perf: reuse logging locks and cache source paths - #416
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…wned-handlers-and-forc' into enhancement/381-20261003-perf-lifecycle-logging-costs-107-us-record-about-20x-stdlib
…wned-handlers-and-forc' into enhancement/381-20261003-perf-lifecycle-logging-costs-107-us-record-about-20x-stdlib
…wned-handlers-and-forc' into enhancement/381-20261003-perf-lifecycle-logging-costs-107-us-record-about-20x-stdlib
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Persistent logging now reuses its private sidecar descriptor and caches human-log source paths per invocation. Repeated source paths avoid filesystem resolution, forked children reopen their lock descriptor, and sidecar failures use logging's error handler so commands can complete.
Fixes #381.
Branch maintenance
Refs #426. Targets the branch for #415. Retarget and refresh after that parent is squash-merged; preserve the ordered stack.
The branch was refreshed without rewriting history to include
mainata576cc279739eae5e4cfc33ffab2a7fb56de24de.Current-head validation
At
66ce2689a0b5859ad25927aaa9274c7a4ff5ab19: uv lock freshness and baseline, runtime, strict typing, style, and contracts passed locally with all declared extras. Runtime result: 616 passed, 1 warning, 262 subtests passed in 8.57s.Hosted checks: 7/7 required checks passed; 0 checks pending; 0 unsuccessful checks at 2026-10-04T14:19:40.760978+00:00. See the PR Checks tab and #426 for subsequent results.