fix(tui): stabilize reload connection state

.opencode/plugins/sample-agent.ts

@@ -0,0 +1,16 @@
+export default {
+  id: "sample-agent-plugin",
+  setup: async (ctx) => {
+    await ctx.agent.transform((agents) => {
+      agents.update("sample-plugin-agent", (agent) => {
+        agent.description = "Example subagent registered by .opencode/plugins/sample-agent.ts"
+        agent.mode = "subagent"
+        agent.prompt = [
+          "You are the sample plugin agent for this repository.",
+          "Use this agent to verify that local plugin auto-discovery can add agents.",
+          "Keep responses concise and explain which plugin registered you when asked.",
+        ].join("\n")
+      })
+    })
+  },
+}