Wild beasts: cave bears and giant beetles in dens, tamed when beaten while a prison has room

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

docs/ROADMAP.md

@@ -76,7 +76,9 @@ and loot), statistics (`src/stats.rs`: counters and a chart at the end of a game
 login; the menu page *Achievements*), room levels 2 and 3 (researched in the library once every tool is known:
 +25% per level, brighter, gold trim) and random events (`src/events.rs`: earthquake, lava or water over the
 banks, a new gold vein; every 8-12 minutes in free games and versus matches, switch in the game settings; the
-host's choice goes to every client with `"events"` in the create message).
+host's choice goes to every client with `"events"` in the create message) and wild beasts (`src/beasts.rs`:
+dens of cave bears and giant beetles in the caverns of bigger random maps; neutral like the dwarves; beaten while
+a prison has room, a beast gives in and joins).
 
 1. **Random events** – earthquake (tunnels cave in), lava eruption, flood, gold vein found. Rare
    (every 8–12 minutes), free play and multiplayer only, can be switched off in the menu; in