equivalents	0	29,855,741	0	29,855,741