feat: add card examples and speed up rtc connect

examples/cards/templates/todo-item-live/manifest.json

@@ -0,0 +1,23 @@
+{
+  "key": "todo-item-live",
+  "title": "Todo Item",
+  "notes": "Source-generated card for a single Home Assistant todo item. Do not use a live fetch URL. A card source script writes one card instance per todo uid and fills template_state with the current item fields plus source_id for refresh. The card completes the task by calling the Home Assistant HassListCompleteItem MCP tool with list_name and the task summary.",
+  "example_state": {
+    "source_id": "ha-todo-kacpers-to-do",
+    "entity_id": "todo.kacpers_to_do",
+    "list_name": "Kacper's To-Do",
+    "uid": "55be123e-1ef3-11f1-b5e6-001e06480aef",
+    "summary": "Get sneakers",
+    "complete_tool_name": "mcp_home_assistant_HassListCompleteItem",
+    "complete_item": "Get sneakers",
+    "status": "needs_action",
+    "completed": false,
+    "due": null,
+    "due_datetime": null,
+    "description": null,
+    "generated_at": "2026-03-13T16:03:26+00:00",
+    "can_complete": true
+  },
+  "created_at": "2026-03-13T00:00:00+00:00",
+  "updated_at": "2026-03-13T00:00:00+00:00"
+}