repetition woks

2026-09-15 16:10:52 +03:00
1 parent 37b3b61f79
commit 36d2c0b48f
@@ -1,3 +1,3 @@
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Line truncated
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Line truncated
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    <div id="home-db-banner" class="db-banner" role="status" hidden>
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    <section class="card" aria-labelledby="decks-title">
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      <h2 id="deck-title" class="card-title">Колода…</h2>
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        <input id="deck-backward" class="token-input" type="text" value="${mt(m.backward)}" />
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        <input id="deck-filter" class="token-input" type="text" value="${mt(m.filter)}" />
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 (function(){const n=document.createElement("link").relList;if(n&&n.supports&&n.supports("modulepreload"))return;for(const o of document.querySelectorAll('link[rel="modulepreload"]'))s(o);new MutationObserver(o=>{for(const c of o)if(c.type==="childList")for(const h of c.addedNodes)h.tagName==="LINK"&&h.rel==="modulepreload"&&s(h)}).observe(document,{childList:!0,subtree:!0});function i(o){const c={};return o.integrity&&(c.integrity=o.integrity),o.referrerPolicy&&(c.referrerPolicy=o.referrerPolicy),o.crossOrigin==="use-credentials"?c.credentials="include":o.crossOrigin==="anonymous"?c.credentials="omit":c.credentials="same-origin",c}function s(o){if(o.ep)return;o.ep=!0;const c=i(o);fetch(o.href,c)}})();const Pe=new Worker(new URL("/assets/db-worker-AHwpujSZ.js",import.meta.url),{type:"module"});let ir=0,Ge=null;const je=new Map;function Tn(){return Ge||(Ge=new Promise((t,n)=>{Pe.onmessage=s=>{const o=s.data;if(o.type==="ready")return;const c=je.get(o.id);c&&(je.delete(o.id),o.type=="success"?c.resolve(o.data):c.reject(new Error(o.error??o.message??"Неизвестная ошибка Worker")))},Pe.onerror=s=>{console.error("[SQLite Worker] Ошибка:",s),n(new Error("Ошибка Worker"))};const i=++ir;je.set(i,{resolve:t,reject:n}),Pe.postMessage({type:"start",id:i})}),Ge)}function Qn(t,n){return new Promise((i,s)=>{if(!Pe){s(new Error("Worker не создан"));return}const o=++ir;je.set(o,{resolve:i,reject:s}),Pe.postMessage({type:t,id:o,...n})})}async function Re(t,n){return await Qn("query",{sql:t,params:n??[]})}function Nn(t){if(t==null)return[];const n=String(t).trim();return n?n.split(/[,\s;]+/).map(i=>i.trim()).filter(i=>i.length>0):[]}function Fn(t){const n=new Map;if(t==null)return n;const i=String(t);if(!i)return n;const s=i.split("");for(let o=0;o+1<s.length;o+=2){const c=Number(s[o]),h=s[o+1]??"";!Number.isFinite(c)||!Number.isInteger(c)||h&&n.set(c,h)}return n}function Hn(t){const n=Number(t.id??0),i=String(t.key??""),s=String(t.value??""),o=t.tags==null?"":String(t.tags),c=Number(t.group_id??1);return{id:n,key:i,value:s,tags:o,tagsList:Nn(o),more:Fn(t.more),group_id:Number.isFinite(c)?c:1}}function or(t){const n=[],i=[],s=(t.search??"").trim();if(s){n.push("(key LIKE ? ESCAPE '\\' OR value LIKE ? ESCAPE '\\' OR tags LIKE ? ESCAPE '\\')");const o=`%${s.replace(/\\/g,"\\\\").replace(/%/g,"\\%").replace(/_/g,"\\_")}%`;i.push(o,o,o)}return t.groupId!=null&&(n.push("group_id = ?"),i.push(t.groupId)),{clause:n.length>0?`WHERE ${n.join(" AND ")}`:"",params:i}}async function qn(t={}){const{clause:n,params:i}=or(t),o=(await Re(`SELECT COUNT(*) as cnt FROM words ${n}`,i))[0]?.cnt;return typeof o=="number"?o:Number(o??0)}async function At(t={}){const{clause:n,params:i}=or(t),s=Math.max(1,Math.min(t.limit??50,500)),o=Math.max(0,t.offset??0);return(await Re(`SELECT id, key, value, tags, more, group_id FROM words ${n} ORDER BY id LIMIT ? OFFSET ?`,[...i,s,o])).map(Hn)}async function Pn(){return(await Re("SELECT id, name FROM word_groups ORDER BY id")).map(n=>({id:Number(n.id),name:String(n.name??"")}))}async function Ln(){return(await Re("SELECT id, name, forward, backward, filter FROM decks ORDER BY id")).map(n=>({id:Number(n.id),name:String(n.name??""),forward:String(n.forward??""),backward:String(n.backward??""),filter:String(n.filter??"")}))}async function _n(){return(await Re("SELECT id, name, identifier FROM custom_fields ORDER BY id")).map(n=>({id:Number(n.id),name:String(n.name??""),identifier:String(n.identifier??"")}))}const kt="japanese_app.db";async function Et(){return navigator.storage.getDirectory()}async function Rn(t){t[18]=1,t[19]=1;const i=await(await Et()).getFileHandle(kt,{create:!0}),s=i.createSyncAccessHandle;if(typeof s=="function")try{const c=await s.call(i);try{c.truncate(0),c.write(t,{at:0}),c.flush()}finally{c.close()}return}catch{}const o=await i.createWritable();try{await o.truncate(0);const c=new Uint8Array(t.length);c.set(t),await o.write(c)}finally{await o.close()}}async function Sn(){const t=await Et();let n;try{n=await t.getFileHandle(kt)}catch{throw new Error("Локальная база не найдена — сначала скачай сохранение")}const i=await n.getFile();if(i.size===0)throw new Error("Локальная база пуста");return new Uint8Array(await i.arrayBuffer())}async function Le(){try{return(await(await(await Et()).getFileHandle(kt)).getFile()).size>0}catch{return!1}}var In=ArrayBuffer,z=Uint8Array,We=Uint16Array,Jn=Int16Array,tt=Int32Array,ht=function(t,n,i){if(z.prototype.slice)return z.prototype.slice.call(t,n,i);(n==null||n<0)&&(n=0),(i==null||i>t.length)&&(i=t.length);var s=new z(i-n);return s.set(t.subarray(n,i)),s},_e=function(t,n,i,s){if(z.prototype.fill)return z.prototype.fill.call(t,n,i,s);for((i==null||i<0)&&(i=0),(s==null||s>t.length)&&(s=t.length);i<s;++i)t[i]=n;return t},Kn=function(t,n,i,s){if(z.prototype.copyWithin)return z.prototype.copyWithin.call(t,n,i,s);for((i==null||i<0)&&(i=0),(s==null||s>t.length)&&Line truncated
    <div id="home-db-banner" class="db-banner" role="status" hidden>
      <span id="home-db-text" class="db-banner-text">Проверка локальной базы…</span>
      <button id="home-db-go" class="db-banner-link" type="button">Синхронизация →</button>
    </div>
    <section class="card" aria-labelledby="words-title">
      <h2 id="words-title" class="card-title">📚 Слова</h2>
      <div class="words-toolbar">
        <input id="words-search" class="words-search" type="search" placeholder="Поиск: ключ, перевод, тег…"
          autocomplete="off" aria-label="Поиск по словам" />
        <select id="words-group" class="words-group" aria-label="Фильтр по группе">
          <option value="">Все группы</option>
        </select>
      </div>
      <p id="words-count" class="card-hint" role="status" aria-live="polite"></p>
      <div id="words-status" class="status-bar" role="status">База ещё не проверена.</div>
      <div id="words-list" class="words-list" aria-live="polite"></div>
      <div class="btn-row"><button id="words-more" class="btn" type="button" hidden>Показать ещё</button></div>
    </section>
  `;const i=t.querySelector("#home-db-banner"),s=t.querySelector("#home-db-text"),o=t.querySelector("#home-db-go"),c=t.querySelector("#words-search"),h=t.querySelector("#words-group"),w=t.querySelector("#words-count"),C=t.querySelector("#words-status"),x=t.querySelector("#words-list"),m=t.querySelector("#words-more");function U(g,k){i.hidden=!1,s.textContent=g,o.hidden=!1}function E(){i.hidden=!0}o.addEventListener("click",()=>{document.querySelector('.drawer-btn[data-page="sync"]')?.click()});let y=!1,Q=new Map,v=0,$=[],S=null,O=0,R=!1,Y=0,K=0;function M(){const g=h.value;if(g==="")return{search:c.value.trim(),groupId:null};const k=Number(g);return{search:c.value.trim(),groupId:Number.isFinite(k)?k:null}}function X(){m.hidden=!(y&&$.length<v),m.hidden||(m.textContent=`Показать ещё (${v-$.length} осталось)`)}function D(){x.innerHTML=$.map(g=>rr(g,Q,g.id===S)).join(""),w.textContent=v>0?`Показано ${$.length} из ${v}`:"",X()}function ee(g){if(S===g){g!=null&&G(g),S=null;return}S!=null&&G(S),S=g,g!=null&&re(g)}function G(g){const k=x.querySelector(`.word-row-wrap[data-word-id="${g}"]`);if(!k)return;const T=k.querySelector(".word-row"),q=k.querySelector(".word-extra");T&&(T.classList.remove("open"),T.setAttribute("aria-expanded","false")),q&&(q.hidden=!0,q.innerHTML="")}function re(g){const k=$.find(fe=>fe.id===g),T=x.querySelector(`.word-row-wrap[data-word-id="${g}"]`);if(!k||!T)return;const q=T.querySelector(".word-row"),P=T.querySelector(".word-extra");q&&(q.classList.add("open"),q.setAttribute("aria-expanded","true")),P&&(P.hidden=!1,P.innerHTML=cr(k,Q))}function V(g){C.textContent=g,C.hidden=g===""}async function j(){if(!y||R)return;R=!0;const g=++Y,k=M();m.disabled=!0,$.length===0&&V("Загрузка слов…");try{const[T,q]=await Promise.all([qn({search:k.search,groupId:k.groupId??void 0}),At({search:k.search,groupId:k.groupId??void 0,limit:tr,offset:0})]);if(g!==Y)return;v=T,$=q,O=q.length,S!=null&&!$.some(P=>P.id===S)&&(S=null),D(),V(q.length===0?"По этому запросу слов нет.":""),q.length===0&&v===0&&(w.textContent="Слов в базе пока нет.")}catch(T){if(g!==Y)return;V(`Не удалось загрузить слова: ${T instanceof Error?T.message:String(T)}`)}finally{g===Y&&(R=!1,m.disabled=!1,X())}}async function H(){if(!y||R||$.length>=v)return;R=!0;const g=++Y,k=M();m.disabled=!0,m.textContent="Загрузка…";try{const T=await At({search:k.search,groupId:k.groupId??void 0,limit:tr,offset:O});if(g!==Y)return;$=$.concat(T),O+=T.length,x.insertAdjacentHTML("beforeend",T.map(q=>rr(q,Q,q.id===S)).join("")),w.textContent=`Показано ${$.length} из ${v}`,X()}catch(T){if(g!==Y)return;V(`Не удалось догрузить: ${T instanceof Error?T.message:String(T)}`)}finally{g===Y&&(R=!1,m.disabled=!1,X())}}c.addEventListener("input",()=>{window.clearTimeout(K),K=window.setTimeout(()=>{j()},300)}),c.addEventListener("keydown",g=>{g.key==="Enter"&&(window.clearTimeout(K),j())}),h.addEventListener("change",()=>{j()}),m.addEventListener("click",()=>{H()}),x.addEventListener("click",g=>{const k=g.target.closest(".word-row");if(!k||k.disabled)return;const T=Number(k.dataset.wordId);Number.isFinite(T)&&ee(S===T?null:T)}),(async()=>{if(!await Le()){U("Локальной базы нет — скачай сохранение."),V("Нет локальной базы — скачай сохранение на странице «Синхронизация»."),w.textContent="";return}try{const k=await Sn();if(!Ct(k)){U("Файл в OPFS не похож на SQLite — перекачай сохранение.",!0),V("Файл в OPFS не похож на SQLite — перекачай сохранение.");return}E();try{const[q,P]=await Promise.all([Pn(),_n()]),fe=q;Q=new Map(P.map(ce=>[ce.id,ce])),h.innerHTML='<option value="">Все группы</option>'+fe.map(ce=>`<option value="${ce.id}">${Ue(ce.name)}</option>`).join(""),y=!0,await j(),h.options[0].textContent=`Все группы (${v})`}catch(q){V(`БД есть, но слова не прочитались: ${q instanceof Error?q.message:String(q)}`)}}catch(k){U(`Не удалось прочитать базу: ${k instanceof Error?k.message:String(k)}`)}})()}function Ae(t){return t.replace(/&/g,"&amp;").replace(/</g,"&lt;").replace(/>/g,"&gt;").replace(/"/g,"&quot;").replace(/'/g,"&#39;")}function ga(t,n){const i=[t.forward,t.backward].filter(s=>s.trim().length>0).join(" → ");return`<div class="word-row-wrap" data-deck-id="${t.id}"><button class="word-row" type="button" data-deck-id="${t.id}" aria-expanded="${n}" aria-controls="deck-extra-${t.id}"><span class="word-main"><span class="word-key">${Ae(t.name)}</span>`+(i?`<span class="word-sep"> · </span><span class="word-value">${Ae(i)}</span>`:"")+`</span></button><div class="word-extra" id="deck-extra-${t.id}"${n?"":" hidden"}>`+(n?ur(t):"")+"</div></div>"}function ur(t){return`<dl class="word-extra-list">${[["forward"Line truncated
    <section class="card" aria-labelledby="decks-title">
      <h2 id="decks-title" class="card-title">🗂️ Колоды</h2>
      <p id="decks-count" class="card-hint" role="status" aria-live="polite"></p>
      <div id="decks-status" class="status-bar" role="status">Проверка локальной базы…</div>
      <div id="decks-list" class="words-list" aria-live="polite"></div>
    </section>
  `;const n=t.querySelector("#decks-count"),i=t.querySelector("#decks-status"),s=t.querySelector("#decks-list");let o=[],c=null;function h(m){i.textContent=m,i.hidden=m===""}function w(m){const U=s.querySelector(`.word-row-wrap[data-deck-id="${m}"]`);if(!U)return;const E=U.querySelector(".word-row"),y=U.querySelector(".word-extra");E&&(E.classList.remove("open"),E.setAttribute("aria-expanded","false")),y&&(y.hidden=!0,y.innerHTML="")}function C(m){const U=o.find(v=>v.id===m),E=s.querySelector(`.word-row-wrap[data-deck-id="${m}"]`);if(!U||!E)return;const y=E.querySelector(".word-row"),Q=E.querySelector(".word-extra");y&&(y.classList.add("open"),y.setAttribute("aria-expanded","true")),Q&&(Q.hidden=!1,Q.innerHTML=ur(U))}function x(m){if(c===m){m!=null&&w(m),c=null;return}c!=null&&w(c),c=m,m!=null&&C(m)}s.addEventListener("click",m=>{const U=m.target.closest(".word-row");if(!U)return;const E=Number(U.dataset.deckId);Number.isFinite(E)&&x(c===E?null:E)}),(async()=>{if(!await Le()){h("Нет локальной базы — скачай сохранение на странице «Синхронизация»."),n.textContent="";return}h("Загрузка колод…");try{if(o=await Ln(),o.length===0){n.textContent="Колоды пока отсутствуют.",h(""),s.innerHTML="";return}n.textContent=`Всего: ${o.length}`,h(""),s.innerHTML=o.map(U=>ga(U,U.id===c)).join("")}catch(U){h(`Не удалось загрузить колоды: ${U instanceof Error?U.message:String(U)}`)}})()}const nr=24,ma=/^[A-Za-z0-9]{24}$/,dr="japlearn_sync_token";function ar(t){return t.trim().replace(/\s+/g,"")}function be(t){return ma.test(t)}function va(){try{return localStorage.getItem(dr)??""}catch{return""}}function mt(t){try{localStorage.setItem(dr,t)}catch{}}const pr="https://learning.micialware.ru";function ya(t,n=pr){return`${n.replace(/\/+$/,"")}/download/${encodeURIComponent(t)}`}async function ba(t,n,i=pr){const s=ya(t,i);let o;try{o=await fetch(s,{method:"GET",...n})}catch(h){throw new Error(`Нет связи с сервером: ${h instanceof Error?h.message:String(h)}`)}if(!o.ok)throw o.status===404?new Error("Сохранение не найдено (404). Проверь токен."):new Error(`Сервер ответил ${o.status} ${o.statusText}`);const c=await o.arrayBuffer();if(c.byteLength===0)throw new Error("Сервер вернул пустой файл");return new Uint8Array(c)}function Ua(t){t.innerHTML=`
    <main class="card" aria-labelledby="sync-title">
      <h2 id="sync-title" class="card-title">📡 Синхронизация</h2>
      <p class="card-hint">Токен сохранения — 24 символа: латинские буквы и цифры.</p>
      <label class="field-label" for="token-input">Токен сохранения</label>
      <input
        id="token-input"
        class="token-input"
        type="text"
        inputmode="latin"
        autocomplete="off"
        autocapitalize="off"
        autocorrect="off"
        spellcheck="false"
        maxlength="24"
        minlength="24"
        placeholder="Например: aB3dEf7hJk9mN2pQr5tUvWx1z"
        aria-describedby="token-error token-counter"
      />
      <div class="token-meta">
        <span id="token-error" class="token-error" role="alert"></span>
        <span id="token-counter" class="token-counter" aria-live="polite">0 / 24</span>
      </div>
      <div class="btn-row">
        <button id="btn-download" class="btn" type="button" disabled>📥 Скачать</button>
        <button id="btn-upload" class="btn btn-primary" type="button" disabled>📤 Выгрузить</button>
      </div>
      <p id="status" class="status-bar" role="status">Введите токен из 24 символов</p>
    </main>
  `;const n=t.querySelector("#token-input"),i=t.querySelector("#token-error"),s=t.querySelector("#token-counter"),o=t.querySelector("#btn-download"),c=t.querySelector("#btn-upload"),h=t.querySelector("#status");function w(y){h.textContent=y,console.log(`[JapLearn] ${y}`)}function C(){return ar(n.value)}function x(y){o.disabled=y||!be(C()),c.disabled=!0,n.disabled=y,y||Le().then(Q=>{!n.disabled&&be(C())&&(c.disabled=!Q)})}function m(){const y=C(),Q=y.length;s.textContent=`${Q} / ${nr}`;const v=be(y),$=Q===0;n.classList.toggle("invalid",!$&&!v),n.setAttribute("aria-invalid",String(!$&&!v)),$?i.textContent="":Q!==nr?i.textContent=`Нужно 24 символа, сейчас ${Q}`:i.textContent=v?"":"Только латинские буквы и цифры",o.disabled=!v,v?Le().then(S=>{n.disabled||(c.disabled=!S)}):c.disabled=!0}async function U(){const y=C();if(be(y)){mt(y),x(!0),w("Скачивание сохранения...");try{const Q=await ba(y);w(`Скачано ${(Q.length/1024).toFixed(1)} КБ, распаковка...`);const v=await fa(Q);w(`Распаковано ${(v.length/1024).toFixed(1)} КБ, сохранение в OPFS...`),await Rn(v),w(`Готово: база ${(v.length/1024).toFixed(1)} КБ сохранена локально (OPFS).`)}catch(Q){w(`Ошибка скачивания: ${Q instanceof Error?Q.message:String(Q)}`)}finally{x(!1),m()}}}n.addEventListener("input",()=>{m()}),n.addEventListener("change",()=>{const y=C();n.value=y,be(y)&&(mt(y),w("Токен сохранён локально. Можно скачивать или выгружать.")),m()}),o.addEventListener("click",()=>{U()}),c.addEventListener("click",()=>{const y=C();be(y)&&(mt(y),w("Выгрузка — следующий шаг (POST /upload/stream/{id})."))});const E=va();E&&(n.value=E),m(),be(ar(E))&&Le().then(y=>{w(y?"Токен восстановлен, локальная база на месте.":"Токен восстановлен. Нажми «Скачать», чтобы получить базу."),m()})}const Ca={home:"Главная",decks:"Колоды",sync:"Синхронизация"};function Ie(t){const n=document.getElementById(t);if(!n)throw new Error(`[JapLearn] Не найден элемент #${t}`);return n}const fr=Ie("burger-btn"),et=Ie("drawer"),hr=Ie("drawer-overlay"),ka=Ie("page-title"),vt=Ie("page");let xt=!1;function Je(t){xt=t,et.classList.toggle("open",t),hr.hidden=!t,fr.setAttribute("aria-expanded",String(t)),et.setAttribute("aria-hidden",String(!t)),document.body.classList.toggle("drawer-open",t)}function Ea(t){et.querySelectorAll(".drawer-btn").forEach(n=>{n.classList.toggle("active",n.dataset.page===t)})}function gr(t){ka.textContent=Ca[t],Ea(t),t==="home"?ha(vt):t==="decks"?wa(vt):Ua(vt)}fr.addEventListener("click",()=>{Je(!xt)});hr.addEventListener("click",()=>{Je(!1)});document.addEventListener("keydown",t=>{t.key==="Escape"&&xt&&Je(!1)});et.querySelectorAll(".drawer-btn").forEach(t=>{t.addEventListener("click",()=>{const n=t.dataset.page;(n==="home"||n==="decks"||n==="sync")&&gr(n),Je(!1)})});await Tn();Je(!1);gr("home");console.log("[JapLearn] crossOriginIsolated =",window.crossOriginIsolated);
@@ -5,8 +5,8 @@
    <meta name="viewport" content="width=device-width, initial-scale=1.0, viewport-fit=cover" />
    <meta name="theme-color" content="#7c3aed" />
    <title>JapLearn — интервальные повторения</title>
-    <script type="module" crossorigin src="/assets/index-Dqxd5Tgf.js"></script>
+    <script type="module" crossorigin src="/assets/index-Ban37OPN.js"></script>
-    <link rel="stylesheet" crossorigin href="/assets/index-u8F3m7-8.css">
+    <link rel="stylesheet" crossorigin href="/assets/index-DkBF5-AQ.css">
  </head>
  <body>
    <div id="app">
@@ -7,7 +7,7 @@
 //   т.е. количество дней с 1970-01-01, без времени;
 // - states.fsrs_memory: сырое INTEGER-значение FSRS (не дата, не трогаем).
-import { query } from "./sqlite-api.ts";
+import { command, query } from "./sqlite-api.ts";
 export interface CustomField {
  id: number;
@@ -177,6 +177,190 @@ export async function getDecks(): Promise<Deck[]> {
  }));
 }
 /**
 * Обновляет редактируемые поля колоды (forward / backward / filter).
 * whitelist колонок захардкожен — sql-инъекция через имя поля невозможна.
 * Пустые строки разрешены: схема decks требует NOT NULL, но не запрещает ''.
 */
 export async function updateDeckFields(
  id: number,
  patch: { forward: string; backward: string; filter: string },
 ): Promise<Deck | null> {
  await command("UPDATE decks SET forward = ?, backward = ?, filter = ? WHERE id = ?", [
    patch.forward,
    patch.backward,
    patch.filter,
    id,
  ] as never[]);
  return getDeck(id);
 }
 /** Одна колода по id. null — нет такой строки. */
 export async function getDeck(id: number): Promise<Deck | null> {
  const rows = await query(
    "SELECT id, name, forward, backward, filter FROM decks WHERE id = ? LIMIT 1",
    [id] as never[],
  );
  const r = (rows as Record<string, unknown>[])[0];
  if (!r) return null;
  return {
    id: Number(r["id"]),
    name: String(r["name"] ?? ""),
    forward: String(r["forward"] ?? ""),
    backward: String(r["backward"] ?? ""),
    filter: String(r["filter"] ?? ""),
  };
 }
 /**
 * Сколько строк states привязано к каждой колоде (states.deck_id).
 * Один запрос на весь список — кладёт counts.get(deckId) ?? 0 в строку колоды.
 */
 export async function getDeckStateCounts(): Promise<Map<number, number>> {
  const rows = await query(
    "SELECT deck_id, COUNT(*) as cnt FROM states WHERE deck_id IS NOT NULL GROUP BY deck_id",
  );
  const m = new Map<number, number>();
  for (const r of rows as Record<string, unknown>[]) {
    if (r["deck_id"] == null) continue;
    const cnt = r["cnt"];
    m.set(Number(r["deck_id"]), typeof cnt === "number" ? cnt : Number(cnt ?? 0));
  }
  return m;
 }
 /** Сколько states у одной колоды (для списка колод). */
 export async function getDeckStateCount(deckId: number): Promise<number> {
  const rows = await query("SELECT COUNT(*) as cnt FROM states WHERE deck_id = ?", [
    deckId,
  ] as never[]);
  const cnt = (rows[0] as Record<string, unknown> | undefined)?.["cnt"];
  return typeof cnt === "number" ? cnt : Number(cnt ?? 0);
 }
 /**
 * Сколько уникальных слов связано с колодой (states.word_id при deck_id).
 * Именно это показываем на странице колоды как «количество слов».
 */
 export async function getDeckWordCount(deckId: number): Promise<number> {
  const rows = await query(
    "SELECT COUNT(DISTINCT word_id) as cnt FROM states WHERE deck_id = ?",
    [deckId] as never[],
  );
  const cnt = (rows[0] as Record<string, unknown> | undefined)?.["cnt"];
  return typeof cnt === "number" ? cnt : Number(cnt ?? 0);
 }
 /** Все строки states одной колоды, свежие первыми. */
 export async function getDeckStates(deckId: number): Promise<WordState[]> {
  const rows = await query(
    "SELECT id, word_id, deck_id, score, last_opened, fsrs_opened, fsrs_memory, fsrs_open_day FROM states WHERE deck_id = ? ORDER BY last_opened DESC, id DESC",
    [deckId] as never[],
  );
  return (rows as Record<string, unknown>[]).map((r) => ({
    id: Number(r["id"]),
    word_id: Number(r["word_id"]),
    deck_id: r["deck_id"] == null ? null : Number(r["deck_id"]),
    score: Number(r["score"] ?? 0),
    last_opened: Number(r["last_opened"] ?? 0),
    fsrs_opened: Number(r["fsrs_opened"] ?? 0),
    fsrs_memory: Number(r["fsrs_memory"] ?? 0),
    fsrs_open_day: Number(r["fsrs_open_day"] ?? 0),
  }));
 }
 /**
 * Пакетная подгрузка слов по id (для страницы колоды: показать key/value рядом со states).
 * Возвращает Map word_id -> Word, чтобы не делать N+1 запросов.
 */
 export async function getWordsByIds(ids: number[]): Promise<Map<number, Word>> {
  const m = new Map<number, Word>();
  const uniq = [...new Set(ids.filter((n) => Number.isFinite(n)))];
  if (uniq.length === 0) return m;
  // SQLite-плейсхолдеры строим чанками, чтобы не упереться в лимиты.
  const CHUNK = 400;
  for (let i = 0; i < uniq.length; i += CHUNK) {
    const part = uniq.slice(i, i + CHUNK);
    const holders = part.map(() => "?").join(",");
    const rows = await query(
      `SELECT id, key, value, tags, more, group_id FROM words WHERE id IN (${holders})`,
      part as never[],
    );
    for (const w of (rows as Record<string, unknown>[]).map(mapRowToWord)) m.set(w.id, w);
  }
  return m;
 }
 /**
 * Значения «именованных» полей слова для шаблонов forward/backward.
 * Ключи: встроенные key/value/tags + identifier и name каждого custom_fields (lowercase).
 * Пустые значения пропускаем на этапе рендера.
 */
 export function wordFieldValues(
  word: Word,
  fields: CustomField[],
 ): Map<string, string> {
  const m = new Map<string, string>();
  m.set("key", word.key);
  m.set("value", word.value);
  m.set("tags", word.tagsList.join(", "));
  for (const f of fields) {
    const v = word.more.get(f.id) ?? "";
    if (!v) continue;
    // identifier — каноническое имя из десктопа (напр. "reading").
    // name тоже кладём — вдруг шаблон ссылается на отображаемое имя.
    // Первое непустое побеждает: не затираем уже положенное.
    for (const k of [f.identifier, f.name]) {
      const key = k.trim().toLowerCase();
      if (!key || m.has(key)) continue;
      m.set(key, v);
    }
  }
  return m;
 }
 /**
 * Рендер стороны карточки: список имён полей через пробел ("reading value").
 * Неизвестные/пустые поля пропускаем. Возвращает непустые значения по порядку.
 */
 export function renderCardSide(
  template: string,
  values: Map<string, string>,
 ): string[] {
  const out: string[] = [];
  for (const tok of template.split(/\s+/)) {
    const t = tok.trim().toLowerCase();
    if (!t) continue;
    const v = (values.get(t) ?? "").trim();
    if (v) out.push(v);
  }
  return out;
 }
 /**
 * Случайная выборка word_id из states колоды без повторений (Fisher–Yates).
 * Один запрос DISTINCT word_id, тасуем в памяти, режем до limit.
 */
 export async function sampleDeckWordIds(
  deckId: number,
  limit?: number,
 ): Promise<number[]> {
  const rows = await query(
    "SELECT DISTINCT word_id as word_id FROM states WHERE deck_id = ?",
    [deckId] as never[],
  );
  const ids = (rows as Record<string, unknown>[])
    .map((r) => Number(r["word_id"]))
    .filter((n) => Number.isFinite(n));
  // Тасование Фишера–Йетса: равномерная перестановка за O(n).
  for (let i = ids.length - 1; i > 0; i--) {
    const j = Math.floor(Math.random() * (i + 1));
    [ids[i], ids[j]] = [ids[i]!, ids[j]!];
  }
  if (limit != null && limit >= 0) return ids.slice(0, limit);
  return ids;
 }
 export async function getCustomFields(): Promise<CustomField[]> {
  const rows = await query("SELECT id, name, identifier FROM custom_fields ORDER BY id");
  return (rows as Record<string, unknown>[]).map((r) => ({
@@ -36,7 +36,7 @@ self.onmessage = async (e) => {
            }
            case 'command': {
                if (db === null) throw new Error('БД не инициализирована');
-                db.exec(sql, params ?? []);
+                db.exec({ sql, bind: params ?? [] });
                self.postMessage({ type: 'success', id, data: null });
                break;
            }
@@ -0,0 +1,171 @@
 // Страница одной колоды: данные строки decks + количество связанных слов.
 // forward / backward / filter — редактируемые, сохраняются в локальную БД.
 // Никакого списка states здесь нет. Навигация: «← Назад к колодам» в список.
 import { getDeck, getDeckWordCount, updateDeckFields } from './db-types.ts';
 import { hasDatabaseFile } from './opfs.ts';
 export type DeckNav = {
  goDecks: () => void;
  goReview: (deckId: number) => void;
 };
 function fmtOrDash(s: string): string {
  return s ? escapeHtml(s) : '<span class="empty-val">—</span>';
 }
 function escapeHtml(s: string): string {
  return s
    .replace(/&/g, '&amp;')
    .replace(/</g, '&lt;')
    .replace(/>/g, '&gt;')
    .replace(/"/g, '&quot;')
    .replace(/'/g, '&#39;');
 }
 /** attribute-escape для подстановки текущих значений в value="...". */
 function escapeAttr(s: string): string {
  return s
    .replace(/&/g, '&amp;')
    .replace(/"/g, '&quot;')
    .replace(/</g, '&lt;')
    .replace(/>/g, '&gt;');
 }
 function pluralWords(n: number): string {
  const m10 = n % 10;
  const m100 = n % 100;
  if (m10 === 1 && m100 !== 11) return 'слово';
  if (m10 >= 2 && m10 <= 4 && (m100 < 12 || m100 > 14)) return 'слова';
  return 'слов';
 }
 export function renderDeckPage(root: HTMLElement, deckId: number, nav: DeckNav): void {
  root.innerHTML = `
    <button id="deck-back" class="btn btn-ghost" type="button">← Назад к колодам</button>
    <section class="card" aria-labelledby="deck-title">
      <h2 id="deck-title" class="card-title">Колода…</h2>
      <div id="deck-status" class="status-bar" role="status">Загрузка колоды…</div>
      <div id="deck-body"></div>
    </section>
  `;
  const backBtn = root.querySelector<HTMLButtonElement>('#deck-back')!;
  const titleEl = root.querySelector<HTMLElement>('#deck-title')!;
  const statusEl = root.querySelector<HTMLElement>('#deck-status')!;
  const bodyEl = root.querySelector<HTMLElement>('#deck-body')!;
  backBtn.addEventListener('click', () => nav.goDecks());
  void (async () => {
    const has = await hasDatabaseFile();
    if (!has) {
      titleEl.textContent = 'Колода недоступна';
      statusEl.textContent = 'Нет локальной базы — скачай сохранение на странице «Синхронизация».';
      return;
    }
    let deck = null;
    try {
      deck = await getDeck(deckId);
    } catch (err) {
      titleEl.textContent = 'Колода недоступна';
      statusEl.textContent = `Не удалось загрузить колоду: ${err instanceof Error ? err.message : String(err)}`;
      return;
    }
    if (!deck) {
      titleEl.textContent = 'Колода не найдена';
      statusEl.textContent = `Колоды с id=${deckId} нет в локальной базе. Возможно, база обновилась — вернись к списку.`;
      return;
    }
    const d = deck;
    titleEl.textContent = d.name || `Колода #${d.id}`;
    statusEl.hidden = true;
    let wordCount: number | null = null;
    try {
      wordCount = await getDeckWordCount(d.id);
    } catch (err) {
      statusEl.hidden = false;
      statusEl.textContent = `Данные колоды загружены, а количество слов — нет: ${err instanceof Error ? err.message : String(err)}`;
    }
    bodyEl.innerHTML = `
      <dl class="word-extra-list">
        <div class="word-extra-row"><dt>id</dt><dd>${d.id}</dd></div>
        <div class="word-extra-row"><dt>name</dt><dd>${fmtOrDash(d.name)}</dd></div>
      </dl>
      <form id="deck-form" class="deck-form" autocomplete="off">
        <label class="field-label" for="deck-forward">forward</label>
        <input id="deck-forward" class="token-input" type="text" value="${escapeAttr(d.forward)}" />
        <label class="field-label" for="deck-backward">backward</label>
        <input id="deck-backward" class="token-input" type="text" value="${escapeAttr(d.backward)}" />
        <label class="field-label" for="deck-filter">filter</label>
        <input id="deck-filter" class="token-input" type="text" value="${escapeAttr(d.filter)}" />
        <div class="btn-row">
          <button id="deck-save" class="btn btn-primary" type="submit">💾 Сохранить</button>
        </div>
        <p id="deck-form-status" class="card-hint" role="status" aria-live="polite"></p>
      </form>
      <h3 class="deck-sub">📚 ${wordCount == null ? 'Количество слов неизвестно' : `${wordCount} ${pluralWords(wordCount)}`}</h3>
      <div class="btn-row">
        <button id="deck-review" class="btn btn-primary" type="button"${wordCount === 0 ? ' disabled' : ''}>▶ Повторять</button>
      </div>
    `;
    const form = bodyEl.querySelector<HTMLFormElement>('#deck-form')!;
    const forwardInput = bodyEl.querySelector<HTMLInputElement>('#deck-forward')!;
    const backwardInput = bodyEl.querySelector<HTMLInputElement>('#deck-backward')!;
    const filterInput = bodyEl.querySelector<HTMLInputElement>('#deck-filter')!;
    const saveBtn = bodyEl.querySelector<HTMLButtonElement>('#deck-save')!;
    const formStatus = bodyEl.querySelector<HTMLElement>('#deck-form-status')!;
    const reviewBtn = bodyEl.querySelector<HTMLButtonElement>('#deck-review')!;
    reviewBtn.addEventListener('click', () => nav.goReview(d.id));
    // Кнопка активна только при отличии от сохранённого.
    const snapshot = (): string =>
      `${forwardInput.value}\n${backwardInput.value}\n${filterInput.value}`;
    let savedSnapshot = snapshot();
    function refreshDirty(): void {
      saveBtn.disabled = snapshot() === savedSnapshot || saveBtn.dataset.busy === '1';
    }
    for (const el of [forwardInput, backwardInput, filterInput]) {
      el.addEventListener('input', refreshDirty);
    }
    refreshDirty();
    form.addEventListener('submit', (e) => {
      e.preventDefault();
      if (saveBtn.disabled) return;
      saveBtn.dataset.busy = '1';
      saveBtn.disabled = true;
      saveBtn.textContent = 'Сохранение…';
      formStatus.textContent = '';
      void (async () => {
        try {
          const updated = await updateDeckFields(d.id, {
            forward: forwardInput.value,
            backward: backwardInput.value,
            filter: filterInput.value,
          });
          if (!updated) {
            formStatus.textContent = 'Колода пропала из базы — вернись к списку.';
            return;
          }
          forwardInput.value = updated.forward;
          backwardInput.value = updated.backward;
          filterInput.value = updated.filter;
          savedSnapshot = snapshot();
          formStatus.textContent = '✅ Сохранено в локальную базу.';
        } catch (err) {
          formStatus.textContent = `Не удалось сохранить: ${err instanceof Error ? err.message : String(err)}`;
        } finally {
          delete saveBtn.dataset.busy;
          saveBtn.textContent = '💾 Сохранить';
          refreshDirty();
        }
      })();
    });
  })();
 }
@@ -1,10 +1,15 @@
-// Страница «Колоды»: плоский список строк из таблицы decks 1:1.
+// Страница «Колоды»: плоский список — только название + количество states.
-// Никаких связей (states/history/words) здесь не додумываем — только колонки таблицы.
+// Раскрытия по нажатию нет: тап переходит на страницу колоды, где все данные.
-import { getDecks } from './db-types.ts';
+import { getDecks, getDeckStateCounts } from './db-types.ts';
 import type { Deck } from './db-types.ts';
 import { hasDatabaseFile } from './opfs.ts';
 export type DecksNav = {
  goDeck: (deckId: number) => void;
  goReview: (deckId: number) => void;
 };
 function escapeHtml(s: string): string {
  return s
    .replace(/&/g, '&amp;')
@@ -14,34 +19,28 @@ function escapeHtml(s: string): string {
    .replace(/'/g, '&#39;');
 }
-// Одна колода — плоская строка: имя слева, направление справа.
+function plural(n: number): string {
-function deckRowHtml(d: Deck, expanded: boolean): string {
+  const m10 = n % 10;
-  const dir = [d.forward, d.backward].filter((s) => s.trim().length > 0).join(' → ');
+  const m100 = n % 100;
-  return `<div class="word-row-wrap" data-deck-id="${d.id}">`
+  if (m10 === 1 && m100 !== 11) return 'запись';
-    + `<button class="word-row" type="button" data-deck-id="${d.id}"`
+  if (m10 >= 2 && m10 <= 4 && (m100 < 12 || m100 > 14)) return 'записи';
-    + ` aria-expanded="${expanded}" aria-controls="deck-extra-${d.id}">`
+  return 'записей';
    + `<span class="word-main"><span class="word-key">${escapeHtml(d.name)}</span>`
    + (dir ? `<span class="word-sep"> · </span><span class="word-value">${escapeHtml(dir)}</span>` : '')
    + `</span></button>`
    + `<div class="word-extra" id="deck-extra-${d.id}"${expanded ? '' : ' hidden'}>`
    + (expanded ? deckExtraHtml(d) : '')
    + `</div></div>`;
 }
-// Раскрытие — сырые поля строки decks (имена колонок как в dbschema.sql).
+// Одна колода — плоская строка: имя + количество слева, «▶» справа.
-function deckExtraHtml(d: Deck): string {
+// Тап по имени — на страницу колоды, тап по «▶» — сразу в повторение.
-  const rows: Array<[string, string]> = [
+function deckRowHtml(d: Deck, count: number): string {
-    ['forward', d.forward],
+  const name = escapeHtml(d.name) || `<span class="empty-val">Колода #${d.id}</span>`;
-    ['backward', d.backward],
+  return `<div class="word-row-wrap deck-row" data-deck-id="${d.id}">`
-    ['filter', d.filter],
+    + `<button class="word-row deck-name" type="button" data-act="open" data-deck-id="${d.id}">`
-  ];
+    + `<span class="word-main"><span class="word-key">${name}</span></span>`
-  const html = rows
+    + `<span class="word-tag">${count} ${plural(count)}</span>`
-    .map(([k, v]) => `<div class="word-extra-row"><dt>${escapeHtml(k)}</dt><dd>${v ? escapeHtml(v) : '<span class="empty-val">—</span>'}</dd></div>`)
+    + `</button>`
-    .join('');
+    + `<button class="deck-play" type="button" data-act="review" data-deck-id="${d.id}" aria-label="Повторять: ${escapeHtml(d.name) || `колода ${d.id}`}">▶</button>`
-  return `<dl class="word-extra-list">${html}</dl>`;
+    + `</div>`;
 }
-export function renderDecksPage(root: HTMLElement): void {
+export function renderDecksPage(root: HTMLElement, nav: DecksNav): void {
  root.innerHTML = `
    <section class="card" aria-labelledby="decks-title">
      <h2 id="decks-title" class="card-title">🗂️ Колоды</h2>
@@ -55,62 +54,18 @@ export function renderDecksPage(root: HTMLElement): void {
  const statusEl = root.querySelector<HTMLElement>('#decks-status')!;
  const listEl = root.querySelector<HTMLElement>('#decks-list')!;
  let decks: Deck[] = [];
  let expandedId: number | null = null;
  function setStatus(msg: string): void {
    statusEl.textContent = msg;
    statusEl.hidden = msg === '';
  }
  function collapseRow(id: number): void {
    const wrap = listEl.querySelector(`.word-row-wrap[data-deck-id="${id}"]`);
    if (!wrap) return;
    const btn = wrap.querySelector<HTMLButtonElement>('.word-row');
    const extra = wrap.querySelector<HTMLElement>('.word-extra');
    if (btn) {
      btn.classList.remove('open');
      btn.setAttribute('aria-expanded', 'false');
    }
    if (extra) {
      extra.hidden = true;
      extra.innerHTML = '';
    }
  }
  function expandRow(id: number): void {
    const d = decks.find((x) => x.id === id);
    const wrap = listEl.querySelector(`.word-row-wrap[data-deck-id="${id}"]`);
    if (!d || !wrap) return;
    const btn = wrap.querySelector<HTMLButtonElement>('.word-row');
    const extra = wrap.querySelector<HTMLElement>('.word-extra');
    if (btn) {
      btn.classList.add('open');
      btn.setAttribute('aria-expanded', 'true');
    }
    if (extra) {
      extra.hidden = false;
      extra.innerHTML = deckExtraHtml(d);
    }
  }
  function setExpanded(id: number | null): void {
    if (expandedId === id) {
      if (id != null) collapseRow(id);
      expandedId = null;
      return;
    }
    if (expandedId != null) collapseRow(expandedId);
    expandedId = id;
    if (id != null) expandRow(id);
  }
  listEl.addEventListener('click', (e) => {
-    const btn = (e.target as HTMLElement).closest<HTMLButtonElement>('.word-row');
+    const btn = (e.target as HTMLElement).closest<HTMLButtonElement>('[data-act]');
    if (!btn) return;
    const id = Number(btn.dataset.deckId);
    if (!Number.isFinite(id)) return;
-    setExpanded(expandedId === id ? null : id);
+    if (btn.dataset.act === 'review') nav.goReview(id);
    else nav.goDeck(id);
  });
  void (async () => {
@@ -122,7 +77,7 @@ export function renderDecksPage(root: HTMLElement): void {
    }
    setStatus('Загрузка колод…');
    try {
-      decks = await getDecks();
+      const [decks, counts] = await Promise.all([getDecks(), getDeckStateCounts()]);
      if (decks.length === 0) {
        countEl.textContent = 'Колоды пока отсутствуют.';
        setStatus('');
@@ -131,9 +86,12 @@ export function renderDecksPage(root: HTMLElement): void {
      }
      countEl.textContent = `Всего: ${decks.length}`;
      setStatus('');
-      listEl.innerHTML = decks.map((d) => deckRowHtml(d, d.id === expandedId)).join('');
+      listEl.innerHTML = decks
        .map((d) => deckRowHtml(d, counts.get(d.id) ?? 0))
        .join('');
    } catch (err) {
      setStatus(`Не удалось загрузить колоды: ${err instanceof Error ? err.message : String(err)}`);
    }
  })();
 }
@@ -1,16 +1,20 @@
 import './style.css';
 import { renderHomePage } from './home-page.ts';
 import { renderDecksPage } from './decks-page.ts';
 import { renderDeckPage } from './deck-page.ts';
 import { renderReviewPage } from './review-page.ts';
 import { renderSyncPage } from './sync-page.ts';
 import { initWorker } from './sqlite-api.ts';
-// Каркас приложения: топ-бар + бургер-меню + страницы (Главная / Колоды / Синхронизация).
+// Каркас приложения: топ-бар + бургер-меню + страницы (Главная / Колоды / Колода / Повторение / Синхронизация).
-type Page = 'home' | 'decks' | 'sync';
+type Page = 'home' | 'decks' | 'deck' | 'review' | 'sync';
 const PAGE_TITLES: Record<Page, string> = {
  home: 'Главная',
  decks: 'Колоды',
  deck: 'Колода',
  review: 'Повторение',
  sync: 'Синхронизация',
 };
@@ -43,13 +47,24 @@ function setActiveButton(page: Page): void {
  });
 }
-function renderPage(page: Page): void {
+function renderPage(page: Page, deckId?: number): void {
  pageTitle.textContent = PAGE_TITLES[page];
-  setActiveButton(page);
+  // Страницы колоды и повторения — подразделы «Колод»: в меню подсвечиваем «Колоды».
  setActiveButton(page === 'deck' || page === 'review' ? 'decks' : page);
  if (page === 'home') {
    renderHomePage(pageRoot, {});
  } else if (page === 'decks') {
-    renderDecksPage(pageRoot);
+    renderDecksPage(pageRoot, {
      goDeck: (id) => renderPage('deck', id),
      goReview: (id) => renderPage('review', id),
    });
  } else if (page === 'deck') {
    renderDeckPage(pageRoot, deckId ?? 0, {
      goDecks: () => renderPage('decks'),
      goReview: (id) => renderPage('review', id),
    });
  } else if (page === 'review') {
    renderReviewPage(pageRoot, deckId ?? 0, { goDecks: () => renderPage('decks') });
  } else {
    renderSyncPage(pageRoot);
  }
@@ -0,0 +1,191 @@
 // Страница повторения колоды: карточка за карточкой по случайной выборке.
 // Лицевая сторона — поля из deck.forward, по тапу дорисовывается deck.backward.
 // Внизу 4 кнопки самооценки: "не получилось" / "тяжело" / "хорошо" / "легко".
 // Пока без записи ответов: только навигация по очереди (история — следующий шаг).
 import {
  getCustomFields,
  getDeck,
  getWordsByIds,
  renderCardSide,
  sampleDeckWordIds,
  wordFieldValues,
 } from './db-types.ts';
 import type { CustomField, Word } from './db-types.ts';
 import { hasDatabaseFile } from './opfs.ts';
 export type ReviewNav = {
  goDecks: () => void;
 };
 function escapeHtml(s: string): string {
  return s
    .replace(/&/g, '&amp;')
    .replace(/</g, '&lt;')
    .replace(/>/g, '&gt;')
    .replace(/"/g, '&quot;')
    .replace(/'/g, '&#39;');
 }
 const GRADES = [
  { label: '😞 Не получилось', cls: 'grade-fail' },
  { label: '😟 Тяжело', cls: 'grade-hard' },
  { label: '🙂 Хорошо', cls: 'grade-good' },
  { label: '🤩 Легко', cls: 'grade-easy' },
 ] as const;
 export function renderReviewPage(root: HTMLElement, deckId: number, nav: ReviewNav): void {
  root.innerHTML = `
    <button id="review-back" class="btn btn-ghost" type="button">← Назад к колодам</button>
    <section class="card" aria-labelledby="review-title">
      <h2 id="review-title" class="card-title">Повторение…</h2>
      <p id="review-progress" class="card-hint" role="status" aria-live="polite"></p>
      <div id="review-status" class="status-bar" role="status">Загрузка карточек…</div>
      <div id="review-body"></div>
    </section>
  `;
  const backBtn = root.querySelector<HTMLButtonElement>('#review-back')!;
  const titleEl = root.querySelector<HTMLElement>('#review-title')!;
  const progressEl = root.querySelector<HTMLElement>('#review-progress')!;
  const statusEl = root.querySelector<HTMLElement>('#review-status')!;
  const bodyEl = root.querySelector<HTMLElement>('#review-body')!;
  backBtn.addEventListener('click', () => nav.goDecks());
  function setStatus(msg: string): void {
    statusEl.textContent = msg;
    statusEl.hidden = msg === '';
  }
  // Очередь сессии: перетасованные id без повторений + подгруженные слова.
  let queue: number[] = [];
  let words = new Map<number, Word>();
  let fields: CustomField[] = [];
  let forwardTpl = '';
  let backwardTpl = '';
  let pos = 0;
  let revealed = false;
  function sideHtml(values: string[], cls: string): string {
    if (values.length === 0) {
      return `<div class="review-side ${cls}"><span class="empty-val">—</span></div>`;
    }
    return `<div class="review-side ${cls}">`
      + values.map((v) => `<p class="review-line">${escapeHtml(v)}</p>`).join('')
      + `</div>`;
  }
  function paint(): void {
    const w = words.get(queue[pos]!);
    if (!w) {
      bodyEl.innerHTML = '';
      progressEl.textContent = '';
      setStatus('Слово пропало из базы — пропускаю.');
      return;
    }
    const values = wordFieldValues(w, fields);
    const front = renderCardSide(forwardTpl, values);
    const back = revealed ? renderCardSide(backwardTpl, values) : null;
    progressEl.textContent = `Карточка ${pos + 1} из ${queue.length}`;
    setStatus('');
    const backHtml = !revealed
      ? `<p class="review-tap">Тап — показать ответ</p>`
      : sideHtml(back ?? [], 'review-back-side');
    // Оценки — только после открытия (вместе с backward), до этого лишь тап по карточке.
    const gradesHtml = revealed
      ? `<div class="review-grades" role="group" aria-label="Оценка повторения">
        ${GRADES.map((g) => `<button class="btn review-grade ${g.cls}" type="button">${g.label}</button>`).join('')}
      </div>`
      : '';
    bodyEl.innerHTML = `
      <button id="review-card" class="review-card" type="button"
        aria-expanded="${revealed}" aria-label="${revealed ? 'Карточка открыта' : 'Показать ответ'}">
        ${sideHtml(front, 'review-front')}
        ${revealed ? `<hr class="review-hr" />` : ''}
        ${backHtml}
      </button>
      ${gradesHtml}
    `;
    bodyEl.querySelector<HTMLButtonElement>('#review-card')!.addEventListener('click', () => {
      if (!revealed) {
        revealed = true;
        paint();
      }
    });
    bodyEl.querySelectorAll<HTMLButtonElement>('.review-grade').forEach((btn) => {
      btn.addEventListener('click', () => {
        // Запись ответов (history/states) — следующим шагом, пока просто дальше.
        pos += 1;
        revealed = false;
        if (pos >= queue.length) paintDone();
        else paint();
      });
    });
  }
  function paintDone(): void {
    progressEl.textContent = `Готово: ${queue.length} из ${queue.length}`;
    setStatus('');
    bodyEl.innerHTML = `
      <p class="card-hint">Все карточки сессии просмотрены. Запись оценок — следующим шагом.</p>
      <div class="btn-row">
        <button id="review-again" class="btn btn-primary" type="button">🔀 Перемешать заново</button>
      </div>
    `;
    bodyEl.querySelector<HTMLButtonElement>('#review-again')!.addEventListener('click', () => {
      void reshuffle();
    });
  }
  async function reshuffle(): Promise<void> {
    setStatus('Перемешиваю…');
    bodyEl.innerHTML = '';
    progressEl.textContent = '';
    queue = await sampleDeckWordIds(deckId);
    pos = 0;
    revealed = false;
    if (queue.length === 0) {
      setStatus('В колоде нет слов для повторения.');
      return;
    }
    words = await getWordsByIds(queue);
    paint();
  }
  void (async () => {
    const has = await hasDatabaseFile();
    if (!has) {
      titleEl.textContent = 'Повторение недоступно';
      setStatus('Нет локальной базы — скачай сохранение на странице «Синхронизация».');
      return;
    }
    try {
      const [deck, customFields] = await Promise.all([getDeck(deckId), getCustomFields()]);
      if (!deck) {
        titleEl.textContent = 'Колода не найдена';
        setStatus(`Колоды с id=${deckId} нет в локальной базе. Вернись к списку.`);
        return;
      }
      fields = customFields;
      forwardTpl = deck.forward;
      backwardTpl = deck.backward;
      titleEl.textContent = deck.name || `Колода #${deck.id}`;
      queue = await sampleDeckWordIds(deck.id);
      if (queue.length === 0) {
        progressEl.textContent = '';
        setStatus('В колоде нет слов для повторения.');
        return;
      }
      // Слова грузим одним батчем (чанки внутри getWordsByIds), очередь уже перемешана.
      words = await getWordsByIds(queue);
      pos = 0;
      revealed = false;
      paint();
    } catch (err) {
      titleEl.textContent = 'Повторение недоступно';
      setStatus(`Не удалось загрузить карточки: ${err instanceof Error ? err.message : String(err)}`);
    }
  })();
 }
@@ -477,3 +477,185 @@ body.drawer-open {
 .empty-val {
  opacity: 0.5;
 }
 /* Кнопка-строка колоды: div-обёртка + button в одном элементе.
   .word-row сбрасывает border — возвращаем разделитель. */
 button.word-row-wrap {
  border: none;
  border-bottom: 1px solid #eee9fb;
 }
 button.word-row-wrap:last-child {
  border-bottom: none;
 }
 button.word-row-wrap:not(:disabled):hover {
  background: #f4f1fa;
 }
 /* Призрачная кнопка «назад» + подзаголовок на странице колоды */
 .btn-ghost {
  align-self: flex-start;
  flex: none;
  border: 2px solid #d9d2f0;
  background: #fff;
  color: #4c446b;
  box-shadow: none;
 }
 .btn-ghost:active {
  background: #f1eafe;
  border-color: #7c3aed;
 }
 /* Форма редактирования колоды: инпуты + статус. id/name — только чтение. */
 .deck-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
 }
 .deck-form .field-label {
  margin-top: 4px;
 }
 .deck-form .btn-row {
  margin-top: 8px;
 }
 .deck-form .card-hint:empty {
  display: none;
 }
 .deck-sub {
  margin: 16px 0 8px;
  font-size: 1rem;
  color: #4c446b;
 }
 /* Строка колоды: div-обёртка — name слева тянется, «▶» справа фиксирован. */
 .deck-row {
  display: flex;
  align-items: stretch;
  gap: 4px;
 }
 .deck-name {
  flex: 1;
  min-width: 0;
 }
 .deck-play {
  flex: none;
  align-self: center;
  width: 44px;
  height: 44px;
  border: 2px solid #d9d2f0;
  border-radius: 12px;
  background: #f1eafe;
  color: #6d28d9;
  font-size: 1rem;
  cursor: pointer;
  touch-action: manipulation;
 }
 .deck-play:active {
  background: #e9defc;
  border-color: #7c3aed;
 }
 /* --- Повторение: карточка + 4 кнопки оценок --- */
 #review-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 12px;
 }
 /* Карточка — вся кнопка: сначала только forward, по тапу дорисовывается backward. */
 .review-card {
  display: block;
  width: 100%;
  border: 2px solid #d9d2f0;
  border-radius: 14px;
  background: #fbfaff;
  padding: 20px 16px;
  font: inherit;
  color: inherit;
  text-align: center;
  cursor: pointer;
  touch-action: manipulation;
 }
 .review-card:active {
  border-color: #7c3aed;
 }
 .review-side {
  display: flex;
  flex-direction: column;
  gap: 8px;
 }
 .review-line {
  margin: 0;
  overflow-wrap: break-word;
 }
 .review-front .review-line:first-child {
  font-size: 1.5rem;
  font-weight: 800;
 }
 .review-hr {
  border: none;
  border-top: 1px solid #eee9fb;
  margin: 14px 0;
 }
 .review-tap {
  margin: 12px 0 0;
  font-size: 0.85rem;
  color: #6d6390;
 }
 .review-grades {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
 }
 .review-grade {
  margin: 0;
 }
 /* Оценки — плоские оттенки смысла, текст всегда тёмный для контраста. */
 .grade-fail {
  background: #fee2e2;
  color: #991b1b;
  box-shadow: none;
 }
 .grade-hard {
  background: #ffedd5;
  color: #9a3412;
  box-shadow: none;
 }
 .grade-good {
  background: #dcfce7;
  color: #166534;
  box-shadow: none;
 }
 .grade-easy {
  background: #dbeafe;
  color: #1e40af;
  box-shadow: none;
 }
 .review-grade:active {
  filter: brightness(0.95);
 }
@@ -1,6 +1,5 @@
-// Страница «Синхронизация»: токен + Скачать/Выгрузить.
+// Страница «Синхронизация»: токен + Скачать.
 // Скачивание: GET /download/{id} -> zstd -> проверка SQLite -> запись в OPFS.
 // Выгрузка: следующий шаг (POST /upload/stream/{id}).
 import {
  TOKEN_LENGTH,
@@ -11,7 +10,7 @@ import {
 } from './token.ts';
 import { fetchBackupBytes } from './sync.ts';
 import { decompressBackup } from './zstd.ts';
-import { hasDatabaseFile, writeDatabaseFile } from './opfs.ts';
+import { writeDatabaseFile } from './opfs.ts';
 export function renderSyncPage(root: HTMLElement): void {
  root.innerHTML = `
@@ -40,8 +39,7 @@ export function renderSyncPage(root: HTMLElement): void {
      </div>
      <div class="btn-row">
-        <button id="btn-download" class="btn" type="button" disabled>📥 Скачать</button>
+        <button id="btn-download" class="btn btn-primary" type="button" disabled>📥 Скачать</button>
        <button id="btn-upload" class="btn btn-primary" type="button" disabled>📤 Выгрузить</button>
      </div>
      <p id="status" class="status-bar" role="status">Введите токен из 24 символов</p>
@@ -52,7 +50,6 @@ export function renderSyncPage(root: HTMLElement): void {
  const tokenError = root.querySelector<HTMLElement>('#token-error')!;
  const tokenCounter = root.querySelector<HTMLElement>('#token-counter')!;
  const btnDownload = root.querySelector<HTMLButtonElement>('#btn-download')!;
  const btnUpload = root.querySelector<HTMLButtonElement>('#btn-upload')!;
  const statusEl = root.querySelector<HTMLElement>('#status')!;
  function setStatus(msg: string): void {
@@ -66,15 +63,7 @@ export function renderSyncPage(root: HTMLElement): void {
  function setBusy(busy: boolean): void {
    btnDownload.disabled = busy || !isValidToken(currentToken());
    btnUpload.disabled = true;
    tokenInput.disabled = busy;
    if (!busy) {
      void hasDatabaseFile().then((has) => {
        if (!tokenInput.disabled && isValidToken(currentToken())) {
          btnUpload.disabled = !has;
        }
      });
    }
  }
  function refreshUI(): void {
@@ -93,13 +82,6 @@ export function renderSyncPage(root: HTMLElement): void {
      tokenError.textContent = ok ? '' : 'Только латинские буквы и цифры';
    }
    btnDownload.disabled = !ok;
    if (ok) {
      void hasDatabaseFile().then((has) => {
        if (!tokenInput.disabled) btnUpload.disabled = !has;
      });
    } else {
      btnUpload.disabled = true;
    }
  }
  async function handleDownload(): Promise<void> {
@@ -132,7 +114,7 @@ export function renderSyncPage(root: HTMLElement): void {
    tokenInput.value = token;
    if (isValidToken(token)) {
      saveToken(token);
-      setStatus('Токен сохранён локально. Можно скачивать или выгружать.');
+      setStatus('Токен сохранён локально. Можно скачивать.');
    }
    refreshUI();
  });
@@ -141,26 +123,12 @@ export function renderSyncPage(root: HTMLElement): void {
    void handleDownload();
  });
  btnUpload.addEventListener('click', () => {
    const token = currentToken();
    if (!isValidToken(token)) return;
    saveToken(token);
    setStatus('Выгрузка — следующий шаг (POST /upload/stream/{id}).');
  });
  const saved = loadSavedToken();
  if (saved) {
    tokenInput.value = saved;
  }
  refreshUI();
  if (isValidToken(normalizeToken(saved))) {
-    void hasDatabaseFile().then((has) => {
+    setStatus('Токен восстановлен. Нажми «Скачать», чтобы получить базу.');
      setStatus(
        has
          ? 'Токен восстановлен, локальная база на месте.'
          : 'Токен восстановлен. Нажми «Скачать», чтобы получить базу.',
      );
      refreshUI();
    });
  }
 }
@@ -1,6 +1,5 @@
 // Сеть: скачивание сохранения с бэкенда.
 // GET https://learning.micialware.ru/download/{id} -> zstd-сжатый .sqlite (бинарь).
 // Выгрузка (POST /upload/stream/{id}) — в следующем шаге.
 export const API_BASE_URL = 'https://learning.micialware.ru';
@@ -1,5 +1,5 @@
 // Токен сохранения: ровно 24 символа, только латиница и цифры.
-// Это НЕ JWT — просто короткий идентификатор для download/upload .sqlite.
+// Просто короткий идентификатор для download .sqlite.
 export const TOKEN_LENGTH = 24;
		`@@ -1 +1 @@`
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#d9d2f0;border-radius:12px;outline:none}.token-input:focus{border-color:#7c3aed}.token-input.invalid{border-color:#dc2626;background:#fef2f2}.token-meta{display:flex;justify-content:space-between;align-items:baseline;gap:8px;min-height:1.4em}.token-error{color:#dc2626;font-size:.9rem}.token-counter{color:#6d6390;font-variant-numeric:tabular-nums;white-space:nowrap}.btn-row{display:flex;gap:12px}.btn{flex:1;padding:14px 12px;font-size:1rem;font-weight:600;border-radius:12px;border:2px solid #7c3aed;background:#fff;color:#7c3aed;cursor:pointer;touch-action:manipulation}.btn-primary{background:#7c3aed;color:#fff}.btn:disabled{opacity:.4;cursor:not-allowed}.btn:not(:disabled):active{transform:scale(.98)}.status-bar{margin:0;padding:10px 12px;border-radius:10px;background:#f4f1fa;color:#4c446b;font-size:.95rem;word-break:break-word}.status-bar[hidden]{display:none}.db-banner{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:10px;background:#fff7e6;color:#7a5b00;font-size:.85rem}.db-banner[hidden]{display:none}.db-banner-text{flex:1;min-width:0}.db-banner-link{flex:none;border:none;background:transparent;padding:4px;font:inherit;font-weight:700;color:#7c3aed;cursor:pointer;touch-action:manipulation}.db-banner-link[hidden]{display:none}.words-toolbar{display:flex;gap:8px}.words-search{flex:1;min-width:0;padding:12px;font-size:1rem;border:2px solid #d9d2f0;border-radius:12px;outline:none;background:#fff;color:inherit}.words-search:focus{border-color:#7c3aed}.words-group{flex:none;max-width:42%;padding:12px 8px;font-size:.95rem;font-weight:600;color:#4c446b;border:2px solid #d9d2f0;border-radius:12px;background:#fff;outline:none}.words-group:focus{border-color:#7c3aed}.words-list{display:flex;flex-direction:column}.word-row-wrap{border-bottom:1px solid #eee9fb}.word-row-wrap:last-child{border-bottom:none}.word-row{display:flex;align-items:baseline;gap:8px;width:100%;padding:11px 4px;border:none;background:transparent;font:inherit;color:inherit;text-align:left;cursor:pointer;touch-action:manipulation;border-radius:8px}.word-row:disabled{cursor:default}.word-row:not(:disabled):active{background:#f4f1fa}.word-row.open{background:#f4f1fa}.word-main{flex:1;min-width:0;overflow-wrap:break-word}.word-key{font-weight:700}.word-sep{color:#6d6390}.word-value{color:#4c446b}.word-tag{flex:none;max-width:38%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.8rem;color:#6d6390;text-align:right}.word-dot{flex:none;width:6px;height:6px;border-radius:50%;background:#7c3aedLine truncated				:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;color:#1e1b2e;background:#f4f1fa}*{box-sizing:border-box}body{margin:0;min-height:100dvh;display:flex;justify-content:center;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#app{width:100%;max-width:480px;padding:24px 16px 32px;display:flex;flex-direction:column;gap:16px}.app-header h1{margin:0;font-size:1.75rem;letter-spacing:.02em}.app-subtitle{margin:4px 0 0;color:#6d6390}.top-bar{display:flex;align-items:center;gap:12px}.burger-btn{width:44px;height:44px;border:2px solid #d9d2f0;border-radius:12px;background:#fff;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;touch-action:manipulation;flex:none}.burger-btn span{display:block;width:20px;height:2px;border-radius:2px;background:#4c446b}.burger-btn[aria-expanded=true]{border-color:#7c3aed}.top-bar-title h1{margin:0;font-size:1.4rem;line-height:1.2}.top-bar-title p{margin:0;font-size:.9rem;color:#6d6390}.top-bar-spacer{flex:1}.app-content{display:flex;flex-direction:column;gap:16px}.drawer-overlay{position:fixed;inset:0;background:#1e1b2e73;z-index:40}.drawer-overlay[hidden]{display:none}.drawer{position:fixed;top:0;left:0;bottom:0;width:min(300px,85vw);background:#fff;z-index:50;transform:translate(-105%);transition:transform .22s ease;display:flex;flex-direction:column;gap:8px;padding:20px 14px;box-shadow:8px 0 32px #1e1b2e2e}.drawer.open{transform:translate(0)}.drawer-header{padding:4px 8px 14px;border-bottom:1px solid #eee9fb;margin-bottom:8px}.drawer-logo{font-size:1.3rem;font-weight:800;color:#7c3aed}.drawer-subtitle{font-size:.9rem;color:#6d6390}.drawer-btn{border:none;background:transparent;text-align:left;font-size:1.05rem;font-weight:600;color:#1e1b2e;padding:13px 12px;border-radius:12px;cursor:pointer;touch-action:manipulation}.drawer-btn.active{background:#f1eafe;color:#6d28d9}.drawer-btn:active{background:#e9defc}body.drawer-open{overflow:hidden}.card{background:#fff;border-radius:16px;padding:20px 16px;box-shadow:0 8px 24px #7c3aed1f;display:flex;flex-direction:column;gap:12px}.card-title{margin:0;font-size:1.25rem}.card-hint{margin:0;color:#6d6390;font-size:.95rem}.field-label{font-weight:600;font-size:.95rem}.token-input{width:100%;padding:14px 12px;font-size:1.05rem;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em;border:2px solid #d9d2f0;border-radius:12px;outline:none}.token-input:focus{border-color:#7c3aed}.token-input.invalid{border-color:#dc2626;background:#fef2f2}.token-meta{display:flex;justify-content:space-between;align-items:baseline;gap:8px;min-height:1.4em}.token-error{color:#dc2626;font-size:.9rem}.token-counter{color:#6d6390;font-variant-numeric:tabular-nums;white-space:nowrap}.btn-row{display:flex;gap:12px}.btn{flex:1;padding:14px 12px;font-size:1rem;font-weight:600;border-radius:12px;border:2px solid #7c3aed;background:#fff;color:#7c3aed;cursor:pointer;touch-action:manipulation}.btn-primary{background:#7c3aed;color:#fff}.btn:disabled{opacity:.4;cursor:not-allowed}.btn:not(:disabled):active{transform:scale(.98)}.status-bar{margin:0;padding:10px 12px;border-radius:10px;background:#f4f1fa;color:#4c446b;font-size:.95rem;word-break:break-word}.status-bar[hidden]{display:none}.db-banner{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:10px;background:#fff7e6;color:#7a5b00;font-size:.85rem}.db-banner[hidden]{display:none}.db-banner-text{flex:1;min-width:0}.db-banner-link{flex:none;border:none;background:transparent;padding:4px;font:inherit;font-weight:700;color:#7c3aed;cursor:pointer;touch-action:manipulation}.db-banner-link[hidden]{display:none}.words-toolbar{display:flex;gap:8px}.words-search{flex:1;min-width:0;padding:12px;font-size:1rem;border:2px solid #d9d2f0;border-radius:12px;outline:none;background:#fff;color:inherit}.words-search:focus{border-color:#7c3aed}.words-group{flex:none;max-width:42%;padding:12px 8px;font-size:.95rem;font-weight:600;color:#4c446b;border:2px solid #d9d2f0;border-radius:12px;background:#fff;outline:none}.words-group:focus{border-color:#7c3aed}.words-list{display:flex;flex-direction:column}.word-row-wrap{border-bottom:1px solid #eee9fb}.word-row-wrap:last-child{border-bottom:none}.word-row{display:flex;align-items:baseline;gap:8px;width:100%;padding:11px 4px;border:none;background:transparent;font:inherit;color:inherit;text-align:left;cursor:pointer;touch-action:manipulation;border-radius:8px}.word-row:disabled{cursor:default}.word-row:not(:disabled):active{background:#f4f1fa}.word-row.open{background:#f4f1fa}.word-main{flex:1;min-width:0;overflow-wrap:break-word}.word-key{font-weight:700}.word-sep{color:#6d6390}.word-value{color:#4c446b}.word-tag{flex:none;max-width:38%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.8rem;color:#6d6390;text-align:right}.word-dot{flex:none;width:6px;height:6px;border-radius:50%;background:#7c3aedLine truncated