Adaptive routing initial version

tests/test_adaptive_integration.py

@@ -4,6 +4,7 @@ Integration coverage for the adaptive routing workplan flow.
 
 from datetime import datetime, timezone
 
+from examples.adaptive_routing_fixture_batch import populate_ledger
 from llm_connect.adapter import MockLLMAdapter
 from llm_connect.quality import QualityLedger, QualityObservation
 from llm_connect.routing import AdaptiveRoutingPolicy, RoutingRule
@@ -88,3 +89,21 @@ def test_adaptive_policy_converges_to_cheapest_qualifying_adapter(tmp_path):
     )
 
     assert policy.resolve("summarize", quality_floor=0.8) is cheap
+
+
+def test_fixture_batch_populates_three_candidate_observations_per_task(tmp_path):
+    ledger = QualityLedger(tmp_path / "quality.jsonl")
+
+    populate_ledger(ledger)
+
+    observations = ledger.read_all()
+    by_task_type: dict[str, set[str]] = {}
+    for observation in observations:
+        by_task_type.setdefault(observation.task_type, set()).add(observation.adapter_id)
+
+    assert set(by_task_type) == {
+        "summarize-source",
+        "extract-relations",
+        "evaluate-entity",
+    }
+    assert all(len(adapter_ids) == 3 for adapter_ids in by_task_type.values())