Tiny Hotel Rooms from Key Types

INPUT: $ COUNTRY, optional $ ERA_OR_TRAVEL_STYLE // Build a hospitality potential field Φ across the 2×2 canvas. Φ = lodging_culture_field($ COUNTRY, $ ERA_OR_TRAVEL_STYLE) F = ∇Φ // guest movement, unpacking rituals, corridor flow Curl = ∇×Φ // brass key curves, key‐ring loops, luggage handle arcs Div = ∇·F // density of luggage, fabrics, lamps, travel ephemera // Select 4 lodging gates: LODGINGS = select_four_lodgings(Φ, gates=['urban','rural_nature','historic','unusual']) // Derive per lodging: // Room Architecture, Signature Furniture, Guest Ritual, View Outside, // Key Type (brass key / key card / wooden tag / numbered fob), // Material Palette, Time of Day. // Key Geometry Rule: // - Long brass key → corridor and room, with the key shaft as hallway and bow as bedroom niche. // - Large numbered fob → room platform, with the number as structural partition. // - Key card → ultra‐thin architectural cutaway, interior visible through transparent layers. // - Wooden tag → rustic floor and wall system, with the tag hole as window or doorway. // Interior: build complete micro‐room based on derived lodging type. // Guests: 1–2 miniature travelers performing the guest ritual. // Window: one opening reveals the inferred regional landscape. // Luggage: era‐ and lodging‐appropriate travel objects. // Clutter: exactly 5 meaningful objects suggesting recent arrival or imminent departure. // Lighting: premium hotel‐editorial, diegetic lamps as light sources. // Camera: 28mm, intimate architectural perspective, shallow DOF, slate‐gray seamless exterior. // Render 2×2 grid, each panel labeled [Lodging Type | Region | Country | Era].