同步更新：重构路由、服务模块，更新前端构建

db/email.py

@@ -0,0 +1,62 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+from __future__ import annotations
+
+import db_pool
+
+
+def get_user_by_email(email):
+    """根据邮箱获取用户"""
+    with db_pool.get_db() as conn:
+        cursor = conn.cursor()
+        cursor.execute("SELECT * FROM users WHERE email = ?", (email,))
+        user = cursor.fetchone()
+        return dict(user) if user else None
+
+
+def update_user_email(user_id, email, verified=False):
+    """更新用户邮箱"""
+    with db_pool.get_db() as conn:
+        cursor = conn.cursor()
+
+        cursor.execute(
+            """
+            UPDATE users
+            SET email = ?, email_verified = ?
+            WHERE id = ?
+            """,
+            (email, int(verified), user_id),
+        )
+        conn.commit()
+        return cursor.rowcount > 0
+
+
+def update_user_email_notify(user_id, enabled):
+    """更新用户邮件通知偏好"""
+    with db_pool.get_db() as conn:
+        cursor = conn.cursor()
+
+        cursor.execute(
+            """
+            UPDATE users
+            SET email_notify_enabled = ?
+            WHERE id = ?
+            """,
+            (int(enabled), user_id),
+        )
+        conn.commit()
+        return cursor.rowcount > 0
+
+
+def get_user_email_notify(user_id):
+    """获取用户邮件通知偏好（默认开启）"""
+    with db_pool.get_db() as conn:
+        cursor = conn.cursor()
+        try:
+            cursor.execute("SELECT email_notify_enabled FROM users WHERE id = ?", (user_id,))
+            row = cursor.fetchone()
+            if row is None:
+                return True
+            return bool(row[0]) if row[0] is not None else True
+        except Exception:
+            return True