diff --git a/samples/pilot/industrial-rfq.csv b/samples/pilot/industrial-rfq.csv
new file mode 100644
index 0000000..c59459d
--- /dev/null
+++ b/samples/pilot/industrial-rfq.csv
@@ -0,0 +1,5 @@
+name,currency,price,lead_time_weeks,payment_days
+Alpha Components,EUR,118400,6,30
+Bravo Industrial,EUR,111900,9,45
+Crest Manufacturing,EUR,124800,5,60
+Delta Engineering,EUR,108500,12,15
diff --git a/tests/test_pilot_golden.py b/tests/test_pilot_golden.py
new file mode 100644
index 0000000..e3af244
--- /dev/null
+++ b/tests/test_pilot_golden.py
@@ -0,0 +1,93 @@
+import csv
+import tempfile
+import unittest
+from pathlib import Path
+
+from openpyxl import load_workbook
+
+import main as rfqdiff
+
+
+PILOT_FIXTURE = (
+    Path(__file__).resolve().parents[1] / "samples" / "pilot" / "industrial-rfq.csv"
+)
+PILOT_SHA256 = "c0627382a79415ec0daf90335d28d9a1b906366aae60e90b5c463d5f02982ed8"
+
+
+class PilotGoldenIntegrationTests(unittest.TestCase):
+    def test_sanitized_industrial_rfq_pipeline_is_stable(self) -> None:
+        quotes = rfqdiff.load_quotes(PILOT_FIXTURE)
+        currency = rfqdiff.validate_currencies(quotes)
+        scored = rfqdiff.score_quotes(quotes)
+        payload = rfqdiff.build_result(scored, currency)
+
+        self.assertEqual(currency, "EUR")
+        self.assertEqual(
+            [supplier["name"] for supplier in scored],
+            [
+                "Crest Manufacturing",
+                "Alpha Components",
+                "Bravo Industrial",
+                "Delta Engineering",
+            ],
+        )
+        self.assertEqual(payload["recommended_supplier"], "Crest Manufacturing")
+        self.assertEqual(payload["decision_summary"]["runner_up"], {"name": "Alpha Components", "score": 80.8})
+        self.assertEqual(payload["decision_summary"]["score_margin"], 12.7)
+        self.assertEqual(
+            payload["decision_explanation"]["criterion_leaders"],
+            {
+                "price": "Delta Engineering",
+                "lead_time": "Crest Manufacturing",
+                "payment_terms": "Crest Manufacturing",
+            },
+        )
+        self.assertEqual(
+            payload["decision_explanation"]["winner_score_breakdown"],
+            {"price": 43.5, "lead_time": 30.0, "payment_terms": 20.0},
+        )
+
+        for row_number, quote in enumerate(quotes, start=2):
+            self.assertEqual(quote["rfqdiff_source"]["file"], "industrial-rfq.csv")
+            self.assertEqual(quote["rfqdiff_source"]["format"], "csv")
+            self.assertEqual(quote["rfqdiff_source"]["sha256"], PILOT_SHA256)
+            self.assertEqual(quote["rfqdiff_source"]["row"], row_number)
+
+    def test_pilot_payload_exports_reviewable_csv_and_xlsx_reports(self) -> None:
+        quotes = rfqdiff.load_quotes(PILOT_FIXTURE)
+        currency = rfqdiff.validate_currencies(quotes)
+        payload = rfqdiff.build_result(rfqdiff.score_quotes(quotes), currency)
+
+        with tempfile.TemporaryDirectory() as directory:
+            directory_path = Path(directory)
+            csv_path = directory_path / "comparison.csv"
+            xlsx_path = directory_path / "comparison.xlsx"
+            rfqdiff.write_report(payload, csv_path)
+            rfqdiff.write_report(payload, xlsx_path)
+
+            with csv_path.open("r", encoding="utf-8", newline="") as file:
+                rows = list(csv.DictReader(file))
+
+            self.assertEqual(rows[0]["name"], "Crest Manufacturing")
+            self.assertEqual(rows[0]["recommended"], "True")
+            self.assertEqual(rows[0]["score"], "93.5")
+            self.assertEqual(rows[0]["source_file"], "industrial-rfq.csv")
+            self.assertEqual(rows[0]["source_sha256"], PILOT_SHA256)
+
+            workbook = load_workbook(xlsx_path, read_only=True, data_only=True)
+            try:
+                self.assertEqual(workbook.sheetnames, ["Comparison", "Summary"])
+                comparison = workbook["Comparison"]
+                summary = workbook["Summary"]
+                self.assertEqual(comparison["C2"].value, "Crest Manufacturing")
+                self.assertEqual(comparison["B2"].value, True)
+                self.assertEqual(comparison["H2"].value, 93.5)
+                self.assertEqual(summary["B2"].value, "Crest Manufacturing")
+                self.assertEqual(summary["B3"].value, "Alpha Components")
+                self.assertEqual(summary["C4"].value, 12.7)
+            finally:
+                workbook.close()
+
+
+if __name__ == "__main__":
+    unittest.main()