Initial commit: FunConnect project with server, relay, client and admin panel

Co-authored-by: Cursor <cursoragent@cursor.com>

client/migrations/sqlite/20240101000001_local_data.sql

@@ -0,0 +1,68 @@
+-- FunMC 客户端本地数据库
+-- 用于存储本地缓存和设置
+
+-- 用户会话信息缓存
+CREATE TABLE IF NOT EXISTS user_session (
+    id INTEGER PRIMARY KEY CHECK (id = 1),
+    user_id TEXT NOT NULL,
+    username TEXT NOT NULL,
+    email TEXT NOT NULL,
+    avatar_seed TEXT NOT NULL,
+    access_token TEXT NOT NULL,
+    refresh_token TEXT NOT NULL,
+    server_url TEXT NOT NULL DEFAULT 'https://funmc.com',
+    created_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now'))
+);
+
+-- 最近加入的房间缓存
+CREATE TABLE IF NOT EXISTS recent_rooms (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    room_id TEXT NOT NULL UNIQUE,
+    room_name TEXT NOT NULL,
+    owner_username TEXT NOT NULL,
+    game_version TEXT NOT NULL DEFAULT '1.20',
+    last_joined_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now'))
+);
+
+-- 好友缓存（用于离线显示）
+CREATE TABLE IF NOT EXISTS friends_cache (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id TEXT NOT NULL UNIQUE,
+    username TEXT NOT NULL,
+    avatar_seed TEXT NOT NULL,
+    is_online INTEGER NOT NULL DEFAULT 0,
+    cached_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now'))
+);
+
+-- 应用设置
+CREATE TABLE IF NOT EXISTS app_settings (
+    key TEXT PRIMARY KEY NOT NULL,
+    value TEXT NOT NULL,
+    updated_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now'))
+);
+
+-- 连接历史记录
+CREATE TABLE IF NOT EXISTS connection_history (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    room_id TEXT NOT NULL,
+    room_name TEXT NOT NULL,
+    session_type TEXT NOT NULL CHECK (session_type IN ('p2p', 'relay')),
+    local_port INTEGER NOT NULL,
+    bytes_sent INTEGER NOT NULL DEFAULT 0,
+    bytes_received INTEGER NOT NULL DEFAULT 0,
+    latency_ms INTEGER,
+    started_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now')),
+    ended_at INTEGER
+);
+
+-- 中继节点延迟缓存
+CREATE TABLE IF NOT EXISTS relay_latency_cache (
+    node_url TEXT PRIMARY KEY NOT NULL,
+    node_name TEXT NOT NULL,
+    latency_ms INTEGER NOT NULL,
+    tested_at INTEGER NOT NULL DEFAULT (strftime('%s', 'now'))
+);
+
+-- 索引
+CREATE INDEX IF NOT EXISTS idx_recent_rooms_last_joined ON recent_rooms(last_joined_at DESC);
+CREATE INDEX IF NOT EXISTS idx_connection_history_started ON connection_history(started_at DESC);