docs: reserve seam for complete capabilities

examples/acp-agent/tests/acp.snapshot.ts

@@ -398,7 +398,7 @@ const SCENARIOS: Scenario[] = [
   // the real Loader/app path, rather than retaining the earlier valid group.
   { name: 'hook-cc-invalid-matcher', hasModelTurn: true, recorded: false },
   { name: 'hook-codex-invalid-matcher', hasModelTurn: true, recorded: false },
-  // The mid-turn seams fire during a real model turn, so each is recorded with its hook active
+  // The mid-turn interception points fire during a real model turn, so each is recorded with its hook active
   // (the model's reaction to a deny/block/force-continue is part of the captured transcript).
   // SessionStart/SubagentStart are excluded because detached injection races log
   // order; SubagentStop writes no transcript, so an expected output could not prove it ran.