Design a hotel domain model covering room types and rooms, guests, a half-open date-range value object, the reservation lifecycle, room assignment, check-in/out, and a charges folio, while preventing overlapping bookings on the same room.
Design a hotel management system: guests reserve a room type for a date range, the hotel assigns a specific room, and the stay goes through check-in and check-out while charges accumulate on a folio. No two stays on the same room may overlap. Start by clarifying scope and the core objects.
Work in the provided coding workspace while explaining your decisions to the live interviewer. Validation may use inline tests, examples, comments, or a verbal walkthrough.
Practice this problem in the live coding workspace while the interviewer probes your clarification, implementation, trade-offs, and validation.
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