Step 6 implemented

tests/test_traceability.py

@@ -0,0 +1,61 @@
+"""Requirement-to-test traceability checks for MVP in-scope requirements."""
+
+from pathlib import Path
+
+import pytest
+
+MVP_REQUIREMENT_TEST_MAP: dict[str, list[str]] = {
+    "REQ-0": [
+        "tests/integration/test_pipeline_flow.py",
+    ],
+    "REQ-1": [
+        "tests/services/test_upload.py",
+        "tests/ui/test_upload_page.py",
+    ],
+    "REQ-2": [
+        "tests/services/test_worker.py",
+        "tests/integration/test_pipeline_flow.py",
+    ],
+    "REQ-3": [
+        "tests/services/test_worker.py",
+        "tests/ui/test_jobs_page.py",
+    ],
+    "REQ-4": [
+        "tests/services/test_worker.py",
+        "tests/integration/test_pipeline_flow.py",
+    ],
+    "REQ-5": [
+        "tests/ui/test_jobs_page.py",
+        "tests/ui/test_pages_registration.py",
+    ],
+    "REQ-6": [
+        "tests/test_app.py",
+        "tests/services/test_worker.py",
+    ],
+    "REQ-8": [
+        "tests/test_app.py",
+        "tests/test_config.py",
+    ],
+    "REQ-12": [
+        "tests/test_prompts.py",
+        "tests/services/test_transcription.py",
+    ],
+}
+
+
+@pytest.mark.integration
+class TestMvpRequirementTraceability:
+    """Verify MVP in-scope requirements are mapped to executable tests."""
+
+    def test_mvp_requirements_have_mapped_test_targets(self):
+        """Each MVP in-scope REQ id maps to at least one existing test path."""
+        project_root = Path(__file__).resolve().parents[1]
+
+        assert MVP_REQUIREMENT_TEST_MAP
+        for requirement_id, mapped_tests in MVP_REQUIREMENT_TEST_MAP.items():
+            assert requirement_id.startswith("REQ-")
+            assert mapped_tests, f"No mapped tests for {requirement_id}"
+
+            for relative_path in mapped_tests:
+                test_path = project_root / relative_path
+                assert test_path.exists(), f"Missing mapped test file for {requirement_id}: {relative_path}"