"make a wolf appear and chase the player for 10 seconds when the player says wolf, the wolf kills the player after the 10 seconds. make sure the wolf can't fall. add detailed comments, explanation and instructions"

-- server script (ServerScriptService) 
-- Create a function to spawn a wolf
local function spawnWolf(player)
    local wolf = game.ServerStorage.Wolf:Clone() -- Make sure you have a wolf model in ServerStorage
    wolf.Parent = game.Workspace
    wolf.HumanoidRootPart.CFrame = player.Character.HumanoidRootPart.CFrame * CFrame.new(0, 0, -5) -- Spawn the wolf behind the player
    wolf.HumanoidRootPart.Anchored = true -- Make sure the wolf doesn't fall
    return wolf
end

-- Create a function to make the wolf chase the player
local function chasePlayer(wolf, player)
    local pfs = game:GetService("PathfindingService")
    local path = pfs:CreatePath()
    local waypoints = {}

while true do
        path:ComputeAsync(wolf.HumanoidRootPart.Position, player.Character.HumanoidRootPart.Position)
        waypoints = path:GetWaypoints()

for _, waypoint in ipairs(waypoints) do
            wolf.Humanoid:MoveTo(waypoint.Position)
            wolf.Humanoid.MoveToFinished:Wait()
        end
        wait(1)
    end
end

-- Create a function to handle the chat command
local function onPlayerChatted(player, message)
    if message:lower() == "wolf" then
        local wolf = spawnWolf(player)
        local chaseCoroutine = coroutine.create(chasePlayer)
        coroutine.resume(chaseCoroutine, wolf, player)
        wait(10)
        wolf.Humanoid.Health = 0
        player.Character.Humanoid.Health = 0
    end
end

-- Connect the chat event to the function
game.Players.PlayerAdded:Connect(function(player)
    player.Chatted:Connect(function(message)
        onPlayerChatted(player, message)
    end)
end)

-- Instructions to set up the wolf model in Roblox Studio:
1. Create a new model in Roblox Studio and name it "Wolf".
2. Add a Humanoid and a HumanoidRootPart to the model.
3. Customize the appearance of the wolf as desired.
4. Add a script to the wolf model with the following code to prevent it from falling:
    local wolf = script.Parent
    wolf.HumanoidRootPart.Anchored = true
5. Save the wolf model to ServerStorage.