nixos-config/.sisyphus/notepads/dendritic-migration/decisions.md

• Do not include user aspects (e.g. den.aspects.cschmatzler) in host aspect includes. Den HM integration already applies the user aspect for each den.hosts.<system>.<host>.users.<user> via den.ctx.user; duplicating it via host includes leads to duplicated HM option merges (notably types.lines options like programs.nushell.extraConfig).