Merge remote-tracking branch 'origin/master' into worktree/web-multimodal-image-input

# Conflicts:
#	docs/core-data-structures/core.i18n.yaml
#	packages/README.i18n.yaml

scripts/gen-doc-graphs.ts

@@ -162,6 +162,15 @@ const SERVICE_ROLES: ServiceRole[] = [
     consumers: ['agent-loop', 'tool-bash', 'hooks-claude', 'hooks-codex', 'session-query', 'session-query-sqlite'],
     note: 'Backends persist the same SessionEvent vocabulary; apps choose a backend at composition time.',
   },
+  {
+    key: 'settings',
+    pkg: 'settings',
+    title: 'User-settings seam',
+    mode: 'seam',
+    implementations: ['settings-local'],
+    consumers: [],
+    note: 'Plugins register namespace schemas and resolve layered values; providers store the raw document. No production consumer is migrated yet.',
+  },
   {
     key: 'telemetry',
     pkg: 'session-telemetry',