feat: 新增自动更新版本引导流程及相关配置调整

- 新增完整的upvp更新引导页面套件，涵盖版本展示、版本检查、测试协议确认与完成页流程
- 新增appVersion配置字段用于记录当前应用版本，调整配置文件存储路径与旧配置迁移逻辑
- 更新路由配置与全局状态管理以支持更新引导流程
- 更新自动更新计划文档与示例配置文件

src/pages/upvp/step-finish.tsx

@@ -0,0 +1,68 @@
+import { useEffect, useState } from "react";
+import { useRouteStore } from "@/stores/routeStore";
+import { useConfigStore } from "@/stores/configStore";
+import { VERSION } from "@/lib/version";
+import { compareVersions } from "@/api/update";
+import { UpvpLayout } from "./layout";
+import { AppleHelloEnglishEffect } from "@/components/ui/apple-hello-effect";
+
+/**
+ * 第四步（结束）：与 OOBE 结束页一致。
+ * 写入 appVersion 规则：
+ * - 程序版本 > appVersion（正常升级）→ 更新 appVersion 为当前版本号
+ * - 程序版本 < appVersion（版本倒退）→ 不修改，保持原样
+ */
+export function UpvpFinish() {
+  const navigate = useRouteStore((s) => s.navigate);
+  const appVersion = useConfigStore((s) => s.config.appVersion);
+  const setAppVersion = useConfigStore((s) => s.setAppVersion);
+
+  const [ready, setReady] = useState(false);
+  const [shouldWrite, setShouldWrite] = useState(false);
+
+  useEffect(() => {
+    let cancelled = false;
+    compareVersions(VERSION, appVersion)
+      .then((r) => {
+        if (cancelled) return;
+        // 仅版本倒退（a<b）保持原样；相等/无效也写入（无害，值为当前版本）
+        setShouldWrite(r.result !== "a<b");
+      })
+      .catch(() => {
+        if (!cancelled) setShouldWrite(true);
+      })
+      .finally(() => {
+        if (!cancelled) setReady(true);
+      });
+    return () => {
+      cancelled = true;
+    };
+  }, [appVersion]);
+
+  const handleFinish = () => {
+    if (shouldWrite) {
+      // 正常升级：记录当前版本到配置，下次启动程序版本与配置版本一致 → 正常进入主页
+      setAppVersion(VERSION);
+    }
+    // 版本倒退：不修改 appVersion，下次启动仍会进入 upvp 提醒
+    navigate("home");
+  };
+
+  return (
+    <UpvpLayout>
+      <div className="flex flex-col items-center gap-6">
+        <AppleHelloEnglishEffect className="text-foreground" />
+      </div>
+
+      <div className="absolute bottom-12">
+        <button
+          onClick={handleFinish}
+          disabled={!ready}
+          className="h-12 px-6 rounded-full bg-foreground/[0.06] hover:bg-foreground/[0.12] flex items-center justify-center text-foreground/60 hover:text-foreground transition-all duration-200 text-sm font-medium disabled:opacity-40 disabled:cursor-not-allowed"
+        >
+          前往首页
+        </button>
+      </div>
+    </UpvpLayout>
+  );
+}