Candid Parisian Café Portrait Avec Silver Hair

A detailed prompt for generating a candid lifestyle portrait of a young woman with short silver-gray hair sitting at a classic Parisian café. It specifies her attire (cream blouse, beige trousers, trench coat), the setting (cobblestone street, Haussmann buildings), and technical details (natural daylight, warm neutral palette, shallow depth of field, 50mm lens look) for an editorial aesthetic.