-- Resource-fed per-character Warp tabs. This file is embedded behind the
-- native_presentation policy; it is deliberately outside heartbeat scripts/.
-- It touches only cloned Gacha models and the content of their own Warp tab.
do
 local state=_G.__GAC_GACHA_PRESENTATION_STATE
 if not state then
  state={installed={},failures={},originals={},next_tick=0}
  _G.__GAC_GACHA_PRESENTATION_STATE=state
 end
 local function log(message)
  CS.UnityEngine.Debug.Log('[GaC Character Warp] '..tostring(message))
 end
 local function config()
  return _G.__GAC_GACHA_PRESENTATION
 end
 local function entry(pool)
  if not pool then return nil end
  local installed=state.installed[pool.GachaID]
  if not installed or installed.pool~=pool then return nil end
  return state.by_id and state.by_id[pool.GachaID]
 end
 local function warp_open()
  local page=CS.RPG.Client.GlobalVars.s_UIManager:GetPageByName('GachaMainPage')
  return page and page.Trans and page.Trans.gameObject.activeInHierarchy
 end
 local function native_reflection()
  if state.reflection then return state.reflection end
  local flags=CS.System.Enum.ToObject(typeof(CS.System.Reflection.BindingFlags),60)
  state.reflection={
   flags=flags,
   invoke=CS.System.Enum.ToObject(typeof(CS.System.Reflection.BindingFlags),0),
   clone=typeof(CS.System.Object):GetMethod('MemberwiseClone',flags),
   empty=CS.System.Array.CreateInstance(typeof(CS.System.Object),0)
  }
  return state.reflection
 end
 local function clone(value)
  local r=native_reflection()
  return r.clone:Invoke(value,r.invoke,nil,r.empty,nil)
 end
 local function stretch(rect,minx,miny,maxx,maxy)
  rect.anchorMin=CS.UnityEngine.Vector2(minx,miny)
  rect.anchorMax=CS.UnityEngine.Vector2(maxx,maxy)
  rect.offsetMin=CS.UnityEngine.Vector2.zero
  rect.offsetMax=CS.UnityEngine.Vector2.zero
  rect.localScale=CS.UnityEngine.Vector3.one
 end
 local function image_object(name,parent)
  -- The generated xLua constructor unwraps params Type[] from separate Lua
  -- arguments. Passing System.Array as one argument fails overload binding.
  local obj=CS.UnityEngine.GameObject(name,typeof(CS.UnityEngine.RectTransform),typeof(CS.UnityEngine.UI.Image))
  obj.transform:SetParent(parent,false)
  local image=obj:GetComponent(typeof(CS.UnityEngine.UI.Image))
  return obj,image,obj:GetComponent(typeof(CS.UnityEngine.RectTransform))
 end
 local function text_object(source,parent,name,minx,miny,maxx,maxy)
  local obj=CS.UnityEngine.Object.Instantiate(source.gameObject)
  obj.name=name
  obj.transform:SetParent(parent,false)
  stretch(obj:GetComponent(typeof(CS.UnityEngine.RectTransform)),minx,miny,maxx,maxy)
  local text=obj:GetComponent(source:GetType())
  text.raycastTarget=false
  text.color=CS.UnityEngine.Color.white
  obj:SetActive(true)
  return text
 end
 local function render(tab,banner)
  if tab.__gac_character_banner and tab.__gac_layout_revision==5 and tab.__gac_banner_id==banner.gacha_id then
   if not tab.__gac_sidebar_sprites then
    state.sidebar_jobs=state.sidebar_jobs or setmetatable({},{__mode='k'})
    state.sidebar_jobs[tab]=true
   end
   return
  end
  if tab.__gac_character_banner then
   CS.UnityEngine.Object.Destroy(tab.__gac_character_banner)
   tab.__gac_character_banner=nil
   for _,obj in ipairs(tab.__gac_owned_texts or {})do CS.UnityEngine.Object.Destroy(obj)end
   tab.__gac_owned_texts=nil
   for _,item in ipairs(tab.__gac_replaced_visuals or {})do pcall(function()item.object:SetActive(item.active)end)end
   tab.__gac_replaced_visuals=nil
   for _,sprite in ipairs(tab.__gac_sidebar_sprites or {})do CS.UnityEngine.Object.Destroy(sprite)end
   tab.__gac_sidebar_sprites=nil
   if state.sidebar_jobs then state.sidebar_jobs[tab]=nil end
   if state.pity_labels then state.pity_labels[tab]=nil end
   tab.__gac_banner_id=nil
  end
  local content=tab._binder and tab._binder.node_content
  local page=CS.RPG.Client.GlobalVars.s_UIManager:GetPageByName('GachaMainPage')
  local binder=page and page.LuaTable and page.LuaTable._binder
  local source=binder and binder.txt_pool_name
  if not content or not source then error('known Warp content/name binder is unavailable') end
  local avatar=CS.RPG.GameCore.AvatarExcelTable.GetData(banner.avatar_id)
  if not avatar then error('mapped avatar row vanished') end
  local avatar_panel=content.transform:Find('AvatarPanel')
  local title_panel=content.transform:Find('TitlePanel')
  local title_slot=content.transform:Find('TitlePanel/Content/CardPoolNamePanel/CardPoolName')
  local subtitle=content.transform:Find('TitlePanel/SubTitlePanel/TextPanel/SubTitleText')
  if not avatar_panel or not title_panel or not title_slot or not subtitle then error('captured native banner layout is unavailable') end
  local root,background,rect=image_object('GaCCharacterBanner',avatar_panel)
  local texts={}
  local replaced={}
  local function hide(path)
   local node=content.transform:Find(path)
   if node then replaced[#replaced+1]={object=node.gameObject,active=node.gameObject.activeSelf};node.gameObject:SetActive(false)end
  end
  -- Rendering is transactional. An exception after the opaque root exists
  -- must not leave an untracked overlay covering the tab or add one on every
  -- subsequent refresh.
  local ok,err=pcall(function()
  stretch(rect,0,0,1,1)
  -- Reuse the native white title panel/frame. Replace the template's actual
  -- illustration nodes, so no opaque rectangle sits over a second banner.
  background.color=CS.UnityEngine.Color(1,1,1,0)
  background.raycastTarget=false
  -- CutinBg is a different illustration and can repeat the character art.
  -- Leave the native frame visible rather than layering that asset here.
  local art,image,art_rect=image_object('FeaturedAvatar',root.transform)
  stretch(art_rect,0.32,0.02,0.99,0.98)
  image.color=CS.UnityEngine.Color.white
  image.preserveAspect=true
  image.raycastTarget=false
  local title=text_object(source,title_slot,'FeaturedName',0,0,1,1)
  texts[#texts+1]=title.gameObject
  title:SafeSetTextID(avatar.AvatarName)
  title.fontSize=48;title.color=CS.UnityEngine.Color(0.1,0.1,0.1,1)
  local description=text_object(source,title_panel,'FeaturedDescription',0.08,0.51,0.92,0.73)
  texts[#texts+1]=description.gameObject
  local rules=config().rules
  if rules then
   description.text='Every '..rules.four_star_pity..' Warps guarantees a 4-star or higher.\nFeatured 5-star guaranteed within '..rules.five_star_pity..' Warps.'
  else description.text='Character Warp' end
  description.fontSize=23;description.color=CS.UnityEngine.Color(0.1,0.1,0.1,1)
  local four_stars=banner.four_stars or {}
  if #four_stars>0 then
   local label=text_object(source,title_panel,'FeaturedFourStarLabel',0.08,0.44,0.92,0.50)
   texts[#texts+1]=label.gameObject
   label.text='Featured 4-star characters';label.fontSize=20;label.color=CS.UnityEngine.Color(0.3,0.3,0.3,1)
   local cards,card_bg,card_rect=image_object('FeaturedFourStarCards',title_panel)
   texts[#texts+1]=cards;card_bg.color=CS.UnityEngine.Color(1,1,1,0);card_bg.raycastTarget=false
   stretch(card_rect,0.08,0.14,0.92,0.43)
   for index,four in ipairs(four_stars)do
    local panel,panel_image,panel_rect=image_object('FourStarCard'..index,cards.transform)
    stretch(panel_rect,(index-1)/#four_stars+0.01,0,index/#four_stars-0.01,1)
    panel_image.color=CS.UnityEngine.Color(0.57,0.49,0.72,0.12);panel_image.raycastTarget=false
    local portrait,portrait_image,portrait_rect=image_object('Portrait',panel.transform)
    stretch(portrait_rect,0,0.16,1,1);portrait_image.preserveAspect=true;portrait_image.raycastTarget=false
    if CS.RPG.Client.GlobalVars.s_AssetMgr:Exists(four.portrait_path)then
     tab:_async_load_sprite_to(portrait_image,four.portrait_path)
    else
     -- One unavailable supporting portrait must not erase the whole featured
     -- character card; keep the text and the other portraits usable.
     portrait:SetActive(false)
     log('FOUR_STAR_PORTRAIT_MISSING banner='..banner.gacha_id..' avatar='..four.avatar_id)
    end
    local four_row=CS.RPG.GameCore.AvatarExcelTable.GetData(four.avatar_id)
    local name=text_object(source,panel.transform,'AvatarName',0,0,1,0.16)
    name:SafeSetTextID(four_row.AvatarName);name.fontSize=16;name.color=CS.UnityEngine.Color(0.15,0.15,0.15,1)
   end
  end
  local pity_label=text_object(source,title_panel,'WarpGuaranteeProgress',0.08,0.035,0.92,0.12)
  texts[#texts+1]=pity_label.gameObject;pity_label.fontSize=18;pity_label.color=CS.UnityEngine.Color(0.3,0.3,0.3,1)
  local initial_pity=config().pity or {since_five_star=0,since_four_star=0}
  if rules then
   pity_label.text='5-star: '..initial_pity.since_five_star..'/'..rules.five_star_pity..'    4-star: '..initial_pity.since_four_star..'/'..rules.four_star_pity
  else pity_label.text='' end
  state.pity_labels=state.pity_labels or setmetatable({},{__mode='k'})
  state.pity_labels[tab]=pity_label
  tab:_async_load_sprite_to(image,banner.art_path)
  root.transform:SetAsLastSibling()
  hide('AvatarPanel/MianAvatarPanel')
  hide('AvatarPanel/MianAvatarPanelFront')
  hide('AvatarPanel/SubLightConePanel')
  hide('DrawCardInfo')
  hide('BtnInvitation')
  hide('TitlePanel/Content/ScrollView')
  for i=0,title_slot.childCount-1 do
   local child=title_slot:GetChild(i)
   if child.gameObject~=title.gameObject then replaced[#replaced+1]={object=child.gameObject,active=child.gameObject.activeSelf};child.gameObject:SetActive(false)end
  end
  local subtitle_text=subtitle.gameObject:GetComponent(typeof(CS.RPG.Client.LocalizedText))
  if subtitle_text then subtitle_text.text='Character Event Warp' end
  end)
  if not ok then
   CS.UnityEngine.Object.Destroy(root)
   for _,obj in ipairs(texts)do CS.UnityEngine.Object.Destroy(obj)end
   for _,item in ipairs(replaced)do item.object:SetActive(item.active)end
   error(err)
  end
  tab.__gac_character_banner=root
  tab.__gac_layout_revision=5;tab.__gac_banner_id=banner.gacha_id;tab.__gac_owned_texts=texts;tab.__gac_replaced_visuals=replaced
  state.sidebar_jobs=state.sidebar_jobs or setmetatable({},{__mode='k'})
  state.sidebar_jobs[tab]=true
  log('ART_REQUESTED banner='..banner.gacha_id..' avatar='..banner.avatar_id)
 end
 state.render_current=render
 local function update_sidebars()
  local processed=0
  for tab in pairs(state.sidebar_jobs or {})do
   if processed>=2 then break end;processed=processed+1
   local root=tab.__gac_character_banner
   local source=root and root.transform:Find('FeaturedAvatar')
   local source_image=source and source.gameObject:GetComponent(typeof(CS.UnityEngine.UI.Image))
   local sprite=source_image and source_image.sprite
   local button=tab._tab_button_panel and tab._tab_button_panel._binder
   if sprite and button then
    local rect=sprite.textureRect
    local owned={}
    local ok,err=pcall(function()
     for _,name in ipairs({'img_selected_icon','img_unselected_icon'})do
      local image=button[name]
      -- The template's selected image is taller than its tab slot. A full
      -- character splash has transparent edges unlike the native banner icon,
      -- so keep each custom image within its own measured parent bounds.
      local transform=image.rectTransform
      local parent=transform.parent
      local bounds=parent and parent.rect
      if bounds and transform.rect.height>bounds.height and bounds.height>0 then
       local size=transform.sizeDelta
       transform.sizeDelta=CS.UnityEngine.Vector2(size.x,size.y-(transform.rect.height-bounds.height))
      end
      local target=image.rectTransform.rect
      local ratio=target.width/target.height
      local width=math.min(rect.width,rect.height*ratio)
      local height=width/ratio
      local crop=CS.UnityEngine.Rect(rect.x+(rect.width-width)*0.5,rect.y+(rect.height-height)*0.68,width,height)
      local cropped=CS.UnityEngine.Sprite.Create(sprite.texture,crop,CS.UnityEngine.Vector2(0.5,0.5),sprite.pixelsPerUnit)
      owned[#owned+1]=cropped
      image.sprite=cropped;image.preserveAspect=false
     end
    end)
    if ok then
     tab.__gac_sidebar_sprites=owned
     state.sidebar_jobs[tab]=nil
     log('SIDEBAR_READY banner='..tab._gacha_pool_data.GachaID)
    else
     for _,item in ipairs(owned)do CS.UnityEngine.Object.Destroy(item)end
     state.sidebar_jobs[tab]=nil;log('SIDEBAR_ERROR '..tostring(err))
    end
   end
  end
 end
 local function ensure_hooks()
  if state.hooked then return end
  -- These named modules define controllers; requiring them does not open a UI
  -- page or execute a scene/task. Hook before any new pool is made visible.
  local class=require('Ui.Gacha.GachaPool.DefaultGachaPoolTabItem')
  if type(class)~='table' or type(class._refresh)~='function' then
   error('named native Gacha tab controller is unavailable')
  end
  local original_refresh=class._refresh
  local original_dispose=class._on_dispose
  state.originals.refresh=original_refresh
  state.originals.dispose=original_dispose
  local refresh_hook=function(self,...)
   local banner=entry(self._gacha_pool_data)
   if not banner then return original_refresh(self,...) end
   -- Do not bind Standard's multi-character list or 300-draw reward panel to
   -- the custom card. Its native draw controls continue to use the clone ID.
   self._item_panels=self._item_panels or {}
   self._up_item_panels=self._up_item_panels or {}
   local ok,err=pcall(state.render_current,self,banner)
   if not ok then
    log('ART_ERROR banner='..banner.gacha_id..' '..tostring(err))
    -- Preserve the known working page lifecycle even when a binding differs.
    -- No world camera, page Canvas or global UI state is disabled here.
   end
  end
  local dispose_hook=function(self,...)
   if self.__gac_character_banner then CS.UnityEngine.Object.Destroy(self.__gac_character_banner) end
   self.__gac_character_banner=nil;self.__gac_banner_id=nil
   for _,obj in ipairs(self.__gac_owned_texts or {})do CS.UnityEngine.Object.Destroy(obj)end
   self.__gac_owned_texts=nil
   for _,sprite in ipairs(self.__gac_sidebar_sprites or {})do CS.UnityEngine.Object.Destroy(sprite)end
   self.__gac_sidebar_sprites=nil
   if state.sidebar_jobs then state.sidebar_jobs[self]=nil end
   if state.pity_labels then state.pity_labels[self]=nil end
   for _,item in ipairs(self.__gac_replaced_visuals or {})do pcall(function()item.object:SetActive(item.active)end)end
   self.__gac_replaced_visuals=nil
   if original_dispose then return original_dispose(self,...) end
  end
  class._refresh=refresh_hook
  class._on_dispose=dispose_hook
  state.hook_class=class
  state.refresh_hook=refresh_hook
  state.dispose_hook=dispose_hook
  -- GetInfo refresh replaces the module's lists immediately before this
  -- callback. Reconcile the projection before native tabs take ownership,
  -- rather than racing the already-open page on a later render tick.
  local main=require('Ui.Gacha.GachaMainPage')
  local original_create=main._create_pools_panel
  local create_hook=function(self,...)
   if _G.__GAC_GACHA_PRESENTATION_TICK then
    state.next_tick=0
    _G.__GAC_GACHA_PRESENTATION_TICK(true)
   end
   return original_create(self,...)
  end
  main._create_pools_panel=create_hook
  state.main_class=main;state.original_create=original_create;state.create_hook=create_hook
  state.hooked=true
 end
 local remove_installed
 local function register(module,template,banner)
  local asset_mgr=CS.RPG.Client.GlobalVars.s_AssetMgr
  if not asset_mgr:Exists(banner.art_path) or not asset_mgr:Exists(banner.icon_path) then
   log('ASSET_MISSING banner='..banner.gacha_id..' avatar='..banner.avatar_id)
   return false
  end
  local avatar=CS.RPG.GameCore.AvatarExcelTable.GetData(banner.avatar_id)
  if not avatar then log('ROW_MISSING avatar='..banner.avatar_id);return false end
  -- A native GetInfo refresh can drop a clone from lookup while its old group
  -- remains cached. Remove only that previously owned reference before retry.
  local previous=state.installed[banner.gacha_id]
  if previous then remove_installed(previous);state.installed[banner.gacha_id]=nil end
  local r=native_reflection()
  local pool=clone(template)
  local row=clone(template.Row)
  row.GachaID=banner.gacha_id
  row.SortID=template.Row.SortID+banner.sort_order
  row.PoolName=avatar.AvatarName
  row.PoolLabelIcon=banner.icon_path
  row.PoolLabelIconSelected=banner.icon_path
  local base=template:GetType().BaseType
  base:GetField('<Row>k__BackingField',r.flags):SetValue(pool,row)
  -- ItemHelper.GetItem is the same named API used by the captured native
  -- GachaMainPage obtain dialog. Keep detail/prize metadata aligned with the
  -- featured avatar, rather than inheriting the Standard pool's item array.
  local prize_field=base:GetField('<PrizeItemDatas>k__BackingField',r.flags)
  local detail_field=base:GetField('<DetailItemDatas>k__BackingField',r.flags)
  if not prize_field or not detail_field then error('native Gacha item array fields are unavailable') end
  local item_type=prize_field.FieldType:GetElementType()
  local helper=typeof(CS.RPG.Client.ItemHelper)
  local parameters=CS.System.Array.CreateInstance(typeof(CS.System.Type),1)
  parameters[0]=typeof(CS.System.UInt32)
  local get_item=helper:GetMethod('GetItem',r.flags,nil,parameters,nil)
  -- Inspect the exact overload before invoking it. A similarly named helper
  -- returning an ItemConfig/tuple cannot be inserted into an ItemData array.
  if not get_item or not get_item.IsStatic or not item_type:IsAssignableFrom(get_item.ReturnType) then
   error('ItemHelper.GetItem(UInt32) return type is not the captured ItemData array element')
  end
  local native_id=CS.System.Array.CreateInstance(typeof(CS.System.UInt32),1)
  native_id[0]=banner.avatar_id
  local item_args=CS.System.Array.CreateInstance(typeof(CS.System.Object),1)
  CS.System.Array.Copy(native_id,item_args,1)
  local item=get_item:Invoke(nil,r.invoke,nil,item_args,nil)
  if not item or not item_type:IsInstanceOfType(item) or item.ConfigID~=banner.avatar_id then
   error('mapped avatar item metadata is unavailable')
  end
  local prizes=CS.System.Array.CreateInstance(item_type,1);prizes:SetValue(item,0);prize_field:SetValue(pool,prizes)
  local four_stars=banner.four_stars or {}
  local details=CS.System.Array.CreateInstance(detail_field.FieldType:GetElementType(),1+#four_stars)
  details:SetValue(item,0)
  for index,four in ipairs(four_stars)do
   native_id[0]=four.avatar_id;CS.System.Array.Copy(native_id,item_args,1)
   local four_item=get_item:Invoke(nil,r.invoke,nil,item_args,nil)
   if not four_item or not item_type:IsInstanceOfType(four_item) or four_item.ConfigID~=four.avatar_id then error('four-star item metadata is unavailable')end
   details:SetValue(four_item,index)
  end
  detail_field:SetValue(pool,details)
  pool.SingleDrawData=clone(template.SingleDrawData)
  pool.MultiDrawData=clone(template.MultiDrawData)
  -- The mutable draw records are distinct; the original Standard pool is
  -- never renamed, modified or used as the custom pool's identity.
  local t=module:GetType()
  local list=t:GetField('_GachaPoolDatasThisVersion',r.flags):GetValue(module)
  local groups=t:GetField('_GachaGroupDataDict',r.flags):GetValue(module)
  local before={}
  local it=groups.Keys:GetEnumerator()
  while it:MoveNext() do before[tostring(it.Current)]=true end
  it:Dispose()
  local ok,err=pcall(function()
   list:Add(pool)
   local args=CS.System.Array.CreateInstance(typeof(CS.System.Object),1)
   args[0]=pool
   t:GetMethod('_AddGachaPoolDataToGroupDict',r.flags):Invoke(module,r.invoke,nil,args,nil)
   if module:GetGachaPoolData(banner.gacha_id)~=pool then error('registered clone lookup mismatch') end
  end)
  if not ok then
   list:Remove(pool)
   local remove={}
   local iter=groups.Keys:GetEnumerator()
   while iter:MoveNext() do
    if not before[tostring(iter.Current)] then remove[#remove+1]=iter.Current end
   end
   iter:Dispose()
   local cached_field=t:GetField('_GachaGroupDatasThisVersion',r.flags)
   local cached=cached_field and cached_field:GetValue(module)
   for _,id in ipairs(remove) do
    local group=groups[id]
    if cached then cached:Remove(group) end
    groups:Remove(id)
   end
   error('native registration rolled back: '..tostring(err))
  end
  local new_groups={}
  local retained_groups={}
  local iter=groups.Keys:GetEnumerator()
  while iter:MoveNext() do
   if not before[tostring(iter.Current)] then
    new_groups[#new_groups+1]=iter.Current
    retained_groups[#retained_groups+1]={id=iter.Current,value=groups[iter.Current]}
   end
  end
  iter:Dispose()
  state.installed[banner.gacha_id]={pool=pool,module=module,group_ids=new_groups,groups=retained_groups}
  log('REGISTERED banner='..banner.gacha_id..' avatar='..banner.avatar_id)
  return true
 end
 remove_installed=function(installed)
  local r=native_reflection()
   local module=installed.module
   local t=module:GetType()
   local list=t:GetField('_GachaPoolDatasThisVersion',r.flags):GetValue(module)
   local groups=t:GetField('_GachaGroupDataDict',r.flags):GetValue(module)
   local cached_groups_field=t:GetField('_GachaGroupDatasThisVersion',r.flags)
   local cached_groups=cached_groups_field and cached_groups_field:GetValue(module)
   list:Remove(installed.pool)
   -- Track the actual keys created by native registration; do not derive
   -- group IDs from banner IDs or enum values.
   for _,group_id in ipairs(installed.group_ids) do
    if groups:ContainsKey(group_id) then
     local group=groups[group_id]
     if group.IsSinglePoolGachaGroup and group.DefaultGachaPoolData==installed.pool then
      groups:Remove(group_id)
      if cached_groups then cached_groups:Remove(group) end
     end
    end
   end
   local cache_field=t:GetField('<GachaPoolDataCache>k__BackingField',r.flags)
   if cache_field and cache_field:GetValue(module)==installed.pool then cache_field:SetValue(module,nil) end
 end
 local function remove_when_closed()
  if warp_open() then return false end
  for id,installed in pairs(state.installed) do
   remove_installed(installed)
   state.installed[id]=nil
  end
  if state.hook_class then
   -- Do not overwrite a newer hook installed by another extension.
   if state.hook_class._refresh==state.refresh_hook then state.hook_class._refresh=state.originals.refresh end
   if state.hook_class._on_dispose==state.dispose_hook then state.hook_class._on_dispose=state.originals.dispose end
  end
  if state.main_class and state.main_class._create_pools_panel==state.create_hook then
   state.main_class._create_pools_panel=state.original_create
  end
  state.main_class=nil;state.original_create=nil;state.create_hook=nil
  state.hooked=false;state.hook_class=nil;state.refresh_hook=nil;state.dispose_hook=nil
  state.by_id=nil;state.digest=nil;state.cursor=nil
  return true
 end
 local function restore_before_binding(module)
  -- Reuse fully initialized objects prepared in the bounded render batches.
  -- A GetInfo refresh clears module collections; reconstructing every prefab
  -- or reflected model synchronously here would delay the page unnecessarily.
  local r=native_reflection()
  local t=module:GetType()
  local list=t:GetField('_GachaPoolDatasThisVersion',r.flags):GetValue(module)
  local groups=t:GetField('_GachaGroupDataDict',r.flags):GetValue(module)
  local cached_field=t:GetField('_GachaGroupDatasThisVersion',r.flags)
  local cached=cached_field and cached_field:GetValue(module)
  local restored=0
  for id,owned in pairs(state.installed)do
   if owned.module==module and state.by_id[id] and owned.groups and not module:GetGachaPoolData(id) then
    local safe=true
    for _,group in ipairs(owned.groups)do
     if groups:ContainsKey(group.id) and groups[group.id]~=group.value then safe=false;break end
    end
    if safe then
     if not list:Contains(owned.pool)then list:Add(owned.pool)end
     for _,group in ipairs(owned.groups)do
      if not groups:ContainsKey(group.id)then groups:Add(group.id,group.value)end
      if cached and not cached:Contains(group.value)then cached:Add(group.value)end
     end
     restored=restored+1
    end
   end
  end
  if restored>0 then log('RESTORED_BEFORE_PAGE count='..restored)end
 end
 -- Reproduce only the native single-pool branch of GachaMainPage's captured
 -- _create_pools_panel. The existing tab controller keeps its current selection;
 -- neither _refresh nor click_item_by_uid is called. One prefab/tab per tick.
 local function append_open_page(data)
  local page=CS.RPG.Client.GlobalVars.s_UIManager:GetPageByName('GachaMainPage')
  local ui=page and page.LuaTable
  if not ui or not ui._binder or not ui._tab_control or type(ui._gacha_group_datas)~='table' or type(ui._gacha_tab_items)~='table' then return end
  if state.page~=ui then state.page=ui;state.page_cursor=1;state.page_failures={} end
  local count=#data.banners
  for n=1,math.min(8,count)do
   if state.page_cursor>count then state.page_cursor=1 end
   local banner=data.banners[state.page_cursor];state.page_cursor=state.page_cursor+1
   local installed=state.installed[banner.gacha_id]
   if installed and not state.page_failures[banner.gacha_id] then
    local present=false
    for _,group in ipairs(ui._gacha_group_datas)do
     if group and group.DefaultGachaPoolData==installed.pool then present=true;break end
    end
    if not present then
     local group
     for _,ref in ipairs(installed.groups or {})do
      if ref.value and ref.value.IsSinglePoolGachaGroup and ref.value:IsSinglePoolGachaGroup() and ref.value.DefaultGachaPoolData==installed.pool then group=ref.value;break end
     end
     if group then
      local prefab,tab,added,owned_root
      local ok,err=pcall(function()
       local types=ui._gachaType2tabItem[group.GachaType]
       if not types or not types[1] or not types[2] then error('native single-pool tab type unavailable')end
       local container=ui._binder.node_gacha_panel_container
       local old_children=container.childCount
       prefab=ui:sync_load_prefab(installed.pool.PrefabPath,container)
       if container.childCount~=old_children+1 then error('native prefab did not add exactly one panel')end
       owned_root=container:GetChild(old_children).gameObject
       tab=ui:create_panel(types[1],types[2])
       tab:set_tab_data(installed.pool)
       tab.button_prefab_index=0
       tab:bind(prefab)
       -- A new panel must not cover the user's selected one while it is added.
       owned_root:SetActive(false)
       tab:set_time_over_callback(ui._on_gacha_pool_time_out,ui)
       -- Track before add_item so page disposal owns the panel even if a
       -- later native callback throws; it must not become an orphan object.
       table.insert(ui._gacha_group_datas,group)
       table.insert(ui._gacha_tab_items,tab)
       added=true
       ui._tab_control:add_item(tab)
       tab:setup_group_tab_item()
       ui._tab_control:update_layout()
      end)
      if not ok then
       state.page_failures[banner.gacha_id]=true
       if not added then
        if tab and tab.dispose then pcall(function()tab:dispose()end)end
        if owned_root then pcall(function()CS.UnityEngine.Object.Destroy(owned_root)end)end
       end
       log('PAGE_APPEND_ERROR banner='..banner.gacha_id..' '..tostring(err)..' tracked='..tostring(added))
      else log('PAGE_APPENDED banner='..banner.gacha_id)end
      return
     end
    end
   end
  end
 end
 _G.__GAC_GACHA_PRESENTATION_TICK=function(before_page_bind)
  local data=config()
  local now=CS.UnityEngine.Time.unscaledTime
  if now<state.next_tick then return end
  state.next_tick=now+0.1
  local ok,err=pcall(function()
   local r=native_reflection()
   local manager=CS.RPG.Client.GlobalVars.s_GamePhaseManager
   local phase=manager and typeof(CS.RPG.Client.GamePhaseManager):GetField('_CurrentPhase',r.flags):GetValue(manager)
   if not phase or typeof(CS.RPG.Client.BattleGamePhase):IsInstanceOfType(phase) then return end
   if not data or not data.enabled then remove_when_closed();state.next_tick=now+2;return end
   local sidebar_ok,sidebar_error=pcall(update_sidebars)
   if not sidebar_ok then
    local message=tostring(sidebar_error)
    if state.sidebar_last_error~=message then log('SIDEBAR_UPDATE_ERROR '..message);state.sidebar_last_error=message end
   else state.sidebar_last_error=nil end
   local pity=data.pity or {since_five_star=0,since_four_star=0}
   if data.rules then
    for tab,label in pairs(state.pity_labels or {})do
     pcall(function()label.text='5-star: '..pity.since_five_star..'/'..data.rules.five_star_pity..'    4-star: '..pity.since_four_star..'/'..data.rules.four_star_pity end)
    end
   end
   local opened=warp_open()
   if not opened then state.page=nil;state.page_failures=nil end
   -- A policy edit cannot replace pools owned by the open page. The same
   -- digest may add missing independent pools and their tabs incrementally.
   if opened and state.digest and state.digest~=data.digest then state.next_tick=now+0.25;return end
   local module=CS.RPG.Client.GlobalVars.s_ModuleManager.GachaModule
   if not module then return end
   local template=module:GetGachaPoolData(data.template_id)
   if not template then return end
   if template:GetType().FullName~='RPG.Client.StandardGachaPoolData' or template.PrefabPath~=data.template_prefab then
    error('captured initialized Standard template identity mismatch')
   end
   if not CS.RPG.Client.GlobalVars.s_AssetMgr:Exists(data.template_prefab) then
    error('verified Standard template is no longer installed')
   end
   if state.digest~=data.digest then
    -- A new server payload may arrive while a page still owns old tabs.
    -- Keep its established projection until that page closes; tearing down
    -- or mixing two digests here can change an existing selected pool.
    if state.digest and warp_open() then
     if before_page_bind then restore_before_binding(module) end
     return
    end
    remove_when_closed()
    state.by_id={};state.failures={};state.cursor=1
    for _,banner in ipairs(data.banners) do state.by_id[banner.gacha_id]=banner end
    state.digest=data.digest
   end
   ensure_hooks()
   if before_page_bind then restore_before_binding(module)end
   -- Prewarm two entries per frame. Page binding uses the same bounded work;
   -- it must never create all clones in one frame and stall the game.
   -- There is no assembly-wide reflection; each pass visits only configured
   -- banner rows, and a failed registration never mutates another pool.
   local count=#data.banners
   local budget=math.min(2,count)
   local processed=0
   local completed_pass=false
   while processed<budget and count>0 do
    if state.cursor>count then state.cursor=1;completed_pass=true end
    local banner=data.banners[state.cursor]
    state.cursor=state.cursor+1;processed=processed+1
    local failure=state.failures[banner.gacha_id]
    if not module:GetGachaPoolData(banner.gacha_id) and (not opened or not state.installed[banner.gacha_id]) and (not failure or now>=failure.retry_at) then
     local installed,reason=pcall(register,module,template,banner)
     if not installed or not reason then
      local message=installed and 'asset or avatar row unavailable' or tostring(reason)
      if not failure or failure.message~=message then log('REGISTER_ERROR banner='..banner.gacha_id..' '..message)end
      -- Item/asset providers may not be ready on the first post-login tick.
      -- Retry on a later bounded pass instead of permanently losing the tab.
      state.failures[banner.gacha_id]={retry_at=now+5,message=message}
     else
      state.failures[banner.gacha_id]=nil
     end
    end
   end
   -- GetGachaInfo can refresh native module lists. Reconcile from the real
   -- lookup on a new pass instead of assuming a stale pool remains installed.
   if state.cursor>count then state.cursor=1;completed_pass=true end
   if completed_pass and not before_page_bind then state.next_tick=now+2 end
   if opened and not before_page_bind then append_open_page(data) end
   if before_page_bind then
    local ready=0
    for _,banner in ipairs(data.banners)do
     if module:GetGachaPoolData(banner.gacha_id)then ready=ready+1 end
    end
    log('PAGE_BIND ready='..ready..' configured='..count)
   end
  end)
  if not ok then
   local message=tostring(err)
   if message~=state.last_error then log('ERROR '..message);state.last_error=message end
   state.next_tick=now+5
  end
 end
 if not state.callback_registered then
  local ok,err=pcall(function()
   CS.UnityEngine.Application.onBeforeRender('+',function()
    if _G.__GAC_GACHA_PRESENTATION_TICK then _G.__GAC_GACHA_PRESENTATION_TICK() end
   end)
  end)
  state.callback_registered=ok
  if not ok then log('CALLBACK_ERROR '..tostring(err)) end
 end
 _G.__GAC_GACHA_PRESENTATION_TICK()
end