PRAGMA foreign_keys = ON;

CREATE TABLE users (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  username TEXT UNIQUE NOT NULL,
  password TEXT NOT NULL,
  role TEXT NOT NULL DEFAULT 'user'
);

CREATE TABLE posts (
  id INTEGER PRIMARY KEY AUTOINCREMENT,
  title TEXT,
  content TEXT,
  image_filename TEXT,
  metadata TEXT,
  author_id INTEGER,
  FOREIGN KEY(author_id) REFERENCES users(id)
);