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

sdks/vscode/tsconfig.json

@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "module": "Node16",
+    "target": "ES2022",
+    "lib": ["ES2022"],
+    "sourceMap": true,
+    "rootDir": "src",
+    "typeRoots": ["./node_modules/@types"],
+    "strict": true /* enable all strict type-checking options */,
+    "skipLibCheck": true
+    /* Additional Checks */
+    // "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */
+    // "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */
+    // "noUnusedParameters": true,  /* Report errors on unused parameters. */
+  }
+}