Exercise packaged runtime topology

tests/test_runtime_image_smoke.py

@@ -3,9 +3,11 @@ from __future__ import annotations
 import importlib.util
 import json
 from pathlib import Path
+import subprocess
 import sys
 import tempfile
 import unittest
+from unittest.mock import patch
 
 
 ROOT = Path(__file__).resolve().parents[1]
@@ -52,6 +54,28 @@ class RuntimeImageSmokeTests(unittest.TestCase):
             with self.assertRaisesRegex(MODULE.SmokeError, "exact sha256"):
                 MODULE.platform_image(path, "linux/arm64", "API")
 
+    def test_readiness_fails_immediately_when_container_exits(self) -> None:
+        exited = subprocess.CompletedProcess([], 0, "false\n", "")
+        logs = subprocess.CompletedProcess([], 0, "fatal startup error\n", "")
+        with patch.object(MODULE, "_run", side_effect=(exited, logs)):
+            with self.assertRaisesRegex(
+                MODULE.SmokeError,
+                "container exited before readiness: fatal startup error",
+            ):
+                MODULE._wait_for(
+                    "WebUI",
+                    lambda: self.fail("probe must not run for an exited container"),
+                    timeout=60,
+                    container="web",
+                )
+
+    def test_smoke_supplies_the_packaged_web_upstream_and_schema_contract(self) -> None:
+        source = SCRIPT.read_text(encoding="utf-8")
+
+        self.assertIn('"--network-alias",\n                "load-balancer"', source)
+        self.assertIn("'core_system_settings'", source)
+        self.assertIn("'core_runtime_nodes'", source)
+
 
 if __name__ == "__main__":
     unittest.main()