Solve time constraints

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Describe the proposed feature and how it helps to overcome a problem or limitation

Solve time constraints for a visual novel.

Other information about your context or usecase.

A visual novel needs to plan around events like in the test case of a concert.

If known, describe how your proposal will work, with code, pseudo-code, mock-ups, or diagrams

Implement time constraints.

Create a state variable whose value is an agenda of future events, and having actions that insert events into the agenda.

1. When objects of a resource type are created, relevant aspects of state are initialized by providing an optional
   second argument (also delimited by curly brackets and in the form of predicate = value). As new action tokens are
   inserted onto a resource timeline, the preconditions and effects of the corresponding actions will dictate how relevant
   aspects of state will change
2. A sync-constraints denotes that task1 must start immediately after task0 completes.
3. T-HTN borrows directly from PDDL 2.1, incorporating its :duration field and the temporal qualifiers (atstart, atend, overall) used in preconditions and effects into the action definition of HDDL.

Anything else

dananau/GTPyhop#1

For me I want to solve this problem here.

https://research.sabanciuniv.edu/id/eprint/39359/1/10294686_EmirArtar.pdf

Everyday there are three possible choices, and certain days have certain events.

https://www.ri.cmu.edu/app/uploads/2021/08/T_HTN__Timeline_Based_HTN_Planning_for_Multi_Agent_Systems.pdf

https://icaps22.icaps-conference.org/workshops/HPlan/papers/paper-09.pdf

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Some progress, but lost the monotonic time constraint. Need to debug.

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Lecture notes on time planning https://www.cs.umd.edu/users/nau/apa/slides/chap4.pdf