feat: 品牌替换 + 启动优化 + AGENTS.md 模板定制

- 品牌替换：OpenCode/opencode → AirCoding/aircoding（16+ 文件）
- Logo ASCII art：修复 left/right 行数不匹配导致的启动崩溃
- 启动诊断：添加 OPENCODE_PRINT_TIMING 计时探针
- dev 模式默认 --pure 跳过外部插件加载
- AGENTS.md 模板：追加 AirCoding 多 Agent 专项段落
- architect prompt + plugin：强化 AGENTS.md 产出验证

.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