feat: let admins manage model placement

tests/test_dashboard.py

@@ -100,6 +100,17 @@ def test_dashboard_allows_admin_to_request_selected_model_load():
     assert '$("request-model-load").style.display = enabled ? "" : "none"' in html
 
 
+def test_dashboard_exposes_admin_model_inventory_and_release_controls():
+    "Admin placement controls show the full model inventory and can release capacity."
+    html = _dashboard_html()
+
+    assert 'id="admin-model-placement"' in html
+    assert "renderAdminModelPlacement" in html
+    assert '"/v1/models/release"' in html
+    assert "requestAdminModelLoad" in html
+    assert "releaseAdminModel" in html
+
+
 def test_network_map_includes_node_friendly_name():
     "Network map includes node friendly name\n\nTags: dashboard, http"
     tracker = TrackerServer()