Feat/priority locomotive dispatcher#408
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Introduce a central LocomotiveDispatcher that assigns locomotives to tasks based on configurable, dynamic priorities. Priorities react to current track fill levels, replacing the implicit FIFO allocation. Key additions: - TaskPriorityConfig domain model with base priority, rules, and hold_until - LocomotiveDispatcher service with priority queue and eligibility gating - task_priorities configuration in scenario.json - hold_until condition to suppress wasteful small-batch trips - All four coordinators wired to use dispatcher when configured - Fallback to direct FIFO allocation when task_priorities is not set Also adds track_type_fill_factors to scenario.json for per-type max fill levels (separate from per-track fillfactor overrides in tracks.json). Includes example scenario (ten_trains_two_days_priority_dispatch) and updated tutorial documentation.
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Summary
Allow priority definition of locos. Before it is buried down in the code. Now
the user can set it more easily. Its now part of the scenario.json allowing
to define also fill levels of the source and target track .
Related Issues/Tickets
None
Type of Change
How Has This Been Tested?
Pytest and shipped test scenario
Checklist
uv run ruff format . && uv run ruff check .)uv run pytest)Additional Notes