Spine v3.57.0

What's Changed

🔧 Maintenance

• chore(ci): bump the github-actions group across 1 directory with 2 updates by @dependabot[bot] in #504

Other changes

• docs(claude): make the branch-first workflow explicit by @nrohilla-fibonacci in #524
• docs: develop is the default branch; main takes only the promotion PR by @ssmith-synaptixs in #525
• docs: correct the CLAUDE.md note on branch rulesets by @ssmith-synaptixs in #526
• fix(plugin): blast_radius, explain_symbol and docs_for count the matches they clip; say what touches is by @ssmith-synaptixs in #527
• fix(plugin): type the store parameters blast_radius could not see, and say it lists only typed callers by @ssmith-synaptixs in #528
• feat(plugin): blast_radius and explain_symbol report the calls the graph could not trace by @ssmith-synaptixs in #529
• fix(codeql): clear the two notes the B62 work added before the 3.57.0 promotion by @ssmith-synaptixs in #530
• fix(codeql): take the investigate_ticket blast_radius step out of the list by @ssmith-synaptixs in #531
• chore(release): cut 3.57.0 by @ssmith-synaptixs in #532
• Release 3.57.0: promote develop to main by @ssmith-synaptixs in #533

Full Changelog: v3.56.0...v3.57.0