thalamus/idle.rs: pure state machine — activity tracking, EWMA,
timers, sleep/quiet/dream state, notifications. No tmux, no
Claude Code dependencies.
claude/idle.rs: wraps thalamus state via Deref, adds claude_pane
tracking, tmux prompt injection, dream nudges, context building.
The Claude-specific tick() loop stays here.
The consciousness binary can now use thalamus::idle::State directly,
fed by TUI key events instead of tmux pane scraping.
Co-Developed-By: Kent Overstreet <kent.overstreet@linux.dev>