fix(obs): quote runtime autoheal action

templates/admin/host_health.html

@@ -99,7 +99,7 @@
               </div>
               <div class="runtime-actions">
                 {% if h.unhealthy_mark %}<span class="badge bg-warning">30 秒異常標記</span>{% endif %}
-                {% if h.unhealthy_mark or not h.healthy %}<button class="btn btn-sm btn-outline-danger" onclick="triggerAutoHeal({{ h.label|tojson }})"><i class="fas fa-band-aid me-1"></i>啟動自癒</button>{% endif %}
+                {% if h.unhealthy_mark or not h.healthy %}<button class="btn btn-sm btn-outline-danger" onclick='triggerAutoHeal({{ h.label|tojson }})'><i class="fas fa-band-aid me-1"></i>啟動自癒</button>{% endif %}
               </div>
             </div>
             {% endfor %}

tests/test_host_health_text_density_guardrails.py

@@ -38,6 +38,7 @@ def test_host_health_preserves_ai_runtime_workflows_and_non_raw_wording():
         "最近 10 筆事件",
         "最近 10 筆自癒",
         "啟動自癒",
+        "onclick='triggerAutoHeal({{ h.label|tojson }})'",
     ]:
         assert marker in template