docs: add physical memory removal workbook and kernel overhaul plan
docs: reconcile three BIOS memory layouts and physical removal targets
docs: compare retail 5838 and main resident memory inventories
Document separate Complex and SpiritBoot BIOS size and layout references
Extend reference table lifetime and disjoint function ownership research
Detail owned allocation objects, exact tables and interrupt lifetimes
Expand resident page, object lifetime, and ROM evidence ledgers
Publish detailed resident memory comparison and measured function/table ledgers
Document merged FATX slots and independent contiguous retry repair
Document all kernel exports and compatibility edge contracts
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