4 Commits

Author	SHA1	Message	Date
Zimeng Xiong	70103e18fb	sign CSRF with cookie, Login rate-limit key hardened against identifier-only lockout	2026-02-07 18:52:00 -08:00
Zimeng Xiong	2aa749a2f0	prevent preview updates from overwriting drawings	2026-02-07 15:51:35 -08:00
Zimeng Xiong	de254d46f2	concurrency	2026-02-07 12:45:33 -08:00
Zimeng Xiong	01fda32bcd	test(import): add legacy import compatibility coverage	2026-02-06 14:54:02 -08:00