add whole-house water system and cellar datacenter specifications with cross-document coordination updates
- Introduce a new water system specification covering point-of-entry reverse osmosis, 316L stainless steel distribution, leak detection, monitoring, and installation sequencing.
- Introduce a new home datacenter specification for a reinforced concrete cellar with racks, cooling, UPS, elevator, structured cabling, and commissioning requirements.
- Update existing air, automation, Baufritz coordination, flooring, and README documents to integrate water treatment, plumbing access strategy, cellar infrastructure, electrical sizing, and datacenter monitoring requirements.