-- Rebuild using a CLONED module so Studio's require() cache is bypassed.
-- Without this, require() returns the version compiled at first-require,
-- which silently rebuilds the OLD map (symptom: PAOffRamp/PAOnRamp parts
-- that exist nowhere in the current source).
local sss = game:GetService("ServerScriptService")
local ss = game:GetService("ServerStorage")
local ws = game:GetService("Workspace")

local realMod = sss:FindFirstChild("MapBuilder", true)
if not realMod then
	return "MapBuilder not found"
end

local bust = ss:FindFirstChild("_cachebust")
if not bust then
	bust = Instance.new("Folder")
	bust.Name = "_cachebust"
	bust.Parent = ss
end
for _, ch in ipairs(bust:GetChildren()) do
	ch:Destroy()
end

local clone = realMod:Clone()
clone.Name = "MapBuilder_fresh_" .. tostring(math.random(1e6, 9e6))
clone.Parent = bust

local mb = require(clone)

local old = ws:FindFirstChild("Map")
if old then
	old:Destroy()
end

local ok, err = pcall(function()
	mb.build()
end)
if not ok then
	return "BUILD ERROR: " .. tostring(err)
end

local map = ws:FindFirstChild("Map")
if not map then
	return "no Map after build"
end

local total, entry, exit = 0, 0, 0
for _, d in ipairs(map:GetDescendants()) do
	if d:IsA("BasePart") then
		total += 1
		if d.Name:find("PAEntryRamp") then
			entry += 1
		elseif d.Name:find("PAExitRamp") then
			exit += 1
		end
	end
end
return ("srcLen=%d parts=%d PAEntryRamp=%d PAExitRamp=%d"):format(#clone.Source, total, entry, exit)