Add transfer amounts and active gas vents

tests/_transfer_menu_preview.gd

@@ -27,4 +27,5 @@ func _ready() -> void:
 	bc.transfer_building_id = crafter_id
 	main.get_node("UI/TransferMenu").visible = true
 	bc._refresh_transfer()
+	bc.transfer_list._change_amount(GameState.RESOURCE_ORE, -1)
 	bc.transfer_status.text = "Moved 25 ore into this building"

tests/test_gas_system.gd

@@ -33,6 +33,23 @@ func _process(delta: float) -> bool:
 		if nearby_position.length() > WorldGen.CHUNK_SIZE * 2.0:
 			return _fail("nearby gas giant spawned too far away: %s" % nearby_position)
 
+		# Gas surfaces have vents only: no deferred ore pickups, and the vent
+		# emission advances continuously so the source visibly looks active.
+		game_state.planet_name = "Gas Test"
+		game_state.planet_type = "gas_giant"
+		var surface: Node = load("res://PlanetSurface.tscn").instantiate()
+		root.add_child(surface)
+		var rock_field: Node = surface.get_node("RockField")
+		var gas_field: Node = surface.get_node("GasVentField")
+		if not rock_field.rocks.is_empty() or rock_field.is_processing():
+			surface.free()
+			return _fail("gas surface spawned or continued processing ore rocks")
+		gas_field._process(0.5)
+		if gas_field.emission_phase <= 0.0:
+			surface.free()
+			return _fail("gas-source emission animation did not advance")
+		surface.free()
+
 		var found_giant: bool = false
 		for x in range(-12, 13):
 			for y in range(-12, 13):

tests/test_resource_transfer.gd

@@ -180,11 +180,22 @@ func _process(delta: float) -> bool:
 			# The handler working while the BUTTON is inert is the exact bug
 			# class this project keeps hitting, so one press goes the long way.
 			var bank_at_tap: int = game_state.rocks
-			_tap(scene.get_node("UI/TransferMenu/ResourceList/OreToFleetButton"))
+			var resource_list: Node = scene.get_node("UI/TransferMenu/ResourceList")
+			# Default is ALL. One minus selects 25, proving the amount control
+			# affects a real transfer rather than only changing its caption.
+			_tap(resource_list.get_node("OreDecreaseButton"))
+			_tap(resource_list.get_node("OreToFleetButton"))
+			_expect(game_state.fleet_cargo == mini(GameState.CARGO_LOAD_BATCH, bank_at_tap),
+				"selected 25 but the real tap loaded %d" % game_state.fleet_cargo)
+			_expect(game_state.rocks == bank_at_tap - game_state.fleet_cargo,
+				"the bank did not pay the selected transfer amount")
+			# Back to ALL and move the remainder, preserving the original
+			# end-to-end all-transfer coverage as well.
+			_tap(resource_list.get_node("OreIncreaseButton"))
+			_tap(resource_list.get_node("OreToFleetButton"))
 			_expect(game_state.fleet_cargo == bank_at_tap,
-				"a real tap did not load all banked ore")
-			_expect(game_state.rocks == 0,
-				"the bank did not pay for the tapped withdrawal")
+				"switching back to ALL did not load the remainder")
+			_expect(game_state.rocks == 0, "ALL left ore in the bank")
 
 			# --- 7. conservation ----------------------------------------
 			_expect(_total() == total_before,