Add timed craft queue and hangar

tests/test_manual_supply_route.gd

@@ -52,7 +52,8 @@ func _initialize() -> void:
 	game_state.extractors.clear()
 	game_state.rocks = 40
 	game_state.fleet_cargo = 0
-	game_state.vessels_owed.clear()
+	game_state.stored_vessels.clear()
+	game_state.build_time_scale = 0.02
 	game_state.unlocked = ["shipyards", "coordination", "wing", "squadron", "armada"]
 	scene = load("res://Main.tscn").instantiate()
 	root.add_child(scene)
@@ -161,20 +162,21 @@ func _process(delta: float) -> bool:
 			stage = 6
 			return false
 		6:
-			if elapsed < 0.5:
+			# Long enough for the build itself, which #23 made take time.
+			if elapsed < game_state.build_time(GameState.PRODUCT_SHIP) * 3.0:
 				return false
 			# --- 5. the queued order completed off the fleet's own ore ---
 			if game_state.pending_orders(crafter_id) != 0:
 				print("TEST_MANUAL_SUPPLY_ROUTE: FAIL (order still queued after a hand delivery)")
 				quit(1)
 				return true
-			if fleet.ships.size() != ships_before + 1:
-				print("TEST_MANUAL_SUPPLY_ROUTE: FAIL (no vessel: %d -> %d)" % [ships_before, fleet.ships.size()])
+			# Since #23 a finished vessel waits in the hangar rather than
+			# crewing itself, so this is where it lands.
+			if game_state.stored_vessels.size() != 1:
+				print("TEST_MANUAL_SUPPLY_ROUTE: FAIL (no vessel built: %d in the hangar)" % game_state.stored_vessels.size())
 				quit(1)
 				return true
-			print("queued order fulfilled by hand, no transport hub: ships %d->%d" % [
-				ships_before, fleet.ships.size()
-			])
+			print("queued order fulfilled by hand, no transport hub: %d vessel in the hangar" % game_state.stored_vessels.size())
 
 			# --- 6. conservation ----------------------------------------
 			var expected: int = total_before - GameState.SHIP_COST