Fix #498: [Model] SequencingToMinimizeWeightedTardiness

[GiggleLiu]

Summary

Add the execution plan and implementation for SequencingToMinimizeWeightedTardiness.

Fixes #498

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.94%. Comparing base (d922f80) to head (a208d27).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #672   +/-   ##
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  Coverage   96.94%   96.94%           
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  Files         273      273           
  Lines       36505    36505           
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  Hits        35388    35388           
  Misses       1117     1117           

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[Copilot]

Pull request overview

Adds a new NP-complete scheduling model, SequencingToMinimizeWeightedTardiness (1 || Σ w_j T_j), and integrates it across the crate (exports, schema/variants, examples, CLI creation support, tests, and documentation/paper).

Changes:

• Introduces SequencingToMinimizeWeightedTardiness model with Lehmer-code encoding, schema registration, and declared default variant complexity.
• Adds unit tests + example-db fixture entry for the new model.
• Extends pred create CLI support (flags, examples, tests) and regenerates docs JSON + paper section/bibliography.

Reviewed changes

Copilot reviewed 14 out of 14 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/models/misc/sequencing_to_minimize_weighted_tardiness.rs	New problem model implementation + schema entry + variants + example-db spec + test wiring
src/models/misc/mod.rs	Registers and re-exports the new misc model; adds to example-db aggregation
src/models/mod.rs	Re-exports the new model at the top-level models module
src/lib.rs	Re-exports the new model in the public prelude
src/unit_tests/models/misc/sequencing_to_minimize_weighted_tardiness.rs	New model-focused unit tests (evaluation, invalid configs, solver, serialization)
src/unit_tests/trait_consistency.rs	Adds the new model to trait consistency checks
src/example_db/fixtures/examples.json	Adds a canonical example instance + sample/optimal configs
problemreductions-cli/src/commands/create.rs	Adds pred create SequencingToMinimizeWeightedTardiness parsing + example usage text
problemreductions-cli/src/cli.rs	Documents required flags for the new pred create problem type
problemreductions-cli/tests/cli_tests.rs	Adds CLI tests for successful creation, mismatch rejection, and help output
docs/src/reductions/problem_schemas.json	Adds generated schema entry for the new model
docs/src/reductions/reduction_graph.json	Adds generated graph node for the new model and reindexes affected edges
docs/paper/references.bib	Adds bibliography entries referenced by the new paper section
docs/paper/reductions.typ	Adds the paper definition + example/figure block for the new model

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