Panels
Sheet sizes drive the BOM sheet estimate. Ids are permanent once referenced by plans or pricing.
Edge banding
Hardware SKUs
Pricing rules
How this shop prices. Totals are always computed by the engine, never the LLM.
LLM prompts
System prompts for extraction, layout generation and drawing zone-mapping. Saving stores an override next to the catalogs (hot-reloaded by API and worker); Reset restores the built-in default.