Move all omarchy runtime state (themes, backgrounds, current theme)
from ~/.config/omarchy/current to ~/.local/state/omarchy/current
to keep the config dir free of generated files. Add mise task for
recreating symlinks and update credential helpers for tea.
Extract monitors, functions, rules, env vars, and onstart into
separate files. Add toggle_pin, toggle_master_scrolling, and
layout-aware keybinds for scrolling layout.