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/generate.yml

@@ -0,0 +1,51 @@
+name: generate
+
+on:
+  push:
+    branches:
+      - dev
+
+jobs:
+  generate:
+    runs-on: blacksmith-4vcpu-ubuntu-2404
+    permissions:
+      contents: write
+      pull-requests: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4.3.1
+
+      - name: Setup Bun
+        uses: ./.github/actions/setup-bun
+
+      - name: Setup git committer
+        id: committer
+        uses: ./.github/actions/setup-git-committer
+        with:
+          opencode-app-id: ${{ vars.OPENCODE_APP_ID }}
+          opencode-app-secret: ${{ secrets.OPENCODE_APP_SECRET }}
+
+      - name: Generate
+        run: ./script/generate.ts
+
+      - name: Commit and push
+        run: |
+          if [ -z "$(git status --porcelain)" ]; then
+            echo "No changes to commit"
+            exit 0
+          fi
+          git add -A
+          git commit -m "chore: generate" --allow-empty
+          git push origin HEAD:${{ github.ref_name }} --no-verify
+          # if ! git push origin HEAD:${{ github.event.pull_request.head.ref || github.ref_name }} --no-verify; then
+          #   echo ""
+          #   echo "============================================"
+          #   echo "Failed to push generated code."
+          #   echo "Please run locally and push:"
+          #   echo ""
+          #   echo "  ./script/generate.ts"
+          #   echo "  git add -A && git commit -m \"chore: generate\" && git push"
+          #   echo ""
+          #   echo "============================================"
+          #   exit 1
+          # fi