feat: add autonomous fiscal completion v1

central/tests/test_evidence_aggregation.py

@@ -0,0 +1,38 @@
+from central.app.evidence_aggregation import Observation, aggregate_observations
+from scripts.analyze_inbound_observations import summarize_rows
+
+
+def test_two_suppliers_agree_without_conflict():
+    rows = [
+        Observation("P1", "origin", "0", "S1", "D1", "2026-01-01"),
+        Observation("P1", "origin", "0", "S2", "D2", "2026-02-01"),
+    ]
+
+    result = aggregate_observations(rows)[("P1", "origin")]
+
+    assert result["observation_count"] == 2
+    assert result["supplier_count"] == 2
+    assert result["agreement_rate"] == 1.0
+    assert result["strong_evidence"] is True
+    assert result["conflict_count"] == 0
+
+
+def test_supplier_disagreement_is_conflict_not_majority():
+    rows = [
+        Observation("P1", "origin", "0", "S1", "D1", "2026-01-01"),
+        Observation("P1", "origin", "0", "S2", "D2", "2026-02-01"),
+        Observation("P1", "origin", "1", "S3", "D3", "2026-03-01"),
+    ]
+
+    result = aggregate_observations(rows)[("P1", "origin")]
+
+    assert result["conflict_count"] == 1
+    assert result["strong_evidence"] is False
+    assert result["value"] is None
+
+
+def test_inbound_rows_become_supplier_observations_without_raw_identity():
+    result = summarize_rows([("P1", "S1", "2026-01-01", "12345678", "1102", "060")])
+
+    assert result["observation_count"] == 3
+    assert result["sources"] == ["SUPPLIER_OBSERVATION"]