Orders: attack (fighting creatures nearby go for an enemy or enemy tower) and guard (up to three creatures hold a room for two minutes); right click with an order tool cancels

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

src/research.rs

@@ -43,7 +43,7 @@ pub const RESEARCH: &[(usize, f32)] = &[
 ];
 
 // known from the start in free play
-pub const BASE_TOOLS: &[usize] = &[0, 1, 2, 3, 4, 6, 7, 8, 9, 14, 17, 20];
+pub const BASE_TOOLS: &[usize] = &[0, 1, 2, 3, 4, 6, 7, 8, 9, 14, 17, 20, 45, 46];
 
 // campaign: what the next missions bring may be researched early
 const LOOKAHEAD: usize = 4;