diff --git a/web/ai-debug.css b/web/ai-debug.css
index d9b2679..e7066be 100644
--- a/web/ai-debug.css
+++ b/web/ai-debug.css
@@ -154,6 +154,107 @@
   margin-bottom: 10px;
 }
 
+.ai-debug-inline-metric {
+  display: flex;
+  flex-direction: column;
+  gap: 4px;
+}
+
+.ai-debug-inline-bar {
+  display: block;
+  width: 100%;
+  height: 6px;
+  border-radius: 999px;
+  background: #e2e8f0;
+  overflow: hidden;
+}
+
+.ai-debug-inline-bar > span {
+  display: block;
+  height: 100%;
+  border-radius: 999px;
+  background: linear-gradient(90deg, #0ea5e9 0%, #0284c7 100%);
+}
+
+.ai-debug-viz {
+  display: flex;
+  flex-direction: column;
+  gap: 12px;
+  margin-bottom: 10px;
+}
+
+.ai-debug-viz-empty {
+  color: #64748b;
+  font-size: 13px;
+}
+
+.ai-debug-viz-group {
+  border: 1px solid #e2e8f0;
+  border-radius: 8px;
+  padding: 10px;
+  background: #f8fafc;
+}
+
+.ai-debug-viz-group h4 {
+  margin: 0 0 8px;
+  font-size: 13px;
+  color: #1e293b;
+}
+
+.ai-debug-bars {
+  margin: 0;
+  padding: 0;
+  list-style: none;
+  display: flex;
+  flex-direction: column;
+  gap: 7px;
+}
+
+.ai-debug-bar-row {
+  display: grid;
+  grid-template-columns: minmax(120px, 180px) minmax(60px, 1fr) auto;
+  align-items: center;
+  gap: 8px;
+}
+
+.ai-debug-bar-label {
+  font-size: 12px;
+  color: #334155;
+  white-space: nowrap;
+  overflow: hidden;
+  text-overflow: ellipsis;
+}
+
+.ai-debug-bar-track {
+  display: block;
+  width: 100%;
+  height: 10px;
+  border-radius: 999px;
+  background: #dbeafe;
+  overflow: hidden;
+}
+
+.ai-debug-bar-fill {
+  display: block;
+  height: 100%;
+  border-radius: 999px;
+  background: linear-gradient(90deg, #38bdf8 0%, #2563eb 100%);
+}
+
+.ai-debug-bar-value {
+  font-size: 12px;
+  color: #0f172a;
+  white-space: nowrap;
+}
+
+.ai-debug-bar-row--peak .ai-debug-bar-track {
+  background: #fee2e2;
+}
+
+.ai-debug-bar-row--peak .ai-debug-bar-fill {
+  background: linear-gradient(90deg, #fb7185 0%, #dc2626 100%);
+}
+
 .ai-debug-json {
   margin: 0;
   max-height: 60vh;
@@ -177,4 +278,8 @@
   .ai-debug-json {
     max-height: 42vh;
   }
+
+  .ai-debug-bar-row {
+    grid-template-columns: minmax(100px, 140px) minmax(40px, 1fr) auto;
+  }
 }
diff --git a/web/ai-debug.js b/web/ai-debug.js
index d863493..07d7214 100644
--- a/web/ai-debug.js
+++ b/web/ai-debug.js
@@ -21,6 +21,7 @@
   const tableBody = document.getElementById('aiDebugTableBody');
   const statusEl = document.getElementById('aiDebugStatus');
   const detailMeta = document.getElementById('aiDebugDetailMeta');
+  const detailViz = document.getElementById('aiDebugDetailViz');
   const detailJson = document.getElementById('aiDebugDetailJson');
   const refreshBtn = document.getElementById('aiDebugRefreshBtn');
   const statusFilter = document.getElementById('aiDebugStatusFilter');
@@ -90,6 +91,14 @@
     return `${value.slice(0, 8)}…${value.slice(-6)}`;
   }
 
+  function toPositiveNumber(value) {
+    const numeric = Number(value);
+    if (!Number.isFinite(numeric) || numeric < 0) {
+      return null;
+    }
+    return numeric;
+  }
+
   function getBackendTotalMs(item) {
     return item
       && item.backend_timings
@@ -117,6 +126,11 @@
       return;
     }
 
+    const totals = state.traces
+      .map((item) => toPositiveNumber(item.total_duration_ms))
+      .filter((value) => value !== null);
+    const maxTotal = totals.length ? Math.max(...totals) : 0;
+
     state.traces.forEach((item) => {
       const tr = document.createElement('tr');
       tr.dataset.traceId = item.trace_id;
@@ -124,10 +138,20 @@
         tr.classList.add('is-selected');
       }
 
+      const totalMs = toPositiveNumber(item.total_duration_ms);
+      const totalBarPercent = maxTotal > 0 && totalMs !== null
+        ? Math.max(4, Math.round((totalMs / maxTotal) * 100))
+        : 0;
+
       tr.innerHTML = `
         <td>${formatDate(item.created_at)}</td>
         <td><span class="ai-debug-badge ai-debug-badge--${(item.status || 'unknown').replace(/[^a-z0-9_-]/gi, '')}">${item.status || '—'}</span></td>
-        <td>${formatMs(item.total_duration_ms)}</td>
+        <td>
+          <div class="ai-debug-inline-metric">
+            <span>${formatMs(item.total_duration_ms)}</span>
+            <span class="ai-debug-inline-bar" aria-hidden="true"><span style="width: ${totalBarPercent}%"></span></span>
+          </div>
+        </td>
         <td>${formatMs(getBackendTotalMs(item))}</td>
         <td>${formatMs(getAiRequestMs(item))}</td>
         <td><code>${compactId(item.flow_id)}</code> / <code>${compactId(item.trace_id)}</code></td>
@@ -137,17 +161,148 @@
     });
   }
 
+  function collectFrontendBars(trace) {
+    const front = trace && trace.frontend_timings && typeof trace.frontend_timings === 'object'
+      ? trace.frontend_timings
+      : {};
+
+    const mapping = [
+      ['extractPostTextMs', 'Text-Extraktion'],
+      ['profileLookupMs', 'Profil-Lookup'],
+      ['aiRequestMs', 'AI-Request'],
+      ['waitForCommentInputMs', 'Wartezeit Kommentarfeld'],
+      ['setCommentTextMs', 'Kommentar einfügen'],
+      ['confirmParticipationMs', 'Auto-Bestätigung'],
+      ['clipboardWriteMs', 'Clipboard-Fallback'],
+      ['totalMs', 'Frontend Total']
+    ];
+
+    return mapping
+      .map(([key, label]) => ({
+        key,
+        label,
+        value: toPositiveNumber(front[key])
+      }))
+      .filter((entry) => entry.value !== null);
+  }
+
+  function collectBackendBars(trace) {
+    const back = trace && trace.backend_timings && typeof trace.backend_timings === 'object'
+      ? trace.backend_timings
+      : {};
+
+    const mapping = [
+      ['loadSettingsMs', 'Settings laden'],
+      ['reactivateCredentialsMs', 'Credentials reaktivieren'],
+      ['loadCredentialsMs', 'Credentials laden'],
+      ['buildPromptMs', 'Prompt bauen'],
+      ['credentialLoopMs', 'Provider-/Credential-Loop'],
+      ['totalMs', 'Backend Total']
+    ];
+
+    return mapping
+      .map(([key, label]) => ({
+        key,
+        label,
+        value: toPositiveNumber(back[key])
+      }))
+      .filter((entry) => entry.value !== null);
+  }
+
+  function collectCredentialBars(trace) {
+    const attempts = trace && Array.isArray(trace.backend_attempts)
+      ? trace.backend_attempts
+      : [];
+
+    return attempts
+      .map((attempt, index) => {
+        const credential = attempt && attempt.credentialName ? attempt.credentialName : `Credential ${index + 1}`;
+        const status = attempt && attempt.status ? attempt.status : 'unknown';
+        return {
+          key: `credential_${index + 1}`,
+          label: `${credential} (${status})`,
+          value: toPositiveNumber(attempt && attempt.duration_ms)
+        };
+      })
+      .filter((entry) => entry.value !== null);
+  }
+
+  function renderBarGroup(title, rows) {
+    if (!Array.isArray(rows) || !rows.length) {
+      return '';
+    }
+
+    const max = Math.max(...rows.map((entry) => entry.value));
+    const sorted = [...rows].sort((a, b) => b.value - a.value);
+    const peakKey = sorted[0] ? sorted[0].key : null;
+
+    const items = rows.map((entry) => {
+      const width = max > 0
+        ? Math.max(4, Math.round((entry.value / max) * 100))
+        : 0;
+      const peakClass = entry.key === peakKey ? ' ai-debug-bar-row--peak' : '';
+      return `
+        <li class="ai-debug-bar-row${peakClass}">
+          <span class="ai-debug-bar-label">${entry.label}</span>
+          <span class="ai-debug-bar-track" aria-hidden="true">
+            <span class="ai-debug-bar-fill" style="width: ${width}%"></span>
+          </span>
+          <span class="ai-debug-bar-value">${formatMs(entry.value)}</span>
+        </li>
+      `;
+    }).join('');
+
+    return `
+      <section class="ai-debug-viz-group">
+        <h4>${title}</h4>
+        <ul class="ai-debug-bars">
+          ${items}
+        </ul>
+      </section>
+    `;
+  }
+
+  function renderDetailVisualization(trace) {
+    if (!detailViz) {
+      return;
+    }
+
+    if (!trace) {
+      detailViz.innerHTML = '';
+      return;
+    }
+
+    const frontendBars = collectFrontendBars(trace);
+    const backendBars = collectBackendBars(trace);
+    const credentialBars = collectCredentialBars(trace);
+
+    const sections = [
+      renderBarGroup('Frontend-Phasen', frontendBars),
+      renderBarGroup('Backend-Phasen', backendBars),
+      renderBarGroup('Credential-Attempts', credentialBars)
+    ].filter(Boolean);
+
+    if (!sections.length) {
+      detailViz.innerHTML = '<div class="ai-debug-viz-empty">Keine Timing-Daten für diesen Lauf verfügbar.</div>';
+      return;
+    }
+
+    detailViz.innerHTML = sections.join('');
+  }
+
   function renderDetail(trace) {
     if (!detailMeta || !detailJson) {
       return;
     }
     if (!trace) {
       detailMeta.textContent = 'Bitte einen Eintrag auswählen.';
+      renderDetailVisualization(null);
       detailJson.textContent = '';
       return;
     }
 
     detailMeta.textContent = `${trace.status || '—'} · ${formatDate(trace.created_at)} · Trace ${trace.trace_id || '—'}`;
+    renderDetailVisualization(trace);
     detailJson.textContent = JSON.stringify(trace, null, 2);
   }
 
diff --git a/web/index.html b/web/index.html
index 6e706a4..702e9de 100644
--- a/web/index.html
+++ b/web/index.html
@@ -1453,6 +1453,7 @@
               <section class="ai-debug-detail-panel">
                 <h3>Ablaufdetails</h3>
                 <div id="aiDebugDetailMeta" class="ai-debug-detail-meta">Bitte einen Eintrag auswählen.</div>
+                <div id="aiDebugDetailViz" class="ai-debug-viz"></div>
                 <pre id="aiDebugDetailJson" class="ai-debug-json"></pre>
               </section>
             </div>