fix: logo 右半部分从 CODING 改为 CODE

去掉难以正确渲染的 N 和 G 字母，右半部分简化为 CODE（4 字母），
与左半部分 AIR 组合为 AIR CODE。

packages/core/test/pty/input.test.ts

@@ -0,0 +1,19 @@
+import { describe, expect } from "bun:test"
+import { Effect } from "effect"
+import { handlePtyInput } from "@opencode-ai/core/pty/input"
+import { it } from "../lib/effect"
+
+describe("pty websocket input", () => {
+  it.effect("does not forward invalid binary frames to the PTY handler", () =>
+    Effect.gen(function* () {
+      const messages: Array<string | ArrayBuffer> = []
+      const handler = { onMessage: (message: string | ArrayBuffer) => messages.push(message) }
+
+      yield* handlePtyInput(handler, "ready")
+      yield* handlePtyInput(handler, new Uint8Array([0xff, 0xfe, 0xfd]))
+      yield* handlePtyInput(handler, new TextEncoder().encode("hello"))
+
+      expect(messages).toEqual(["ready", "hello"])
+    }),
+  )
+})