88073ac464
Generalizes host_disk to any reported storage target (dump/backup volume, data drive, thin pool, PBS). Per-(host,target) state, born/persistent, natural critical severity, distinct storage_fill_* events; excludes the root-backed builtin (host_disk owns root). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HxLA1mZurFq9kt8hneFeCs