feat: add card examples and speed up rtc connect

examples/cards/instances/live-litellm-ups-usage/card.json

@@ -0,0 +1,18 @@
+{
+  "id": "live-litellm-ups-usage",
+  "kind": "text",
+  "title": "LiteLLM + UPS Usage",
+  "content": "",
+  "question": "",
+  "choices": [],
+  "response_value": "",
+  "slot": "live-litellm-ups-usage",
+  "lane": "context",
+  "priority": 48,
+  "state": "active",
+  "template_key": "litellm-ups-usage-live",
+  "context_summary": "LiteLLM token usage and UPS energy usage for the last 24 hours and current month.",
+  "chat_id": "web",
+  "created_at": "2026-03-11T23:05:00+00:00",
+  "updated_at": "2026-03-11T23:05:00+00:00"
+}

examples/cards/instances/live-litellm-ups-usage/state.json

@@ -0,0 +1,8 @@
+{
+  "subtitle": "GLM local usage",
+  "tool_name_24h": "exec",
+  "tool_arguments_24h": {
+    "command": "python3 $HOME/.nanobot/workspace/litellm_ups_price_per_token.py --24h"
+  },
+  "refresh_ms": 900000
+}