v0.9.0 user and session management improvement, xterm.js addons

internal/server/storage/schema.go

@@ -1,4 +1,3 @@
-// FILE: lixenwraith/chess/internal/server/storage/schema.go
 package storage
 
 import "time"
@@ -9,10 +8,20 @@ type UserRecord struct {
 	Username     string     `db:"username"`
 	Email        string     `db:"email"`
 	PasswordHash string     `db:"password_hash"`
+	AccountType  string     `db:"account_type"` // "permanent" or "temp"
 	CreatedAt    time.Time  `db:"created_at"`
+	ExpiresAt    *time.Time `db:"expires_at"` // nil for permanent
 	LastLoginAt  *time.Time `db:"last_login_at"`
 }
 
+// SessionRecord represents an active user session
+type SessionRecord struct {
+	SessionID string    `db:"session_id"`
+	UserID    string    `db:"user_id"`
+	CreatedAt time.Time `db:"created_at"`
+	ExpiresAt time.Time `db:"expires_at"`
+}
+
 // GameRecord represents a row in the games table
 type GameRecord struct {
 	GameID          string    `db:"game_id"`
@@ -35,7 +44,7 @@ type MoveRecord struct {
 	MoveNumber   int       `db:"move_number"`
 	MoveUCI      string    `db:"move_uci"`
 	FENAfterMove string    `db:"fen_after_move"`
-	PlayerColor  string    `db:"player_color"` // "w" or "b"
+	PlayerColor  string    `db:"player_color"`
 	MoveTimeUTC  time.Time `db:"move_time_utc"`
 }
 
@@ -46,14 +55,29 @@ CREATE TABLE IF NOT EXISTS users (
 	username TEXT UNIQUE NOT NULL COLLATE NOCASE,
 	email TEXT COLLATE NOCASE,
 	password_hash TEXT NOT NULL,
+	account_type TEXT NOT NULL DEFAULT 'temp' CHECK(account_type IN ('permanent', 'temp')),
 	created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	expires_at DATETIME,
 	last_login_at DATETIME
 );
 
 CREATE INDEX IF NOT EXISTS idx_users_username ON users(username);
 CREATE INDEX IF NOT EXISTS idx_users_email ON users(email);
+CREATE INDEX IF NOT EXISTS idx_users_account_type ON users(account_type);
+CREATE INDEX IF NOT EXISTS idx_users_expires_at ON users(expires_at);
 CREATE UNIQUE INDEX IF NOT EXISTS idx_users_email_unique ON users(email) WHERE email IS NOT NULL AND email != '';
 
+CREATE TABLE IF NOT EXISTS sessions (
+	session_id TEXT PRIMARY KEY,
+	user_id TEXT NOT NULL UNIQUE,
+	created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+	expires_at DATETIME NOT NULL,
+	FOREIGN KEY (user_id) REFERENCES users(user_id) ON DELETE CASCADE
+);
+
+CREATE INDEX IF NOT EXISTS idx_sessions_user_id ON sessions(user_id);
+CREATE INDEX IF NOT EXISTS idx_sessions_expires_at ON sessions(expires_at);
+
 CREATE TABLE IF NOT EXISTS games (
 	game_id TEXT PRIMARY KEY,
 	initial_fen TEXT NOT NULL,