(()=>{
  'use strict';
  if(window.CateriumDataV1770)return;

  const VERSION='17.7.0';
  const RELEASE='20260908-v17-7-0-architecture-foundation';
  const listeners=new Map();
  const clone=value=>{try{return structuredClone(value)}catch(_){return JSON.parse(JSON.stringify(value))}};
  const safeJson=(raw,fallback)=>{try{const value=JSON.parse(raw);return value==null?fallback:value}catch(_){return fallback}};
  const emit=(topic,payload)=>{for(const fn of listeners.get(topic)||[]){try{fn(payload)}catch(error){console.error('[Caterium Data]',error)}}};
  const subscribe=(topic,fn)=>{if(typeof fn!=='function')return()=>{};if(!listeners.has(topic))listeners.set(topic,new Set());listeners.get(topic).add(fn);return()=>listeners.get(topic)?.delete(fn)};

  function runtimeOrders(){try{if(typeof orders!=='undefined'&&Array.isArray(orders))return orders}catch(_){}return null}
  function runtimePersist(){try{return typeof persist==='function'?persist:null}catch(_){return null}}
  function cloud(){return window.SunCloudV2||null}
  function session(){try{return cloud()?.getSession?.()||null}catch(_){return null}}
  function workspace(){try{return cloud()?.getWorkspace?.()||null}catch(_){return null}}
  function supportMode(){try{return cloud()?.getSupportMode?.()||null}catch(_){return null}}
  function isSignedIn(){return Boolean(session()?.user)}
  function isSupportReadOnly(){return Boolean(supportMode()||cloud()?.isSupportMode?.())}
  function canWrite(permission='app.write'){
    if(isSupportReadOnly())return false;
    if(!isSignedIn())return true;
    try{const c=cloud();if(typeof c?.hasPermission==='function')return c.hasPermission(permission)||c.hasPermission('app.write')}catch(_){}
    return true;
  }

  const storage={
    read(key,fallback=null){const raw=localStorage.getItem(String(key));if(raw==null)return fallback;return safeJson(raw,fallback)},
    write(key,value,{silent=false}={}){localStorage.setItem(String(key),JSON.stringify(value));if(!silent)emit(`storage:${key}`,clone(value));return value},
    remove(key){localStorage.removeItem(String(key));emit(`storage:${key}`,null)},
    raw(key){return localStorage.getItem(String(key))}
  };

  function getOrders(){const live=runtimeOrders();return clone(live||storage.read('sunOrders',[])||[])}
  function replaceOrders(next,{persistLocal=true,reason='replace'}={}){
    const list=Array.isArray(next)?clone(next):[];
    const live=runtimeOrders();
    if(live){live.length=0;live.push(...clone(list))}
    if(persistLocal){const p=runtimePersist();if(p){try{p()}catch(error){console.warn('[Caterium Data] persist fallback',error);storage.write('sunOrders',list,{silent:true})}}else storage.write('sunOrders',list,{silent:true})}
    else storage.write('sunOrders',list,{silent:true});
    emit('orders',{reason,orders:clone(list)});return list;
  }
  function getOrder(id){return getOrders().find(o=>String(o?.id)===String(id))||null}
  function updateOrder(id,updater,{persistLocal=true,reason='update'}={}){
    const list=getOrders();const index=list.findIndex(o=>String(o?.id)===String(id));if(index<0)return null;
    const current=clone(list[index]);const next=typeof updater==='function'?updater(current):{...current,...clone(updater||{})};if(!next)return null;list[index]=next;replaceOrders(list,{persistLocal,reason});return clone(next)
  }
  function applyServerOrders(changed,{reason='server'}={}){
    const patches=Array.isArray(changed)?changed:[];if(!patches.length)return {changed:0,ids:[]};
    const list=getOrders(),map=new Map(list.map((o,i)=>[String(o?.id),i])),ids=[];
    for(const patch of patches){const id=String(patch?.id??'');if(!id)continue;const index=map.get(id);if(index==null){list.push(clone(patch));map.set(id,list.length-1)}else list[index]=clone(patch);ids.push(id)}
    replaceOrders(list,{persistLocal:false,reason});
    try{window.render?.();window.renderOrders?.();window.renderStats?.();window.renderClients?.()}catch(_){}
    try{window.dispatchEvent(new CustomEvent('caterium:data-orders-applied',{detail:{ids,reason}}))}catch(_){}
    return {changed:ids.length,ids}
  }

  const ordersRepo={list:getOrders,get:getOrder,replace:replaceOrders,update:updateOrder,applyServerChanges:applyServerOrders};
  const diagnostics={
    snapshot(){return {version:VERSION,workspaceId:workspace()?.id||null,signedIn:isSignedIn(),supportReadOnly:isSupportReadOnly(),orderCount:getOrders().length,listenerTopics:listeners.size}},
    measure(name,fn){const started=performance.now();return Promise.resolve().then(fn).finally(()=>emit('metric',{name,durationMs:Math.round((performance.now()-started)*10)/10,at:new Date().toISOString()}))}
  };

  window.CateriumDataV1770={VERSION,RELEASE,storage,orders:ordersRepo,subscribe,emit,cloud,session,workspace,isSignedIn,isSupportReadOnly,canWrite,diagnostics};
  window.CateriumData=window.CateriumDataV1770;
  try{window.dispatchEvent(new CustomEvent('caterium:data-ready',{detail:{version:VERSION}}))}catch(_){}
})();