refactor: JSON data column for findings, code snippets captured and displayed

tests/test_harvester.py

@@ -43,6 +43,12 @@ async def test_harvest_new_package(db_session, guarddog_normalized_flagged):
         .all()
     )
     assert len(findings) == 3
+    rules = {f.data["rule"] for f in findings}
+    assert "shady-links" in rules
+    # Check code is preserved
+    for f in findings:
+        if f.data["rule"] == "shady-links":
+            assert f.data["code"] == "url = 'http://evil.com'"
 
 
 @pytest.mark.asyncio