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engine.open(bytes);\nconst text=pdf.page(5).text();\nconst png=await pdf.page(5).png({dpi:110,forms:true});\nawait blob.set(\"2015_R52_NS_B_page5_claw.png\",png);\nconsole.log(JSON.stringify({pages:pdf.pages,page:5,text:text.slice(0,3000),pngBytes:png.length}));\n",[195],"1794aa94-c467-49d7-b627-21df258a91e7","render_page5.ts","c4d7a0d2-afde-11f1-b820-1607ee4eb77e",10,["D",1789350691428],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport * as canvas from \"npm:@napi-rs/canvas\";\nimport { pdf } from \"npm:pdf-to-img@7.0.0\";\nconsole.log(\"canvas-loaded\",!!canvas);\nconst res=await blob.get(\"2015_R52_NS_B_exact.pdf\");\nconst bytes=new Uint8Array(await res.arrayBuffer());\nconst b64=bytes.toBase64();\nconst doc=await pdf(\"data:application/pdf;base64,\"+b64,{scale:2});\nconst img=await doc.getPage(5);\nawait blob.set(\"2015_R52_NS_B_page5.png\",img);\nconsole.log(JSON.stringify({pages:doc.length,page:5,pngBytes:img.length}));\nawait doc.destroy();",[202],"6b4af3de-3eae-4acf-b092-05e46a07ccdc","qnet_store_2014_a.ts","86b7df88-afed-11f1-ac01-1607ee4eb77e",41,["D",1789357012718],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nconst artlSeq=\"5087808\", fileSeq=\"2081546\", filePath=\"bbs/Q004/Q004_2081546\", fileName=\"3교시(자연과학개론) A형.pdf\";\nconst u=new URL(\"https://www.q-net.or.kr/cst003.do\");\nfor(const [k,v] of Object.entries({id:\"cst00302s01\",gSite:\"L\",gId:\"51\",fileCode:\"R001\",filePath,fileName,fileSeq,artlSeq,href:\"0\"})) u.searchParams.set(k,v);\nconst res=await fetch(u,{headers:{\"user-agent\":\"Mozilla/5.0\",\"referer\":\"https://www.q-net.or.kr/\"}});\nconst b=new Uint8Array(await res.arrayBuffer());\nconst hex=[...new Uint8Array(await crypto.subtle.digest(\"SHA-256\",b))].map(x=>x.toString(16).padStart(2,\"0\")).join(\"\");\nif(b.length!==864287||hex!==\"a57bb5f0aa063224550c7cc62160f269f355cd9f22181dc1e9f19850363e821d\") throw new Error(\"pin mismatch\");\nawait blob.set(\"2014_R51_NS_A_exact_qnet.pdf\",b);\nconsole.log(JSON.stringify({stored:true,bytes:b.length,sha256:hex,key:\"2014_R51_NS_A_exact_qnet.pdf\"}));",[209],"073b6822-8fe0-439e-9981-43113af652b2","qnet_store_2013_a.ts","60d9e6a2-b01b-11f1-b2cd-1607ee4eb77e",48,["D",1789376706053],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nconst artlSeq=\"5198191\", fileSeq=\"2180386\", filePath=\"bbs/Q004/Q004_2180386\", fileName=\"5. 3교시 자연과학개론 (A형) 최종본.pdf\";\nconst u=new URL(\"https://www.q-net.or.kr/cst003.do\");\nfor(const [k,v] of Object.entries({id:\"cst00302s01\",gSite:\"L\",gId:\"51\",fileCode:\"R001\",filePath,fileName,fileSeq,artlSeq,href:\"0\"})) u.searchParams.set(k,v);\nconst res=await fetch(u,{headers:{\"user-agent\":\"Mozilla/5.0\",\"referer\":\"https://www.q-net.or.kr/\"}});\nconst b=new Uint8Array(await res.arrayBuffer());\nconst sha=[...new Uint8Array(await crypto.subtle.digest(\"SHA-256\",b))].map(x=>x.toString(16).padStart(2,\"0\")).join(\"\");\nif(b.length!==634447||sha!==\"ceb7ea643b1d76ce4c81c2eb8fbb707d10307b651d38b79029398aa462d862a1\") throw new Error(\"pin mismatch\");\nawait blob.set(\"2013_R50_NS_A_exact_qnet.pdf\",b);\nconsole.log(JSON.stringify({stored:true,bytes:b.length,sha256:sha,key:\"2013_R50_NS_A_exact_qnet.pdf\"}));",[216],"5f583985-57d3-4e5e-ae17-32dd0ee715fc","qnet_probe_2024.ts","49fc49e4-afed-11f1-b6ad-1607ee4eb77e",39,["D",1789356929160],"const url=\"https://www.q-net.or.kr/cst003.do?artlSeq=5212943&boardId=Q004&gId=51&gSite=L&id=cst00302\";\nconst html=await (await fetch(url,{headers:{\"user-agent\":\"Mozilla/5.0\"}})).text();\nconst hits=[...html.matchAll(/.{0,400}(?:fileDown\\(|fileSeq|atchFile|download|첨부).{0,600}/gi)].map(m=>m[0]);\nconsole.log(\"len\",html.length);\nfor(const h of hits.slice(0,80)) console.log(h.replace(/\\s+/g,\" \"));\n",[223],"151aebee-beef-424f-98da-2f04256122f7","qnet_fetch_2014_a.ts","779e0a54-afed-11f1-9f48-1607ee4eb77e",40,["D",1789356987363],"const artlSeq=\"5087808\", fileSeq=\"2081546\", filePath=\"bbs/Q004/Q004_2081546\", fileName=\"3교시(자연과학개론) A형.pdf\";\nconst u=new URL(\"https://www.q-net.or.kr/cst003.do\");\nfor(const [k,v] of Object.entries({id:\"cst00302s01\",gSite:\"L\",gId:\"51\",fileCode:\"R001\",filePath,fileName,fileSeq,artlSeq,href:\"0\"})) u.searchParams.set(k,v);\nconst res=await fetch(u,{redirect:\"follow\",headers:{\"user-agent\":\"Mozilla/5.0\",\"referer\":\"https://www.q-net.or.kr/\"}});\nconst b=new Uint8Array(await res.arrayBuffer());\nconst hex=[...new Uint8Array(await crypto.subtle.digest(\"SHA-256\",b))].map(x=>x.toString(16).padStart(2,\"0\")).join(\"\");\nconsole.log(JSON.stringify({url:u.toString(),status:res.status,finalUrl:res.url,contentType:res.headers.get(\"content-type\"),contentDisposition:res.headers.get(\"content-disposition\"),bytes:b.length,sha256:hex,head:new TextDecoder().decode(b.slice(0,40))}));\n",[230],"d52e8b63-d868-4954-860a-1b652b4113cf","qnet_fetch_2013_a.ts","556d68a2-b01b-11f1-8974-1607ee4eb77e",47,["D",1789376686895],"const artlSeq=\"5198191\", fileSeq=\"2180386\", filePath=\"bbs/Q004/Q004_2180386\", fileName=\"5. 3교시 자연과학개론 (A형) 최종본.pdf\";\nconst u=new URL(\"https://www.q-net.or.kr/cst003.do\");\nfor(const [k,v] of Object.entries({id:\"cst00302s01\",gSite:\"L\",gId:\"51\",fileCode:\"R001\",filePath,fileName,fileSeq,artlSeq,href:\"0\"})) u.searchParams.set(k,v);\nconst res=await fetch(u,{redirect:\"follow\",headers:{\"user-agent\":\"Mozilla/5.0\",\"referer\":\"https://www.q-net.or.kr/\"}});\nconst b=new Uint8Array(await res.arrayBuffer());\nconst sha=[...new Uint8Array(await crypto.subtle.digest(\"SHA-256\",b))].map(x=>x.toString(16).padStart(2,\"0\")).join(\"\");\nconsole.log(JSON.stringify({status:res.status,finalUrl:res.url,contentType:res.headers.get(\"content-type\"),contentDisposition:res.headers.get(\"content-disposition\"),bytes:b.length,sha256:sha,head:new TextDecoder().decode(b.slice(0,40))}));",[237],"c268f655-e02a-4abb-a15f-5187b31f3269","qnet_2014_crop_http.ts","e3ebcf8e-afed-11f1-8913-1607ee4eb77e",45,["D",1789357169085],"http","import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nexport default async function(req:Request){\n const u=new URL(req.url);\n const q=Number(u.searchParams.get(\"q\"));\n if(![2,7,10,14,18,19,28,32,35,37,40].includes(q)) return new Response(\"bad q\",{status:400});\n const key=`2014_R51_Q${String(q).padStart(2,\"0\")}_official_visual.png`;\n const r=await blob.get(key);\n const b=await r.arrayBuffer();\n return new Response(b,{headers:{\"content-type\":\"image/png\",\"cache-control\":\"no-store\",\"content-length\":String(b.byteLength)}});\n}",[244],"c6cea93c-9fc9-44d8-8399-cbe2a861f2bb","qnet_2014_a_http.ts","9282a5fa-afed-11f1-aeae-1607ee4eb77e",42,["D",1789357032517],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nexport default async function(){\n const r=await blob.get(\"2014_R51_NS_A_exact_qnet.pdf\");\n const b=await r.arrayBuffer();\n return new Response(b,{headers:{\"content-type\":\"application/pdf\",\"cache-control\":\"no-store\",\"content-length\":String(b.byteLength)}});\n}",[252],"59077838-d7e1-47fd-b89e-ae4d197e7478","q13_mupdf_http.ts","d5a73480-afe4-11f1-967e-1607ee4eb77e",26,["D",1789353279684],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nexport default async function(){\n const r=await blob.get(\"2015_R52_NS_B_Q13_mupdf_crop.jpg\");\n const b=await r.arrayBuffer();\n return new Response(b,{headers:{\"content-type\":\"image/jpeg\",\"cache-control\":\"no-store\",\"content-length\":String(b.byteLength)}});\n}",[259],"793641e5-f1e7-4fa5-a460-fa346f1c66e3","q13_crop_http.ts","67048f50-afdf-11f1-80f2-1607ee4eb77e",15,["D",1789350946602],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nexport default async function(){\n const r=await blob.get(\"2015_R52_NS_B_Q13_crop.jpg\");\n const b=await r.arrayBuffer();\n return new Response(b,{headers:{\"content-type\":\"image/jpeg\",\"cache-control\":\"no-store\",\"content-length\":String(b.byteLength)}});\n}",[266],"29f4aa91-fa73-4deb-a8f1-7e1775bfc9d6","probe_http1.ts","6303325e-afde-11f1-8703-1607ee4eb77e",5,["D",1789350527872],"import https from \"node:https\";\nimport {URL} from \"node:url\";\nconst SOURCE=\"https://www.byunrisa.com/nbyunrisa/board/Download.asp?boardName=pds&code=6&idx=3952&fileIdx=2499\";\nconst EXPECTED=\"f6422b0a83de18f20bbc9ad6747b76b52a81a510f8c60f144d652d4e4f1c2fac\";\nfunction get(url:string, depth=0):Promise<{status:number,headers:any,body:Uint8Array}>{\n return new Promise((resolve,reject)=>{\n const u=new URL(url);\n const req=https.get({protocol:u.protocol,hostname:u.hostname,port:u.port||443,path:u.pathname+u.search,headers:{\"User-Agent\":\"Mozilla/5.0\",\"Referer\":\"https://www.byunrisa.com/\"}},res=>{\n const status=res.statusCode||0;\n if([301,302,303,307,308].includes(status) && res.headers.location && depth<5){\n const next=new URL(res.headers.location,url).toString(); res.resume(); get(next,depth+1).then(resolve,reject); return;\n }\n const chunks:Uint8Array[]=[]; res.on(\"data\",(c)=>chunks.push(c)); res.on(\"end\",()=>{\n const len=chunks.reduce((n,c)=>n+c.length,0); const out=new Uint8Array(len); let off=0; for(const c of chunks){out.set(c,off);off+=c.length}\n resolve({status,headers:res.headers,body:out});\n }); res.on(\"error\",reject);\n }); req.on(\"error\",reject);\n });\n}\nconst x=await get(SOURCE);\nconst d=new Uint8Array(await crypto.subtle.digest(\"SHA-256\",x.body));\nlet sha=\"\"; for(const n of d) sha+=n.toString(16).padStart(2,\"0\");\nconst meta={status:x.status,bytes:x.body.length,sha256:sha,expected:EXPECTED,match:sha===EXPECTED,contentType:x.headers[\"content-type\"],contentDisposition:x.headers[\"content-disposition\"]}; console.log(JSON.stringify(meta)); export default meta;",[273],"cc4c30b3-d0c0-4736-89ff-6447529a3d33","probe.ts","55384c72-afde-11f1-942c-1607ee4eb77e",6,["D",1789350552963],"const SOURCE=\"https://blog.kakaocdn.net/dna/F6yLO/btrRlHCM9AR/AAAAAAAAAAAAAAAAAAAAAPpl0O0rvui4ipv820YTS0GLmMWueGoJoEXaUatcLnnm/3%EA%B5%90%EC%8B%9C-%EC%9E%90%EC%97%B0%EA%B3%BC%ED%95%99%EA%B0%9C%EB%A1%A0%20(B%ED%98%95).pdf?credential=yqXZFxpELC7KVnFOS48ylbz2pIh7yKj8&expires=1790780399&allow_ip=&allow_referer=&signature=WwuS%2BbjCBMohFu4s8OQjA06YcK8%3D&attach=1&knm=tfile.pdf\";\nconst EXPECTED=\"f6422b0a83de18f20bbc9ad6747b76b52a81a510f8c60f144d652d4e4f1c2fac\";\nconst r=await fetch(SOURCE);\nconst b=await r.arrayBuffer();\nconst d=new Uint8Array(await crypto.subtle.digest(\"SHA-256\",b));\nlet sha=\"\"; for(const x of d) sha+=x.toString(16).padStart(2,\"0\");\nconst meta={status:r.status,bytes:b.byteLength,sha256:sha,expected:EXPECTED,match:sha===EXPECTED,contentType:r.headers.get(\"content-type\"),contentDisposition:r.headers.get(\"content-disposition\")}; console.log(JSON.stringify(meta)); export default meta;",[280],"bf281952-d240-43c5-9580-1c1eac65ebc8","make_2014_hold_crops.ts","d9a600d0-afed-11f1-8661-1607ee4eb77e",44,["D",1789357151858],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport * as mupdf from \"npm:mupdf\";\nimport { PNG } from \"npm:pngjs@7.0.0\";\nconst holds=[2,7,10,14,18,19,28,32,35,37,40];\nconst r=await blob.get(\"2014_R51_NS_A_exact_qnet.pdf\");\nconst pdfBytes=new Uint8Array(await r.arrayBuffer());\nconst doc=mupdf.Document.openDocument(pdfBytes,\"application/pdf\");\nconst starts=[];\nfor(let pi=0;pi(l.text?[l.text]:[])).join(\" \").trim();\n const m=txt.match(/^\\s*(\\d{1,2})\\.\\s/);\n if(m) starts.push({qno:Number(m[1]),page:pi+1,y:b.bbox.y});\n }\n}\nconst byQ=Object.fromEntries(starts.map(x=>[x.qno,x]));\nconst out=[];\nfor(const q of holds){\n const s=byQ[q], n=byQ[q+1];\n const page=doc.loadPage(s.page-1);\n const pix=page.toPixmap(mupdf.Matrix.scale(2,2),mupdf.ColorSpace.DeviceRGB,false);\n const src=PNG.sync.read(Buffer.from(pix.asPNG()));\n const x0=Math.max(0,Math.round(45*2)), x1=Math.min(src.width,Math.round(550*2));\n const y0=Math.max(0,Math.round((s.y-12)*2));\n const yEndPt=(n&&n.page===s.page)?Math.max(s.y+80,n.y-10):760;\n const y1=Math.min(src.height,Math.round(yEndPt*2));\n const w=x1-x0,h=y1-y0;\n const crop=new PNG({width:w,height:h});\n for(let y=0;yx.toString(16).padStart(2,\"0\")).join(\"\");\n out.push({qno:q,page:s.page,crop_points:{x0:x0/2,y0:y0/2,x1:x1/2,y1:y1/2},width:w,height:h,bytes:png.length,sha256:sha,key});\n}\nawait blob.setJSON(\"2014_R51_HOLD11_CROP_INDEX.json\",{source_sha256:\"a57bb5f0aa063224550c7cc62160f269f355cd9f22181dc1e9f19850363e821d\",records:out});\nconsole.log(JSON.stringify({count:out.length,records:out}));",[287],"736de72d-87eb-4051-a1d6-f82911496f99",["D",1789376767086],[28],"2cb5d0fc-1d5d-48a1-a32c-d17d441fc18f","main.ts",7,["D",1789350568423],2,"const SOURCE = \"https://blog.kakaocdn.net/dna/F6yLO/btrRlHCM9AR/AAAAAAAAAAAAAAAAAAAAAPpl0O0rvui4ipv820YTS0GLmMWueGoJoEXaUatcLnnm/3%EA%B5%90%EC%8B%9C-%EC%9E%90%EC%97%B0%EA%B3%BC%ED%95%99%EA%B0%9C%EB%A1%A0%20(B%ED%98%95).pdf?credential=yqXZFxpELC7KVnFOS48ylbz2pIh7yKj8&expires=1790780399&allow_ip=&allow_referer=&signature=WwuS%2BbjCBMohFu4s8OQjA06YcK8%3D&attach=1&knm=tfile.pdf\";\nconst EXPECTED = \"f6422b0a83de18f20bbc9ad6747b76b52a81a510f8c60f144d652d4e4f1c2fac\";\nconst hex = (b: ArrayBuffer) => [...new Uint8Array(b)].map(x=>x.toString(16).padStart(2,\"0\")).join(\"\");\nexport default async function(req: Request) {\n try {\n const r = await fetch(SOURCE, {headers:{\"user-agent\":\"Mozilla/5.0\"}});\n if (!r.ok) return new Response(\"source fetch failed: \"+r.status,{status:502});\n const bytes = await r.arrayBuffer();\n const sha = hex(await crypto.subtle.digest(\"SHA-256\", bytes));\n const meta = {source:SOURCE, bytes: bytes.byteLength, sha256: sha, expected: EXPECTED, match: sha===EXPECTED, contentType:r.headers.get(\"content-type\")};\n if (new URL(req.url).pathname === \"/meta\") return Response.json(meta);\n if (sha !== EXPECTED) return Response.json(meta,{status:409});\n return new Response(bytes,{headers:{\"content-type\":\"application/pdf\",\"content-length\":String(bytes.byteLength),\"x-pb-sha256\":sha,\"cache-control\":\"no-store\"}});\n } catch (e) {\n return Response.json({error:String(e),source:SOURCE},{status:502});\n }\n}",[297],"3c3b20ba-34eb-4ae7-8a41-ca8d21ff3096","locate_2014_questions.ts","c2af6376-afed-11f1-b78f-1607ee4eb77e",43,["D",1789357113317],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport * as mupdf from \"npm:mupdf\";\nconst r=await blob.get(\"2014_R51_NS_A_exact_qnet.pdf\");\nconst doc=mupdf.Document.openDocument(new Uint8Array(await r.arrayBuffer()),\"application/pdf\");\nconst out=[];\nfor(let pi=0;pi(l.text?[l.text]:[])).join(\" \").trim();\n const m=txt.match(/^\\s*(\\d{1,2})\\.\\s/);\n if(m) out.push({qno:Number(m[1]),page:pi+1,bbox:b.bbox,text:txt.slice(0,140)});\n }\n}\nconsole.log(JSON.stringify({pages:doc.countPages(),starts:out}));",[304],"5f78e214-2b60-4db0-925e-cfa5af6babb5","inspect_stream_type.ts","bd4d76e6-afe5-11f1-93d0-1607ee4eb77e",32,["D",1789353668345],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport * as mupdf from \"npm:mupdf\";\nconst src=await blob.get(\"2015_R52_NS_B_exact.pdf\");\nconst bytes=new Uint8Array(await src.arrayBuffer());\nconst doc=mupdf.Document.openDocument(bytes,\"application/pdf\");\nconst c=doc.loadPage(4).getObject().resolve().get(\"Contents\");\nconst s=c.readStream();\nconsole.log(JSON.stringify({type:typeof s,ctor:s?.constructor?.name,proto:Object.getOwnPropertyNames(Object.getPrototypeOf(s)),str:String(s).slice(0,1000)}));",[311],"74bd397e-e337-43a7-8768-5771553ab942","inspect_stext_api.ts","e21d393e-afe5-11f1-a068-1607ee4eb77e",36,["D",1789353730098],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport * as mupdf from \"npm:mupdf\";\nconst src=await blob.get(\"2015_R52_NS_B_exact.pdf\");\nconst bytes=new Uint8Array(await src.arrayBuffer());\nconst doc=mupdf.Document.openDocument(bytes,\"application/pdf\");\nconst st=doc.loadPage(4).toStructuredText(\"preserve-images\");\nlet proto=Object.getPrototypeOf(st), out=[];\nfor(let i=0;proto&&i<5;i++,proto=Object.getPrototypeOf(proto)) out.push(Object.getOwnPropertyNames(proto));\nconsole.log(JSON.stringify({proto:out,str:String(st).slice(0,1000)}));",[318],"933bd1ef-386a-440a-bd69-ae68d88b6c9b","inspect_pdfobj_api.ts","a3149a5c-afe5-11f1-9efe-1607ee4eb77e",28,["D",1789353624322],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport * as mupdf from \"npm:mupdf\";\nconst src=await blob.get(\"2015_R52_NS_B_exact.pdf\");\nconst bytes=new Uint8Array(await src.arrayBuffer());\nconst doc=mupdf.Document.openDocument(bytes,\"application/pdf\");\nconst page=doc.loadPage(4);\nconst obj=page.getObject();\nconsole.log(JSON.stringify({\n objProto:Object.getOwnPropertyNames(Object.getPrototypeOf(obj)),\n objStr:String(obj).slice(0,5000)\n}));",[325],"1483ee4b-b390-4343-9f67-ec3cebc06b47","inspect_page5_png.ts","16bc2d78-afdf-11f1-be1b-1607ee4eb77e",13,["D",1789350832736],"import { blob } from \"https://esm.town/v/std/blob/main.ts\";\nimport { PNG } from \"npm:pngjs@7.0.0\";\nconst r=await 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