HA Declarative Entity Management

All HA automations, scenes, and scripts are defined in Nix under modules/services/hass/_domains/. A post-deploy sweep service removes anything not in the declared set.

Architecture

_lib.nix                       ← shared helpers (ensureEnabled)
_domains/                      ← domain files (Nix modules)
  ambient.nix                  ← lighting schedules, plant lights
  aranet.nix                   ← CO2 monitoring
  conversation.nix             ← voice intents
  lighting.nix                 ← adaptive lighting, AL sleep mode
  modes.nix                    ← DND, guest mode, everything_off script
  sleep/default.nix            ← bedtime flow, wake detection, 8Sleep sync
  tv.nix                       ← TV idle timer, sleep timer
  vacation.nix                 ← presence-based vacation mode