Add an optional `chassis_u` field for shelf-mounted devices (their height in U where they stand on the shelf) and render it: - gen_rack draws each tower chassis_u U's tall, rising above the 1U shelf line; rail-mounted devices now paint on top so a PDU within a tower's span (e.g. pdu03 over srv05/06) stays visible - occupancy table shows each tower's real U-span (e.g. srv01 U37-U46) - validate_item checks chassis_u is a positive integer; absent chassis_u renders byte-identically to before - set chassis_u for srv01-07 (10/8/6/6/7/7/6U); document the field in the editing guide; regenerate rack01 artifacts Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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| hostname | kind | status | rack | rack_u | u_height | rack_face |
|---|---|---|---|---|---|---|
| shf02 | shelf | in-use | rack01 | 35 | 1 | both |
Notes
- 1U full-depth tray at U35. Tower PCs stand on it and rise above U35; they are not rail-mounted, so the U's above are not consumed in the rack model (e.g. pdu03 sits at U34, just above this shelf).
- Front: srv07 (6U, U30–U35), srv04 (6U, U30–U35).
- Rear: srv05 (7U, U29–U35), srv06 (7U, U29–U35).