refactor: Add JobSummary and Transaction models, client to get currency exchange rate

tests/repositories/test_job_repository.py

@@ -1,6 +1,9 @@
+from datetime import date
 import pytest
 from sqlalchemy.ext.asyncio import AsyncSession
 from app.repositories.job_repository import JobRepository
+from app.db.models.transaction import Transaction
+from app.db.models.job_summary import JobSummary
 
 # Set up asyncio marker
 pytestmark = pytest.mark.asyncio
@@ -22,36 +25,60 @@ async def test_create_and_get_job(db_session: AsyncSession):
     assert fetched_job.filename == "test_transactions.csv"
 
 
-async def test_update_job(db_session: AsyncSession):
+async def test_update_job_and_add_relations(db_session: AsyncSession):
     repo = JobRepository(db_session)
     job = await repo.create(filename="update_test.csv")
 
     # Update status and count
     updated = await repo.update(
-        job, status="completed", row_count=10, summary={"total": 100}
+        job, status="completed", row_count_raw=10, row_count_clean=8
     )
     assert updated.status == "completed"
-    assert updated.row_count == 10
-    assert updated.summary == {"total": 100}
+    assert updated.row_count_raw == 10
+    assert updated.row_count_clean == 8
+
+    # Create & add summary
+    summary = JobSummary(
+        job_id=job.id,
+        total_spend_inr=15000.0,
+        total_spend_usd=180.72,
+        top_merchants={"Merchant A": 100.0},
+        anomaly_count=1,
+        narrative="Good",
+        risk_level="Low",
+    )
+    await repo.add_summary(summary)
+
+    # Create & add transaction
+    txn = Transaction(
+        job_id=job.id,
+        txn_id="TX001",
+        date=date(2026, 6, 25),
+        merchant="Merchant A",
+        amount=100.0,
+        currency="USD",
+        status="cleaned",
+        is_anomaly=False,
+    )
+    await repo.add_transactions([txn])
 
     # Retrieve to verify persistence
     fetched = await repo.get_by_id(job.id)
     assert fetched.status == "completed"
-    assert fetched.row_count == 10
+    assert fetched.row_count_raw == 10
+    assert fetched.row_count_clean == 8
+    assert fetched.summary is not None
+    assert fetched.summary.total_spend_usd == 180.72
+    assert len(fetched.transactions) == 1
+    assert fetched.transactions[0].txn_id == "TX001"
 
 
 async def test_list_jobs(db_session: AsyncSession):
     repo = JobRepository(db_session)
 
-    # Clear existing if any
     await repo.create(filename="list_1.csv")
     await repo.create(filename="list_2.csv")
 
     jobs = await repo.list_all()
+    # At least the ones we created in this test session
     assert len(jobs) >= 2
-
-    pending_jobs = await repo.list_all(status="pending")
-    assert len(pending_jobs) >= 2
-
-    completed_jobs = await repo.list_all(status="completed")
-    assert len(completed_jobs) == 1  # From the update test above