feat(platform): surface canonical run correlation

apps/api/tests/test_awooop_operator_timeline_labels.py

@@ -56,6 +56,7 @@ from src.services.platform_operator_service import (
     _remediation_timeline_summary,
     _repair_candidate_projection_from_metadata,
     _run_callback_reply_summary,
+    _run_detail_payload,
     _run_list_item,
     _run_remediation_list_summary,
     _score_source_correlation_event,
@@ -618,6 +619,46 @@ def test_run_list_item_preserves_noncanonical_trace_truth(
     assert item["correlation_status"] == "legacy_or_invalid_trace"
 
 
+@pytest.mark.parametrize("trace_id", [canonical_traceparent(UUID("019f88d5-f6c9-7a18-b764-df0df0cbe222")), "legacy-trace", None])
+def test_run_list_and_detail_share_correlation_readback(
+    trace_id: str | None,
+) -> None:
+    run_id = UUID("019f88d5-f6c9-7a18-b764-df0df0cbe222")
+    run = SimpleNamespace(
+        run_id=run_id,
+        project_id="awoooi",
+        agent_id="legacy-signal-worker",
+        state="completed",
+        is_shadow=True,
+        trace_id=trace_id,
+        trigger_type="channel_event",
+        trigger_ref="event-1",
+        cost_usd=Decimal("0.0000"),
+        step_count=4,
+        attempt_count=1,
+        max_attempts=3,
+        error_code=None,
+        error_detail=None,
+        created_at=datetime(2026, 7, 22, 8, 0, 0),
+        started_at=datetime(2026, 7, 22, 8, 0, 1),
+        completed_at=datetime(2026, 7, 22, 8, 0, 2),
+        timeout_at=None,
+        heartbeat_at=datetime(2026, 7, 22, 8, 0, 2),
+    )
+
+    list_item = _run_list_item(
+        run,
+        remediation_summary=None,
+        callback_reply_summary=None,
+    )
+    detail = _run_detail_payload(run)
+
+    keys = ("trace_id", "work_item_id", "correlation_status")
+    assert {key: list_item[key] for key in keys} == {
+        key: detail[key] for key in keys
+    }
+
+
 def test_callback_reply_event_item_surfaces_run_link_and_human_flag() -> None:
     run_id = UUID("5c0306e0-591a-5445-9a33-80f499426b38")
     message_id = UUID("56cdb6ad-46a4-48f5-9d3b-b1ac9c0b2e92")