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/storybook/.storybook/mocks/app/context/permission.ts

@@ -0,0 +1,24 @@
+const accepted = new Set<string>()
+
+function key(sessionID: string, directory?: string) {
+  return `${directory ?? ""}:${sessionID}`
+}
+
+export function usePermission() {
+  return {
+    autoResponds() {
+      return false
+    },
+    isAutoAccepting(sessionID: string, directory?: string) {
+      return accepted.has(key(sessionID, directory))
+    },
+    toggleAutoAccept(sessionID: string, directory?: string) {
+      const next = key(sessionID, directory)
+      if (accepted.has(next)) {
+        accepted.delete(next)
+        return
+      }
+      accepted.add(next)
+    },
+  }
+}