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/enterprise/script/scrap.ts

@@ -0,0 +1,15 @@
+import { Storage } from "../src/core/storage"
+
+// read share id from args
+const args = process.argv.slice(2)
+if (args.length !== 1) {
+  console.error("Usage: bun script/scrap.ts <shareID>")
+  process.exit(1)
+}
+const shareID = args[0]
+
+await Storage.remove(["share", shareID])
+const list = await Storage.list({ prefix: ["share_data", shareID] })
+for (const item of list) {
+  await Storage.remove(item)
+}