docs: reserve seam for complete capabilities

packages/client/ui-tool/tests/chat-code-subcalls.spec.tsx

@@ -89,7 +89,10 @@ function AppRoot({ renderSlot }: AppRootProps) {
   return <>{renderSlot('conversation', {})}</>
 }
 
-/** Same real-stack bench as the toolview-slot spec: SlotsService + renderer + both owning package applies; fakes only at service seams. */
+/**
+ * Same real-stack bench as the toolview-slot spec: SlotsService + renderer +
+ * both owning package applies; fakes only at service boundaries.
+ */
 async function bench(snapshot: ConversationSnapshot) {
   const ctx = new Context()
   const slotsFiber = ctx.plugin(SlotsService)

packages/client/ui-tool/tests/toolview-slot.spec.tsx

@@ -58,7 +58,7 @@ const LAYOUT_CHILDREN = {
 
 /**
  * Real-stack bench: SlotTestRuntime with the session/layout doubles at the
- * service seams only (external boundaries), the package apply on its own
+ * service boundaries only, the package apply on its own
  * fiber, and the test AppFrame occupying 'root'.
  */
 async function bench(nodes: ToolResultNode[]) {