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ci: Support incremental and nightly mutation testing#63
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[WIP] Add support for incremental and nightly mutation testing
ci: Support incremental and nightly mutation testing
Nov 21, 2025
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Implements a two-tiered mutation testing strategy to balance CI speed with comprehensive coverage.
Changes
PR workflow: Runs incremental mutation testing on diff only via
cargo mutants --in-diff, reducing execution time from 90+ to 45 minutesfetch-depth: 0to checkout step to enable diff generation againstorigin/mainNightly workflow: Runs full mutation testing weekly (Mondays 5:30 AM UTC) or on-demand
Consistency: Both workflows use identical tooling versions (cargo-mutants 25.3.1, Rust 1.91, sccache v0.12.0)
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