v0.4.0

What's Changed

• chore: add standards-version marker to agent context files by @TMHSDigital in #9
• fix: paths-ignore should exclude agent files from release triggers by @TMHSDigital in #10
• feat: align with ecosystem standards v1.7.0 and add drift-check workflow by @TMHSDigital in #11
• feat: integrate release-doc-sync to keep release docs aligned by @TMHSDigital in #12

Full Changelog: v0.3.2...v0.4.0