"Write an R15 ragdoll death script while keeping the original player together"

-- server script 
local function onCharacterAdded(character)
    local humanoid = character:WaitForChild("Humanoid")
    
    local function onDied()
        local joints = {}
        for _, part in ipairs(character:GetChildren()) do
            if part:IsA("BasePart") then
                for _, joint in ipairs(part:GetChildren()) do
                    if joint:IsA("JointInstance") then
                        table.insert(joints, joint)
                        joint:Destroy()
                    end
                end
            end
        end
        
        wait(2) -- ragdoll time
        
        -- restore joints
        for _, joint in ipairs(joints) do
            joint.Parent = joint.Part0
        end
        
        -- respawn character
        character:Destroy()
        game.Players:GetPlayerFromCharacter(character):LoadCharacter()
    end
    
    humanoid.Died:Connect(onDied)
end

game.Players.PlayerAdded:Connect(function(player)
    player.CharacterAdded:Connect(onCharacterAdded)
    if player.Character then
        onCharacterAdded(player.Character)
    end
end)