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stack/packages/db/drizzle/0020_special_betty_brant.sql
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fred a3446a13e2
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feat(hierarchy): M4-1b-ii hierarchy command family, grant evaluation, visibility
Implements the ratified hierarchy command surface per contract 1
(hierarchy-schema.md) and contract 2 (rbac-grant-model.md), brief M4-1B-II:

- HierarchyRepository: the closed command family (company/estate/
  platform-project create/rename/transfer/delete, grant create/change/
  revoke, directory + granted-companies reads). Every mutation runs in one
  transaction through the M4-1b-i audit machinery (event + outbox,
  idempotency-key replay, causation-linked composite operations).
- HierarchyGrantEvaluationService: live deny-by-default evaluation —
  effective role is the max over ancestor-chain user grants, fail-closed,
  team subjects suspended (§1.4), platform admin confers no tenant access
  (§1.1).
- companies.visibility column (private default, directory carve-out) with
  migration 0020, admin-only audited visibility_change (§5.5), closed-field
  directory listing (§2.8), no-existence-oracle refusals (§6.7).
- hierarchy_grants role CHECK pinned to the ratified vocabulary; namespaced
  serialized roles (hierarchy:*, §4.5).
- §1.1 bypass retirement: role-derived MCP scope elevation and hasScope
  admin shortcuts removed; specs updated to the granted-scope path.
- Witnesses: schema-level (role CHECK, visibility class/default), §6.3
  closed route inventory, §6.4 per-mutation-class commit+rollback legs,
  §6.5 authorization, §6.7 oracle indistinguishability, §6.9 visibility,
  grant-evaluation semantics (chain inheritance, max-role, live
  revocation).
2026-08-28 19:59:17 -05:00

5 lines
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SQL

ALTER TABLE "hierarchy_audit_events" DROP CONSTRAINT "hierarchy_audit_events_verb_check";--> statement-breakpoint
ALTER TABLE "companies" ADD COLUMN "visibility" text DEFAULT 'private' NOT NULL;--> statement-breakpoint
ALTER TABLE "companies" ADD CONSTRAINT "companies_visibility_check" CHECK (visibility IN ('private', 'directory'));--> statement-breakpoint
ALTER TABLE "hierarchy_audit_events" ADD CONSTRAINT "hierarchy_audit_events_verb_check" CHECK (verb IN ('create', 'rename', 'transfer', 'visibility_change', 'delete', 'grant_create', 'grant_change', 'grant_revoke'));--> statement-breakpoint
ALTER TABLE "hierarchy_grants" ADD CONSTRAINT "hierarchy_grants_role_check" CHECK (role IN ('viewer', 'member', 'owner'));