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Bar={t:number,ts:string,o:number,h:number,l:number,c:number};\nconst SELECTED=[\n {idx:1,date:\"2015-01-13\",cutoff:\"2015-01-13 01:00:00\",zone:\"CET\",pair:\"EURJPY\"},\n {idx:2,date:\"2015-01-22\",cutoff:\"2015-01-22 01:00:00\",zone:\"CET\",pair:\"USDJPY\"},\n {idx:3,date:\"2015-02-10\",cutoff:\"2015-02-10 01:00:00\",zone:\"CET\",pair:\"GBPJPY\"},\n {idx:4,date:\"2015-02-26\",cutoff:\"2015-02-26 01:00:00\",zone:\"CET\",pair:\"GBPJPY\"},\n {idx:5,date:\"2015-03-10\",cutoff:\"2015-03-10 01:00:00\",zone:\"CET\",pair:\"GBPJPY\"},\n {idx:6,date:\"2015-03-26\",cutoff:\"2015-03-26 01:00:00\",zone:\"CET\",pair:\"USDJPY\"},\n {idx:7,date:\"2015-04-14\",cutoff:\"2015-04-14 02:00:00\",zone:\"CEST\",pair:\"EURJPY\"},\n {idx:8,date:\"2015-04-23\",cutoff:\"2015-04-23 02:00:00\",zone:\"CEST\",pair:\"GBPJPY\"},\n {idx:9,date:\"2015-05-12\",cutoff:\"2015-05-12 02:00:00\",zone:\"CEST\",pair:\"GBPJPY\"},\n {idx:10,date:\"2015-05-21\",cutoff:\"2015-05-21 02:00:00\",zone:\"CEST\",pair:\"USDJPY\"},\n {idx:11,date:\"2015-06-16\",cutoff:\"2015-06-16 02:00:00\",zone:\"CEST\",pair:\"EURJPY\"},\n {idx:12,date:\"2015-06-25\",cutoff:\"2015-06-25 02:00:00\",zone:\"CEST\",pair:\"GBPJPY\"},\n];\nfunction ms(s:string){return Date.parse(s.replace(\" \",\"T\")+\"Z\")}\nfunction rnd(x:any,d=3){return x==null||!Number.isFinite(x)?null:Number(x.toFixed(d))}\nfunction ema(vals:number[],n:number){if(vals.lengtha+b,0)/n,k=2/(n+1),out=new Array(vals.length).fill(NaN);out[n-1]=e;for(let i=n;ix+y,0)/tr.length:null}\nfunction agg(rows:Bar[],minutes:number){const span=minutes*60000,out:Bar[]=[];let cur:any=null;for(const b of rows){const bucket=Math.floor(b.t/span)*span;if(!cur||cur.t!==bucket){if(cur)out.push(cur);cur={t:bucket,ts:new Date(bucket).toISOString().slice(0,19).replace(\"T\",\" \"),o:b.o,h:b.h,l:b.l,c:b.c}}else{cur.h=Math.max(cur.h,b.h);cur.l=Math.min(cur.l,b.l);cur.c=b.c}}if(cur)out.push(cur);return out}\nfunction state(rows:Bar[],tf:string){const last=rows.at(-1);if(!last)return null;const c=rows.map(x=>x.c),e25s=ema(c,25),e75s=ema(c,75),e200s=ema(c,200),e25=e25s.at(-1),e75=e75s.at(-1),e200=e200s.at(-1),a=atr(rows),ap=(a??0)*100;const ok=[e25,e75,e200].every(Number.isFinite);const align=!ok?\"NA\":e25!>e75!&&e75!>e200!?\"UP\":e25!{if(s.length<=k)return null;const x=s.at(-1),y=s[s.length-1-k];return Number.isFinite(x)&&Number.isFinite(y)?(x-y)*100/k:null};const d=(e:any)=>Number.isFinite(e)&&ap?Math.abs(last.c-e)*100/ap:null;const fan=ok&&ap?(Math.max(e25!,e75!,e200!)-Math.min(e25!,e75!,e200!))*100/ap:null;const nearest=!ok?\"NA\":[[\"EMA25\",d(e25)],[\"EMA75\",d(e75)],[\"EMA200\",d(e200)]].sort((a:any,b:any)=>(a[1]??999)-(b[1]??999))[0][0];return {tf,bars:rows.length,last:last.ts,close:rnd(last.c,4),atr:rnd(ap,2),ema25:rnd(e25,4),ema75:rnd(e75,4),ema200:rnd(e200,4),alignment:align,fan:rnd(fan),d25:rnd(d(e25)),d75:rnd(d(e75)),d200:rnd(d(e200)),nearest,s25:rnd(slope(e25s)),s75:rnd(slope(e75s)),s200:rnd(slope(e200s))}}\nfunction snap(w:any,bars:Bar[]){const defs:[[string,number],...[string,number][]]=[[\"M15\",15],[\"M45\",45],[\"M135\",135],[\"D1\",1440],[\"W1\",10080]];const states=defs.map(([n,m])=>state(m===15?bars:agg(bars,m),n));return {idx:w.idx,date:w.date,pair:w.pair,cutoff:w.cutoff,zone:w.zone,last_pre_t0:bars.at(-1)?.ts,states,outcome:\"UNREVEALED\",leak:\"snapshot before timestamp>=cutoff\"}}\nexport async function computePair(pair:string){const wins=SELECTED.filter(x=>x.pair===pair);const url=`https://raw.githubusercontent.com/ejtraderLabs/historical-data/main/${pair}/${pair}m15.csv`;const res=await fetch(url);if(!res.ok||!res.body)throw new Error(`${pair} fetch ${res.status}`);const reader=res.body.getReader(),dec=new TextDecoder();let buf=\"\",wi=0;const bars:Bar[]=[],out:any[]=[];while(wi=0&&wi=cut){out.push(snap(wins[wi],bars));wi++;continue}const p=line.split(\",\");bars.push({t,ts,o:Number(p[1])/1000,h:Number(p[2])/1000,l:Number(p[3])/1000,c:Number(p[4])/1000});if(bars.length>150000)bars.shift()}}try{await reader.cancel()}catch{}if(wi