P07-01-WX: 仕上がった天候の機能の受入：自然天候・雨・嵐・世界樹と成人客のマナ霧・上部の表示と予報・保存と移行（マナ炉の産出 120 を除く。P07-01 の補助の作業。原単位への加算 0）

tests/helpers/p07_weather_restart_fixture.gd

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+extends RefCounted
+
+## P07-01 F7: the fixture and minute script shared by the restart writer
+## (tests/environment/test_p07_weather_restart_1_write.gd) and reader
+## (tests/environment/test_p07_weather_restart_2_read.gd), which run as separate
+## engine processes. Seed 1106 opens day 0 with rain 06:00-12:00 (A13), a guest
+## due at 06:02 is held to 10:02, production arrivals run, and day 1 draws at 06:00.
+const HANDOFF_PATH := "res://artifacts/p07-01/restart-handoff.json"
+const HANDOFF_SCHEMA := "p07-01-restart-handoff-v1"
+const WRITER_SOURCE := "res://tests/environment/test_p07_weather_restart_1_write.gd"
+const WRITER_SAVE := "user://p07_restart_write/minute_%d"
+const READER_SAVE := "user://p07_restart_read/minute_%d"
+const SEED := 1106
+const FIRST_MINUTE := 360
+# Mid-rain, just before and just after the rain end, just before and just after the day 1 draw.
+const SAVE_MINUTES: Array[int] = [500, 719, 720, 1799, 1800]
+const LAST_MINUTE := 1830
+const DRAW_MINUTES: Array[int] = [1800]
+const HELD_GUEST := &"p07_restart_guest"
+
+var _expect: Callable
+
+
+func _init(expect: Callable) -> void:
+	_expect = expect
+
+
+func new_fixture(with_guest := true) -> Dictionary:
+	var clock: Variant = load("res://autoload/game_clock.gd").new()
+	var state: Variant = load("res://autoload/game_state.gd").new()
+	var runtime: Variant = load("res://autoload/simulation_runtime.gd").new()
+	clock.reset(1, 6, 0)
+	state.reset()
+	_expect.call(bool(runtime.initialize(clock, state, SEED).get(&"valid", false)), "fixture Runtime initializes")
+	clock.set_paused(true)
+	runtime.configure_save_policy({&"enabled": false, &"daily_checkpoint_enabled": false})
+	_expect.call(bool(runtime.enable_production_operations().get(&"ok", false)), "fixture enables production Operations")
+	var fixture := {&"clock": clock, &"state": state, &"runtime": runtime, &"draws": {&"count": 0}}
+	if with_guest:
+		var result: CommandResult = runtime.submit_command(&"spawn_guest", {
+			&"guest_id": HELD_GUEST,
+			&"guest_type_id": &"traveler",
+			&"gold": 100,
+			&"options": {
+				&"current_cell": Vector3i(0, 0, WorldService.LAYER_FRONT),
+				&"needs": {&"hunger": 10, &"sleep": 10, &"hygiene": 10, &"medical": 0, &"leisure": 10, &"intimacy": 0},
+				&"planned_exit_at": 362,
+			},
+		}, &"world", HELD_GUEST, 10, -1, &"p07.restart.guest")
+		_expect.call(result.is_success(), "fixture spawns the guest due at 06:02")
+	watch_draws(fixture)
+	return fixture
+
+
+func watch_draws(fixture: Dictionary) -> void:
+	var draws: Dictionary = fixture[&"draws"]
+	fixture[&"runtime"].domain_events.subscribe(&"WEATHER_FORECAST_DRAWN", &"p07_restart",
+		func(_event: SimulationDomainEvent) -> void: draws[&"count"] += 1)
+
+
+func free_fixture(fixture: Dictionary) -> void:
+	for key: StringName in [&"runtime", &"clock", &"state"]:
+		if fixture.get(key) != null and is_instance_valid(fixture[key]):
+			fixture[key].free()
+
+
+## Advances one minute at a time after `after_minute` through `through_minute`
+## and calls `on_minute` after each minute (the writer saves there).
+func play(fixture: Dictionary, after_minute: int, through_minute: int, on_minute: Callable) -> void:
+	var clock: Variant = fixture[&"clock"]
+	_expect.call(clock.absolute_minute == after_minute, "play starts at minute %d" % after_minute)
+	for minute: int in range(after_minute + 1, through_minute + 1):
+		clock.advance_minutes(1)
+		if on_minute.is_valid():
+			on_minute.call(minute)
+
+
+## The weather-facing state compared across processes: weather and its stream,
+## guest plans, the reserve flow and the arrival totals.
+func state_value(runtime: Variant) -> Dictionary:
+	var plans := {}
+	for guest: GuestRuntime in runtime.guest_service.get_guests():
+		plans[String(guest.guest_id)] = guest.planned_exit_at
+	var arrivals := 0
+	for report: Dictionary in runtime.operations_coordinator.get_arrival_reports():
+		arrivals += int(report[&"total_count"])
+	return {
+		"minute": runtime.weather.get_minute(),
+		"weather": runtime.weather.create_snapshot(),
+		"stream": runtime.get_rng_stream(&"weather").snapshot(),
+		"plans": plans,
+		"reserve_flow": runtime.mana_reserve.get_last_flow(),
+		"arrivals": arrivals,
+	}
+
+
+func state_bytes(runtime: Variant) -> PackedByteArray:
+	return var_to_bytes(state_value(runtime))
+
+
+static func sha256(bytes: PackedByteArray) -> String:
+	var context := HashingContext.new()
+	context.start(HashingContext.HASH_SHA256)
+	context.update(bytes)
+	return context.finish().hex_encode()