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/tui/src/feature-plugins/sidebar/mcp.tsx

@@ -0,0 +1,97 @@
+import type { TuiPlugin, TuiPluginApi } from "@opencode-ai/plugin/tui"
+import type { BuiltinTuiPlugin } from "../builtins"
+import { createMemo, For, Match, Show, Switch, createSignal } from "solid-js"
+
+const id = "internal:sidebar-mcp"
+
+function View(props: { api: TuiPluginApi }) {
+  const [open, setOpen] = createSignal(true)
+  const theme = () => props.api.theme.current
+  const list = createMemo(() => props.api.state.mcp())
+  const on = createMemo(() => list().filter((item) => item.status === "connected").length)
+  const bad = createMemo(
+    () =>
+      list().filter(
+        (item) =>
+          item.status === "failed" || item.status === "needs_auth" || item.status === "needs_client_registration",
+      ).length,
+  )
+
+  const dot = (status: string) => {
+    if (status === "connected") return theme().success
+    if (status === "failed") return theme().error
+    if (status === "disabled") return theme().textMuted
+    if (status === "needs_auth") return theme().warning
+    if (status === "needs_client_registration") return theme().error
+    return theme().textMuted
+  }
+
+  return (
+    <Show when={list().length > 0}>
+      <box>
+        <box flexDirection="row" gap={1} onMouseDown={() => list().length > 2 && setOpen((x) => !x)}>
+          <Show when={list().length > 2}>
+            <text fg={theme().text}>{open() ? "▼" : "▶"}</text>
+          </Show>
+          <text fg={theme().text}>
+            <b>MCP</b>
+            <Show when={!open()}>
+              <span style={{ fg: theme().textMuted }}>
+                {" "}
+                ({on()} active{bad() > 0 ? `, ${bad()} error${bad() > 1 ? "s" : ""}` : ""})
+              </span>
+            </Show>
+          </text>
+        </box>
+        <Show when={list().length <= 2 || open()}>
+          <For each={list()}>
+            {(item) => (
+              <box flexDirection="row" gap={1}>
+                <text
+                  flexShrink={0}
+                  style={{
+                    fg: dot(item.status),
+                  }}
+                >
+                  •
+                </text>
+                <text fg={theme().text} wrapMode="word">
+                  {item.name}{" "}
+                  <span style={{ fg: theme().textMuted }}>
+                    <Switch fallback={item.status}>
+                      <Match when={item.status === "connected"}>Connected</Match>
+                      <Match when={item.status === "failed"}>
+                        <i>{item.error}</i>
+                      </Match>
+                      <Match when={item.status === "disabled"}>Disabled</Match>
+                      <Match when={item.status === "needs_auth"}>Needs auth</Match>
+                      <Match when={item.status === "needs_client_registration"}>Needs client ID</Match>
+                    </Switch>
+                  </span>
+                </text>
+              </box>
+            )}
+          </For>
+        </Show>
+      </box>
+    </Show>
+  )
+}
+
+const tui: TuiPlugin = async (api) => {
+  api.slots.register({
+    order: 200,
+    slots: {
+      sidebar_content() {
+        return <View api={api} />
+      },
+    },
+  })
+}
+
+const plugin: BuiltinTuiPlugin = {
+  id,
+  tui,
+}
+
+export default plugin