chore: establish project baseline

agent/tests/test_runner_mapping.py

@@ -0,0 +1,7 @@
+from gti_fiscal_agent.runner import to_hub_product
+
+
+def test_reference_schema_uses_classificacao_fiscal_as_canonical_ncm():
+    product = {"CODIGO": "000276", "PRODUTO": "ABACAXI M/ JARRA", "NCM": "99999999", "CLASSIFICACAO_FISCAL": "08043000"}
+
+    assert to_hub_product(product)["current_ncm"] == "08043000"