-- 001_init.sql
-- Initial schema for users and sessions

CREATE TABLE IF NOT EXISTS users (
    id INTEGER PRIMARY KEY,
    username TEXT NOT NULL UNIQUE,
    password_hash TEXT NOT NULL,
    created_at DATETIME DEFAULT CURRENT_TIMESTAMP
);

CREATE TABLE IF NOT EXISTS sessions (
    token TEXT PRIMARY KEY,
    user_id INTEGER NOT NULL,
    expires_at DATETIME NOT NULL,
    FOREIGN KEY(user_id) REFERENCES users(id)
);