v1.5.1

Changes in v1.5.1:

• docs(release): record current package release
• test(ci): accept explicit artifact paths
• fix(ci): publish local npm artifact explicitly
• chore(release): bump version to 1.5.1
• fix: harden formatter and release workflow
• docs: extend Maintaining with release ritual, mirror rule, harness link
• docs: add Maintaining section with evidence-URL refresh ritual
• test: enforce evidence-URL freshness with offline gate and --update mode
• docs: document ignore anchoring, literals, dir globs; backtick-fence guarantee