Valid release packages and interface polish

Fixes Universal ZIP upload validation by removing the protected config/.htaccess record from the update payload and manifest
Validates every declared manifest path against the updater allowlist during release QA
Keeps visited content links black and changes the footer text to Build with ❤️ Refined with AI.
Makes active and archived mission lists more compact, standardizes archived action buttons, and shortens the archive description
Keeps Available, Beta, Future, and Maintenance module badges; Future and Maintenance are visibly locked for regular users
Preserves Planner transport diagnostics, server-generated mapping routes, and the equal-size responsive System update panels
Supports direct updates from Betas 0.15 through 0.42.4