Immutability

Frozen per pool

• The module list and every parameter.
• The base fee tier, or the fee floor and ceiling of a size-scaled fee.
• The protocol share and blueprint royalty.
• The unlock time of a locked founding position.

Not frozen

• Nothing on chain. The hook and registry have no owner, and the launcher's only admin call (setting the hook) can be made once.
• New modules mean new contracts and new pools. Existing pools never pick them up.