v0.5.0

Minor Changes

• 1f7e16c: Ten leaf helpers are published as ./lib/<stem> exports: cli-flags, fixture-symbols, git-env, npm-cli-executable, product-home, sandbox-exhaustion, source-text, walk-scope-declaration, walk-scope-discovery and worktree-resolution, moved from a11ign/a11ign with their tests (four worktree-resolution tests that exercise the core's caller stayed there). Epic a11ign/a11ign#4425, phase 3, row 1 of 5.