Confirm Dessa Decor Art Beton black as the chosen dark wall material across all docs.

Document that dark decorative plaster cannot be kolered; use factory colors

Remove generated result artifact.

Break down purchases and technique per wall

Add TECHNIQUE.md with materials and application steps; remove old rust reference

Rework dark wall to cool graphite slate per new reference; mute terracotta

Rework shopping list and docs for black + terracotta 3-wall scheme

Add wall reference images and palette swatch examples to docs.

Update wall-only rust loft palette

fix:

Add kitchen loft decorative finish guide, palette, shopping and probes

irrigation

Expand humidification guide with models and HA integration

Expand lighting guide with PPFD/DLI and specific product models