Coordination presets

# Coordination presets

(Light touch / Balanced / Aggressive / Market hours) are the high-level knob —
applying one writes concrete cadences onto every owner at once; advanced users then tune any individual
cycle or Position monitor. The `read-loop` query and the Schedule surface both show the one merged list, so
"what the expert watches, and when" is always a single legible picture. `everyNWeeks`
(fortnightly/monthly) rides on the same `ProgramSchedule` and is gated at fire time (cron can't express it).

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