AVX Sorter v0.4.0

v0.4.0 Patch Notes

• Added a first-run legal acceptance gate (EULA, Privacy Policy, Terms) before authentication.
• Kept authentication key-only, using KeyAuth license validation flow.
• Enforced active session checks across protected app actions.
• Added authenticated-session badge in Dashboard UI.
• Refined installer branding assets for a cleaner customer-facing setup experience.