Split of #20377.
## Summary
This PR separates available permission flags from per-role permission
flag grants.
Previously, `core.permissionFlag` stored the role assignment directly:
`roleId + flag`. This PR renames that legacy grant table to
`core.rolePermissionFlag`, then recreates `core.permissionFlag` as the
catalog of available permission flags.
## What changed
- Rename the existing `core.permissionFlag` grant table to
`core.rolePermissionFlag`.
- Add the new syncable `core.permissionFlag` catalog entity with key,
label, description, icon, permission type, relevance flags, and
custom/standard metadata.
- Add stable `SystemPermissionFlag` universal identifiers for the
built-in `PermissionFlagType` values.
- Seed the standard permission flags for every workspace under the
Twenty standard application.
- Backfill existing role grants:
- create missing catalog rows for existing grant keys,
- add `rolePermissionFlag.permissionFlagId`,
- migrate grants from the old string `flag` column to the new catalog
FK,
- replace the old `(flag, roleId)` uniqueness with `(permissionFlagId,
roleId)`.
- Rewire role permission flag caches, permission checks, role DTO
mapping, and `upsertPermissionFlags` to resolve through the catalog.
- Keep the existing public role permission API shape: product/app
surfaces still talk about `permissionFlags` and return `{ id, roleId,
flag }`.
- Update metadata flat-entity machinery, migration builders, validators,
action handlers, snapshots, generated schemas, docs, and app fixtures
for the new `permissionFlag` / `rolePermissionFlag` split.
## Behavior after this PR
- Existing permission flag grants keep working.
- Existing GraphQL role permission flows keep the same public naming.
- Standard permission flags are represented as catalog rows.
- Permission checks now compare grants through catalog universal
identifiers instead of the legacy `flag` column.
- Workspace deletion cleanup now verifies both `permissionFlag` and
`rolePermissionFlag`.
## What is not in this PR
- Public GraphQL CRUD for custom permission flags.
- App manifest support for declaring new custom permission flags.
- Frontend UI for creating or assigning custom permission flags beyond
the existing role permission flow.
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Co-authored-by: Weiko <corentin@twenty.com>
nitin
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