Harden Jyotish runtime evidence gates

tests/test_interpretation_source_runtime_coverage.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+"""Regression tests for interpretation source runtime coverage report."""
+
+from __future__ import annotations
+
+import json
+import subprocess
+import sys
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+
+
+def test_interpretation_source_runtime_coverage_reports_machine_checkable_gap() -> None:
+    completed = subprocess.run(
+        [
+            sys.executable,
+            "scripts/interpretation_source_runtime_coverage.py",
+        ],
+        cwd=ROOT,
+        text=True,
+        capture_output=True,
+        timeout=120,
+        check=False,
+    )
+    assert completed.returncode == 0, completed.stderr or completed.stdout
+    report = json.loads(completed.stdout)
+    assert report["scope"] == "interpretation_source_runtime_coverage"
+    assert report["status"] == "partial"
+    assert report["source_pack_status"] == "used"
+    assert "dasha_timing_layer_used" in report["proven_runtime_markers"]
+    assert "references/open_source_sources/jyotishganit" in report["not_fully_closed"]
+    assert report["inventory_gate"]["status"] == "pass"