fix research result handoff and synthesis provenance

tests/test_rest_research.py

@@ -334,7 +334,18 @@ def test_detail_endpoints_serialize_pipeline_uuid_identifiers(client: TestClient
             }
         ],
         evidence_scores=[{"claim_id": claim_id, "research_run_id": uuid4()}],
-        report={"summary": "Zusammenfassung", "findings": [], "methodology": "Methodik"},
+        report={
+            "summary": "Zusammenfassung",
+            "confident_findings": [
+                {
+                    "claim_text": "Eine überprüfbare Behauptung.",
+                    "confidence": 0.9,
+                    "source_id": source_id,
+                }
+            ],
+            "uncertain_areas": [],
+            "methodology": "Methodik",
+        },
     )
 
     sources = client.get(f"/v1/research/{research_id}/sources")
@@ -348,6 +359,8 @@ def test_detail_endpoints_serialize_pipeline_uuid_identifiers(client: TestClient
     assert claims.json()["claims"][0]["source_id"] == str(source_id)
     assert evidence.json()["evidence"][0]["claim_id"] == str(claim_id)
     assert report.json()["methodology"] == "Methodik"
+    assert report.json()["findings"][0]["text"] == "Eine überprüfbare Behauptung."
+    assert report.json()["findings"][0]["source_ids"] == [str(source_id)]
 
 
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