Mount Cortex OS Runtime Health as WebUI panel

tests/unit/test_cortex_os_runtime_health_static.py

@@ -22,6 +22,18 @@ def test_runtime_health_display_has_no_hidden_write_surface():
         "localStorage",
         "sessionStorage",
         "document.cookie",
+        "indexedDB",
+        "caches",
+        "navigator.sendBeacon",
+        "WebSocket",
+        "EventSource",
+        "BroadcastChannel",
+        "SharedWorker",
+        "ServiceWorker",
+        "window.open",
+        "eval(",
+        "new Function",
+        "innerHTML",
         "<form",
         ".submit(",
         "POST",
@@ -43,3 +55,15 @@ def test_runtime_health_css_is_scoped_to_panel():
     assert ".cortex-os-runtime-health" in css
     assert "body {" not in css
     assert "#app" not in css
+
+
+def test_runtime_health_mounts_only_in_cortex_os_panel_context():
+    js = JS.read_text(encoding="utf-8")
+
+    assert 'window.addEventListener("svrnty:panel-switch", handlePanelSwitch)' in js
+    assert 'detail.name === "cortex-os"' in js
+    assert 'document.querySelector("main.main")' in js
+    assert "document.body" not in js
+    assert 'document.addEventListener("DOMContentLoaded", loadRuntimeHealth' not in js
+    assert "loadRuntimeHealth();" in js
+    assert js.count("/api/cortex-os/runtime-health") == 1

tests/unit/test_svrnty_nav_js.py

@@ -23,3 +23,11 @@ def test_canvas_tab_is_registered():
     src = NAV_JS.read_text()
     assert '{ id: "canvas"' in src
     assert "svrnty-showing-\" + id" in src
+
+
+def test_cortex_os_tab_is_registered_once():
+    src = NAV_JS.read_text()
+    assert src.count('id: "cortex-os"') == 1
+    assert '"cortex-os":' in src
+    for tab_id in ['id: "adwright"', 'id: "bte"', 'id: "canvas"']:
+        assert tab_id in src