-- Named metadata only. No pool/list/UI/save mutation.
do
 local function capture()
  if _G.__GAC_GACHA_ITEM_DATA_PROBE then return end
  local flags=CS.System.Enum.ToObject(typeof(CS.System.Reflection.BindingFlags),60)
  local manager=CS.RPG.Client.GlobalVars.s_GamePhaseManager
  local phase=manager and typeof(CS.RPG.Client.GamePhaseManager):GetField('_CurrentPhase',flags):GetValue(manager)
  if not phase or typeof(CS.RPG.Client.BattleGamePhase):IsInstanceOfType(phase) then return end
  local module=CS.RPG.Client.GlobalVars.s_ModuleManager.GachaModule
  local pools=module and module:GetSortedGachaPoolDatas()
  if not pools or pools.Count==0 then return end
  _G.__GAC_GACHA_ITEM_DATA_PROBE=true
  local log=function(value)CS.UnityEngine.Debug.Log('[GAC_GACHA_ITEM_DATA] '..tostring(value))end
  local base=pools[0]:GetType()
  while base and base.FullName~='RPG.Client.BaseGachaPoolData' do base=base.BaseType end
  if not base then error('named pool base absent') end
  local item_type=base:GetField('<PrizeItemDatas>k__BackingField',flags).FieldType:GetElementType()
  log('TYPE '..item_type.FullName)
  local fs=item_type:GetFields(flags)
  for i=0,math.min(fs.Length-1,47) do local f=fs[i];if not f.IsStatic then log('FIELD '..f.Name..' '..f.FieldType.FullName) end end
  local ctors=item_type:GetConstructors(flags)
  for i=0,math.min(ctors.Length-1,15) do log('CTOR '..tostring(ctors[i])) end
  local methods=item_type:GetMethods(flags)
  for i=0,math.min(methods.Length-1,127) do
   local method=methods[i]
   if method.DeclaringType==item_type and (method.Name=='get_ConfigID' or method.Name=='SetData' or method.Name=='set_ConfigID' or method.Name=='Init') then log('METHOD '..tostring(method)) end
  end
  if methods.Length>128 then log('TRUNCATED ItemData methods='..methods.Length) end
  local helper=typeof(CS.RPG.Client.ItemHelper)
  local ms=helper:GetMethods(flags)
  for i=0,math.min(ms.Length-1,127) do
   if ms[i].Name=='GetItem' or ms[i].Name=='CreateItemData' then
    local method=ms[i]
    log('HELPER '..tostring(method)..' static='..tostring(method.IsStatic)..' return_assignable='..tostring(item_type:IsAssignableFrom(method.ReturnType)))
   end
  end
  if ms.Length>128 then log('TRUNCATED ItemHelper methods='..ms.Length) end
  log('END')
 end
 local ok,err=pcall(capture)
 if not ok then CS.UnityEngine.Debug.Log('[GAC_GACHA_ITEM_DATA] ERROR '..tostring(err)) end
end