After the first user registers, clears the setup token and dispatches
NotifySetupCompleteJob to POST the token to MapleDeploy's callback URL.
Adds setup_callback_url column to instance_settings.
Restrict mass-assignable attributes across user/team/redis models and
switch privileged root/team creation paths to forceFill/forceCreate.
Encrypt legacy ClickHouse admin passwords via migration and cast the
correct ClickHouse password field as encrypted.
Tighten API and runtime exposure by removing sensitive team fields from
responses and sanitizing Git/compose error messages.
Expand security-focused feature coverage for command-injection and mass
assignment protections.
