Add CodeNomad plugin bridge for opencode

packages/opencode-config/plugin/codenomad.ts

@@ -0,0 +1,35 @@
+import { createCodeNomadClient, getCodeNomadConfig } from "./lib/client"
+
+export async function CodeNomadPlugin() {
+  const config = getCodeNomadConfig()
+  const client = createCodeNomadClient(config)
+
+  await client.startEvents((event) => {
+    if (event.type === "codenomad.ping") {
+      void client.postEvent({
+        type: "codenomad.pong",
+        properties: {
+          ts: Date.now(),
+          pingTs: (event.properties as any)?.ts,
+        },
+      }).catch(() => {})
+    }
+  })
+
+  return {
+    async event(input: { event: any }) {
+      const opencodeEvent = input?.event
+      if (!opencodeEvent || typeof opencodeEvent !== "object") return
+
+      if (opencodeEvent.type === "session.idle") {
+        const sessionID = (opencodeEvent as any).properties?.sessionID
+        void client.postEvent({
+          type: "opencode.session.idle",
+          properties: {
+            sessionID,
+          },
+        }).catch(() => {})
+      }
+    },
+  }
+}