CREATE TABLE settings ( key TEXT PRIMARY KEY, value TEXT NOT NULL, kind TEXT CHECK(kind IN ('int', 'string', 'bool', 'json', 'glob')) NOT NULL ); INSERT INTO settings (key, value, kind) VALUES ('schema-version', '1', 'int'); CREATE TABLE links ( id INTEGER PRIMARY KEY, url TEXT NOT NULL, title TEXT NOT NULL, created_at TEXT NOT NULL, updated_at TEXT, is_private BOOLEAN NOT NULL DEFAULT 0 ); CREATE INDEX idx_links_created_at ON links(created_at); CREATE INDEX idx_links_url ON links(url);