-1

star-lite/viz/dist/assets/index-8jzqULgS.css

reviewed

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-25

star-lite/viz/dist/assets/index-C84nv0nn.js

reviewed

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<input class="scrub svelte-1y71c66" type="range" min="0"/> <label class="speed svelte-1y71c66">speed <input type="range" min="0.25" max="4" step="0.25" class="svelte-1y71c66"/> <span class="svelte-1y71c66"> </span></label> <span class="counter svelte-1y71c66"> </span></div>');function uf(e,t){Tn(t,!0);let r=Yn(t,"i"),n=Yn(t,"playing"),i=Yn(t,"speed");var s=cf(),o=L(s),f=E(o,2),l=E(f,2),c=L(l),u=E(l,2),h=E(u,2),v=E(h,2),_=E(L(v)),p=E(_,2),w=L(p),g=E(v,2),m=L(g);K(k=>{y(l,"title",n()?"pause":"play"),Q(c,n()?"⏸":"▶"),y(h,"max",t.total-1),Q(w,`${k??""}×`),Q(m,`${r()+1} / ${t.total??""}`)},[()=>i().toFixed(2)]),Yr("click",o,function(...k){var b;(b=t.onReset)==null||b.apply(this,k)}),Yr("click",f,()=>t.onStep(-1)),Yr("click",l,()=>n(!n())),Yr("click",u,()=>t.onStep(1)),Ki(h,r),Ki(_,i),z(e,s),Ln()}Hs(["click"]);var df=Zt('<label class="svelte-1n46o8q"><input type="radio" class="svelte-1n46o8q"/> </label>'),hf=Zt('<p class="msg err svelte-1n46o8q"> </p>'),vf=Zt('<p class="msg ok svelte-1n46o8q"> </p>'),pf=Zt('<p class="msg muted svelte-1n46o8q"><code class="svelte-1n46o8q"> </code></p>'),_f=Zt(`<p class="svelte-1n46o8q"><strong>CAR mode:</strong> the <em>byte_log</em> strip below the stream shows CARv1 frames 3 3 - in <em>creation order</em> — each record and each frozen MST node gets framed and 4 4 - appended. The <em>output</em> strip shows the same frames re-ordered into CAR 5 5 - stream-order (preorder MST traversal) by the root's emit plan, after the root is 6 6 - frozen. The dashed marker on byte_log shows the next frame the emit plan reads — its 7 7 - non-monotonic motion is exactly the random access that buffering avoids.</p> <p class="svelte-1n46o8q">Between byte_log and the output strip, <em>subtree spans</em> grow as the algorithm 8 8 - runs: each frozen subtree's emit_plan covers a contiguous range of byte_log positions 9 9 - (from its earliest contributing record up to the node's own frame), so we can draw it 10 10 - as a bar the moment it freezes. Smaller L0 spans get folded into wider L1 spans when 11 11 - their parent freezes, eventually rolling up into a single root span covering the 12 12 - entire byte_log — at that point the smaller spans dim away, since they've been 13 13 - absorbed into the final plan.</p> <p class="svelte-1n46o8q">During the emit phase, the root bracket — the final plan — is walked linearly. 14 14 - The amber playhead on the output strip is the linear scan position. For each step, 15 15 - the plan tells us which byte_log entry to fetch: a dashed line drops from the 16 16 - byte_log frame down to the root bracket at the same x, showing the plan→byte_log 17 17 - fetch. The byte_log indicator jumps non-monotonically (random access) while the 18 18 - output playhead advances linearly (linear write).</p>`,1),yf=Zt(`<main><header><h1> </h1> <p>step <span class="ev"> </span> &middot; <span class="ev"> </span> </p></header> <div class="mode-toggle svelte-1n46o8q">mode: <label class="svelte-1n46o8q"><input type="radio" class="svelte-1n46o8q"/> verify</label> <label class="svelte-1n46o8q"><input type="radio" class="svelte-1n46o8q"/> CAR conversion</label></div> <div class="dataset-picker svelte-1n46o8q"><!> <span class="spacer svelte-1n46o8q"></span> <label class="file-button svelte-1n46o8q"><input type="file" accept=".star,.car,application/octet-stream" hidden=""/> load .star or .car file…</label></div> <!> <!> <!> <!> <footer class="svelte-1n46o8q"><p class="svelte-1n46o8q">Stream is at the bottom (lex-ordered keys, layer tags below). The cursor sweeps left to 19 19 - right. Each MST node lives in its layer's row, spanning the keys it covers. Active 20 20 - (in-stack) nodes glow cyan; frozen nodes fade to gray once their CID has been linked into 21 21 - a parent. The final root node lights up amber.</p> <p class="svelte-1n46o8q">For loaded .star files, layers come from <code class="svelte-1n46o8q">floor(leading_zero_bits(sha256(key)) / 2)</code> (atproto MST fanout 4). 22 22 - Record CIDs and node CIDs in this viz are placeholders — visualizing the structure 23 23 - doesn't require the actual DAG-CBOR encoding step.</p> <p class="svelte-1n46o8q">Node labels: <code class="svelte-1n46o8q">Ne</code> = N direct entries (key/value pairs at this layer); <code class="svelte-1n46o8q">Ns</code> = N subtree links (left + per-entry right) into lower layers. 24 24 - A non-root MST node always has at least 1 entry; subtree count is bounded by <code class="svelte-1n46o8q">entries + 1</code>.</p> <!></footer></main>`);function gf(e,t){Tn(t,!0);const r=[],n=[];let i=ye("small"),s=ye("verify"),o=ye(null),f=ye(null),l=ye(null);function c(A){return A.length>=3&&A[0]===42&&A[1]===108&&A[2]===0?"star":"car"}let u=C(()=>a(i)==="custom"&&a(o)?a(o).dataset:Vn[a(i)]),h=C(()=>Ya(a(u),a(s))),v=C(()=>a(h).snapshots),_=ye(0),p=ye(!1),w=ye(1),g=C(()=>a(v)[Math.min(a(_),a(v).length-1)]);oi(()=>{a(i),a(s),N(_,0),N(p,!1)}),oi(()=>{if(!a(p))return;const A=Math.max(60,800/a(w)),$=setInterval(()=>{a(_)<a(v).length-1?N(_,a(_)+1):N(p,!1)},A);return()=>clearInterval($)});function m(A){N(_,Math.max(0,Math.min(a(v).length-1,a(_)+A)),!0)}function k(){N(_,0),N(p,!1)}async function b(A){const $=A.target.files[0];if($){N(l,null),N(f,`parsing ${$.name}…`);try{const oe=await $.arrayBuffer(),We=new Uint8Array(oe),ft=c(We);let ct,Ft;if(ft==="star"){const G=Qa(oe);ct=G.records,Ft=`STAR header CID digest: ${G.headerCidHex}`}else{const G=Dl(oe);ct=G.records,Ft=`CAR commit CID: ${G.commitCidString} · MST root: ${G.dataCidString} · ${G.blockCount} blocks`}N(f,`${ft.toUpperCase()}: computing layers for ${ct.length} keys…`);const $r=await Fl(ct.map(G=>G.key)),Kr=ct.map((G,Kt)=>({key:G.key,layer:$r[Kt]}));N(o,{label:$.name,dataset:Kr,headerLabel:Ft,sourceFormat:ft},!0),N(i,"custom");const $t=$r.reduce((G,Kt)=>(G[Kt]=(G[Kt]??0)+1,G),{}),fn=Object.keys($t).sort((G,Kt)=>+G-+Kt).map(G=>`L${G}:${$t[G]}`).join(" ");N(f,`loaded ${$.name} (${ft.toUpperCase()}) — ${Kr.length} keys (${fn})`)}catch(oe){console.error(oe),N(l,`failed to load ${$.name}: ${oe.message}`),N(f,null)}finally{A.target.value=""}}}let B=C(()=>[...Object.keys(Vn).map(A=>({value:A,label:`${A} (${Vn[A].length})`})),...a(o)?[{value:"custom",label:`${a(o).label} (${a(o).dataset.length})`}]:[]]);var te=yf(),ke=L(te),J=L(ke),je=L(J),ot=E(J,2),he=E(L(ot)),qt=L(he),Ye=E(he,2),ze=L(Ye),zt=E(Ye),Z=E(ke,2),Ve=E(L(Z)),at=L(Ve);at.value=at.__value="verify";var yr=E(Ve,2),we=L(yr);we.value=we.__value="car";var Bt=E(Z,2),Nr=L(Bt);pt(Nr,17,()=>a(B),er,(A,$)=>{var oe=df(),We=L(oe),ft,ct=E(We);K(()=>{ft!==(ft=a($).value)&&(We.value=(We.__value=a($).value)??""),Q(ct,` ${a($).label??""}`)}),Hn(n,[],We,()=>(a($).value,a(i)),Ft=>N(i,Ft)),z(A,oe)});var Et=E(Nr,4),Pn=L(Et),gr=E(Bt,2);{var St=A=>{var $=hf(),oe=L($);K(()=>Q(oe,a(l))),z(A,$)},Be=A=>{var $=vf(),oe=L($);K(()=>Q(oe,a(f))),z(A,$)};xe(gr,A=>{a(l)?A(St):a(f)&&A(Be,1)})}var Nt=E(gr,2);{var Ee=A=>{var $=pf(),oe=L($),We=L(oe);K(()=>Q(We,a(o).headerLabel)),z(A,$)};xe(Nt,A=>{a(i)==="custom"&&a(o)&&A(Ee)})}var lt=E(Nt,2);ff(lt,{get snapshot(){return a(g)},get dataset(){return a(u)},get frozenList(){return a(h).frozen},get parentIndex(){return a(h).parentIndex},get byteLog(){return a(h).byteLog},get emitOutput(){return a(h).emitOutput},get mode(){return a(s)}});var Fr=E(lt,2);uf(Fr,{get total(){return a(v).length},onStep:m,onReset:k,get i(){return a(_)},set i(A){N(_,A,!0)},get playing(){return a(p)},set playing(A){N(p,A,!0)},get speed(){return a(w)},set speed(A){N(w,A,!0)}});var ln=E(Fr,2),Dn=E(L(ln),6);{var qn=A=>{var $=_f();z(A,$)};xe(Dn,A=>{a(s)==="car"&&A(qn)})}K(A=>{Q(je,`STAR-lite — ${a(s)==="verify"?"verification":"CAR conversion"}`),Q(qt,`${a(_)+1} / ${a(v).length??""}`),Q(ze,a(g).event.type),Q(zt,` · 25 25 - ${A??""}`)},[()=>Va(a(g).event)]),Hn(r,[],at,()=>a(s),A=>N(s,A)),Hn(r,[],we,()=>a(s),A=>N(s,A)),Yr("change",Pn,b),z(e,te),Ln()}Hs(["change"]);Ca(gf,{target:document.getElementById("app")});

+1

star-lite/viz/dist/assets/index-Cm9mp-hs.css

reviewed

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+26

star-lite/viz/dist/assets/index-DkuL9h-J.js

reviewed

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rollup";case"finalFreezeSkipEmpty":return`final rollup: layer ${e.layer} empty — skip`;case"finalFreezeNode":return e.framePosition!==null&&e.framePosition!==void 0?`final rollup: freeze layer ${e.layer} → CID ${e.cid}, frame at byte_log[${e.framePosition}], link into layer ${e.layer+1}`:`final rollup: freeze layer ${e.layer} → CID ${e.cid}, link into layer ${e.layer+1}`;case"rootCid":return`root CID: ${e.rootCid}`;case"emitFrame":return`emit byte_log[${e.framePos}] → output[${e.outputIdx}]`;case"carDone":return"CAR conversion complete";default:return e.type}}const Ua=[{key:"aa",layer:0},{key:"ab",layer:0},{key:"ac",layer:0},{key:"ad",layer:1},{key:"ae",layer:0},{key:"af",layer:0},{key:"ag",layer:0},{key:"ah",layer:1},{key:"ai",layer:0},{key:"aj",layer:2},{key:"ak",layer:0},{key:"al",layer:0},{key:"am",layer:1},{key:"an",layer:0},{key:"ao",layer:0},{key:"ap",layer:0}],ja=[{key:"aa",layer:0},{key:"ab",layer:0},{key:"ac",layer:1},{key:"ad",layer:0},{key:"ae",layer:0}],Ya=[{key:"aa",layer:1},{key:"ab",layer:1},{key:"ac",layer:2},{key:"ad",layer:0},{key:"ae",layer:0}],Yn={small:Ua,tiny:ja,emptyBottom:Ya},Va=[42,108,0],Wa=[1,113,18,32],Vn=36,Hi=4096,Ui=830,ji=1024*1024;function Wn(e,t){let r=0,n=1,i=t;for(;i<e.length;){const s=e[i++];if(r+=(s&127)*n,(s&128)===0){if(!Number.isSafeInteger(r))throw new Error("varint overflow");return[r,i-t]}if(n*=128,n>2**49)throw new Error("varint too long")}throw new Error("varint truncated at end of buffer")}function Gn(e){return Array.from(e,t=>t.toString(16).padStart(2,"0")).join("")}function Ga(e){const t=new Uint8Array(e);let r=0;if(t.length<3+Vn+1)throw new Error("file too short to contain a STAR-lite header");for(let u=0;u<3;u++)if(t[r+u]!==Va[u])throw new Error(`bad magic at offset 0: expected 2a 6c 00, got ${Gn(t.slice(0,3))}`);r+=3;const n=t.slice(r,r+Vn);for(let u=0;u<4;u++)if(n[u]!==Wa[u])throw new Error(`bad CID prefix: expected 01 71 12 20, got ${Gn(n.slice(0,4))}`);const i=n.slice(4);r+=Vn;const[s,o]=Wn(t,r);if(r+=o,s>Hi)throw new Error(`partial commit cbor len ${s} exceeds max ${Hi}`);if(r+s>t.length)throw new Error("truncated partial commit cbor");const c=s>0?t.slice(r,r+s):null;r+=s;const l=new TextDecoder("utf-8",{fatal:!0}),f=[];for(;r<t.length;){const[u,h]=Wn(t,r);if(r+=h,u>Ui)throw new Error(`record ${f.length}: key len ${u} exceeds max ${Ui}`);if(r+u>t.length)throw new Error(`record ${f.length}: truncated key`);let v;try{v=l.decode(t.slice(r,r+u))}catch{throw new Error(`record ${f.length}: key is not valid utf-8`)}r+=u;const[_,p]=Wn(t,r);if(r+=p,_>ji)throw new Error(`record ${f.length}: record len ${_} exceeds max ${ji}`);if(r+_>t.length)throw new Error(`record ${f.length}: truncated record body`);if(r+=_,f.length>0&&v<=f[f.length-1].key)throw new Error(`record ${f.length}: key "${v}" not in strict lex order after "${f[f.length-1].key}"`);f.push({key:v,recordSize:_})}return{headerCidDigest:i,headerCidHex:Gn(i),partialCommit:c,records:f}}new TextEncoder;const Yi=new TextDecoder,Xa=e=>new Uint8Array(e),Ja=Xa,Ce=String.fromCharCode,Za=(e,t,r)=>{if(r<4){if(r<2){if(r===0)return"";const ne=e[t];return ne&128?null:Ce(ne)}const k=e[t],x=e[t+1];if((k|x)&128)return null;if(r===2)return Ce(k,x);const N=e[t+2];return N&128?null:Ce(k,x,N)}const n=e[t],i=e[t+1],s=e[t+2],o=e[t+3];if((n|i|s|o)&128)return null;if(r<8){if(r===4)return Ce(n,i,s,o);const k=e[t+4];if(k&128)return null;if(r===5)return Ce(n,i,s,o,k);const x=e[t+5];if(x&128)return null;if(r===6)return Ce(n,i,s,o,k,x);const N=e[t+6];return N&128?null:Ce(n,i,s,o,k,x,N)}const c=e[t+4],l=e[t+5],f=e[t+6],u=e[t+7];if((c|l|f|u)&128)return null;if(r<12){if(r===8)return Ce(n,i,s,o,c,l,f,u);const k=e[t+8];if(k&128)return null;if(r===9)return Ce(n,i,s,o,c,l,f,u,k);const x=e[t+9];if(x&128)return null;if(r===10)return Ce(n,i,s,o,c,l,f,u,k,x);const N=e[t+10];return N&128?null:Ce(n,i,s,o,c,l,f,u,k,x,N)}const h=e[t+8],v=e[t+9],_=e[t+10],p=e[t+11];if((h|v|_|p)&128)return null;if(r===12)return Ce(n,i,s,o,c,l,f,u,h,v,_,p);const w=e[t+12];if(w&128)return null;if(r===13)return Ce(n,i,s,o,c,l,f,u,h,v,_,p,w);const g=e[t+13];if(g&128)return null;if(r===14)return Ce(n,i,s,o,c,l,f,u,h,v,_,p,w,g);const m=e[t+14];return m&128?null:Ce(n,i,s,o,c,l,f,u,h,v,_,p,w,g,m)},Qa=(e,t=0,r=e.length)=>{if(r<=15){const n=Za(e,t,r);if(n!==null)return n}return t===0&&r===e.length?Yi.decode(e):Yi.decode(e.subarray(t,t+r))},el=(e,t,r)=>n=>{const i=(1<<t)-1;let s="",o=0,c=0;for(let l=0;l<n.length;++l)for(c=c<<8|n[l],o+=8;o>t;)o-=t,s+=e[i&c>>o];if(o!==0&&(s+=e[i&c<<t-o]),r)for(;(s.length*t&7)!==0;)s+="=";return s},tl=(e,t,r)=>{const n={};for(let i=0;i<e.length;++i)n[e[i]]=i;return i=>{let s=i.length;for(;r&&i[s-1]==="=";)--s;const o=Ja(s*t/8|0);let c=0,l=0,f=0;for(let u=0;u<s;++u){const h=n[i[u]];if(h===void 0)throw new SyntaxError("invalid base string");l=l<<t|h,c+=t,c>=8&&(c-=8,o[f++]=255&l>>c)}if(c>=t||(255&l<<8-c)!==0)throw new SyntaxError("unexpected end of data");return o}},rl=e=>Uint8Array.fromBase64(e,{alphabet:"base64",lastChunkHandling:"loose"}),nl=e=>e.toBase64({alphabet:"base64",omitPadding:!0}),js="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/",il=tl(js,6,!1),sl=el(js,6,!1),Ys="fromBase64"in Uint8Array,ol=Ys?rl:il,al=Ys?nl:sl,ll="abcdefghijklmnopqrstuvwxyz234567",fl=(()=>{const e=new Uint8Array(32);for(let t=0;t<32;t++)e[t]=ll.charCodeAt(t);return e})(),vn=String.fromCharCode,Vs=e=>{const t=e.length,r=t/5|0,n=t-r*5,i=fl;let s="",o=0;const c=r/2|0;for(let l=0;l<c;l++){const f=e[o],u=e[o+1],h=e[o+2],v=e[o+3],_=e[o+4],p=e[o+5],w=e[o+6],g=e[o+7],m=e[o+8],k=e[o+9];s+=vn(i[f>>>3],i[(f<<2|u>>>6)&31],i[u>>>1&31],i[(u<<4|h>>>4)&31],i[(h<<1|v>>>7)&31],i[v>>>2&31],i[(v<<3|_>>>5)&31],i[_&31],i[p>>>3],i[(p<<2|w>>>6)&31],i[w>>>1&31],i[(w<<4|g>>>4)&31],i[(g<<1|m>>>7)&31],i[m>>>2&31],i[(m<<3|k>>>5)&31],i[k&31]),o+=10}if(r&1){const l=e[o],f=e[o+1],u=e[o+2],h=e[o+3],v=e[o+4];s+=vn(i[l>>>3],i[(l<<2|f>>>6)&31],i[f>>>1&31],i[(f<<4|u>>>4)&31],i[(u<<1|h>>>7)&31],i[h>>>2&31],i[(h<<3|v>>>5)&31],i[v&31]),o+=5}if(n>0){let l=0,f=0;for(let u=o;u<t;u++)l=l<<8|e[u],f+=8;for(;f>=5;)f-=5,s+=vn(i[l>>>f&31]);f>0&&(s+=vn(i[l<<5-f&31]))}return s},fi=1,Ws=18,Gs=85,Xs=113,cl=e=>{if(e.length<36)throw new RangeError("cid too short");const t=e[0],r=e[1],n=e[2],i=e[3];if(t!==fi)throw new RangeError(`incorrect cid version (got v${t})`);if(r!==Xs&&r!==Gs)throw new RangeError(`incorrect cid codec (got 0x${r.toString(16)})`);if(n!==Ws)throw new RangeError(`incorrect cid digest codec (got 0x${n.toString(16)})`);if(i!==32)throw new RangeError(`incorrect cid digest size (got ${i})`);return[{version:fi,codec:r,digest:{codec:n,contents:e.subarray(4,36)},bytes:e.subarray(0,36)},e.subarray(36)]},ul=e=>{const[t,r]=cl(e);if(r.length!==0)throw new RangeError("cid bytes includes remainder");return t},Js=e=>`b${Vs(e.bytes)}`,dl=e=>{if(e.length!==37||e[0]!==0)throw new SyntaxError("invalid binary cid");return ul(e.subarray(1))},hl=Symbol.for("@atcute/cid-link-wrapper");var Ji;Ji=hl;class Zs{constructor(t){Se(this,Ji,!0);Se(this,"bytes");this.bytes=t}get $link(){const t=`b${Vs(this.bytes)}`;return Object.defineProperty(this,"$link",{value:t,enumerable:!0}),t}toJSON(){return{$link:this.$link}}}const vl=Symbol.for("@atcute/bytes-wrapper");var Zi;Zi=vl;class Qs{constructor(t){Se(this,"buf");Se(this,Zi,!0);this.buf=t}get $bytes(){return al(this.buf)}toJSON(){return{$bytes:this.$bytes}}}const pl=e=>new Qs(e),_l=e=>e instanceof Qs?e.buf:ol(e.$bytes),ci=(e,t)=>{if(t<24)return t;let r;switch(t){case 24:{if(r=En(e),r<24)throw new TypeError("non-canonical argument encoding");break}case 25:{if(r=gl(e),r<256)throw new TypeError("non-canonical argument encoding");break}case 26:{if(r=ui(e),r<65536)throw new TypeError("non-canonical argument encoding");break}case 27:{if(r=ml(e),r<4294967296)throw new TypeError("non-canonical argument encoding");break}default:throw new Error(`invalid argument encoding; got ${t}`)}return r},yl=e=>{const r=(e.v??(e.v=new DataView(e.b.buffer,e.b.byteOffset,e.b.byteLength))).getFloat64(e.p);return e.p+=8,r},En=e=>e.b[e.p++],gl=e=>{let t=e.p;const r=e.b,n=r[t++]<<8|r[t++];return e.p=t,n},ui=e=>{let t=e.p;const r=e.b,n=(r[t++]<<24|r[t++]<<16|r[t++]<<8|r[t++])>>>0;return e.p=t,n},ml=e=>{const t=ui(e),r=ui(e);if(t>2097151)throw new RangeError("can't decode integers beyond safe integer range");return t*2**32+r},eo=(e,t)=>{const r=Qa(e.b,e.p,t);return e.p+=t,r},wl=(e,t)=>{const r=e.b.subarray(e.p,e.p+=t);return pl(r)},bl=(e,t)=>{const r=dl(e.b.subarray(e.p,e.p+=t));return new Zs(r.bytes)},Vi=e=>{const t=En(e),r=t>>5;if(r!==3)throw new TypeError(`expected map to only have string keys; got type ${r}`);const n=t&31,i=n<24?n:ci(e,n);return eo(e,i)},xl=e=>{const t=e.length,r={b:e,v:null,p:0};let n=null,i;e:for(;r.p<t;){const s=En(r),o=s>>5,c=s&31,l=o===7?0:c<24?c:ci(r,c);switch(o){case 0:{i=l;break}case 1:{i=-1-l;break}case 2:{i=wl(r,l);break}case 3:{i=eo(r,l);break}case 4:{if(l>0){n={t:1,c:i=new Array(l),k:null,r:l,n};continue e}i=[];break}case 5:{if(i={},l>0){const f=Vi(r);n={t:0,c:i,k:f,r:l,n};continue e}break}case 6:{switch(l){case 42:{const f=En(r),u=f>>5,h=f&31;if(u!==2)throw new TypeError(`expected cid-link to be type 2 (bytes); got type ${u}`);const v=ci(r,h);i=bl(r,v);break}default:throw new TypeError(`unsupported tag; got ${l}`)}break}case 7:{switch(c){case 20:case 21:{i=c===21;break}case 22:{i=null;break}case 27:{i=yl(r);break}default:throw new Error(`invalid simple value; got ${c}`)}break}default:throw new TypeError(`invalid type; got ${o}`)}for(;n!==null;){switch(n.t){case 0:{const f=n.c,u=n.k;u==="__proto__"&&Object.defineProperty(f,u,{enumerable:!0,configurable:!0,writable:!0}),f[u]=i;break}case 1:{const f=n.c,u=f.length-n.r;f[u]=i;break}}if(--n.r){if(!n.t){const f=n.k,u=Vi(r);if(n.k=u,(u.length-f.length||(u>f?1:u<f?-1:0))<=0)throw new TypeError("map keys are not in canonical order or contain duplicates")}continue e}i=n.c,n=n.n}break}return[i,e.subarray(r.p)]},di=e=>{const[t,r]=xl(e);if(r.length!==0)throw new Error("decoded value contains remainder");return t},xr=128,kr=127,kl=2**28,El=Math.min,to=(e,t=0,r=e.length)=>{const n=El(t+r,e.length);let i=t;if(i>=n)throw new RangeError("could not decode varint");let s=e[i++],o=s&kr;if(s<xr)return{value:o,nextOffset:i};if(i>=n)throw new RangeError("could not decode varint");if(s=e[i++],o|=(s&kr)<<7,s<xr)return{value:o,nextOffset:i};if(i>=n)throw new RangeError("could not decode varint");if(s=e[i++],o|=(s&kr)<<14,s<xr)return{value:o,nextOffset:i};if(i>=n)throw new RangeError("could not decode varint");if(s=e[i++],o|=(s&kr)<<21,s<xr)return{value:o,nextOffset:i};if(i>=n)throw new RangeError("could not decode varint");if(s=e[i++],o+=(s&kr)*kl,s<xr)return{value:o,nextOffset:i};let c=35;do{if(i>=n)throw new RangeError("could not decode varint");s=e[i++],o+=(s&kr)*2**c,c+=7}while(s>=xr);return{value:o,nextOffset:i}},Sl=e=>{if(e===null||typeof e!="object")return!1;const{version:t,roots:r}=e;return t===1&&Array.isArray(r)&&r.every(n=>n instanceof Zs)},Cl=e=>{const{header:t,nextOffset:r}=Al(e,0);let n=r;return{header:t,roots:t.data.roots,iterate(){return{next(){if(n>=e.length)return{done:!0,value:void 0};const i=n,{value:s,nextOffset:o}=to(e,n,8);n=o;const c=n,{cid:l,nextOffset:f}=Il(e,n);n=f;const u=n,h=s-(u-c);if(h<0||u+h>e.length)throw new RangeError("unexpected end of data");const v=u+h,_=e.subarray(u,v);return n=v,{done:!1,value:{cid:l,bytes:_,entryStart:i,entryEnd:v,cidStart:c,cidEnd:u,bytesStart:u,bytesEnd:v}}},[Symbol.iterator](){return this}}},[Symbol.iterator](){return this.iterate()}}},Al=(e,t)=>{const r=t,{value:n,nextOffset:i}=to(e,t,8);if(n===0)throw new RangeError("invalid car header; length=0");const s=i,o=s+n;if(o>e.length)throw new RangeError("unexpected end of data");const c=di(e.subarray(s,o));if(!Sl(c))throw new TypeError("expected a car v1 archive");return{header:{data:c,headerStart:r,headerEnd:o,dataStart:s,dataEnd:o},nextOffset:o}},Il=(e,t)=>{const r=t+36;if(r>e.length)throw new RangeError("unexpected end of data");const n=e.subarray(t,r),i=n[0],s=n[1],o=n[2],c=n[3];if(i!==fi)throw new RangeError(`incorrect cid version (got v${i})`);if(s!==Xs&&s!==Gs)throw new RangeError(`incorrect cid codec (got 0x${s.toString(16)})`);if(o!==Ws)throw new RangeError(`incorrect cid digest type (got 0x${o.toString(16)})`);if(c!==32)throw new RangeError(`incorrect cid digest size (got ${c})`);return{cid:{version:i,codec:s,digest:{codec:o,contents:n.subarray(4,36)},bytes:n},nextOffset:r}},Rl=new TextDecoder("utf-8",{fatal:!0});new TextEncoder;function Wi(e){if(e&&typeof e.$link=="string")return e.$link;if(e&&e.bytes)return Js(e);throw new Error("expected CidLink or Cid")}function Tl(e){return e&&e.buf instanceof Uint8Array?e.buf:_l(e)}function Ll(e){const t=new Uint8Array(e),r=Cl(t),n=new Map;for(const h of r)n.set(Js(h.cid),h.bytes);if(!r.roots.length)throw new Error("CAR has no root CIDs");const i=Wi(r.roots[0]),s=n.get(i);if(!s)throw new Error(`commit block not in CAR: ${i}`);let o;try{o=di(s)}catch(h){throw new Error(`commit block is not valid DAG-CBOR: ${h.message}`)}if(!o.data||typeof o.data.$link!="string")throw new Error("commit has no `data` CidLink to MST root");const c=o.data.$link,l=[];let f=new Uint8Array(0);function u(h){const v=Wi(h),_=n.get(v);if(!_)throw new Error(`MST block not in CAR: ${v}`);let p;try{p=di(_)}catch(w){throw new Error(`MST node ${v} 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The <em>output</em> strip shows the same frames re-ordered into CAR 5 5 + stream-order (preorder MST traversal) by the root's emit plan, after the root is 6 6 + frozen. The dashed marker on byte_log shows the next frame the emit plan reads — its 7 7 + non-monotonic motion is exactly the random access that buffering avoids.</p> <p class="svelte-1n46o8q">Between byte_log and the output strip, <em>subtree spans</em> grow as the algorithm 8 8 + runs: each frozen subtree's emit_plan covers a contiguous range of byte_log positions 9 9 + (from its earliest contributing record up to the node's own frame), so we can draw it 10 10 + as a bar the moment it freezes. Smaller L0 spans get folded into wider L1 spans when 11 11 + their parent freezes, eventually rolling up into a single root span covering the 12 12 + entire byte_log — at that point the smaller spans dim away, since they've been 13 13 + absorbed into the final plan.</p> <p class="svelte-1n46o8q">The <em>emit_plan</em> strip below the brackets shows the root's plan as a flat 14 14 + sequence of <em>pointer squares</em> — one per byte_log entry. Each square's color 15 15 + matches the byte_log frame it points to (with a small <code class="svelte-1n46o8q">→N</code> label when 16 16 + wide enough). On readout, we walk the plan linearly: pending squares are dim, the 17 17 + current one lights amber, already-read squares stay full-color. The dashed line 18 18 + from byte_log down to the current plan square is the random-access fetch the 19 19 + current pointer triggered.</p>`,1),hf=Zt(`<main><header><h1> </h1> <p>step <span class="ev"> </span> &middot; <span class="ev"> </span> </p></header> <div class="mode-toggle svelte-1n46o8q">mode: <label class="svelte-1n46o8q"><input type="radio" class="svelte-1n46o8q"/> verify</label> <label class="svelte-1n46o8q"><input type="radio" class="svelte-1n46o8q"/> CAR conversion</label></div> <div class="dataset-picker svelte-1n46o8q"><!> <span class="spacer svelte-1n46o8q"></span> <label class="file-button svelte-1n46o8q"><input type="file" accept=".star,.car,application/octet-stream" hidden=""/> load .star or .car file…</label></div> <!> <!> <!> <!> <footer class="svelte-1n46o8q"><p class="svelte-1n46o8q">Stream is at the bottom (lex-ordered keys, layer tags below). The cursor sweeps left to 20 20 + right. Each MST node lives in its layer's row, spanning the keys it covers. Active 21 21 + (in-stack) nodes glow cyan; frozen nodes fade to gray once their CID has been linked into 22 22 + a parent. The final root node lights up amber.</p> <p class="svelte-1n46o8q">For loaded .star files, layers come from <code class="svelte-1n46o8q">floor(leading_zero_bits(sha256(key)) / 2)</code> (atproto MST fanout 4). 23 23 + Record CIDs and node CIDs in this viz are placeholders — visualizing the structure 24 24 + doesn't require the actual DAG-CBOR encoding step.</p> <p class="svelte-1n46o8q">Node labels: <code class="svelte-1n46o8q">Ne</code> = N direct entries (key/value pairs at this layer); <code class="svelte-1n46o8q">Ns</code> = N subtree links (left + per-entry right) into lower layers. 25 25 + A non-root MST node always has at least 1 entry; subtree count is bounded by <code class="svelte-1n46o8q">entries + 1</code>.</p> <!></footer></main>`);function vf(e,t){Tn(t,!0);const r=[],n=[];let i=ye("small"),s=ye("verify"),o=ye(null),c=ye(null),l=ye(null);function f(A){return A.length>=3&&A[0]===42&&A[1]===108&&A[2]===0?"star":"car"}let u=I(()=>a(i)==="custom"&&a(o)?a(o).dataset:Yn[a(i)]),h=I(()=>Ka(a(u),a(s))),v=I(()=>a(h).snapshots),_=ye(0),p=ye(!1),w=ye(1),g=I(()=>a(v)[Math.min(a(_),a(v).length-1)]);si(()=>{a(i),a(s),B(_,0),B(p,!1)}),si(()=>{if(!a(p))return;const A=Math.max(60,800/a(w)),$=setInterval(()=>{a(_)<a(v).length-1?B(_,a(_)+1):B(p,!1)},A);return()=>clearInterval($)});function m(A){B(_,Math.max(0,Math.min(a(v).length-1,a(_)+A)),!0)}function k(){B(_,0),B(p,!1)}async function x(A){const $=A.target.files[0];if($){B(l,null),B(c,`parsing ${$.name}…`);try{const ae=await $.arrayBuffer(),Ge=new Uint8Array(ae),at=f(Ge);let lt,Kt;if(at==="star"){const J=Ga(ae);lt=J.records,Kt=`STAR header CID digest: ${J.headerCidHex}`}else{const J=Ll(ae);lt=J.records,Kt=`CAR commit CID: ${J.commitCidString} · MST root: ${J.dataCidString} · ${J.blockCount} blocks`}B(c,`${at.toUpperCase()}: computing layers for ${lt.length} keys…`);const Fr=await Dl(lt.map(J=>J.key)),$r=lt.map((J,Ut)=>({key:J.key,layer:Fr[Ut]}));B(o,{label:$.name,dataset:$r,headerLabel:Kt,sourceFormat:at},!0),B(i,"custom");const Ht=Fr.reduce((J,Ut)=>(J[Ut]=(J[Ut]??0)+1,J),{}),fn=Object.keys(Ht).sort((J,Ut)=>+J-+Ut).map(J=>`L${J}:${Ht[J]}`).join(" ");B(c,`loaded ${$.name} (${at.toUpperCase()}) — ${$r.length} keys (${fn})`)}catch(ae){console.error(ae),B(l,`failed to load ${$.name}: ${ae.message}`),B(c,null)}finally{A.target.value=""}}}let N=I(()=>[...Object.keys(Yn).map(A=>({value:A,label:`${A} (${Yn[A].length})`})),...a(o)?[{value:"custom",label:`${a(o).label} (${a(o).dataset.length})`}]:[]]);var ne=hf(),ke=T(ne),Q=T(ke),Ve=T(Q),ht=S(Q,2),pe=S(T(ht)),Nt=T(pe),We=S(pe,2),qe=T(We),zt=S(We),ee=S(ke,2),Re=S(T(ee)),st=T(Re);st.value=st.__value="verify";var wr=S(Re,2),we=T(wr);we.value=we.__value="car";var Bt=S(ee,2),an=T(Bt);yt(an,17,()=>a(N),nr,(A,$)=>{var ae=lf(),Ge=T(ae),at,lt=S(Ge);U(()=>{at!==(at=a($).value)&&(Ge.value=(Ge.__value=a($).value)??""),te(lt,` ${a($).label??""}`)}),Kn(n,[],Ge,()=>(a($).value,a(i)),Kt=>B(i,Kt)),D(A,ae)});var Ft=S(an,4),Pn=T(Ft),br=S(Bt,2);{var Ct=A=>{var $=ff(),ae=T($);U(()=>te(ae,a(l))),D(A,$)},De=A=>{var $=cf(),ae=T($);U(()=>te(ae,a(c))),D(A,$)};be(br,A=>{a(l)?A(Ct):a(c)&&A(De,1)})}var $t=S(br,2);{var Ne=A=>{var $=uf(),ae=T($),Ge=T(ae);U(()=>te(Ge,a(o).headerLabel)),D(A,$)};be($t,A=>{a(i)==="custom"&&a(o)&&A(Ne)})}var ot=S($t,2);sf(ot,{get snapshot(){return a(g)},get dataset(){return a(u)},get frozenList(){return a(h).frozen},get parentIndex(){return a(h).parentIndex},get byteLog(){return a(h).byteLog},get emitOutput(){return a(h).emitOutput},get mode(){return a(s)}});var Br=S(ot,2);af(Br,{get total(){return a(v).length},onStep:m,onReset:k,get i(){return a(_)},set i(A){B(_,A,!0)},get playing(){return a(p)},set playing(A){B(p,A,!0)},get speed(){return a(w)},set speed(A){B(w,A,!0)}});var ln=S(Br,2),qn=S(T(ln),6);{var Dn=A=>{var $=df();D(A,$)};be(qn,A=>{a(s)==="car"&&A(Dn)})}U(A=>{te(Ve,`STAR-lite — ${a(s)==="verify"?"verification":"CAR conversion"}`),te(Nt,`${a(_)+1} / ${a(v).length??""}`),te(qe,a(g).event.type),te(zt,` · 26 26 + ${A??""}`)},[()=>Ha(a(g).event)]),Kn(r,[],st,()=>a(s),A=>B(s,A)),Kn(r,[],we,()=>a(s),A=>B(s,A)),jr("change",Pn,x),D(e,ne),Ln()}$s(["change"]);ka(vf,{target:document.getElementById("app")});

+2 -2

star-lite/viz/dist/index.html

reviewed

··· 4 4 <meta charset="UTF-8" /> 5 5 <meta name="viewport" content="width=device-width, initial-scale=1.0" /> 6 6 <title>STAR-lite verification viz</title> 7 7 - <script type="module" crossorigin src="./assets/index-C84nv0nn.js"></script> 8 8 - <link rel="stylesheet" crossorigin href="./assets/index-8jzqULgS.css"> 7 7 + <script type="module" crossorigin src="./assets/index-DkuL9h-J.js"></script> 8 8 + <link rel="stylesheet" crossorigin href="./assets/index-Cm9mp-hs.css"> 9 9 </head> 10 10 <body> 11 11 <div id="app"></div>

+7 -6

star-lite/viz/src/App.svelte

reviewed

··· 214 214 absorbed into the final plan. 215 215 </p> 216 216 <p> 217 217 - During the emit phase, the root bracket — the final plan — is walked linearly. 218 218 - The amber playhead on the output strip is the linear scan position. For each step, 219 219 - the plan tells us which byte_log entry to fetch: a dashed line drops from the 220 220 - byte_log frame down to the root bracket at the same x, showing the plan→byte_log 221 221 - fetch. The byte_log indicator jumps non-monotonically (random access) while the 222 222 - output playhead advances linearly (linear write). 217 217 + The <em>emit_plan</em> strip below the brackets shows the root's plan as a flat 218 218 + sequence of <em>pointer squares</em> — one per byte_log entry. Each square's color 219 219 + matches the byte_log frame it points to (with a small <code>→N</code> label when 220 220 + wide enough). On readout, we walk the plan linearly: pending squares are dim, the 221 221 + current one lights amber, already-read squares stay full-color. The dashed line 222 222 + from byte_log down to the current plan square is the random-access fetch the 223 223 + current pointer triggered. 223 224 </p> 224 225 {/if} 225 226 </footer>

+81 -50

star-lite/viz/src/components/Viz.svelte

reviewed

··· 39 39 // visible slices (count-based to avoid per-snapshot copies) 40 40 let frozen = $derived(frozenList.slice(0, snapshot.frozenCount)); 41 41 let byteLogVisible = $derived(byteLog.slice(0, snapshot.byteLogCount)); 42 42 - let emitVisible = $derived(emitOutput.slice(0, snapshot.emitCount)); 42 42 + 43 43 + // the emit_plan exists once the root has been framed — i.e. once the byteLog is fully 44 44 + // populated. From then on, all N pointer squares are shown; "read state" tracks how 45 45 + // many have been walked. 46 46 + let planAvailable = $derived( 47 47 + mode === 'car' && byteLog.length > 0 && snapshot.byteLogCount === byteLog.length, 48 48 + ); 43 49 44 50 let observedMaxLayer = $derived( 45 51 Math.max(0, snapshot.stack.length - 1, ...frozen.map((f) => f.layer)), ··· 127 133 const layerTints = ['#1a1d24', '#1f3550', '#3a3214', '#4a1e3e', '#3e2c5a', '#1f4a3a']; 128 134 function layerColor(L) { return layerTints[Math.min(L, layerTints.length - 1)]; } 129 135 130 130 - // colors for byte_log frames 136 136 + // colors for byte_log frames. records are blue; L0 nodes are teal-green so they're 137 137 + // visually distinct from records (the common case). L4 inherits the blue slot since 138 138 + // it's rare (~1 in 256 keys). 131 139 const recordFrameFill = '#1d3a4d'; 132 140 const recordFrameStroke = '#3a6a8a'; 133 133 - const nodeFrameFills = ['#264a6e', '#5a4218', '#5a2440', '#4a2e6a', '#1f4a3a']; 134 134 - const nodeFrameStrokes = ['#6cd0ff', '#ffd86c', '#ff8aa8', '#a98aff', '#7adcb8']; 141 141 + const nodeFrameFills = ['#1f4a3a', '#5a4218', '#5a2440', '#4a2e6a', '#264a6e']; 142 142 + const nodeFrameStrokes = ['#7adcb8', '#ffd86c', '#ff8aa8', '#a98aff', '#6cd0ff']; 135 143 function frameFill(f) { 136 144 if (f.kind === 'record') return recordFrameFill; 137 145 if (f.isRoot) return '#3a3514'; ··· 295 303 </text> 296 304 {/if} 297 305 {/each} 298 298 - <!-- emit-plan ↔ byte_log fetch indicator: vertical line at the byte_log position 299 299 - the plan currently points to, drawn from the byte_log frame down through the 300 300 - bracket area to the root bracket (= the active plan). --> 306 306 + <!-- byte_log → emit_plan fetch: the plan square at idx i says "read byte_log[plan[i]]"; 307 307 + a vertical mark on byte_log at the read position, plus a slanted line down to the 308 308 + current plan square shows the random-access read driven by the linear plan walk. --> 301 309 {#if snapshot.emitCount > 0} 302 302 - {@const lastFramePos = emitOutput[snapshot.emitCount - 1]} 310 310 + {@const lastOutputIdx = snapshot.emitCount - 1} 311 311 + {@const lastFramePos = emitOutput[lastOutputIdx]} 303 312 <line 304 313 x1={frameXInLog(lastFramePos) + FRAME_W / 2} 305 314 x2={frameXInLog(lastFramePos) + FRAME_W / 2} 306 315 y1={byteLogY - 4} 307 307 - y2={bracketsBottomY + 2} 316 316 + y2={byteLogY + STRIP_H + 4} 308 317 class="bytelog-read" 309 318 /> 319 319 + <line 320 320 + x1={frameXInLog(lastFramePos) + FRAME_W / 2} 321 321 + y1={byteLogY + STRIP_H + 4} 322 322 + x2={frameXInLog(lastOutputIdx) + FRAME_W / 2} 323 323 + y2={outputY - 4} 324 324 + class="emit-fetch" 325 325 + /> 310 326 {/if} 311 327 312 328 <!-- emit_plan brackets: each frozen subtree as a contiguous range in byte_log order. ··· 346 362 {/if} 347 363 {/each} 348 364 349 349 - <!-- output strip: frames in stream-order (preorder) --> 350 350 - <text x={4} y={outputY - 3} class="strip-label"> 351 351 - output (stream order, {emitVisible.length}/{emitOutput.length}) 352 352 - </text> 353 353 - <rect 354 354 - x={PAD_X - 2} 355 355 - y={outputY} 356 356 - width={svgWidth - 2 * PAD_X + 4} 357 357 - height={STRIP_H} 358 358 - class="strip-bg" 359 359 - /> 360 360 - {#each emitVisible as framePos, idx (idx)} 361 361 - {@const f = byteLog[framePos]} 365 365 + <!-- emit_plan strip: each square is a pointer into byte_log. shown all-at-once 366 366 + the moment the root is framed; read-state styling shows the linear walk. --> 367 367 + {#if planAvailable} 368 368 + <text x={4} y={outputY - 3} class="strip-label"> 369 369 + emit_plan ({snapshot.emitCount} read / {emitOutput.length} pointers) 370 370 + </text> 362 371 <rect 363 363 - x={frameXInLog(idx)} 372 372 + x={PAD_X - 2} 364 373 y={outputY} 365 365 - width={Math.max(1, FRAME_W - 0.5)} 374 374 + width={svgWidth - 2 * PAD_X + 4} 366 375 height={STRIP_H} 367 367 - fill={frameFill(f)} 368 368 - stroke={frameStroke(f)} 369 369 - stroke-width={FRAME_W >= 4 ? 0.8 : 0.3} 370 370 - class="frame" 371 371 - class:pulse-frame={pulse?.kind === 'emit' && pulse?.outputIdx === idx} 372 372 - class:isRoot={f.isRoot} 376 376 + class="strip-bg" 373 377 /> 374 374 - {#if FRAME_W >= 24} 375 375 - <text x={frameXInLog(idx) + FRAME_W / 2} y={outputY + STRIP_H / 2 + 4} text-anchor="middle" class="frame-label"> 376 376 - {f.kind === 'record' ? 'r' : f.isRoot ? '★' : `n${f.layer}`} 377 377 - </text> 378 378 - {/if} 379 379 - {/each} 380 380 - 381 381 - <!-- output strip linear playhead: where the plan walker currently is --> 382 382 - {#if snapshot.emitCount > 0} 383 383 - {@const lastOutputIdx = snapshot.emitCount - 1} 384 384 - <line 385 385 - x1={frameXInLog(lastOutputIdx) + FRAME_W / 2} 386 386 - x2={frameXInLog(lastOutputIdx) + FRAME_W / 2} 387 387 - y1={outputY - 6} 388 388 - y2={outputY + STRIP_H + 6} 389 389 - class="output-playhead" 390 390 - /> 378 378 + {#each emitOutput as framePos, idx (idx)} 379 379 + {@const f = byteLog[framePos]} 380 380 + {@const isRead = idx < snapshot.emitCount} 381 381 + {@const isCurrent = idx === snapshot.emitCount - 1} 382 382 + <rect 383 383 + x={frameXInLog(idx)} 384 384 + y={outputY} 385 385 + width={Math.max(1, FRAME_W - 0.5)} 386 386 + height={STRIP_H} 387 387 + fill={frameFill(f)} 388 388 + stroke={frameStroke(f)} 389 389 + stroke-width={FRAME_W >= 4 ? 0.8 : 0.3} 390 390 + class="plan-square" 391 391 + class:read={isRead && !isCurrent} 392 392 + class:current={isCurrent} 393 393 + class:isRoot={f.isRoot} 394 394 + /> 395 395 + {#if FRAME_W >= 24} 396 396 + <text 397 397 + x={frameXInLog(idx) + FRAME_W / 2} 398 398 + y={outputY + STRIP_H / 2 + 4} 399 399 + text-anchor="middle" 400 400 + class="frame-label" 401 401 + class:dim={!isRead && !isCurrent} 402 402 + > 403 403 + →{framePos} 404 404 + </text> 405 405 + {/if} 406 406 + {/each} 391 407 {/if} 392 408 {/if} 393 409 </svg> ··· 459 475 .emit-bracket.active-plan { opacity: 1; stroke: #ffd86c !important; stroke-width: 1.5 !important; } 460 476 .emit-bracket.pulse-frozen { opacity: 1; stroke: #ffd86c !important; stroke-width: 1.5 !important; } 461 477 462 462 - .output-playhead { stroke: #ffd86c; stroke-width: 1.5; opacity: 0.9; } 478 478 + .plan-square { opacity: 0.32; transition: opacity 100ms; } 479 479 + .plan-square.read { opacity: 0.85; } 480 480 + .plan-square.current { 481 481 + opacity: 1; 482 482 + stroke: #ffd86c !important; 483 483 + stroke-width: 2 !important; 484 484 + } 485 485 + .frame-label.dim { opacity: 0.45; } 486 486 + 463 487 .bytelog-read { 464 488 stroke: #ffd86c; 465 465 - stroke-width: 1.2; 466 466 - opacity: 0.75; 489 489 + stroke-width: 1.4; 490 490 + opacity: 0.85; 467 491 stroke-dasharray: 2 2; 492 492 + pointer-events: none; 493 493 + } 494 494 + .emit-fetch { 495 495 + stroke: #ffd86c; 496 496 + stroke-width: 1.2; 497 497 + opacity: 0.6; 498 498 + stroke-dasharray: 3 2; 468 499 pointer-events: none; 469 500 } 470 501 .bracket-label {