feat(web): add bilingual UI and favorite experience

This commit is contained in:
Christian Johannesen 2026-10-18 17:21:35 +02:00
parent 215d943127
commit 3f1223afc3
9 changed files with 79 additions and 41 deletions

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@ -1,6 +1,6 @@
# Tech Library
Tech Library is a modular, source-backed reference for modern web, app, and systems development. The Danish PWA serves layered English technical entries for readers at every experience level. Official-source monitoring proposes changes; a human editor always reviews them before publication.
Tech Library is a modular, source-backed reference for modern web, app, and systems development. English entries are the canonical source texts; Danish and future languages are revision-bound translations with explicit English fallback. Official-source monitoring proposes changes; a human editor always reviews them before publication.
## Included
@ -8,6 +8,8 @@ Tech Library is a modular, source-backed reference for modern web, app, and syst
- faceted browsing and SQLite FTS5 search
- immutable revisions, publication pointers, rollback, and claim-level provenance
- integrated editorial workspace with secure session and CSRF protection
- Danish/English UI and content selection without translating source code or established technical terms
- simple reader registration/login with private topic favorites
- idempotent monitoring of official sources with a daily scheduler and manual trigger
- installable React/Vite PWA, Fastify API, SQLite/Drizzle data layer, and independent worker
- Docker Compose deployment, health checks, persistent data, backup and restore guidance

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@ -2,10 +2,12 @@ import { useDeferredValue, useState } from 'react';
import { useQuery } from '@tanstack/react-query';
import { ArrowUpRight, Search, SlidersHorizontal, X } from 'lucide-react';
import { Link } from 'react-router-dom';
import { api } from '../../lib/api';
import { api, userApi } from '../../lib/api';
import { useUiStore } from '../../store/ui';
import { useText } from '../../store/preferences';
export function LibraryPage() {
export function LibraryPage({ favoritesOnly = false }: { favoritesOnly?: boolean }) {
const { language, t } = useText();
const [query, setQuery] = useState('');
const search = useDeferredValue(query);
const { domain, type, setDomain, setType, clear } = useUiStore();
@ -13,35 +15,38 @@ export function LibraryPage() {
if (search) params.set('q', search);
if (domain) params.set('domain', domain);
if (type) params.set('type', type);
const topics = useQuery({ queryKey: ['topics', search, domain, type], queryFn: () => api.topics(params) });
params.set('lang', language);
const topics = useQuery({ queryKey: ['topics', language, search, domain, type], queryFn: () => api.topics(params), enabled: !favoritesOnly });
const favorites = useQuery({ queryKey: ['favorites', language], queryFn: () => userApi.favorites(language), enabled: favoritesOnly });
const facets = useQuery({ queryKey: ['facets'], queryFn: api.facets });
const items = favoritesOnly ? (favorites.data ?? []) : (topics.data?.items ?? []); const total = favoritesOnly ? items.length : (topics.data?.total ?? 0); const loading = favoritesOnly ? favorites.isLoading : topics.isLoading; const failed = favoritesOnly ? favorites.isError : topics.isError;
return <>
<section className="hero">
<div className="eyebrow"><span></span>Et levende teknisk opslagsværk</div>
<h1>Forstå teknologien.<br/><em>Se hele sammenhængen.</em></h1>
<p>Kurateret viden om moderne web-, app- og systemudvikling — fra første begreb til arkitekturbeslutning. Hvert udsagn føres tilbage til sin kilde.</p>
<label className="searchbox"><Search aria-hidden="true"/><span className="sr-only">Søg i biblioteket</span><input value={query} onChange={(event) => setQuery(event.target.value)} placeholder="Søg efter React, databaser, sikkerhed…"/><kbd>⌘ K</kbd></label>
<div className="hero-meta"><span>{topics.data?.total ?? '—'} kuraterede emner</span><span>•</span><span>Officielle primærkilder</span><span>•</span><span>Løbende verificeret</span></div>
<div className="eyebrow"><span></span>{t.sourceLibrary}</div>
<h1>{favoritesOnly ? t.favorites : t.headline}<br/><em>{favoritesOnly ? '' : t.headlineAccent}</em></h1>
<p>{t.intro}</p>
<label className="searchbox"><Search aria-hidden="true"/><span className="sr-only">Search</span><input value={query} onChange={(event) => setQuery(event.target.value)} placeholder={t.search}/><kbd>⌘ K</kbd></label>
<div className="hero-meta"><span>{total || '—'} {t.curated}</span><span>•</span><span>{t.official}</span><span>•</span><span>{t.verified}</span></div>
</section>
<section className="library-layout">
<aside className="filters" aria-label="Filtre">
<div className="filter-title"><span><SlidersHorizontal size={16}/>Filtrér</span>{(domain || type) && <button onClick={clear}><X size={14}/>Nulstil</button>}</div>
<FilterGroup title="Fagområde" value={domain} items={facets.data?.domains ?? []} onChange={setDomain}/>
<FilterGroup title="Type" value={type} items={facets.data?.types ?? []} onChange={setType}/>
<div className="filter-title"><span><SlidersHorizontal size={16}/>{t.filters}</span>{(domain || type) && <button onClick={clear}><X size={14}/>{t.reset}</button>}</div>
<FilterGroup title={t.domain} value={domain} items={facets.data?.domains ?? []} onChange={setDomain}/>
<FilterGroup title={t.type} value={type} items={facets.data?.types ?? []} onChange={setType}/>
</aside>
<div className="catalog">
<div className="catalog-header"><div><p className="kicker">Biblioteket</p><h2>{domain || 'Alle emner'}</h2></div><span>{topics.data?.total ?? 0} resultater</span></div>
{topics.isLoading && <div className="state-card">Henter biblioteket…</div>}
{topics.isError && <div className="state-card error">Biblioteket kunne ikke hentes. Kontrollér forbindelsen og prøv igen.</div>}
<div className="topic-grid">{topics.data?.items.map((topic, index) => <Link className="topic-card" to={`/emne/${topic.slug}`} key={topic.id} style={{ '--delay': `${Math.min(index, 12) * 25}ms` } as React.CSSProperties}>
<div className="catalog-header"><div><p className="kicker">{t.library}</p><h2>{favoritesOnly ? t.favorites : domain || t.allTopics}</h2></div><span>{total} {t.results}</span></div>
{loading && <div className="state-card">{t.loading}</div>}
{failed && <div className="state-card error">Library unavailable.</div>}
<div className="topic-grid">{items.map((topic, index) => <Link className="topic-card" to={`/emne/${topic.slug}`} key={topic.id} style={{ '--delay': `${Math.min(index, 12) * 25}ms` } as React.CSSProperties}>
<div className="card-top"><span className="type-badge">{labelType(topic.type)}</span><ArrowUpRight size={18}/></div>
<h3>{topic.title}</h3><p>{topic.summary}</p>
<div className="tag-row">{topic.domains.map((value) => <span key={value}>{value}</span>)}</div>
<div className="verified">Verificeret {new Date(topic.verifiedAt).toLocaleDateString('da-DK')}</div>
</Link>)}</div>
{topics.data?.items.length === 0 && <div className="state-card">Ingen emner matcher din søgning.</div>}
{items.length === 0 && !loading && <div className="state-card">{favoritesOnly ? t.noFavorites : t.noResults}</div>}
</div>
</section>
</>;

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@ -1,26 +1,29 @@
import * as Tabs from '@radix-ui/react-tabs';
import { useQuery } from '@tanstack/react-query';
import { ArrowLeft, CheckCircle2, ExternalLink, GitBranch, Shield, Sparkles } from 'lucide-react';
import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
import { ArrowLeft, CheckCircle2, ExternalLink, GitBranch, Heart, Shield, Sparkles } from 'lucide-react';
import { Link, useParams } from 'react-router-dom';
import { api } from '../../lib/api';
import { api, userApi } from '../../lib/api';
import { useText } from '../../store/preferences';
export function TopicPage() {
const { slug = '' } = useParams();
const { data: topic, isLoading, isError } = useQuery({ queryKey: ['topic', slug], queryFn: () => api.topic(slug) });
const { language, t } = useText(); const client = useQueryClient(); const session = useQuery({ queryKey: ['user-session'], queryFn: userApi.me, retry: false });
const { data: topic, isLoading, isError } = useQuery({ queryKey: ['topic', slug, language], queryFn: () => api.topic(slug, language) });
const favorite = useMutation({ mutationFn: () => userApi.setFavorite(slug, !topic?.isFavorite, session.data!.csrfToken), onSuccess: () => { client.invalidateQueries({ queryKey: ['topic', slug] }); client.invalidateQueries({ queryKey: ['favorites'] }); client.invalidateQueries({ queryKey: ['topics'] }); } });
if (isLoading) return <div className="page-state">Henter emne…</div>;
if (isError || !topic) return <div className="page-state">Emnet blev ikke fundet. <Link to="/">Tilbage til biblioteket</Link></div>;
const content = topic.content;
return <article className="topic-page">
<Link className="back-link" to="/"><ArrowLeft size={16}/>Bibliotek</Link>
<Link className="back-link" to="/"><ArrowLeft size={16}/>{t.library}</Link>
<header className="topic-hero">
<div><div className="eyebrow"><span></span>{topic.domains.join(' · ')}</div><h1>{topic.title}</h1><p>{topic.summary}</p></div>
<div><div className="eyebrow"><span></span>{topic.domains.join(' · ')}</div><h1>{topic.title}</h1><p>{topic.summary}</p>{session.data ? <button className={`favorite-button ${topic.isFavorite ? 'active' : ''}`} onClick={() => favorite.mutate()}><Heart/>{topic.isFavorite ? t.unfavorite : t.favorite}</button> : <p className="login-hint">{t.loginHint}</p>}</div>
<dl><div><dt>Type</dt><dd>{topic.type}</dd></div><div><dt>Version</dt><dd>{topic.currentVersion ?? 'Living standard'}</dd></div><div><dt>Revision</dt><dd>#{topic.revisionNumber}</dd></div><div><dt>Verificeret</dt><dd>{new Date(topic.verifiedAt).toLocaleDateString('da-DK')}</dd></div></dl>
</header>
<Tabs.Root defaultValue="overview" className="topic-tabs">
<Tabs.List aria-label="Indholdsniveau"><Tabs.Trigger value="overview">Overblik</Tabs.Trigger><Tabs.Trigger value="deep">Fordybelse</Tabs.Trigger><Tabs.Trigger value="sources">Kilder <span>{topic.sources.length}</span></Tabs.Trigger></Tabs.List>
<Tabs.List aria-label="Content level"><Tabs.Trigger value="overview">{t.overview}</Tabs.Trigger><Tabs.Trigger value="deep">{t.depth}</Tabs.Trigger><Tabs.Trigger value="sources">{t.sources} <span>{topic.sources.length}</span></Tabs.Trigger></Tabs.List>
<Tabs.Content value="overview" className="prose-grid">
<section className="prose"><h2>What is {topic.title}?</h2><p className="lead">{content.introduction}</p><h2>Core concepts</h2><BulletList values={content.concepts}/><h2>Typical use cases</h2><BulletList values={content.useCases}/></section>
<aside><InfoCard icon={<Sparkles/>} title="Strengths" values={content.benefits}/><InfoCard icon={<Shield/>} title="Considerations" values={content.limitations}/></aside>
<section className="prose"><h2>{language === 'da' ? `Hvad er ${topic.title}?` : `What is ${topic.title}?`}</h2><p className="lead">{content.introduction}</p><h2>{language === 'da' ? 'Centrale begreber' : 'Core concepts'}</h2><BulletList values={content.concepts}/><h2>{language === 'da' ? 'Typiske anvendelser' : 'Typical use cases'}</h2><BulletList values={content.useCases}/></section>
<aside><InfoCard icon={<Sparkles/>} title={language === 'da' ? 'Styrker' : 'Strengths'} values={content.benefits}/><InfoCard icon={<Shield/>} title={language === 'da' ? 'Overvejelser' : 'Considerations'} values={content.limitations}/></aside>
</Tabs.Content>
<Tabs.Content value="deep" className="prose"><h2>Compatibility</h2><p>{content.compatibility}</p><h2>Requirements</h2><BulletList values={content.requirements}/><h2>When not to use it</h2><BulletList values={content.avoidWhen}/><h2>Security notes</h2><BulletList values={content.securityNotes}/>{content.examples.map((example) => <div key={example.title}><h2>{example.title}</h2><pre><code>{example.code}</code></pre></div>)}</Tabs.Content>
<Tabs.Content value="sources" className="sources"><div className="source-intro"><GitBranch/><div><h2>Provenance</h2><p>Every source is attached to this exact revision and records what it supports.</p></div></div>{topic.sources.map((source) => <a key={source.id} href={source.url} target="_blank" rel="noreferrer" className="source-card"><div><span>{source.type.replace('_', ' ')}</span><h3>{source.title}</h3><p>{source.publisher} · verified {new Date(source.verifiedAt).toLocaleDateString('da-DK')}</p>{source.claims.map((claim) => <small key={claim}><CheckCircle2 size={13}/>{claim}</small>)}</div><ExternalLink/></a>)}</Tabs.Content>

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@ -1,4 +1,4 @@
import type { Paginated, TopicDetail, TopicListItem, TopicRevisionInput } from '@tech-library/contracts';
import type { Language, Paginated, TopicDetail, TopicListItem, TopicRevisionInput } from '@tech-library/contracts';
const json = async <T>(pending: Response | Promise<Response>): Promise<T> => {
const response = await pending;
@ -7,8 +7,8 @@ const json = async <T>(pending: Response | Promise<Response>): Promise<T> => {
};
export const api = {
topics: (params: URLSearchParams) => json<Paginated<TopicListItem>>(fetch(`/api/v1/topics?${params}`)),
topic: (slug: string) => json<TopicDetail>(fetch(`/api/v1/topics/${slug}`)),
topics: (params: URLSearchParams) => json<Paginated<TopicListItem>>(fetch(`/api/v1/topics?${params}`, { credentials: 'include' })),
topic: (slug: string, language: Language) => json<TopicDetail>(fetch(`/api/v1/topics/${slug}?lang=${language}`, { credentials: 'include' })),
revisions: (slug: string) => json<Array<{ id: string; number: number; status: string; changeNote: string; createdAt: string; active: number }>>(fetch(`/api/v1/topics/${slug}/revisions`)),
facets: () => json<{ domains: Array<{ value: string; count: number }>; types: Array<{ value: string; count: number }> }>(fetch('/api/v1/facets')),
login: (username: string, password: string) => json<{ csrfToken: string }>(fetch('/api/v1/admin/login', { method: 'POST', headers: { 'content-type': 'application/json' }, credentials: 'include', body: JSON.stringify({ username, password }) })),
@ -17,3 +17,11 @@ export const api = {
mutate: (path: string, csrfToken: string, body?: unknown) => json<Record<string, unknown>>(fetch(`/api/v1/admin${path}`, { method: 'POST', credentials: 'include', headers: { 'content-type': 'application/json', 'x-csrf-token': csrfToken }, body: body === undefined ? undefined : JSON.stringify(body) })),
createDraft: (csrfToken: string, input: TopicRevisionInput) => api.mutate('/revisions', csrfToken, input)
};
export const userApi = {
me: () => json<{ username: string; csrfToken: string }>(fetch('/api/v1/auth/me', { credentials: 'include' })),
authenticate: (mode: 'login' | 'register', username: string, password: string) => json<{ username: string; csrfToken: string }>(fetch(`/api/v1/auth/${mode}`, { method: 'POST', credentials: 'include', headers: { 'content-type': 'application/json' }, body: JSON.stringify({ username, password }) })),
logout: (csrfToken: string) => json(fetch('/api/v1/auth/logout', { method: 'POST', credentials: 'include', headers: { 'x-csrf-token': csrfToken } })),
favorites: (language: Language) => json<TopicListItem[]>(fetch(`/api/v1/favorites?lang=${language}`, { credentials: 'include' })),
setFavorite: (slug: string, favorite: boolean, csrfToken: string) => json<{ favorite: boolean }>(fetch(`/api/v1/favorites/${slug}`, { method: favorite ? 'PUT' : 'DELETE', credentials: 'include', headers: { 'x-csrf-token': csrfToken } }))
};

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@ -11,6 +11,7 @@ import './styles.css';
const router = createBrowserRouter([{ path: '/', element: <AppLayout />, children: [
{ index: true, element: <LibraryPage /> },
{ path: 'emne/:slug', element: <TopicPage /> },
{ path: 'favoritter', element: <LibraryPage favoritesOnly /> },
{ path: 'admin', element: <AdminPage /> }
]}]);
const client = new QueryClient({ defaultOptions: { queries: { staleTime: 60_000, retry: 1 } } });

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@ -0,0 +1,12 @@
import { create } from 'zustand';
import { persist } from 'zustand/middleware';
import type { Language } from '@tech-library/contracts';
interface Preferences { language: Language; setLanguage(language: Language): void }
export const usePreferences = create<Preferences>()(persist((set) => ({ language: 'da', setLanguage: (language) => set({ language }) }), { name: 'tech-library-preferences' }));
const messages = {
da: { library: 'Bibliotek', favorites: 'Favoritter', editorial: 'Redaktion', login: 'Log ind', logout: 'Log ud', register: 'Opret konto', username: 'Brugernavn', password: 'Adgangskode', sourceLibrary: 'Et levende teknisk opslagsværk', headline: 'Forstå teknologien.', headlineAccent: 'Se hele sammenhængen.', intro: 'Kurateret viden om moderne web-, app- og systemudvikling — fra første begreb til arkitekturbeslutning. Hvert udsagn føres tilbage til sin kilde.', search: 'Søg efter React, databaser, sikkerhed…', curated: 'kuraterede emner', official: 'Officielle primærkilder', verified: 'Løbende verificeret', filters: 'Filtrér', reset: 'Nulstil', domain: 'Fagområde', type: 'Type', allTopics: 'Alle emner', results: 'resultater', loading: 'Henter biblioteket…', noResults: 'Ingen emner matcher din søgning.', sources: 'Kilder', overview: 'Overblik', depth: 'Fordybelse', favorite: 'Føj til favoritter', unfavorite: 'Fjern fra favoritter', loginHint: 'Log ind for at gemme favoritter.', accountTitle: 'Din Tech Library-konto', noFavorites: 'Du har endnu ingen favoritter.' },
en: { library: 'Library', favorites: 'Favorites', editorial: 'Editorial', login: 'Log in', logout: 'Log out', register: 'Create account', username: 'Username', password: 'Password', sourceLibrary: 'A living technical reference', headline: 'Understand the technology.', headlineAccent: 'See the whole picture.', intro: 'Curated knowledge about modern web, app, and systems development — from first concepts to architecture decisions. Every claim traces back to its source.', search: 'Search for React, databases, security…', curated: 'curated topics', official: 'Official primary sources', verified: 'Continuously verified', filters: 'Filter', reset: 'Reset', domain: 'Domain', type: 'Type', allTopics: 'All topics', results: 'results', loading: 'Loading the library…', noResults: 'No topics match your search.', sources: 'Sources', overview: 'Overview', depth: 'In depth', favorite: 'Add to favorites', unfavorite: 'Remove from favorites', loginHint: 'Log in to save favorites.', accountTitle: 'Your Tech Library account', noFavorites: 'You do not have any favorites yet.' }
} as const;
export const useText = () => { const language = usePreferences((state) => state.language); return { language, t: messages[language] }; };

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@ -2,6 +2,7 @@
:root{font-family:Manrope,system-ui,sans-serif;color:#17201c;background:#f3f1e9;font-synthesis:none;--ink:#111714;--muted:#68716c;--line:#d8d7ce;--paper:#faf9f4;--acid:#d8ff58;--coral:#f7734f;--green:#264c3b}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,textarea,select{font:inherit}button,a{transition:.2s ease}a{color:inherit}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
.app-shell{min-height:100vh}.topbar{height:72px;padding:0 clamp(20px,5vw,72px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(243,241,233,.9);backdrop-filter:blur(12px);position:sticky;top:0;z-index:20}.brand{display:flex;gap:11px;align-items:center;text-decoration:none;font-weight:750}.brand-mark{background:var(--ink);color:var(--acid);width:34px;height:34px;display:grid;place-items:center;font:500 13px DM Mono;border-radius:4px}.topbar nav{display:flex;gap:8px}.topbar nav a{display:flex;align-items:center;gap:7px;text-decoration:none;padding:9px 13px;border-radius:5px;color:var(--muted);font-size:14px}.topbar nav a.active,.topbar nav a:hover{background:#e5e4dc;color:var(--ink)}footer{border-top:1px solid var(--line);padding:28px clamp(20px,5vw,72px);display:flex;justify-content:space-between;color:var(--muted);font-size:13px}footer a{display:flex;gap:7px;text-decoration:none}
.language-switch{display:flex;border:1px solid var(--line);border-radius:4px;overflow:hidden}.language-switch button{border:0;background:transparent;padding:8px 7px;font:10px DM Mono;cursor:pointer}.language-switch button.active{background:var(--ink);color:var(--acid)}.account-button{display:flex;align-items:center;gap:7px;border:0;background:transparent;padding:9px 10px;color:var(--muted);cursor:pointer}.dialog-overlay{position:fixed;inset:0;background:#101713aa;backdrop-filter:blur(4px);z-index:40}.account-dialog{position:fixed;z-index:41;left:50%;top:50%;transform:translate(-50%,-50%);width:min(430px,calc(100vw - 32px));background:var(--paper);padding:34px;border:1px solid var(--line);box-shadow:0 24px 80px #0005}.account-dialog h2{font-size:28px;margin:0 0 8px}.account-dialog>p{color:var(--muted);font-size:13px;line-height:1.5}.account-dialog form{display:grid;gap:14px;margin-top:24px}.account-dialog label{display:grid;gap:6px;font-size:12px;font-weight:600}.account-dialog input{padding:12px;border:1px solid var(--line)}.dialog-close{position:absolute;right:14px;top:14px;border:0;background:none;cursor:pointer}.dialog-close svg{width:18px}.mode-switch{border:0;background:none;color:var(--green);padding:14px 0 0;cursor:pointer}.favorite-button{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:transparent;padding:10px 14px;cursor:pointer}.favorite-button.active{background:#fde3dc;border-color:var(--coral);color:#9b2f1d}.favorite-button svg{width:17px}.favorite-button.active svg{fill:currentColor}.login-hint{font-size:12px!important}
.hero{background:var(--ink);color:#fff;padding:clamp(62px,9vw,120px) clamp(20px,8vw,120px) 74px;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;width:420px;height:420px;border:1px solid #35433c;border-radius:50%;right:-80px;top:-160px;box-shadow:0 0 0 65px #17201c,0 0 0 66px #35433c,0 0 0 135px #17201c,0 0 0 136px #35433c;opacity:.7}.eyebrow{display:flex;align-items:center;gap:10px;text-transform:uppercase;letter-spacing:.13em;font:500 11px DM Mono;color:#aab5af}.eyebrow span{width:23px;height:2px;background:var(--acid)}.hero h1,.topic-hero h1{font-size:clamp(44px,6vw,82px);line-height:.96;letter-spacing:-.055em;margin:26px 0 25px;max-width:850px}.hero h1 em{font-family:Newsreader,serif;font-weight:500;color:var(--acid)}.hero>p{font-size:clamp(16px,2vw,20px);line-height:1.65;color:#b7c0bb;max-width:710px}.searchbox{display:flex;align-items:center;max-width:760px;margin-top:42px;background:#fff;color:var(--ink);border-radius:6px;padding:0 17px;position:relative;z-index:2;box-shadow:0 12px 35px #0004}.searchbox input{width:100%;border:0;outline:0;padding:19px 14px;background:transparent;font-size:16px}.searchbox kbd{font:12px DM Mono;color:#7c837f;border:1px solid var(--line);padding:4px 7px;border-radius:4px;white-space:nowrap}.hero-meta{display:flex;gap:11px;flex-wrap:wrap;margin-top:22px;color:#8d9b94;font:11px DM Mono;text-transform:uppercase;letter-spacing:.05em}
.library-layout{display:grid;grid-template-columns:230px 1fr;gap:55px;padding:58px clamp(20px,5vw,72px) 100px;max-width:1500px;margin:auto}.filter-title{display:flex;justify-content:space-between;align-items:center;font-weight:700;font-size:14px;padding-bottom:18px;border-bottom:1px solid var(--line)}.filter-title span,.filter-title button{display:flex;align-items:center;gap:7px}.filter-title button{border:0;background:none;font-size:11px;color:var(--muted);cursor:pointer}.filters fieldset{border:0;padding:22px 0 3px;margin:0;border-bottom:1px solid var(--line)}.filters legend{text-transform:uppercase;font:500 10px DM Mono;letter-spacing:.1em;margin-bottom:13px}.filters label{display:grid;grid-template-columns:19px 1fr auto;align-items:center;font-size:13px;padding:7px 0;cursor:pointer}.filters input{appearance:none;width:14px;height:14px;border:1px solid #a6aaa7;border-radius:3px;margin:0}.filters input:checked{border:4px solid var(--ink);background:var(--acid)}.filters small{color:#929790}.catalog-header{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px}.kicker{text-transform:uppercase;letter-spacing:.12em;font:500 10px DM Mono;color:var(--coral);margin:0 0 8px}.catalog-header h2{font-size:32px;letter-spacing:-.035em;margin:0}.catalog-header>span{font:11px DM Mono;color:var(--muted)}.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.topic-card{background:var(--paper);border:1px solid var(--line);padding:22px;min-height:250px;text-decoration:none;display:flex;flex-direction:column;border-radius:4px;animation:rise .45s both;animation-delay:var(--delay)}.topic-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px #25312916;border-color:#a8aea9}.card-top{display:flex;justify-content:space-between}.type-badge{font:500 10px DM Mono;text-transform:uppercase;color:var(--green);background:#e4eee7;padding:5px 7px;border-radius:3px}.topic-card h3{font-size:21px;letter-spacing:-.025em;margin:23px 0 9px}.topic-card p{font-size:13px;line-height:1.55;color:var(--muted);margin:0}.tag-row{margin-top:auto;display:flex;gap:5px;padding-top:18px}.tag-row span{font:10px DM Mono;background:#ebeae3;padding:4px 6px}.verified{font:9px DM Mono;color:#9b9d98;text-transform:uppercase;margin-top:12px}.state-card,.page-state{padding:55px;text-align:center;background:var(--paper);border:1px solid var(--line)}.state-card.error,.form-error{color:#a02e20}@keyframes rise{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.topic-page{max-width:1180px;margin:auto;padding:50px 30px 100px}.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13px;text-decoration:none}.topic-hero{display:grid;grid-template-columns:1fr 280px;gap:60px;padding:70px 0 50px;border-bottom:1px solid var(--line)}.topic-hero h1{font-size:70px;margin:18px 0;color:var(--ink)}.topic-hero>div>p{font-size:19px;line-height:1.65;color:var(--muted);max-width:730px}.topic-hero dl{margin:0;background:var(--ink);color:white;padding:25px}.topic-hero dl div{padding:12px 0;border-bottom:1px solid #334039}.topic-hero dt{font:9px DM Mono;text-transform:uppercase;color:#8fa097;margin-bottom:6px}.topic-hero dd{margin:0;font-size:13px}.topic-tabs [role=tablist],.admin-tabs>[role=tablist]{display:flex;border-bottom:1px solid var(--line);margin:0 0 40px}.topic-tabs [role=tab],.admin-tabs [role=tab]{border:0;background:none;padding:20px 22px;cursor:pointer;color:var(--muted);border-bottom:2px solid transparent}.topic-tabs [data-state=active],.admin-tabs [data-state=active]{color:var(--ink);border-color:var(--coral)}.topic-tabs [role=tab] span{background:var(--ink);color:white;border-radius:10px;padding:1px 6px;font-size:10px}.prose-grid{display:grid;grid-template-columns:1fr 320px;gap:70px}.prose{max-width:760px}.prose h2,.sources h2{font-size:25px;letter-spacing:-.025em;margin:42px 0 13px}.prose .lead,.prose p{line-height:1.8;color:#4f5a54}.prose ul,.info-card ul{padding-left:20px;line-height:1.7;color:#4f5a54}.prose li{margin:7px 0}.prose pre{overflow:auto;background:var(--ink);color:#d8ff58;padding:22px;border-radius:4px}.info-card{background:#e8e9df;padding:24px;margin-bottom:16px}.info-title{display:flex;align-items:center;gap:9px}.info-title svg{width:18px}.info-title h3{font-size:15px}.info-card li{font-size:13px;margin:8px 0}.source-intro{display:flex;gap:15px;align-items:flex-start;margin-bottom:25px}.source-intro svg{background:var(--acid);padding:9px;width:42px;height:42px}.source-intro h2{margin:0}.source-intro p{color:var(--muted)}.source-card{display:flex;justify-content:space-between;text-decoration:none;padding:24px;border:1px solid var(--line);background:var(--paper);margin-bottom:10px}.source-card span{font:10px DM Mono;text-transform:uppercase;color:var(--coral)}.source-card h3{margin:8px 0}.source-card p{font-size:12px;color:var(--muted)}.source-card small{display:flex;align-items:center;gap:6px;color:var(--green)}

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@ -1,16 +1,20 @@
import { BookOpen, Github, ShieldCheck } from 'lucide-react';
import * as Dialog from '@radix-ui/react-dialog';
import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
import { BookOpen, Github, Heart, LogIn, LogOut, ShieldCheck, UserRound, X } from 'lucide-react';
import { useState } from 'react';
import { Link, NavLink, Outlet } from 'react-router-dom';
import { userApi } from '../lib/api';
import { usePreferences, useText } from '../store/preferences';
export function AppLayout() {
return <div className="app-shell">
<header className="topbar">
<Link className="brand" to="/"><span className="brand-mark">TL</span><span>Tech Library</span></Link>
<nav aria-label="Primær navigation">
<NavLink to="/" end><BookOpen size={17}/>Bibliotek</NavLink>
<NavLink to="/admin"><ShieldCheck size={17}/>Redaktion</NavLink>
</nav>
</header>
<main><Outlet /></main>
<footer><span>Levende viden. Dokumenterede kilder.</span><a href="https://git.p20.dev/christian/TechLibrary" target="_blank" rel="noreferrer"><Github size={16}/>Kildekode</a></footer>
</div>;
const { language, t } = useText(); const setLanguage = usePreferences((state) => state.setLanguage); const client = useQueryClient();
const session = useQuery({ queryKey: ['user-session'], queryFn: userApi.me, retry: false });
const logout = useMutation({ mutationFn: () => userApi.logout(session.data!.csrfToken), onSuccess: () => { client.setQueryData(['user-session'], null); client.invalidateQueries({ queryKey: ['topics'] }); } });
return <div className="app-shell"><header className="topbar"><Link className="brand" to="/"><span className="brand-mark">TL</span><span>Tech Library</span></Link><nav aria-label="Primary navigation"><NavLink to="/" end><BookOpen size={17}/>{t.library}</NavLink>{session.data && <NavLink to="/favoritter"><Heart size={17}/>{t.favorites}</NavLink>}<NavLink to="/admin"><ShieldCheck size={17}/>{t.editorial}</NavLink><div className="language-switch"><button className={language === 'da' ? 'active' : ''} onClick={() => setLanguage('da')}>DA</button><button className={language === 'en' ? 'active' : ''} onClick={() => setLanguage('en')}>EN</button></div>{session.data ? <button className="account-button" onClick={() => logout.mutate()} title={t.logout}><LogOut size={17}/><span>{session.data.username}</span></button> : <AccountDialog/>}</nav></header><main><Outlet /></main><footer><span>Living knowledge. Documented sources.</span><a href="https://git.p20.dev/christian/TechLibrary" target="_blank" rel="noreferrer"><Github size={16}/>Source</a></footer></div>;
}
function AccountDialog() {
const { t } = useText(); const client = useQueryClient(); const [open, setOpen] = useState(false); const [mode, setMode] = useState<'login' | 'register'>('login'); const [error, setError] = useState('');
const authenticate = useMutation({ mutationFn: ({ username, password }: { username: string; password: string }) => userApi.authenticate(mode, username, password), onSuccess: (data) => { client.setQueryData(['user-session'], data); client.invalidateQueries({ queryKey: ['topics'] }); setOpen(false); }, onError: (reason) => setError(reason instanceof Error ? reason.message : 'Authentication failed') });
return <Dialog.Root open={open} onOpenChange={setOpen}><Dialog.Trigger asChild><button className="account-button"><UserRound size={17}/><span>{t.login}</span></button></Dialog.Trigger><Dialog.Portal><Dialog.Overlay className="dialog-overlay"/><Dialog.Content className="account-dialog"><Dialog.Close className="dialog-close"><X/></Dialog.Close><Dialog.Title>{t.accountTitle}</Dialog.Title><Dialog.Description>{mode === 'login' ? t.loginHint : '3–32 characters. Password: minimum 8 characters.'}</Dialog.Description><form onSubmit={(event) => { event.preventDefault(); setError(''); const data = new FormData(event.currentTarget); authenticate.mutate({ username: String(data.get('username')), password: String(data.get('password')) }); }}><label>{t.username}<input name="username" autoComplete="username" required/></label><label>{t.password}<input name="password" type="password" autoComplete={mode === 'login' ? 'current-password' : 'new-password'} minLength={8} required/></label>{error && <p className="form-error">{error}</p>}<button className="primary-button" disabled={authenticate.isPending}><LogIn/>{mode === 'login' ? t.login : t.register}</button></form><button className="mode-switch" onClick={() => { setMode(mode === 'login' ? 'register' : 'login'); setError(''); }}>{mode === 'login' ? t.register : t.login}</button></Dialog.Content></Dialog.Portal></Dialog.Root>;
}

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@ -19,6 +19,8 @@ React/Vite PWA ──REST──> Fastify API ──> SQLite
Published revisions are immutable. `topics.active_revision_id` is the only publication pointer, so rollback does not rewrite history. Findings and draft revisions never become public merely because a worker produced them.
English revision payloads are canonical. Each localized payload references the exact English source revision it translates; missing translations fall back to English rather than blocking publication. Reader accounts and favorites are separate from the editorial administrator and never affect public content.
## ADR-001: SQLite and one writer host
SQLite is authoritative for v1 and runs on a persistent local volume. WAL mode supports concurrent readers while API and worker serialize short writes. Do not place the database on a network filesystem. Database access stays behind the database package and repository layer to preserve a future migration path.