CREATE TABLE IF NOT EXISTS mail_preferences (
    id INTEGER PRIMARY KEY CHECK (id = 1),
    messages_per_page INTEGER NOT NULL DEFAULT 50,
    mark_read_delay_ms INTEGER NOT NULL DEFAULT 0,
    remote_images TEXT NOT NULL DEFAULT 'ask',
    preferred_body TEXT NOT NULL DEFAULT 'auto',
    thread_mode TEXT NOT NULL DEFAULT 'threaded',
    collapse_quotes INTEGER NOT NULL DEFAULT 1,
    show_snippets INTEGER NOT NULL DEFAULT 1,
    default_sort TEXT NOT NULL DEFAULT 'date_desc',
    updated_at TEXT NOT NULL DEFAULT (datetime('now'))
);

INSERT OR IGNORE INTO mail_preferences (id) VALUES (1);