feat: simplify assurance reports with progressive disclosure

packages/casan-harness/tests/local-viewer-tests.py

@@ -139,6 +139,15 @@ class LocalReportTests(unittest.TestCase):
         self.assertIn("<script>alert(1)</script>", html)
         self.assertIn("Machine-auditable contract", html)
 
+    def test_h6_html_visualizes_outcomes_and_hides_raw_contract(self):
+        self.write_run()
+        report = REPORT.h6_report(self.root, run="trace-1")
+        html = REPORT.report_html(report, "h6")
+        self.assertIn("Run distribution", html)
+        self.assertIn('class="distribution"', html)
+        self.assertIn("<details><summary>Open JSON evidence</summary>", html)
+        self.assertNotIn("None</strong>", html)
+
     def test_unsafe_trace_id_never_reads_outside_project(self):
         report = REPORT.run_report(self.root, "../../etc/passwd")
         self.assertEqual(report["verdict"], "not_found")