OpenTUI is here (#2685)

packages/opencode/src/cli/cmd/tui/attach.ts

@@ -0,0 +1,22 @@
+import { cmd } from "../cmd"
+import { tui } from "./app"
+
+export const AttachCommand = cmd({
+  command: "attach <url>",
+  describe: "attach to a running opencode server",
+  builder: (yargs) =>
+    yargs
+      .positional("url", {
+        type: "string",
+        describe: "http://localhost:4096",
+        demandOption: true,
+      })
+      .option("dir", {
+        type: "string",
+        description: "directory to run in",
+      }),
+  handler: async (args) => {
+    if (args.dir) process.chdir(args.dir)
+    await tui(args)
+  },
+})