Add an append-only ledger of entitlement set rule changes with per-pool
effect rows, a preview-and-commit rule change flow, and an automatic
drain that settles deferred recomputations. Rules gain a tier reduction
policy, resource keys declare over-limit behavior, and the materializer
now lowers limits when a rule stops applying.
Add entitlement set rule change ledger and preview flow
Add an append-only ledger of entitlement set rule changes with a
preview-and-commit operator flow. Rule writes now go through an enclosed
`core.commit_rule_change` function that files an act row and one
obligation per carrying pool, with a drain workflow settling deferred
recomputations. The preview dry-runs the materializer with a rule
overlay and renders per-pool buckets, reduction-policy disclosures, and
provider over-limit consequences. Materializing transactions take a
shared advisory rendezvous that rule changes hold exclusively, enforced
by a possession assertion. Add History and Entitlement changes surfaces,
a rule-less warning on five product-selection surfaces, and a
`tier_reduction_policy` column that gates FedWiki parking.
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.
Width becomes a one-rung step from the control's natural fraction,
and invariants bound the ladder. The grant's free text is renamed
to GrantNote, and both grant ledgers show it as a muted note line.
Every form on both surfaces is now a declared FormSpec in
internal/forms, rendered through the shared form part and parsed
by its handler through the same declaration. Create and edit
share one field list, refusals answer 422 with values carried
back, and layout, buttons and errors come from one part.
Also adds the form registry with its invariant and route-mapping
tests, the raw-form, filler-copy and Go em-dash lint rules,
declared action triggers, and the capture-coverage cross-check.
The forms-library change is archived under
openspec/changes/archive/2026-09-05-forms-library.
cgalo5758