- Add Where: header with zone description
- Add Location: line with quadrant and coordinates
- Add Nearby: line showing entities in viewport (not on player's tile)
- Add Exits: line showing available cardinal directions
- Replace 'Here:' with individual entity lines showing posture
- Replace 'Portals:' with individual 'You see {name}.' lines
- Add look <thing> routing to examine command
- Add comprehensive tests for new structured output
- Update existing tests to match new output format
