Why now
Commodity models can interpret intent, while a transparent constraint engine can own the scheduling decisions users need to trust.
Public spend signal$19–$29 per seat monthly on annual billingView source
AI work planning
A deterministic open planner that turns tasks, calendars, and constraints into a realistic day.
Why now
The opening wedge
Local-first tasks, Google and Microsoft calendar sync, explainable rescheduling, and optional bring-your-own model keys.
Open-source position
No clearly mature and focused open-source equivalent surfaced in the research review.
Hard truth
Calendar edge cases, mobile polish, and loss of trust after one bad automatic reschedule.
Recommended move