CREATE TABLE gear (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    category TEXT NOT NULL CHECK (category IN ('grinder', 'brewer')),
    make TEXT NOT NULL,
    model TEXT NOT NULL,
    notes TEXT,
    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
    updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
);

CREATE INDEX idx_gear_category ON gear(category);