From the text you linked under Sunblade ''The sword’s luminous blade emits bright light in a 15-*‐‑foot radius and dim light for an additional 15 feet. The light is sunlight'' So it clearly states Sunlight not bright light ??
From the text you linked under Sunblade ''The sword’s luminous blade emits bright light in a 15-*‐‑foot radius and dim light for an additional 15 feet. The light is sunlight'' So it clearly states Sunlight not bright light ??