refactor(hooks): remove unused PWA install and visibility hooks

refactor(package): remove deprecated dev:proxy script
fix(user): ensure user-auth-sync is exported in index

package.json

@@ -4,7 +4,6 @@
   "private": true,
   "scripts": {
     "dev": "next dev",
-    "dev:proxy": "HTTPS_PROXY=http://127.0.0.1:7891 next dev",
     "build": "next build",
     "start": "next start -p 9135",
     "build:start": "npm run build && npm run start",

src/hooks/index.ts

@@ -4,5 +4,3 @@
 
 export * from "./use-breakpoint";
 export * from "./use-pull-to-refresh";
-export * from "./use-pwa-install";
-export * from "./use-visibility";

src/hooks/use-pwa-install.ts

@@ -1,47 +0,0 @@
-"use client";
-/**
- * PWA Install 提示 hook
- *
- * 原始 Dart: `pwa_install` 包的 BeforeInstallPrompt 事件封装
- * （`lib/ui/chat/widgets/pwa_install_overlay.dart` + `pwa_install_dialog.dart`）。
- *
- * 浏览器 API：`beforeinstallprompt` 事件 → 用户触发 → 浏览器展示原生安装提示。
- *
- * 用法：
- *   const { canInstall, promptInstall } = usePwaInstall();
- *   if (canInstall) <button onClick={promptInstall}>Install</button>;
- */
-import { useEffect, useState } from "react";
-
-interface BeforeInstallPromptEvent extends Event {
-  prompt(): Promise<void>;
-  userChoice: Promise<{ outcome: "accepted" | "dismissed" }>;
-}
-
-export function usePwaInstall(): {
-  canInstall: boolean;
-  promptInstall: () => Promise<"accepted" | "dismissed" | "unavailable">;
-} {
-  const [deferred, setDeferred] = useState<BeforeInstallPromptEvent | null>(null);
-
-  useEffect(() => {
-    if (typeof window === "undefined") return;
-    const handler = (e: Event) => {
-      e.preventDefault();
-      setDeferred(e as BeforeInstallPromptEvent);
-    };
-    window.addEventListener("beforeinstallprompt", handler);
-    return () => window.removeEventListener("beforeinstallprompt", handler);
-  }, []);
-
-  return {
-    canInstall: deferred !== null,
-    promptInstall: async () => {
-      if (!deferred) return "unavailable";
-      await deferred.prompt();
-      const choice = await deferred.userChoice;
-      setDeferred(null);
-      return choice.outcome;
-    },
-  };
-}

src/hooks/use-visibility.ts

@@ -1,42 +0,0 @@
-"use client";
-/**
- * 元素全可见性 hook
- *
- * 原始 Dart: `visibility_detector` 包的 `VisibilityDetector`（chat_screen 用法：
- *   onVisibilityChanged: (info) { if (info.visibleFraction == 1.0) ... }）。
- *
- * 用 IntersectionObserver，threshold=1.0 触发 `isIntersecting` 即视为「完全可见」。
- * 返回 `[isVisible, ref]`，与 Flutter `VisibilityDetector` 的语义对齐。
- *
- * 用法：
- *   const [isVisible, ref] = useFullVisibility();
- *   useEffect(() => { dispatch(isVisible ? Visible() : Invisible()); }, [isVisible]);
- */
-import { useEffect, useRef, useState } from "react";
-
-export function useFullVisibility(
-  threshold = 1.0,
-): readonly [boolean, React.RefObject<HTMLDivElement | null>] {
-  const ref = useRef<HTMLDivElement | null>(null);
-  const [visible, setVisible] = useState(false);
-
-  useEffect(() => {
-    const el = ref.current;
-    if (!el || typeof IntersectionObserver === "undefined") return;
-
-    const observer = new IntersectionObserver(
-      (entries) => {
-        const entry = entries[0];
-        if (!entry) return;
-        setVisible(
-          entry.isIntersecting && entry.intersectionRatio >= threshold,
-        );
-      },
-      { threshold: [threshold] },
-    );
-    observer.observe(el);
-    return () => observer.disconnect();
-  }, [threshold]);
-
-  return [visible, ref] as const;
-}

src/stores/user/index.ts

@@ -2,6 +2,7 @@
  * @file Automatically generated by barrelsby.
  */
 
+export * from "./user-auth-sync";
 export * from "./user-context";
 export * from "./user-events";
 export * from "./user-machine.actors";