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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Search 249 indexed failure-recovery lessons from real AI agent debugging sessions. DCO, GitHub token, pip timeout, database locked, and more.">
<link rel="canonical" href="https://misakanet.org/search/">
<meta property="og:title" content="Search Failure Lessons — MisakaNet">
<meta property="og:description" content="Search 249 indexed failure-recovery lessons from real AI agent debugging sessions.">
<meta property="og:url" content="https://misakanet.org/search/">
<title>Search Verified Failure Lessons — MisakaNet</title>
<style>
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</style>
</head>
<body>
<div class="container">
<div class="topbar">
<div>
<a href="/" class="home-link" data-i18n="goHome">← Go to homepage</a>
<h1 data-i18n="heading">Search Verified Failure Lessons</h1>
<p class="subtitle" data-i18n="subtitle">Reviewed fixes from real agent debugging sessions. Not random chat logs.</p>
</div>
<div class="lang-switch" aria-label="Language">
<button type="button" data-lang="zh">中</button>
<button type="button" data-lang="en">EN</button>
</div>
</div>
<div class="search-box">
<input type="text" id="q" data-i18n-placeholder="placeholder" placeholder="Search lessons... (e.g., pip timeout, database locked, profinet)" autofocus>
</div>
<div class="stats" id="stats"></div>
<div id="results" class="loading">Loading lessons...</div>
<div id="feedback-summary" class="feedback-summary" hidden></div>
<div style="text-align:center; margin-top:24px; font-size:12px; color:var(--text-muted);">
Did a lesson help you? <a href="https://github.com/Ikalus1988/MisakaNet/issues/new?template=lesson-feedback.yml" style="color:#58a6ff;">Share feedback</a> (5 lines, anonymous OK)
</div>
</div>
<script>
const I18N = {
en: {
pageTitle: 'Search Verified Failure Lessons — MisakaNet',
heading: 'Search Verified Failure Lessons',
subtitle: 'Reviewed fixes from real agent debugging sessions. Not random chat logs.',
placeholder: 'Search lessons... (e.g., pip timeout, database locked, profinet)',
loading: 'Loading lessons...',
stats: '{count} searchable lessons · {total} total · zero-dep · GitHub-audited',
resultsHeader: 'Found {count} lessons for "{q}"',
resultsStats: '{count} searchable lessons · {total} total · static JSON · GitHub-audited',
noMatchPrefix: 'No exact match for',
noMatchSuffix: 'Try a broader term.',
installSkill: 'Install agent skill',
submitLesson: 'Submit a lesson',
readLesson: 'Read lesson',
collapse: 'Collapse',
openGitHub: 'Open on GitHub',
loadingPreview: 'Loading lesson preview...',
clipped: '... (open on GitHub for full lesson)',
noPreview: 'No preview body found. Open on GitHub for the full lesson.',
previewUnavailable: 'Preview unavailable. Use "Open on GitHub" for the full lesson.',
loadFailed: 'Failed to load lessons.',
goHome: 'Go to homepage',
feedbackIrrelevant: 'Irrelevant',
feedbackTooBasic: 'Too basic',
feedbackHelpful: 'Helpful',
feedbackRecorded: '{count} feedback recorded',
feedbackCopy: 'Copy feedback',
feedbackSubmit: 'Open GitHub issue',
badgeFatal: 'Fatal Pitfall',
badgeRuntime: 'Runtime Failure',
badgeSetup: 'Setup Fix',
badgeVerified: 'Verified',
githubAudited: 'GitHub-audited'
},
zh: {
pageTitle: '搜索已验证失败教训 — MisakaNet',
heading: '搜索已验证失败教训',
subtitle: '来自真实 AI Agent 调试会话的已审核修复，不是随机聊天记录。',
placeholder: '搜索 DCO、GitHub token、pip timeout、database locked...',
loading: '正在加载 lessons...',
stats: '{count} 条可搜索 lessons · {total} 条总计 · 零依赖 · GitHub 审核',
resultsHeader: '为”{q}”找到 {count} 条 lesson',
resultsStats: '{count} 条可搜索 lessons · {total} 条总计 · 静态 JSON · GitHub 审核',
noMatchPrefix: '没有精确匹配',
noMatchSuffix: '可以试试更宽泛的关键词。',
installSkill: '安装 agent skill',
submitLesson: '提交 lesson',
readLesson: '阅读 lesson',
collapse: '收起',
openGitHub: '在 GitHub 打开',
loadingPreview: '正在加载 lesson 预览...',
clipped: '...（完整 lesson 请在 GitHub 打开）',
noPreview: '没有可预览正文。请在 GitHub 打开完整 lesson。',
previewUnavailable: '预览不可用。请使用“在 GitHub 打开”查看完整 lesson。',
loadFailed: 'Lessons 加载失败。',
goHome: '回到首页',
feedbackIrrelevant: '无关',
feedbackTooBasic: '太基础',
feedbackHelpful: '有帮助',
feedbackRecorded: '已记录 {count} 条反馈',
feedbackCopy: '复制反馈',
feedbackSubmit: '提交到 GitHub',
badgeFatal: '致命踩坑',
badgeRuntime: '运行失败',
badgeSetup: '配置修复',
badgeVerified: '已验证',
githubAudited: 'GitHub 审核'
}
};
const LESSONS_URL = "../data/lessons.json";
const RAW_BASE = "https://raw.githubusercontent.com/Ikalus1988/MisakaNet/main/";
let _lessons = null;
let _lastResults = [];
const _previewCache = new Map();
let LANG = localStorage.getItem('misakanet-lang') || localStorage.getItem('misaka_lang') || (navigator.language.startsWith('zh') ? 'zh' : 'en');
function t(key, vars = {}) {
let value = (I18N[LANG] && I18N[LANG][key]) || I18N.en[key] || key;
Object.keys(vars).forEach(name => {
value = value.split('{' + name + '}').join(String(vars[name]));
});
return value;
}
function updateStats() {
if (!_lessons) return;
const searchable = _lessons.filter(isSearchable).length;
const total = _lessons.length;
document.getElementById('stats').textContent = t('stats', { count: searchable, total });
}
function setLang(lang) {
LANG = lang === 'zh' ? 'zh' : 'en';
localStorage.setItem('misakanet-lang', LANG);
document.documentElement.lang = LANG === 'zh' ? 'zh-CN' : 'en';
document.title = t('pageTitle');
document.querySelectorAll('[data-i18n]').forEach(el => {
el.textContent = t(el.dataset.i18n);
});
document.querySelectorAll('[data-i18n-placeholder]').forEach(el => {
el.placeholder = t(el.dataset.i18nPlaceholder);
});
document.querySelectorAll('[data-lang]').forEach(btn => {
btn.classList.toggle('active', btn.dataset.lang === LANG);
});
if (!_lessons) {
document.getElementById('results').textContent = t('loading');
return;
}
updateStats();
const q = document.getElementById('q').value.trim();
if (q) render(_lastResults, q);
}
function escapeHTML(value) {
return String(value || '').replace(/[&<>"']/g, ch => ({
'&': '&',
'<': '<',
'>': '>',
'"': '"',
"'": '''
}[ch]));
}
function getLessonUrl(lesson) {
const raw = lesson && (lesson.url || lesson.path || '');
if (!raw) return 'https://github.com/Ikalus1988/MisakaNet/tree/main/lessons';
if (/^https?:\/\//i.test(raw)) return raw;
return 'https://github.com/Ikalus1988/MisakaNet/blob/main/' + encodeURI(String(raw).replace(/^\/+/, ''));
}
function getLessonPath(lesson) {
const raw = lesson && (lesson.url || lesson.path || '');
if (!raw) return '';
if (!/^https?:\/\//i.test(raw)) return String(raw).replace(/^\/+/, '');
try {
const url = new URL(raw);
let match = url.pathname.match(/\/Ikalus1988\/MisakaNet\/(?:blob|raw)\/main\/(.+)$/);
if (!match) match = url.pathname.match(/\/Ikalus1988\/MisakaNet\/main\/(.+)$/);
return match ? decodeURIComponent(match[1]) : '';
} catch (e) {
return '';
}
}
function getRawLessonUrl(lesson) {
const path = getLessonPath(lesson);
return path ? RAW_BASE + encodeURI(path) : getLessonUrl(lesson);
}
function stripFrontmatter(markdown) {
return String(markdown || '')
.replace(/^\uFEFF?---\s*\r?\n[\s\S]*?\r?\n---\s*\r?\n?/, '')
.trim();
}
function isSearchable(l) {
const text = ((l.title||'') + ' ' + (l.summary||'')).toLowerCase();
const junk = ['context compaction','earlier turns','poc record','mojibake','bot reply'];
return !junk.some(k => text.includes(k)) && (l.title||'').trim();
}
function search(q) {
if (!q || !_lessons) return [];
const tokens = q.toLowerCase().split(/\s+/).filter(Boolean);
return _lessons.filter(isSearchable).map(l => {
const title = (l.title||'').toLowerCase();
const domain = (l.domain||'').toLowerCase();
const summary = (l.summary||'').toLowerCase();
const tags = (l.tags||[]).join(' ').toLowerCase();
const full = title + ' ' + domain + ' ' + summary + ' ' + tags;
let score = tokens.filter(t => full.includes(t)).length / tokens.length;
if (tokens.some(t => title.includes(t))) score += 0.3;
if (tokens.some(t => tags.includes(t))) score += 0.15;
if (tokens.some(t => domain.includes(t))) score += 0.1;
return { ...l, score };
}).filter(l => l.score > 0).sort((a,b) => b.score - a.score).slice(0, 20);
}
function updateUrl(q, lessonId) {
const url = new URL(location);
if (q) url.searchParams.set('q', q);
else url.searchParams.delete('q');
if (lessonId) url.searchParams.set('lesson', lessonId);
else url.searchParams.delete('lesson');
history.replaceState(null, '', url);
}
function getTakeaway(r) {
// First complete sentence from summary, fallback to title
const s = r.summary || '';
const match = s.match(/^[^.!?。！？]+[.!?。！？]/);
const takeaway = match ? match[0].trim() : s.slice(0, 120);
return takeaway || r.title || '';
}
function inferBadge(r) {
const text = ((r.title||'') + ' ' + (r.summary||'') + ' ' + (r.tags||[]).join(' ')).toLowerCase();
if (/delete|drop|clear|overwrite|corrupt|destroy|清空|覆盖|丢数据/.test(text)) return { key: 'badgeFatal', cls: 'badge-fatal' };
if (/timeout|locked|rate.limit|429|403|oom|crash|崩溃|超时|锁定/.test(text)) return { key: 'badgeRuntime', cls: 'badge-runtime' };
if (/setup|config|install|deploy|初始化|配置|安装/.test(text)) return { key: 'badgeSetup', cls: 'badge-setup' };
return { key: 'badgeVerified', cls: 'badge-status' };
}
// ── Evidence levels (#786) — see docs/trust-semantics.md ──
const EVIDENCE_LABELS = {
E0: 'E0 — contributor self-reported',
E1: 'E1 — maintainer reviewed',
E2: 'E2 — local smoke reproduced',
E3: 'E3 — CI / sandbox verified recovery',
E4: 'E4 — reused by another contributor or agent',
};
// Missing or unknown values read as E0: evidence is never assumed.
function evidenceInfo(level) {
const key = String(level || '').trim().toUpperCase();
const normalized = EVIDENCE_LABELS[key] ? key : 'E0';
return { level: normalized, label: EVIDENCE_LABELS[normalized] };
}
// ── Client-side confidence / result_type classification ──
const ACTIONABLE_RE = /fix|solution|workaround|step\s*\d|verify|verification|error.code|exit.code|```|pip install|git |curl |chmod|mkdir|export /i;
const COMMON_RE = /github.com.*443|connectivity|checklist|basic|intro|overview|getting.started|quick.start|faq|troubleshooting.general|network.*basics|git.*basics|config.*general/i;
const ERROR_CODE_RE = /GH\d{3,4}|E\d{3,5}|INTP-\d+|KL-\d+|exit\s+(?:code|status)\s+\d+|HTTP\s+\d{3}/i;
function classifyResult(r, score) {
const title = (r.title || '').toLowerCase();
const summary = (r.summary || '').toLowerCase();
const tags = (r.tags || []).join(' ').toLowerCase();
const content = title + ' ' + summary + ' ' + tags;
const hasErrorCode = ERROR_CODE_RE.test(r.title + ' ' + (r.summary || '').slice(0, 300));
const hasActionable = ACTIONABLE_RE.test(r.summary || '');
const hasVerification = /## verification|## verify/i.test(r.summary || '');
const isCommon = COMMON_RE.test(title + ' ' + summary.slice(0, 300));
const highScore = score >= 0.6;
const lowScore = score < 0.35;
// Confidence
let confidence = 'medium';
if ((hasErrorCode && score > 0.4) || (hasVerification && hasActionable && highScore)) {
confidence = 'high';
} else if ((isCommon && lowScore) || (score < 0.25 && !hasActionable)) {
confidence = 'low';
}
// Result type
let resultType = 'related';
if (confidence === 'low') resultType = 'common';
else if (confidence === 'high' || (confidence === 'medium' && hasActionable)) resultType = 'actionable';
return { confidence, resultType };
}
// ── Feedback system (localStorage MVP) ──
const FEEDBACK_KEY = 'misakanet-search-feedback';
function getFeedbackStore() {
try { return JSON.parse(localStorage.getItem(FEEDBACK_KEY) || '[]'); } catch { return []; }
}
function saveFeedback(entry) {
const store = getFeedbackStore();
store.push(entry);
localStorage.setItem(FEEDBACK_KEY, JSON.stringify(store));
updateFeedbackSummary();
}
function getFeedbackForLesson(lessonId, query) {
return getFeedbackStore().find(f => f.lesson_id === lessonId && f.query === query);
}
const FEEDBACK_API = window.location.origin + '/api/feedback';
const SEARCH_SIGNAL_API = window.location.origin + '/api/search-signal';
// Unsolved failure map (#788). Only searches that found nothing useful are
// reported; the backend derives a task-family label and drops the query, so no
// raw query text is ever stored. Fire-and-forget, deduped per query per session.
const _signalledQueries = new Set();
function reportUnsolvedSearch(q, results) {
if (!q) return;
const topScore = results.length ? (results[0].score || 0) : 0;
if (results.length && topScore >= 0.35) return; // solved — nothing to report
const key = q.toLowerCase().trim();
if (_signalledQueries.has(key)) return;
_signalledQueries.add(key);
fetch(SEARCH_SIGNAL_API, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ query: q, result_count: results.length, top_score: topScore }),
}).catch(() => {}); // silent fail — insights are best-effort
}
function submitFeedback(lessonId, query, feedback) {
const existing = getFeedbackForLesson(lessonId, query);
if (existing) return;
const entry = {
query,
lesson_id: lessonId,
feedback,
ts: new Date().toISOString(),
};
saveFeedback(entry);
restoreFeedbackState(lessonId, query);
// POST to backend (fire-and-forget, localStorage is primary)
fetch(FEEDBACK_API, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify(entry),
}).catch(() => {}); // silent fail, localStorage is fallback
}
function restoreFeedbackState(lessonId, query) {
const bar = document.querySelector('[data-feedback-id="' + lessonId + '"]');
if (!bar) return;
const existing = getFeedbackForLesson(lessonId, query);
if (!existing) return;
bar.querySelectorAll('.feedback-btn').forEach(btn => {
if (btn.dataset.type === existing.feedback) btn.classList.add('selected');
else btn.style.display = 'none';
});
}
function updateFeedbackSummary() {
const el = document.getElementById('feedback-summary');
if (!el) return;
const count = getFeedbackStore().length;
if (count === 0) { el.hidden = true; return; }
el.hidden = false;
el.innerHTML = t('feedbackRecorded', { count }) +
' · <a href="#" onclick="copyFeedback();return false">' + t('feedbackCopy') + '</a>' +
' · <a href="#" onclick="openFeedbackIssue();return false">' + t('feedbackSubmit') + '</a>';
}
// Event delegation for feedback buttons (no inline onclick)
document.getElementById('results').addEventListener('click', function(e) {
const btn = e.target.closest('.feedback-btn');
if (!btn) return;
const bar = btn.closest('.feedback-bar');
if (!bar) return;
const card = btn.closest('.result');
const lessonId = bar.dataset.feedbackId;
const query = document.getElementById('q').value.trim();
if (!lessonId || !query) return;
submitFeedback(lessonId, query, btn.dataset.type);
});
function restoreAllFeedbackStates() {
const query = document.getElementById('q').value.trim();
if (!query) return;
document.querySelectorAll('.feedback-bar').forEach(bar => {
restoreFeedbackState(bar.dataset.feedbackId, query);
});
}
function copyFeedback() {
const data = JSON.stringify(getFeedbackStore(), null, 2);
navigator.clipboard.writeText(data).then(() => alert('Feedback copied to clipboard.'));
}
function openFeedbackIssue() {
const store = getFeedbackStore();
const body = '## Search Feedback\n\n```json\n' + JSON.stringify(store, null, 2) + '\n```\n\n_Submitted via misakanet.org/search/_';
const url = 'https://github.com/Ikalus1988/MisakaNet/issues/new?title=' +
encodeURIComponent('[Search] Feedback report') +
'&body=' + encodeURIComponent(body) +
'&labels=feedback';
window.open(url, '_blank');
}
function render(results, q) {
const el = document.getElementById('results');
_lastResults = results;
reportUnsolvedSearch(q, results);
if (!results.length) {
el.innerHTML = '<div class="fallback">' +
'<div style="margin-bottom:8px;">' + t('noMatchPrefix') + ' "' + escapeHTML(q) + '". ' + t('noMatchSuffix') + '</div>' +
'<div style="font-size:13px;margin-bottom:12px;max-width:480px;margin-left:auto;margin-right:auto;">' +
'Try using fewer keywords, checking spelling, or browsing by <a href="/topics/" style="color:#58a6ff;">topic</a>. ' +
'Popular queries: <code style="font-size:11px;">pip timeout</code>, <code style="font-size:11px;">database locked</code>, <code style="font-size:11px;">DCO sign-off</code>, <code style="font-size:11px;">git rebase</code>.' +
'</div>' +
'<div style="font-size:12px;"><a href="/skill.md">' + t('installSkill') + '</a> · <a href="https://github.com/Ikalus1988/MisakaNet">' + t('submitLesson') + '</a> · <a href="https://github.com/Ikalus1988/MisakaNet/issues/new?template=lesson-request.yml">Request a lesson</a></div></div>';
return;
}
const searchable = _lessons ? _lessons.filter(isSearchable).length : 0;
const total = _lessons ? _lessons.length : 0;
// Classify and group results
const classified = results.map((r, index) => {
const { confidence, resultType } = classifyResult(r, r.score || 0);
return { ...r, _index: index, _confidence: confidence, _resultType: resultType };
});
const topFixes = classified.filter(r => r._resultType === 'actionable');
const commonRefs = classified.filter(r => r._resultType === 'common');
const relatedRefs = classified.filter(r => r._resultType === 'related');
function renderCard(r) {
const takeaway = escapeHTML(getTakeaway(r));
const title = escapeHTML(r.title);
const summary = escapeHTML((r.summary||'').slice(0,200));
const domain = escapeHTML(r.domain||'general');
const tags = (r.tags||[]).slice(0,4).map(escapeHTML).join(', ');
const url = getLessonUrl(r);
const id = escapeHTML(r.id || '');
const badge = inferBadge(r);
const confBadge = r._confidence === 'high' ? 'badge-high' : r._confidence === 'low' ? 'badge-low' : 'badge-medium';
const ev = evidenceInfo(r.evidence_level);
const showTitle = takeaway !== title;
return '<div class="result" tabindex="0" data-index="' + r._index + '" data-id="' + id + '">' +
'<div class="result-meta">' +
'<span class="badge ' + badge.cls + '">' + t(badge.key) + '</span>' +
'<span class="badge badge-domain">' + domain + '</span>' +
'<span class="badge ' + confBadge + '">' + r._confidence + '</span>' +
'<span class="badge badge-evidence" title="' + escapeHTML(ev.label) + '">' + ev.level + '</span>' +
'</div>' +
'<div class="result-title">' + takeaway + '</div>' +
(showTitle ? '<div class="result-id">' + id + '</div>' : '') +
'<div class="result-summary">' + summary + '</div>' +
(tags ? '<div class="result-tags">' + tags + '</div>' : '') +
'<div class="result-actions">' +
'<button class="btn-primary" type="button" data-action="preview">' + t('readLesson') + '</button>' +
'<a class="btn-secondary" href="' + escapeHTML(url) + '" target="_blank" rel="noopener">' + t('openGitHub') + '</a>' +
'</div>' +
'<div class="feedback-bar" data-feedback-id="' + id + '">' +
'<button class="feedback-btn" data-type="irrelevant">' + t('feedbackIrrelevant') + '</button>' +
'<button class="feedback-btn" data-type="too_basic">' + t('feedbackTooBasic') + '</button>' +
'<button class="feedback-btn" data-type="helpful">' + t('feedbackHelpful') + '</button>' +
'</div>' +
'<div class="lesson-preview" hidden></div>' +
'</div>';
}
let html = '<div class="results-header">' + t('resultsHeader', { count: results.length, q: escapeHTML(q) }) + '</div>';
html += '<div class="stats">' + t('resultsStats', { count: searchable, total }) + '</div>';
// Top fixes
if (topFixes.length) {
html += '<div class="section-label">Top fixes</div>';
html += topFixes.map(renderCard).join('');
}
// Related (if no top fixes, show related as primary)
if (!topFixes.length && relatedRefs.length) {
html += '<div class="section-label">Results</div>';
html += relatedRefs.map(renderCard).join('');
} else if (relatedRefs.length) {
html += '<div class="section-label">Related</div>';
html += relatedRefs.map(renderCard).join('');
}
// Common references (folded)
if (commonRefs.length) {
html += '<button class="fold-toggle" type="button" onclick="this.classList.toggle(\'open\');this.nextElementSibling.hidden=!this.nextElementSibling.hidden">' +
'<span class="arrow">▸</span> Common references (' + commonRefs.length + ')' +
'</button>';
html += '<div hidden>' + commonRefs.map(renderCard).join('') + '</div>';
}
el.innerHTML = html;
restoreAllFeedbackStates();
}
function renderMarkdown(text) {
// Minimal markdown renderer: h2, h3, code blocks, inline code, paragraphs
let html = escapeHTML(text);
// Code blocks: ```...```
html = html.replace(/```(\w*)\n([\s\S]*?)```/g, '<pre><code>$2</code></pre>');
// Inline code: `...`
html = html.replace(/`([^`\n]+)`/g, '<code>$1</code>');
// H2: ## ...
html = html.replace(/^## (.+)$/gm, '<h2>$1</h2>');
// H3: ### ...
html = html.replace(/^### (.+)$/gm, '<h3>$1</h3>');
// Paragraphs: double newline
html = html.replace(/\n\n/g, '</p><p>');
// Single newline within paragraphs
html = html.replace(/\n/g, '<br>');
return '<p>' + html + '</p>';
}
async function togglePreview(index) {
const lesson = _lastResults[index];
const card = document.querySelector('.result[data-index="' + index + '"]');
const panel = card && card.querySelector('.lesson-preview');
if (!lesson || !panel) return;
// Auto-collapse: close any other open preview first
const openPanels = document.querySelectorAll('.lesson-preview:not([hidden])');
openPanels.forEach(p => {
if (p !== panel) {
p.hidden = true;
const otherBtn = p.closest('.result').querySelector('[data-action="preview"]');
if (otherBtn) otherBtn.textContent = t('readLesson');
}
});
if (panel.dataset.loaded === 'true') {
panel.hidden = !panel.hidden;
const btn = card.querySelector('[data-action="preview"]');
if (btn) btn.textContent = panel.hidden ? t('readLesson') : t('collapse');
updateUrl(document.getElementById('q').value.trim(), panel.hidden ? null : (lesson.id || ''));
return;
}
panel.hidden = false;
panel.innerHTML = '<div class="preview-status">' + t('loadingPreview') + '</div>';
const btn = card.querySelector('[data-action="preview"]');
if (btn) btn.textContent = t('collapse');
try {
// Use pre-generated preview from lessons.json (no remote fetch)
const body = lesson.preview || '';
const clipped = body.length > 2400 ? body.slice(0, 2400) + '\n\n' + t('clipped') : body;
panel.dataset.loaded = 'true';
panel.innerHTML = renderMarkdown(clipped || t('noPreview'));
updateUrl(document.getElementById('q').value.trim(), lesson.id || '');
} catch (e) {
panel.innerHTML = '<div class="preview-status">' + t('previewUnavailable') + '</div>';
}
}
function runSearch(q) {
const results = search(q);
render(results, q);
updateUrl(q);
return results;
}
async function init() {
try {
const r = await fetch(LESSONS_URL);
if (!r.ok) throw new Error(r.status);
_lessons = await r.json();
updateStats();
document.getElementById('results').innerHTML = '';
const params = new URLSearchParams(location.search);
const q = params.get('q');
const lessonId = params.get('lesson');
if (q) {
document.getElementById('q').value = q;
const results = search(q);
render(results, q);
// Auto-expand matching lesson
if (lessonId && results.length) {
const idx = results.findIndex(r => r.id === lessonId);
if (idx >= 0) setTimeout(() => togglePreview(idx), 300);
}
}
} catch(e) {
document.getElementById('results').innerHTML = '<div class="fallback">' + t('loadFailed') + ' <a href="/">' + t('goHome') + '</a></div>';
}
}
document.querySelectorAll('[data-lang]').forEach(btn => {
btn.addEventListener('click', () => setLang(btn.dataset.lang));
});
document.getElementById('q').addEventListener('input', function() {
const q = this.value.trim();
if (!q) { _lastResults = []; document.getElementById('results').innerHTML = ''; updateUrl(''); return; }
runSearch(q);
});
document.getElementById('q').addEventListener('keydown', function(event) {
if (event.key !== 'Enter') return;
const q = this.value.trim();
if (!q) return;
event.preventDefault();
const results = runSearch(q);
if (results.length) togglePreview(0);
});
document.getElementById('results').addEventListener('click', function(event) {
if (event.target.closest('a')) return;
if (event.target.closest('.lesson-preview')) return;
const card = event.target.closest('.result');
if (!card) return;
togglePreview(Number(card.dataset.index));
});
document.getElementById('results').addEventListener('keydown', function(event) {
if (event.target.closest('a,button')) return;
if (event.key !== 'Enter' && event.key !== ' ') return;
const card = event.target.closest('.result');
if (!card) return;
event.preventDefault();
togglePreview(Number(card.dataset.index));
});
setLang(LANG);
init();
updateFeedbackSummary();
</script>
</body>
</html>