Move simulation history into profile

tests/simulation_history_test.gd

@@ -0,0 +1,19 @@
+extends SceneTree
+
+var failures := 0
+
+
+func _initialize() -> void:
+	var history = load("res://scripts/ui/simulation_history.gd")
+	_assert(history._action_for_state("completed") == "results", "completed simulations should open results")
+	_assert(history._action_for_state("block_active") == "resume", "active blocks should resume")
+	_assert(history._action_for_state("between_blocks") == "resume", "between-block simulations should resume")
+	_assert(history._action_for_state("abandoned") == "none", "abandoned simulations should be read-only")
+	quit(1 if failures > 0 else 0)
+
+
+func _assert(condition: bool, message: String) -> void:
+	if condition:
+		return
+	failures += 1
+	push_error(message)

tests/simulation_history_test.gd.uid

@@ -0,0 +1 @@
+uid://babu2x7xudmxc