Release v4.6.2-beta.1

What's Changed

• fix(channels): restore exact URL checkbox state (b8f6ffc7)
• fix(release): generate notes from git history (fc73c424)
• fix(update): unify release checks and avoid GitHub API (4327f142)
• docs(update): sync release check documentation (83d81a55)
• chore: rename release skill to ccload-release (a932d3c9)
• feat(release): auto-commit and push release revisions (8cd2d88a)
• fix(release): keep Beta versions on stable minor (addde3d0)

Full Changelog: v4.6.0...v4.6.2-beta.1