Defence towers: arrow (piercing), cannon (splash + knockback), magic (mana, slow, chain); 3 levels, repair by imps, heroes attack towers; torture/temple room tools prepared

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

src/map.rs

@@ -48,10 +48,11 @@ pub enum Kind {
     Gate,
     Torture,
     Tower, // floor tile occupied by a defence tower (not walkable)
+    Temple,
 }
 
 // order matters for the packed savegame codec: only append new kinds
-const KINDS: [Kind; 14] = [
+const KINDS: [Kind; 15] = [
     Kind::Rock,
     Kind::Earth,
     Kind::Gold,
@@ -66,6 +67,7 @@ const KINDS: [Kind; 14] = [
     Kind::Gate,
     Kind::Torture,
     Kind::Tower,
+    Kind::Temple,
 ];
 
 #[derive(Clone, Copy, PartialEq, Eq, Debug, Serialize, Deserialize)]
@@ -115,7 +117,7 @@ impl Tile {
     pub fn walkable(&self) -> bool {
         matches!(
             self.kind,
-            Kind::Floor | Kind::Treasury | Kind::Lair | Kind::Farm | Kind::Training | Kind::Library | Kind::Portal | Kind::Gate | Kind::Torture
+            Kind::Floor | Kind::Treasury | Kind::Lair | Kind::Farm | Kind::Training | Kind::Library | Kind::Portal | Kind::Gate | Kind::Torture | Kind::Temple
         )
     }
 }