app.html

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<title>Hurrian Hymn h.6 — 71-Shard NFT Collection</title>
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*{box-sizing:border-box;margin:0;padding:0}
body{font:14px/1.5 'SF Mono',monospace;background:#0d1117;color:#c9d1d9;padding:1rem}
h1{font-size:1.4rem;color:#f0f6fc;margin-bottom:.3rem}
.sub{color:#8b949e;font-size:.8rem;margin-bottom:1rem}
.stats{display:flex;gap:1.5rem;flex-wrap:wrap;margin-bottom:1rem;font-size:.85rem}
.stat{background:#161b22;border:1px solid #30363d;border-radius:6px;padding:.4rem .8rem}
.stat b{color:#58a6ff}
.filters{margin-bottom:1rem;display:flex;gap:.5rem;flex-wrap:wrap}
.filters button{background:#21262d;color:#c9d1d9;border:1px solid #30363d;border-radius:4px;padding:3px 10px;cursor:pointer;font-size:.75rem}
.filters button.active{background:#1f6feb;border-color:#1f6feb;color:#fff}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:6px;margin-bottom:1rem}
.tile{position:relative;cursor:pointer;border:2px solid #30363d;border-radius:4px;overflow:hidden;aspect-ratio:1;transition:transform .15s}
.tile:hover{transform:scale(1.05);z-index:1}
.tile.prime{border-color:#ffd700}
.tile.collected{opacity:1}.tile:not(.collected){opacity:.6}
.tile img{width:100%;height:100%;display:block}
.tile .label{position:absolute;bottom:0;left:0;right:0;background:rgba(0,0,0,.7);font-size:9px;padding:1px 3px;color:#c9d1d9;text-align:center}
.detail{position:fixed;top:0;right:-50%;width:50%;height:100%;background:#161b22;border-left:2px solid #30363d;overflow-y:auto;transition:right .3s;padding:1rem;z-index:10}
.detail.open{right:0}
.detail h2{font-size:1.1rem;color:#f0f6fc;margin-bottom:.5rem}
.close{position:absolute;top:.5rem;right:.5rem;background:none;border:none;color:#8b949e;font-size:1.5rem;cursor:pointer}
.layer-tabs{display:flex;gap:4px;margin:.5rem 0;flex-wrap:wrap}
.layer-tabs button{background:#21262d;color:#8b949e;border:1px solid #30363d;border-radius:4px;padding:2px 8px;cursor:pointer;font-size:.7rem}
.layer-tabs button.active{background:#238636;border-color:#238636;color:#fff}
.layer-content{background:#0d1117;border:1px solid #30363d;border-radius:4px;padding:.5rem;font-size:.75rem;max-height:300px;overflow:auto;white-space:pre-wrap;word-break:break-all;margin:.5rem 0}
.stego-canvas{border:1px solid #30363d;border-radius:4px;margin:.5rem 0}
.progress{background:#21262d;border-radius:4px;height:8px;margin:.5rem 0}
.progress-bar{background:linear-gradient(90deg,#238636,#ffd700);height:100%;border-radius:4px;transition:width .3s}
.hex{color:#7ee787}.cunei{color:#ffd700;font-size:1.2rem}
canvas{image-rendering:pixelated}
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<body>
<h1>𒀸𒌑𒄴𒊑 Hurrian Hymn h.6 — 71-Shard NFT Collection</h1>
<p class="sub">Tablet RS 15.30 · ~1400 BC · Ugarit · West (1994) · DA51 CBOR · Groth16/BN254 · 6-Layer Stego</p>

<div class="stats">
  <div class="stat">Collected: <b id="count">0</b>/71</div>
  <div class="stat">Decoded: <b id="decoded">0</b> B</div>
  <div class="stat">Stego: <b id="stego-status">—</b></div>
  <div class="stat">ZK: <b id="zk-status">pending</b></div>
</div>

<div class="progress"><div class="progress-bar" id="pbar" style="width:0%"></div></div>

<div class="filters" id="filters"></div>
<div class="grid" id="grid"></div>

<div class="detail" id="detail">
  <button class="close" onclick="closeDetail()">×</button>
  <h2 id="detail-title"></h2>
  <canvas id="tile-canvas" class="stego-canvas" width="512" height="512"></canvas>
  <div class="layer-tabs" id="layer-tabs"></div>
  <div class="layer-content" id="layer-content"></div>
</div>

<script>
const BASE = 'https://solana.solfunmeme.com/retro-sync';
const TILES_URL = BASE + '/tiles';
const SHARDS_URL = BASE + '/shards';

const CATEGORIES = ['generator','source','artifact','witness','eigenspace','metadata','reconstruction','reference','youtube','pipeline','reserved'];
const CAT_COLORS = {generator:'#ffd700',source:'#d2a8ff',artifact:'#7ee787',witness:'#e3b341',eigenspace:'#79c0ff',metadata:'#ff7b72',reconstruction:'#a5d6ff',reference:'#d29922',youtube:'#f778ba',pipeline:'#56d364',reserved:'#484f58'};
const PRIMES = [2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71];

const STEGO_PLANES = [
  {name:'R bit 0 — CBOR shard', ch:0, bit:0, color:'#ff6b6b'},
  {name:'G bit 0 — Witness',    ch:1, bit:0, color:'#51cf66'},
  {name:'B bit 0 — Eigenspace', ch:2, bit:0, color:'#339af0'},
  {name:'R bit 1 — Source',     ch:0, bit:1, color:'#ff922b'},
  {name:'G bit 1 — Notation',   ch:1, bit:1, color:'#20c997'},
  {name:'B bit 1 — Cuneiform',  ch:2, bit:1, color:'#845ef7'},
];

let manifest = null;
let collected = new Set();
let shardCache = {};
let stegoCache = {};
let activeFilter = 'all';

async function init() {
  const r = await fetch(BASE + '/manifest.json');
  manifest = await r.json();
  renderFilters();
  renderGrid();
}

function renderFilters() {
  const el = document.getElementById('filters');
  let html = '<button class="active" onclick="setFilter(\'all\',this)">all (71)</button>';
  for (const cat of CATEGORIES) {
    const n = manifest.shards.filter(s => s.category === cat).length;
    if (n > 0) html += `<button onclick="setFilter('${cat}',this)">${cat} (${n})</button>`;
  }
  el.innerHTML = html;
}

function setFilter(cat, btn) {
  activeFilter = cat;
  document.querySelectorAll('.filters button').forEach(b => b.classList.remove('active'));
  btn.classList.add('active');
  renderGrid();
}

function renderGrid() {
  const shards = activeFilter === 'all' ? manifest.shards : manifest.shards.filter(s => s.category === activeFilter);
  const el = document.getElementById('grid');
  el.innerHTML = shards.map(s => {
    const prime = PRIMES.includes(s.index);
    const cls = [prime ? 'prime' : '', collected.has(s.index) ? 'collected' : ''].join(' ');
    return `<div class="tile ${cls}" onclick="collect(${s.index})" title="#${s.index} ${s.name} [${s.category}]">
      <img src="${TILES_URL}/${String(s.index).padStart(2,'0')}.png" loading="lazy" alt="Shard ${s.index}">
      <div class="label">${prime?'★':'·'}${s.index} ${s.category}</div>
    </div>`;
  }).join('');
}

async function collect(idx) {
  collected.add(idx);
  document.getElementById('count').textContent = collected.size;
  document.getElementById('pbar').style.width = (collected.size/71*100)+'%';

  // Fetch JSON shard
  if (!shardCache[idx]) {
    try {
      const r = await fetch(`${SHARDS_URL}/${String(idx).padStart(2,'0')}.json`);
      shardCache[idx] = await r.json();
    } catch(e) { shardCache[idx] = {error: e.message}; }
  }

  // Decode stego from tile image
  if (!stegoCache[idx]) {
    stegoCache[idx] = await decodeStegoFromImage(idx);
  }

  updateStats();
  showDetail(idx);
  renderGrid();
  if (collected.size === 71) reconstructPayload();
}

async function decodeStegoFromImage(idx) {
  return new Promise((resolve) => {
    const img = new Image();
    img.crossOrigin = 'anonymous';
    img.onload = () => {
      const c = document.createElement('canvas');
      c.width = 512; c.height = 512;
      const ctx = c.getContext('2d');
      ctx.drawImage(img, 0, 0);
      const pixels = ctx.getImageData(0, 0, 512, 512).data; // RGBA

      // Extract 6 bit planes
      const layers = {};
      for (const plane of STEGO_PLANES) {
        const bytes = [];
        const npx = 512*512;
        const bytesPerLayer = npx / 8;
        for (let i = 0; i < bytesPerLayer; i++) {
          let byte = 0;
          for (let b = 0; b < 8; b++) {
            const px = i * 8 + b;
            if (px >= npx) break;
            const rgbaIdx = px * 4 + plane.ch;
            byte |= ((pixels[rgbaIdx] >> plane.bit) & 1) << b;
          }
          bytes.push(byte);
        }
        layers[plane.name] = new Uint8Array(bytes);
      }
      resolve(layers);
    };
    img.onerror = () => resolve({});
    img.src = `${TILES_URL}/${String(idx).padStart(2,'0')}.png`;
  });
}

function updateStats() {
  let totalBytes = 0;
  for (const idx of collected) {
    if (stegoCache[idx]) {
      for (const layer of Object.values(stegoCache[idx])) {
        totalBytes += layer.length;
      }
    }
  }
  document.getElementById('decoded').textContent = totalBytes.toLocaleString();
  document.getElementById('stego-status').textContent = `${collected.size}×6 planes`;
}

function showDetail(idx) {
  const s = manifest.shards.find(x => x.index === idx);
  const detail = document.getElementById('detail');
  detail.className = 'detail open';
  const prime = PRIMES.includes(idx);
  document.getElementById('detail-title').textContent = `${prime?'★':''} Shard #${idx} — ${s.name} [${s.category}]`;

  // Draw tile on canvas
  const canvas = document.getElementById('tile-canvas');
  const ctx = canvas.getContext('2d');
  const img = new Image();
  img.crossOrigin = 'anonymous';
  img.onload = () => ctx.drawImage(img, 0, 0, 512, 512);
  img.src = `${TILES_URL}/${String(idx).padStart(2,'0')}.png`;

  // Layer tabs
  const tabs = document.getElementById('layer-tabs');
  const layers = [
    {id:'json', name:'JSON Shard', color:'#58a6ff'},
    {id:'data_layers', name:'Data Layers', color:'#79c0ff'},
    ...STEGO_PLANES.map((p,i) => ({id:'stego_'+i, name:p.name, color:p.color})),
    {id:'hex', name:'Raw Hex', color:'#7ee787'},
    {id:'visual', name:'Stego Visual', color:'#d2a8ff'},
  ];
  tabs.innerHTML = layers.map((l,i) =>
    `<button style="border-color:${l.color}" onclick="showLayer(${idx},'${l.id}',this)">${l.name}</button>`
  ).join('');

  showLayer(idx, 'json', tabs.firstChild);
}

function showLayer(idx, layerId, btn) {
  document.querySelectorAll('#layer-tabs button').forEach(b => b.classList.remove('active'));
  if (btn) btn.classList.add('active');
  const el = document.getElementById('layer-content');
  const shard = shardCache[idx];
  const stego = stegoCache[idx] || {};

  if (layerId === 'json') {
    el.innerHTML = `<pre>${JSON.stringify(shard, null, 2).slice(0, 4000)}</pre>`;
  } else if (layerId === 'data_layers') {
    if (shard && shard.data_layers) {
      const dl = shard.data_layers;
      el.innerHTML = Object.keys(dl).map(k => {
        const l = dl[k];
        return `<b>${k}</b>: chunk ${l.chunk}/${l.of}, ${l.total_bytes.toLocaleString()} B total\n` +
               `  data: ${l.data.slice(0,80)}${l.data.length>80?'...':''}`;
      }).join('\n\n');
    } else {
      el.textContent = 'No data_layers in shard';
    }
  } else if (layerId === 'hex') {
    const bytes = stego[STEGO_PLANES[0].name];
    if (bytes) {
      const hex = Array.from(bytes.slice(0, 256)).map(b => b.toString(16).padStart(2,'0')).join(' ');
      el.innerHTML = `<span class="hex">${hex}</span>\n\n... ${bytes.length} bytes in R bit 0 plane`;
    } else {
      el.textContent = 'Collect this shard to decode stego';
    }
  } else if (layerId === 'visual') {
    visualizeStegoPlanes(idx);
    el.textContent = 'Stego bit planes rendered on canvas above.\nEach plane shown as a separate color channel.';
  } else if (layerId.startsWith('stego_')) {
    const pi = parseInt(layerId.split('_')[1]);
    const plane = STEGO_PLANES[pi];
    const bytes = stego[plane.name];
    if (bytes) {
      // Try to decode as text
      let text = '';
      try { text = new TextDecoder('utf-8', {fatal: false}).decode(bytes.slice(0, 512)); } catch(e) {}
      const nonNull = bytes.filter(b => b !== 0).length;
      const hex = Array.from(bytes.slice(0, 128)).map(b => b.toString(16).padStart(2,'0')).join(' ');
      el.innerHTML = `<b>${plane.name}</b>\nBytes: ${bytes.length} (${nonNull} non-zero)\n\n` +
        `<b>Text preview:</b>\n${text.replace(/\0/g,'·').slice(0,300)}\n\n` +
        `<b>Hex:</b>\n<span class="hex">${hex}</span>...`;
    } else {
      el.textContent = 'Collect this shard to decode';
    }
  }
}

function visualizeStegoPlanes(idx) {
  const canvas = document.getElementById('tile-canvas');
  const ctx = canvas.getContext('2d');
  const stego = stegoCache[idx];
  if (!stego) return;

  // Render each plane as colored pixels
  const imgData = ctx.createImageData(512, 512);
  for (const plane of STEGO_PLANES) {
    const bytes = stego[plane.name];
    if (!bytes) continue;
    const color = plane.color;
    const r = parseInt(color.slice(1,3),16);
    const g = parseInt(color.slice(3,5),16);
    const b = parseInt(color.slice(5,7),16);
    for (let i = 0; i < bytes.length; i++) {
      for (let bit = 0; bit < 8; bit++) {
        const px = i * 8 + bit;
        if (px >= 512*512) break;
        if ((bytes[i] >> bit) & 1) {
          const off = px * 4;
          imgData.data[off] = Math.min(255, imgData.data[off] + r/6);
          imgData.data[off+1] = Math.min(255, imgData.data[off+1] + g/6);
          imgData.data[off+2] = Math.min(255, imgData.data[off+2] + b/6);
          imgData.data[off+3] = 255;
        }
      }
    }
  }
  ctx.putImageData(imgData, 0, 0);
}

async function reconstructPayload() {
  document.getElementById('zk-status').textContent = 'reconstructing...';
  // Collect all stego data in order — use the full 6-plane stream per tile
  const allBytes = [];
  const CAP = 512*512*6/8; // 196608 per tile

  for (let idx = 1; idx <= 71; idx++) {
    const stego = stegoCache[idx];
    if (!stego) { allBytes.push(...new Array(CAP).fill(0)); continue; }

    // Re-extract as interleaved stream (matching Rust embed_all order)
    const img = await loadImagePixels(idx);
    if (!img) { allBytes.push(...new Array(CAP).fill(0)); continue; }

    for (let i = 0; i < CAP; i++) {
      let byte = 0;
      for (let b = 0; b < 8; b++) {
        const bitIdx = i * 8 + b;
        const px = Math.floor(bitIdx / 6);
        const plane = bitIdx % 6;
        if (px >= 512*512) break;
        const ch = plane % 3;
        const bitPos = Math.floor(plane / 3);
        const val = (img[px * 4 + ch] >> bitPos) & 1;
        byte |= val << b;
      }
      allBytes.push(byte);
    }
  }

  // Parse NFT7 header
  const data = new Uint8Array(allBytes);
  const magic = String.fromCharCode(data[0], data[1], data[2], data[3]);
  if (magic === 'NFT7') {
    const view = new DataView(data.buffer);
    const segCount = view.getUint32(4, true);
    let offset = 8;
    const segments = [];
    for (let s = 0; s < segCount && offset < data.length; s++) {
      const nameLen = view.getUint32(offset, true); offset += 4;
      const name = new TextDecoder().decode(data.slice(offset, offset + nameLen)); offset += nameLen;
      const dataLen = view.getUint32(offset, true); offset += 4;
      const segData = data.slice(offset, offset + dataLen); offset += dataLen;
      segments.push({name, data: segData, size: dataLen});
    }

    document.getElementById('zk-status').innerHTML = `<span style="color:#238636">✓ NFT7 DECODED</span> — ${segments.length} segments`;

    // Offer WAV playback
    const wav = segments.find(s => s.name === 'wav');
    if (wav) {
      const blob = new Blob([wav.data], {type: 'audio/wav'});
      const url = URL.createObjectURL(blob);
      const info = document.getElementById('layer-content');
      info.innerHTML = `<b>🎵 Full payload reconstructed from 71 stego tiles!</b>\n\n` +
        segments.map(s => `${s.name}: ${s.size.toLocaleString()} bytes`).join('\n') +
        `\n\n<audio controls src="${url}" style="width:100%"></audio>\n` +
        `<a href="${url}" download="h6_west.wav" style="color:#58a6ff">⬇ Download WAV</a>`;
    }
  } else {
    document.getElementById('zk-status').textContent = 'reconstruction failed — collect all 71';
  }
}

function loadImagePixels(idx) {
  return new Promise(resolve => {
    const img = new Image();
    img.crossOrigin = 'anonymous';
    img.onload = () => {
      const c = document.createElement('canvas');
      c.width = 512; c.height = 512;
      const ctx = c.getContext('2d');
      ctx.drawImage(img, 0, 0);
      resolve(ctx.getImageData(0, 0, 512, 512).data);
    };
    img.onerror = () => resolve(null);
    img.src = `${TILES_URL}/${String(idx).padStart(2,'0')}.png`;
  });
}

function closeDetail() {
  document.getElementById('detail').className = 'detail';
}

init();
</script>
</body>
</html>