Repair nonce-derived AES-CCM message-length enforcement across construction, streaming…

Repair nonce-derived AES-CCM message-length enforcement across construction, streaming…: a task in MiMo-V2.6-RL-harbor-terminal: MiMo-V2.6-RL Terminal (Harbor) (Harbor dataset). Work in /app/vendor/pycryptodome . The frozen source already includes its local Python modules and ABI3 native…