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

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

server/migrations/20240101000002_relay_nodes.sql

@@ -0,0 +1,17 @@
+-- Relay server nodes registry
+CREATE TABLE relay_nodes (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    name VARCHAR(64) NOT NULL,
+    url TEXT NOT NULL UNIQUE,
+    region VARCHAR(32) NOT NULL DEFAULT 'auto',
+    is_active BOOLEAN NOT NULL DEFAULT TRUE,
+    priority INTEGER NOT NULL DEFAULT 0,
+    last_ping_ms INTEGER,                     -- measured RTT in ms
+    last_checked_at TIMESTAMPTZ,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+-- Seed with official relay nodes
+INSERT INTO relay_nodes (name, url, region, priority) VALUES 
+    ('官方节点 - 主线路', 'funmc.com:7900', 'auto', 100),
+    ('官方节点 - 备用线路', 'funmc.com:7901', 'auto', 50);