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/solid-router.tsx

@@ -0,0 +1,28 @@
+import type { ParentProps } from "solid-js"
+
+export function useParams() {
+  return {
+    dir: "c3Rvcnk=",
+    id: "story-session",
+  }
+}
+
+export function useNavigate() {
+  return () => undefined
+}
+
+export function useLocation() {
+  return {
+    pathname: "/story/session/story-session",
+    search: "",
+    hash: "",
+  }
+}
+
+export function MemoryRouter(props: ParentProps) {
+  return props.children
+}
+
+export function Route(props: ParentProps) {
+  return props.children
+}