fix: 修正 logo 中 N 和 G 字母造型

N 添加对角线笔画（█▄ █），G 添加内横杠（█ ▀█），
避免与 O 字母造型雷同。同步更新 ui.ts 中的硬编码 wordmark。

.github/workflows/storybook.yml

@@ -0,0 +1,38 @@
+name: storybook
+
+on:
+  push:
+    branches: [dev]
+    paths:
+      - ".github/workflows/storybook.yml"
+      - "package.json"
+      - "bun.lock"
+      - "packages/storybook/**"
+      - "packages/ui/**"
+  pull_request:
+    branches: [dev]
+    paths:
+      - ".github/workflows/storybook.yml"
+      - "package.json"
+      - "bun.lock"
+      - "packages/storybook/**"
+      - "packages/ui/**"
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: storybook build
+    runs-on: blacksmith-4vcpu-ubuntu-2404
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+
+      - name: Setup Bun
+        uses: ./.github/actions/setup-bun
+
+      - name: Build Storybook
+        run: bun --cwd packages/storybook build