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

packages/desktop/tsconfig.json

@@ -0,0 +1,23 @@
+{
+  "compilerOptions": {
+    "target": "ESNext",
+    "module": "ESNext",
+    "skipLibCheck": true,
+    "moduleResolution": "bundler",
+    "allowSyntheticDefaultImports": true,
+    "esModuleInterop": true,
+    "jsx": "preserve",
+    "jsxImportSource": "solid-js",
+    "allowJs": true,
+    "resolveJsonModule": true,
+    "strict": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "emitDeclarationOnly": false,
+    "outDir": "node_modules/.ts-dist",
+    "types": ["vite/client", "node", "electron"]
+  },
+  "references": [{ "path": "../app" }],
+  "include": ["src", "package.json"],
+  "exclude": ["src/**/*.test.ts"]
+}