docs: reserve seam for complete capabilities

packages/support/acp-snapshot/tests/fixtures/fake-acp-agent.ts

@@ -149,7 +149,7 @@ async function handlePrompt(id: number | string): Promise<void> {
       override: process.env.DSH_SNAPSHOT_OVERRIDE ?? null,
       childFiles: process.env.DSH_SNAPSHOT_CHILD_FILES ?? null,
       spillRoot: process.env.DSH_SNAPSHOT_SPILL_ROOT ?? null,
-      // Scenario-supplied deployment env (the `Scenario.env` layering seam).
+      // Scenario-supplied deployment env (the `Scenario.env` layering hook).
       permissionMode: process.env.DSH_PERMISSION_MODE ?? null,
     })}`)
   }

packages/support/invariants/src/index.ts

@@ -191,7 +191,7 @@ export class InvariantService extends Service {
       throw error
     }
     // Cordis attaches setup thenability and async teardown to this callable;
-    // the service seam intentionally exposes only the conventional disposer.
+    // the service contract intentionally exposes only the conventional disposer.
     // oxlint-disable-next-line typescript/no-misused-promises -- the extra runtime shape stays private.
     return registration
   }

packages/support/llm-replay/tests/llm-replay.spec.ts

@@ -23,7 +23,7 @@ import {
 /**
  * Unit tests for the replay llm/stream plugin. These drive the listener through
  * the REAL LlmService waterfall (not a hand-rolled stub) so they verify the
- * actual seam the snapshot harness depends on, plus the pure
+ * actual LLM capability seam the snapshot harness depends on, plus the pure
  * derive/parse/load helpers that turn a recorded session JSONL into a script.
  */