rules: build-artifact hygiene, attestation gates, and stale-artifact pruning - #9
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Local And Hosted Validation gains three policies distilled from the tenferro-rs/tensor4all-rs build-size comparison: default profiles carry no full debug info (opt-in debug variants instead), CI-owned measurements may be gated locally by explicit attestation, and stale-artifact pruning must be documented. rust/performance.md adds the concrete Cargo profile shape (dev/test debug=0 with assertions kept, release line-tables-only with a release-debug variant, CI strip=symbols) and the rev-churn orphan warning. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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Local target/ reached 14 GB, 12 GB of it release artifacts, because [profile.release] carried debug = true while repository policy runs the normal verification suite in release mode. Release now uses line-tables-only, which keeps file:line RUST_BACKTRACE output; a new release-debug profile inherits release with full debug info for debugger sessions. dev/test pin debug = 0 while keeping debug assertions and overflow checks, matching the shared build-artifact hygiene rule (tensor4all/tensor4all-agent-rules#9) and tenferro-rs practice. Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
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Summary
Adds shared policy for a failure mode observed this week: tenferro-rs keeps local builds lean (
debug = 0dev/test,[profile.ci]withstrip = "symbols") as repository practice, but the practice was never shared, and tensor4all-rs independently adopted the opposite ([profile.release] debug = trueplus release-mode-tests-by-default), producing a 14 GBtarget/(12 GB release, including 7 orphaned feature/rev variants of one rlib totaling 596 MB).rules/common/docs-and-tests.md(Local And Hosted Validation):check-pr-fast.sh --coverage-reviewedpattern).rules/rust/performance.md(new section Build Profiles And Target Hygiene): the concrete Cargo shape of the above.Enforcement split (discussed in session): prose policy here; per-repo checks in each repository's scripts; periodic verification belongs to the planned single private audit-bot repository (tracked separately).
No index.md changes, so this does not conflict with #8.
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