docs: reserve seam for complete capabilities

packages/client/ui-layout/src/client/index.ts

@@ -3,7 +3,7 @@
  * the runtime's built-in 'root' slot and, in the same breath, declares the
  * four child slots (declaration = exclusive render authority), seats the
  * layout store (panel geometry), and wires the panel-action service face.
- * ctx.layout is the cross-plugin panel-action seam; navigation state lives
+ * ctx.layout is the cross-plugin panel-action contract; navigation state lives
  * with the runtime sessions service. A second effect seats the theme
  * presenter, which projects ctx.theme snapshots onto document.body.
  */

packages/client/ui-layout/src/client/service.ts

@@ -3,7 +3,7 @@
  * Panel geometry itself lives in the root entry's layout store (stores.ts);
  * the current-session selection lives with the runtime sessions service, and
  * the per-session active view dissolved into ui-conversation's session store
- * (its only consumer). What remains here is the seam other plugins'
+ * (its only consumer). What remains here is the contract other plugins'
  * apply worlds reach for panel transitions (sidebar toggle from ui-sidebar,
  * details open/close from ui-conversation) — writes stay inside the store's
  * declared action set, delivered as the registration's bound actions.

packages/client/ui-layout/tests/service.spec.ts

@@ -1,7 +1,7 @@
 /**
  * LayoutService behavior: the cross-plugin panel-action face. Geometry
  * lives in the entry store (layout-store.spec.ts) — here we assert the
- * delegation seam: attachPanels wiring, the three actions forwarding, the
+ * delegation contract: attachPanels wiring, the three actions forwarding, the
  * unwired fail-loud, and re-attach overwriting a stale action set.
  */
 import { describe, expect, it, vi } from 'vitest'