feat: Add google-genai & structured output

tests/api/test_jobs_api.py

@@ -101,3 +101,49 @@ async def test_get_all_jobs(client: AsyncClient):
     response = await client.get("/api/v1/jobs")
     assert response.status_code == 200
     assert isinstance(response.json(), list)
+
+
+async def test_upload_csv_new_anomalies(client: AsyncClient):
+    # ACC03 has Cafe transactions: 10 INR, 12 INR, 100 INR (median 12 INR, 3x median = 36 INR)
+    # ACC03 also has a domestic merchant 'Ola' in USD
+    csv_content = (
+        "txn_id,date,amount,merchant,currency,category,account\n"
+        "TX3001,2026-06-25,10.00,Cafe,INR,Food,ACC03\n"
+        "TX3002,2026-06-26,12.00,Cafe,INR,Food,ACC03\n"
+        "TX3003,2026-06-27,100.00,Cafe,INR,Food,ACC03\n"  # 3x median outlier (> 36)
+        "TX3004,2026-06-28,50.00,Ola cabs,USD,Travel,ACC03\n"  # Domestic in USD
+    )
+
+    files = {
+        "file": (
+            "transactions_new_anomalies.csv",
+            io.BytesIO(csv_content.encode("utf-8")),
+            "text/csv",
+        )
+    }
+
+    response = await client.post("/api/v1/jobs/upload", files=files)
+    assert response.status_code == 201
+    job_id = response.json()["id"]
+
+    # Retrieve status and verify anomalies count
+    status_response = await client.get(f"/api/v1/jobs/{job_id}/status")
+    assert status_response.status_code == 200
+    status_data = status_response.json()
+    assert status_data["summary"]["anomaly_count"] == 2  # TX3003 and TX3004
+
+    # Retrieve full results and verify reasons
+    results_response = await client.get(f"/api/v1/jobs/{job_id}/results")
+    assert results_response.status_code == 200
+    results_data = results_response.json()
+    txns = results_data["transactions"]
+
+    # TX3003 outlier check
+    outlier_txn = next(t for t in txns if t["txn_id"] == "TX3003")
+    assert outlier_txn["is_anomaly"] is True
+    assert "Statistical outlier" in outlier_txn["anomaly_reason"]
+
+    # TX3004 domestic in USD check
+    domestic_txn = next(t for t in txns if t["txn_id"] == "TX3004")
+    assert domestic_txn["is_anomaly"] is True
+    assert "Domestic brand transacted in USD" in domestic_txn["anomaly_reason"]