Seth/mac

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Mortdecai f99f1e2f88 docs: record hostname + design decisions and rejections

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

2026-09-15 18:55:36 -04:00

DECISIONS.md — mac Decision Log

Project-specific decisions. For global/cross-cutting decisions, see ~/bin/DECISIONS.md.

Format: YYYY-MM-DD: <decision> — <why>

Architecture

2026-09-15: Hostname mac — matches the short-lowercase machine naming (bebop, yoga); ssh mac alias already points at 192.168.0.94.
2026-09-15: Managed as Brewfile + idempotent scripts/setup.sh run over SSH from steel141 — seth is the console user so defaults write + killall Dock apply from SSH; GUI-only Tahoe toggles go in docs/manual-checklist.md.
2026-09-15: Backup = nightly launchd rsync (-a --delete) of ~/Music/Ableton + ~/Documents -> pve173:/tank/backups/mac/, with a ZFS snapshot cron on pve173 for history — rsync is transparent and Linux-familiar; the snapshot covers the --delete-mirrors-a-mistake weakness.

2026-09-15: Login shell = Homebrew bash 5 (/opt/homebrew/bin/bash) — Seth's steel141 shell is bash; Apple ships bash 3.2. zsh stays installed.
2026-09-15: GNU coreutils/findutils/sed/grep/tar on PATH via gnubin (unprefixed) — Linux muscle memory beats BSD-compat; if a Homebrew script trips on GNU sed, fix PATH order in ~/.bash_profile, don't prefix.
2026-09-15: Window snapping = Rectangle — zero config; AeroSpace is the upgrade if tiling turns out to matter.
2026-09-15: Spotlight indexing stays on, Siri/web suggestions off — Finder search is useful; Live's browser has its own index.
2026-09-15: iCloud account stays, iCloud Drive Desktop&Documents sync OFF — cloud sync mid-save is a DAW project killer.

2026-09-15: Cmd<->Ctrl global swap REJECTED — Live 12 and every Mac tutorial are Cmd-native; kitty already handles Ctrl+Shift+C/V. Karabiner per-app remaps are the fallback, not a global swap.
2026-09-15: yabai REJECTED — useful features need partial SIP disable. SIP/Gatekeeper/FileVault all stay on.
2026-09-15: Time Machine REJECTED — over SMB it's fragile and whole-disk; rsync + tank-side ZFS snapshot covers the actual need.
2026-09-15: Removing /System/Applications apps REJECTED — sealed system volume; hide from Dock instead.
2026-09-15: Samples/projects on the SMB share REJECTED — local disk only; SMB is a copy source. External SSD is the capacity upgrade path.