diff --git a/packages/core/session/tests/repair.spec.ts b/packages/core/session/tests/repair.spec.ts
index 2d1e7d8fd9..f70b1ac83f 100644
--- a/packages/core/session/tests/repair.spec.ts
+++ b/packages/core/session/tests/repair.spec.ts
@@ -96,28 +96,6 @@ describe('ToolCallRecovery', () => {
     expect(recovery.results().map(event => event.data.message.toolCallId)).toEqual([ToolCallId('started'), ToolCallId('pending')])
   })
 
-  it('ignores historical assistant replacements when tracking current requests', () => {
-    const recovery = new ToolCallRecovery()
-    const current = liveToolRequests()
-    recovery.observe(current)
-    recovery.observe({
-      ...current, seq: SessionSeq(22),
-      surfaceOp: { op: 'replace', startSeq: SessionSeq(10), endSeq: SessionSeq(10) },
-      data: {
-        ...current.data, turn: 2, step: 1,
-        message: createMessage({
-          role: 'assistant', source: { kind: 'model', provider: 'mock', model: 'mock' },
-          content: [
-            ...current.data.message.content,
-            { type: 'tool-call', id: ToolCallId('old-only'), name: 'bash', arguments: '{}' },
-          ],
-        }),
-      },
-    })
-
-    expect(recovery.results().map(event => [event.data.message.toolCallId, event.data.turn, event.data.step]))
-      .toEqual([[ToolCallId('started'), 3, 2], [ToolCallId('pending'), 3, 2]])
-  })
 })
 
 const causes: OpenTurnCloseCause[] = [{ kind: 'interrupted' }, { kind: 'forked' }]
diff --git a/scripts/smoke-python-runtime.py b/scripts/smoke-python-runtime.py
index 53cc939707..e9ea2aefb9 100644
--- a/scripts/smoke-python-runtime.py
+++ b/scripts/smoke-python-runtime.py
@@ -2559,7 +2559,7 @@ def normalize_snapshot_value(
                 if isinstance(dt, list):
                     member["dt"] = [0] * len(dt)
     if isinstance(normalized.get("id"), str) and normalized.get("role") in ("assistant", "system", "user", "tool", "developer"):
-        # Released artifact validation binds unstarted-result ids to their call and event sequence.
+        # Replay fixtures retain deterministic repair ids with the call id and original event sequence.
         source = normalized.get("source")
         call_id = normalized.get("toolCallId") if normalized.get("role") == "tool" else (
             source.get("callId") if isinstance(source, dict) and source.get("kind") == "tool" else None