Implement production vertical slice foundation

game/domain/dive/ejection_snapshot.gd

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+class_name EjectionSnapshot
+extends RefCounted
+
+var held_seconds: float
+var required_seconds: float
+var ratio: float
+
+
+func _init(p_held_seconds: float, p_required_seconds: float) -> void:
+	held_seconds = p_held_seconds
+	required_seconds = p_required_seconds
+	ratio = clampf(held_seconds / required_seconds, 0.0, 1.0) if required_seconds > 0.0 else 0.0