docs: define a seam as the (Service, Service provider, Consumer) trio

docs/subsystems/settings.md

@@ -169,9 +169,9 @@ type SettingsUpdateSource = 'update' | 'provider'
 
 Generated from source by `scripts/gen-cordis-catalog.ts` (verified fresh by `pnpm run verify-cordis-catalog` in doc-sync; regenerate with `pnpm run gen-cordis-catalog`) — this section is byte-identical in both language sides of the page. Signature blocks use a `ts cordis-catalog` fence and keep the original source JSDoc; dispatch modes are defined in the [primer](../cordis-primer.md#dispatch-modes), and the framework-inherited `ctx` surface lives in [cordis-api/inherited.md](../cordis-api/inherited.md).
 
-<a id="ctxsettings--settings-abstract-seam"></a>
+<a id="ctxsettings--settings"></a>
 
-### `ctx.settings` — `Settings` (abstract seam)
+### `ctx.settings` — `Settings`
 
 Abstract settings service. Providers implement raw-document storage (`load`/`persist`) and push external changes through Settings.publish; the base class owns namespace registration, resolution, validation, change detection, and the `settings/updated` commit event.