local frag = getgenv().fragESP
local out = {}
local cam = workspace.CurrentCamera
local old = cam.CameraType
cam.CameraType = Enum.CameraType.Scriptable
local target
for _, p in ipairs(game:GetService("Players"):GetChildren()) do
    if p ~= game:GetService("Players").LocalPlayer and p.Character and p.Character:FindFirstChild("HumanoidRootPart") then target = p end
end
if target then
    cam.CFrame = CFrame.lookAt(target.Character.HumanoidRootPart.Position + Vector3.new(0, 3, 20), target.Character.HumanoidRootPart.Position)
end
task.wait(0.5)
-- structure and counts
local sets = 0
for plrd, set in pairs(frag.holder:GetChildren()) do end
for _, v in ipairs(frag.holder:GetChildren()) do if v.Name == "LeftTop" then sets += 1 end end
out[#out+1] = "element sets (one per player): " .. sets .. " | children: " .. #frag.holder:GetChildren()
-- esp still working: boxes visible for on-screen players
local vis = 0
for _, v in ipairs(frag.holder:GetChildren()) do if v.Name == "LeftTop" and v.Visible then vis += 1 end end
out[#out+1] = "visible boxes right now: " .. vis
-- frame cost probe: time 200 UpdateSet calls worth of work via measuring heartbeat delta before/after? use fps
local function measure(seconds)
    local frames, t0 = 0, tick()
    local conn
    conn = game:GetService("RunService").Heartbeat:Connect(function() frames += 1 end)
    task.wait(seconds)
    conn:Disconnect()
    return frames / (tick() - t0)
end
local a = measure(1.5)
local b = measure(1.5)
out[#out+1] = string.format("fps samples: %.1f / %.1f (player count %d)", a, b, #game:GetService("Players"):GetChildren())
-- extents helper still functional and cached
local ext1 = frag.BodyExtents(target.Character)
local ext2 = frag.BodyExtents(target.Character)
out[#out+1] = "body extents: " .. tostring(ext1 and string.format("height %.2f", ext1.top.Y - ext1.bottom.Y)) .. " | second call ok: " .. tostring(ext2 ~= nil)
cam.CameraType = old
print("RESULTS: " .. table.concat(out, "\n"))