v0.8.0-rc.1

What's Changed

• refactor(cc): polarity-aware codegen-knob stems + LLVM-shaped Ninja canary by @jleni in #430
• fix(cc): cache -Xclang-forwarded modeled codegen knobs (#428, -ffp-contract=off) by @jleni in #433
• fix(link): copy on Windows restore so consumers can delete/rewrite output (#429) by @jleni in #432
• build(windows): statically link the MSVC CRT (crt-static) by @emmanuelm41 in #434
• feat(link): ReFS block-clone restore on Windows + NTFS warning + hardlink opt-in by @jleni in #435
• fix(key): normalize rustc-env include paths under OUT_DIR (substrate cascade seed) by @jleni in #436
• ci(macos): pin self-hosted macOS jobs to the mac-mini runners by @jleni in #437
• fix(cc): restore bare -fansi-escape-codes classification (#438) by @jleni in #439
• test: raise product-code coverage above 90% by @jleni in #440
• bench(firefox): add Windows (clang-cl) scenario + dispatch job by @jleni in #444
• test(e2e): feature-coverage matrix + cc refusal scenarios by @jleni in #445
• feat(doctor): make daemon checks informational when daemon isn't needed (#443) by @emmanuelm41 in #448
• ci(windows): point runner-provisioning refs at the real ans-runners path by @emmanuelm41 in #449
• fix(cc): drop dependency-file flags from the cc cache key (cross-clone keyrace) by @jleni in #450
• ci(bench): serialize Linux bench arms (max-parallel: 1) — probe for #447 by @emmanuelm41 in #452
• ci(bench): drop max-parallel cap; rely on runner anti-affinity (#447) by @emmanuelm41 in #453
• test(bench): surface filtered TU-matching artifacts in the key-diff report by @jleni in #451
• test(e2e): cross-clone cascade fixtures + cc dep-info keytrace by @jleni in #454
• chore(release): bump version to 0.8.0-rc.1 by @emmanuelm41 in #455

Full Changelog: v0.7.0...v0.8.0-rc.1