diff --git a/src/static/dashboard.html b/src/static/dashboard.html
index 1da5330..f685805 100644
--- a/src/static/dashboard.html
+++ b/src/static/dashboard.html
@@ -301,7 +301,7 @@
                             </div>
                             <div class="pipeline-body">
                                 <div class="pipeline-stage" id="pipeline-stage" aria-label="Analysepipeline-Visualisierung">
-                                    <div class="pipeline-empty" id="pipeline-empty">Noch nie aktualisiert. Starte den ersten Refresh.</div>
+                                    <div class="pipeline-empty" id="pipeline-empty" data-i18n="pipeline.empty">Noch nie aktualisiert. Starte den ersten Refresh.</div>
                                 </div>
                                 <aside class="pipeline-sidenote" id="pipeline-sidenote" hidden>
                                     Recherche-Lagen werden mehrfach evaluiert, um das Bild Schritt für Schritt aufzubauen.
@@ -726,9 +726,9 @@
     <script src="/static/js/i18n.js?v=20260513a"></script>
     <script src="/static/js/api.js?v=20260423a"></script>
     <script src="/static/js/ws.js?v=20260316b"></script>
-    <script src="/static/js/components.js?v=20260513a"></script>
+    <script src="/static/js/components.js?v=20260513d"></script>
     <script src="/static/js/layout.js?v=20260316b"></script>
-    <script src="/static/js/pipeline.js?v=20260501i"></script>
+    <script src="/static/js/pipeline.js?v=20260513d"></script>
     <script src="/static/js/app.js?v=20260513c"></script>
     <script src="/static/js/cluster-data.js?v=20260322f"></script>
     <script src="/static/js/tutorial.js?v=20260316z"></script>
@@ -782,7 +782,7 @@
     <div class="progress-overlay" id="progress-overlay" style="display:none;">
         <div class="progress-popup" id="progress-popup">
             <div class="progress-popup-header">
-                <span class="progress-popup-title" id="progress-popup-title">Aktualisierung läuft</span>
+                <span class="progress-popup-title" id="progress-popup-title" data-i18n="progress.title.refresh">Aktualisierung läuft</span>
                 <span class="progress-popup-timer" id="progress-popup-timer"></span>
                 <button class="progress-popup-minimize" id="progress-popup-minimize" style="display:none;" onclick="App.minimizeProgress()" title="Minimieren">&minus;</button>
             </div>
@@ -792,22 +792,22 @@
                 <div class="progress-checklist" id="progress-checklist" style="display:none;">
                     <div class="progress-check-item" data-step="queued">
                         <span class="progress-check-icon">○</span>
-                        <span class="progress-check-label">In Warteschlange</span>
+                        <span class="progress-check-label" data-i18n="progress.title.queued">In Warteschlange</span>
                         <span class="progress-check-detail"></span>
                     </div>
                     <div class="progress-check-item" data-step="researching">
                         <span class="progress-check-icon">○</span>
-                        <span class="progress-check-label">Quellen werden durchsucht</span>
+                        <span class="progress-check-label" data-i18n="progress.check.researching">Quellen werden durchsucht</span>
                         <span class="progress-check-detail"></span>
                     </div>
                     <div class="progress-check-item" data-step="analyzing">
                         <span class="progress-check-icon">○</span>
-                        <span class="progress-check-label">Meldungen werden analysiert</span>
+                        <span class="progress-check-label" data-i18n="progress.check.analyzing">Meldungen werden analysiert</span>
                         <span class="progress-check-detail"></span>
                     </div>
                     <div class="progress-check-item" data-step="factchecking">
                         <span class="progress-check-icon">○</span>
-                        <span class="progress-check-label">Faktencheck läuft</span>
+                        <span class="progress-check-label" data-i18n="progress.factcheck_running">Faktencheck läuft</span>
                         <span class="progress-check-detail"></span>
                     </div>
                 </div>
diff --git a/src/static/i18n/de.json b/src/static/i18n/de.json
index 9f16818..ffeeb31 100644
--- a/src/static/i18n/de.json
+++ b/src/static/i18n/de.json
@@ -65,5 +65,40 @@
   "refresh.no_developments": "Keine neuen Entwicklungen",
   "refresh.new_articles_suffix": "neue Artikel",
   "refresh.confirmed_suffix": "Fakten bestätigt",
-  "refresh.contradicted_suffix": "widerlegt"
+  "refresh.contradicted_suffix": "widerlegt",
+  "progress.status.queued": "In Warteschlange",
+  "progress.status.researching": "Recherchiert...",
+  "progress.status.deep_researching": "Tiefenrecherche...",
+  "progress.status.analyzing": "Analysiert...",
+  "progress.status.factchecking": "Faktencheck...",
+  "progress.status.cancelling": "Wird abgebrochen...",
+  "progress.title.first_refresh": "Erste Recherche läuft",
+  "progress.title.refresh": "Aktualisierung läuft",
+  "progress.title.queued": "In Warteschlange",
+  "progress.title.cancelling": "Wird abgebrochen…",
+  "progress.factcheck_running": "Faktencheck läuft",
+  "progress.check.researching": "Quellen werden durchsucht",
+  "progress.check.analyzing": "Meldungen werden analysiert",
+  "pipeline.empty": "Noch nie aktualisiert. Starte den ersten Refresh.",
+  "pipeline.load_failed": "Pipeline laden fehlgeschlagen",
+  "pipeline.running": "Aktualisierung läuft...",
+  "pipeline.cancelled": "abgebrochen",
+  "pipeline.with_errors": "mit Fehler beendet",
+  "pipeline.duration_prefix": "Dauer:",
+  "pipeline.status.done": "erledigt",
+  "pipeline.status.running": "läuft...",
+  "pipeline.status.error": "Fehler",
+  "pipeline.count.sources_reviewed": "{n} Quellen geprüft",
+  "pipeline.count.collected": "{n} Meldungen",
+  "pipeline.count.collected_from": "{n} Meldungen aus {s} Quellen",
+  "time.just_now": "gerade eben",
+  "time.minutes_ago": "vor {n} Min",
+  "time.hours_ago": "vor {n} Std",
+  "time.days_ago": "vor {n} Tagen",
+  "time.day_ago": "vor 1 Tag",
+  "toast.incident_refreshed": "Lage aktualisiert.",
+  "toast.data_refreshed": "Daten aktualisiert.",
+  "toast.source_updated": "Quelle aktualisiert.",
+  "toast.session_expires": "Session läuft in {min} Minute(n) ab. Bitte erneut anmelden.",
+  "confirm.delete_incident": "Lage wirklich löschen? Alle gesammelten Daten gehen verloren."
 }
diff --git a/src/static/i18n/en.json b/src/static/i18n/en.json
index 631da79..ab49358 100644
--- a/src/static/i18n/en.json
+++ b/src/static/i18n/en.json
@@ -65,5 +65,40 @@
   "refresh.no_developments": "No new developments",
   "refresh.new_articles_suffix": "new articles",
   "refresh.confirmed_suffix": "facts confirmed",
-  "refresh.contradicted_suffix": "contradicted"
+  "refresh.contradicted_suffix": "contradicted",
+  "progress.status.queued": "Queued",
+  "progress.status.researching": "Researching...",
+  "progress.status.deep_researching": "Deep research...",
+  "progress.status.analyzing": "Analyzing...",
+  "progress.status.factchecking": "Fact-checking...",
+  "progress.status.cancelling": "Cancelling...",
+  "progress.title.first_refresh": "Initial research running",
+  "progress.title.refresh": "Refresh running",
+  "progress.title.queued": "Queued",
+  "progress.title.cancelling": "Cancelling…",
+  "progress.factcheck_running": "Fact-check running",
+  "progress.check.researching": "Searching sources",
+  "progress.check.analyzing": "Analyzing articles",
+  "pipeline.empty": "Never refreshed. Start the first refresh.",
+  "pipeline.load_failed": "Failed to load pipeline",
+  "pipeline.running": "Refresh running...",
+  "pipeline.cancelled": "cancelled",
+  "pipeline.with_errors": "finished with errors",
+  "pipeline.duration_prefix": "Duration:",
+  "pipeline.status.done": "done",
+  "pipeline.status.running": "running...",
+  "pipeline.status.error": "error",
+  "pipeline.count.sources_reviewed": "{n} sources checked",
+  "pipeline.count.collected": "{n} articles",
+  "pipeline.count.collected_from": "{n} articles from {s} sources",
+  "time.just_now": "just now",
+  "time.minutes_ago": "{n} min ago",
+  "time.hours_ago": "{n}h ago",
+  "time.days_ago": "{n} days ago",
+  "time.day_ago": "1 day ago",
+  "toast.incident_refreshed": "Situation refreshed.",
+  "toast.data_refreshed": "Data refreshed.",
+  "toast.source_updated": "Source updated.",
+  "toast.session_expires": "Session expires in {min} minute(s). Please sign in again.",
+  "confirm.delete_incident": "Really delete this situation? All collected data will be lost."
 }
diff --git a/src/static/js/components.js b/src/static/js/components.js
index d4c9e31..447dd8c 100644
--- a/src/static/js/components.js
+++ b/src/static/js/components.js
@@ -290,7 +290,7 @@ const UI = {
     },
 
     _getStepLabel(step) {
-        const map = {
+        const fallback = {
             queued: 'In Warteschlange',
             researching: 'Recherchiert...',
             deep_researching: 'Tiefenrecherche...',
@@ -298,7 +298,10 @@ const UI = {
             factchecking: 'Faktencheck...',
             cancelling: 'Wird abgebrochen...',
         };
-        return map[step] || step;
+        if (!fallback[step]) return step;
+        return (typeof T === 'function')
+            ? T('progress.status.' + step, fallback[step])
+            : fallback[step];
     },
 
     showProgress(status, extra = {}, incidentId = null, isFirstRefresh = false) {
@@ -386,16 +389,17 @@ const UI = {
         // Title - haengt von Status ab (queued = wartet, cancelling = bricht ab, sonst laeuft)
         const titleEl = document.getElementById('progress-popup-title');
         if (titleEl) {
+            const _t = (k, fb) => (typeof T === 'function') ? T(k, fb) : fb;
             let title;
             if (status === 'queued') {
                 const pos = (state && state._queuePos) ? ' (#' + state._queuePos + ')' : '';
-                title = 'In Warteschlange' + pos;
+                title = _t('progress.title.queued', 'In Warteschlange') + pos;
             } else if (status === 'cancelling') {
-                title = 'Wird abgebrochen\u2026';
+                title = _t('progress.title.cancelling', 'Wird abgebrochen\u2026');
             } else if (state.isFirst) {
-                title = 'Erste Recherche l\u00e4uft';
+                title = _t('progress.title.first_refresh', 'Erste Recherche l\u00e4uft');
             } else {
-                title = 'Aktualisierung l\u00e4uft';
+                title = _t('progress.title.refresh', 'Aktualisierung l\u00e4uft');
             }
             titleEl.textContent = title;
         }
diff --git a/src/static/js/pipeline.js b/src/static/js/pipeline.js
index 03979d5..15a1773 100644
--- a/src/static/js/pipeline.js
+++ b/src/static/js/pipeline.js
@@ -254,7 +254,8 @@ const Pipeline = {
 
         // Brandneue Lage ohne Refresh
         if (!this._lastRefreshHeader) {
-            this._renderEmpty('Noch nie aktualisiert. Starte den ersten Refresh.');
+            const _t = (k, fb) => (typeof T === 'function') ? T(k, fb) : fb;
+            this._renderEmpty(_t('pipeline.empty', 'Noch nie aktualisiert. Starte den ersten Refresh.'));
             return;
         }
 
@@ -502,20 +503,22 @@ const Pipeline = {
     _formatHeader() {
         const r = this._lastRefreshHeader;
         if (!r) return '';
+        const _t = (k, fb) => (typeof T === 'function') ? T(k, fb) : fb;
+        const lastLabel = _t('pipeline.last_refresh', 'Letzter Refresh');
         let parts = [];
         if (r.started_at) {
             const rel = this._relativeTime(r.started_at);
-            parts.push(rel ? `Letzter Refresh: ${rel}` : `Letzter Refresh: ${r.started_at}`);
+            parts.push(rel ? `${lastLabel}: ${rel}` : `${lastLabel}: ${r.started_at}`);
         }
         if (r.duration_sec != null) {
-            parts.push(`Dauer: ${r.duration_sec} s`);
+            parts.push(`${_t('pipeline.duration_prefix', 'Dauer:')} ${r.duration_sec} s`);
         }
         if (r.status === 'running') {
-            parts = ['Aktualisierung läuft...'];
+            parts = [_t('pipeline.running', 'Aktualisierung läuft...')];
         } else if (r.status === 'cancelled') {
-            parts.push('abgebrochen');
+            parts.push(_t('pipeline.cancelled', 'abgebrochen'));
         } else if (r.status === 'error') {
-            parts.push('mit Fehler beendet');
+            parts.push(_t('pipeline.with_errors', 'mit Fehler beendet'));
         }
         return parts.join(' · ');
     },
@@ -527,28 +530,34 @@ const Pipeline = {
             if (isNaN(d.getTime())) return '';
             const diffMs = Date.now() - d.getTime();
             const min = Math.floor(diffMs / 60000);
-            if (min < 1) return 'gerade eben';
-            if (min < 60) return `vor ${min} Min`;
+            const _t = (k, fb) => (typeof T === 'function') ? T(k, fb) : fb;
+            if (min < 1) return _t('time.just_now', 'gerade eben');
+            if (min < 60) return _t('time.minutes_ago', 'vor {n} Min').replace('{n}', min);
             const h = Math.floor(min / 60);
-            if (h < 24) return `vor ${h} Std`;
+            if (h < 24) return _t('time.hours_ago', 'vor {n} Std').replace('{n}', h);
             const days = Math.floor(h / 24);
-            return `vor ${days} Tag${days === 1 ? '' : 'en'}`;
+            if (days === 1) return _t('time.day_ago', 'vor 1 Tag');
+            return _t('time.days_ago', 'vor {n} Tagen').replace('{n}', days);
         } catch (e) {
             return '';
         }
     },
 
     _formatCount(stepKey, cv, cs, status) {
+        const _t = (k, fb) => (typeof T === 'function') ? T(k, fb) : fb;
+        const sDone = _t('pipeline.status.done', 'erledigt');
+        const sRun = _t('pipeline.status.running', 'läuft...');
+        const sErr = _t('pipeline.status.error', 'Fehler');
         // Qualitaetscheck: KEINE Zahlen, nur Status (Anforderung 3 vom User)
         if (stepKey === 'qc' || stepKey === 'summary') {
-            if (status === 'done') return '<span class="count-status">erledigt</span>';
-            if (status === 'active') return '<span class="count-status">läuft...</span>';
-            if (status === 'error') return '<span class="count-status">Fehler</span>';
+            if (status === 'done') return `<span class="count-status">${sDone}</span>`;
+            if (status === 'active') return `<span class="count-status">${sRun}</span>`;
+            if (status === 'error') return `<span class="count-status">${sErr}</span>`;
             return '<span class="count-status">-</span>';
         }
         if (status === 'pending') return '<span class="count-status">-</span>';
-        if (status === 'active') return '<span class="count-status">läuft...</span>';
-        if (status === 'error') return '<span class="count-status">Fehler</span>';
+        if (status === 'active') return `<span class="count-status">${sRun}</span>`;
+        if (status === 'error') return `<span class="count-status">${sErr}</span>`;
         if (cv == null) return '<span class="count-status">-</span>';
 
         switch (stepKey) {