Runner DEV 0.0.3145 - Windows and Linux Full + Update

DEV-only full installers and update archives. Certified exact source SHA fc162a01d3e67644dcf5b8b44ed8809279dc5539. Windows DEV Full Setup.exe is INTENTIONALLY UNSIGNED and for development testing ONLY (Windows SmartScreen warnings may occur); never represent it as a trusted production installer. Linux native amd64/full and both Ed25519 update channels are validated before publication. No automatic installation.