Sharpen the gas bomb and the laser

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019AJMdB7iuHuLFZM1aBu3GD

tests/test_gas_bomber.gd

@@ -144,6 +144,12 @@ func _process(delta: float) -> bool:
 			main._handle_touch(release)
 			if not skill.projectile_active:
 				return _fail_now("release did not throw a gas bomb")
+			# #201 doubled the blast. Read off the bomb actually in flight, so
+			# a constant that stops reaching the effect fails here rather than
+			# passing on the strength of its own declaration.
+			if int(skill.projectiles[0].damage) != 6:
+				return _fail_now("gas bomb carries %d damage, expected the doubled 6" \
+					% int(skill.projectiles[0].damage))
 			elapsed = 0.0
 			stage = 1
 		1: