Combat log clarity and connection reliability

DoT ticks in the combat log now show which skill caused them. "Rending Strike deals 13 damage" instead of the generic "poison deals X damage." When you have multiple bleeds and poisons ticking, you can finally tell them apart.

Regular fights now have a skip button to jump straight to the result. Boss fights still play out in full. Added player-vs-enemy color tinting to log entries so it's immediately obvious who is acting, and a skull icon on kill lines.

Fixed a bug where the Sign In button could hang indefinitely on a slow connection. It now times out and shows an error instead of spinning forever.