Introduce a commercial license option alongside AGPL-3.0-only, require a
CLA for contributors, and document the terms in COMMERCIAL.md and
NOTICE. Add a script to stamp SPDX headers on Go files and apply it
across the tree.
Persist non-secret ConfigSpec overrides in core and apply them at boot
ahead of environment values and defaults. Validate typed and enum
values,
show pending restart state, and remove Stripe's unused provider config
table.