diff --git a/.claude/launch.json b/.claude/launch.json
new file mode 100644
index 0000000..4926eec
--- /dev/null
+++ b/.claude/launch.json
@@ -0,0 +1,11 @@
+{
+  "version": "0.0.1",
+  "configurations": [
+    {
+      "name": "vite",
+      "runtimeExecutable": "npm",
+      "runtimeArgs": ["run", "dev:web"],
+      "port": 5173
+    }
+  ]
+}
diff --git a/package.json b/package.json
index c19282a..ddf1deb 100644
--- a/package.json
+++ b/package.json
@@ -8,6 +8,7 @@
   "scripts": {
     "predev": "powershell -NoProfile -ExecutionPolicy Bypass -File scripts\\kill-stale-instances.ps1 && tsc -p tsconfig.electron.json && copy electron\\preload.cjs dist-electron\\preload.cjs",
     "dev": "concurrently -k \"vite --host 127.0.0.1\" \"wait-on tcp:5173 && cross-env VITE_DEV_SERVER_URL=http://127.0.0.1:5173 electron .\"",
+    "dev:web": "vite --host 127.0.0.1",
     "dev:admin": ".\\dev-admin.cmd",
     "build": "tsc && vite build && tsc -p tsconfig.electron.json && copy electron\\\\preload.cjs dist-electron\\\\preload.cjs",
     "preview": "vite preview --host 127.0.0.1",
diff --git a/src/features/layout/AppLayout.tsx b/src/features/layout/AppLayout.tsx
index 170c776..6d33249 100644
--- a/src/features/layout/AppLayout.tsx
+++ b/src/features/layout/AppLayout.tsx
@@ -90,7 +90,7 @@ export function AppTopbar({
     <header className="topbar">
       <div>
         <p className="eyebrow">Lokaler Windows-Assistent</p>
-        <h1>Scanne dein Inventar, triff einfache Artifact-Entscheidungen.</h1>
+        <h1>Inventar scannen, Artifacts entscheiden.</h1>
       </div>
       <div className="topbar-actions">
         {topbarStatus && <span className="topbar-status">{topbarStatus}</span>}
@@ -107,15 +107,6 @@ export function AppTopbar({
           {overlayIcon}
           <span>{overlayButtonLabel}</span>
         </button>
-        <button
-          className="ghost-button"
-          onClick={handleDemoScan}
-          disabled={isDemoDisabled}
-          title={demoButtonTitle}
-        >
-          {demoIcon}
-          {demoButtonLabel}
-        </button>
       </div>
     </header>
   );
diff --git a/src/features/layout/navigation.ts b/src/features/layout/navigation.ts
index 9d1854e..8880a6d 100644
--- a/src/features/layout/navigation.ts
+++ b/src/features/layout/navigation.ts
@@ -1,4 +1,4 @@
-import { Layers3, Radar, Wand2, Eye } from "lucide-react";
+import { Layers3, Radar, Wand2, Eye, Wrench } from "lucide-react";
 import type { AppNavigationItem } from "./types";
 
 export const appNavigationItems: AppNavigationItem[] = [
@@ -6,5 +6,6 @@ export const appNavigationItems: AppNavigationItem[] = [
   { id: "triage", label: "Triage", icon: Layers3 },
   { id: "builds", label: "Builds", icon: Wand2 },
   { id: "overlay", label: "Overlay", icon: Eye },
+  { id: "diagnose", label: "Diagnose", icon: Wrench },
 ];
 
diff --git a/src/features/layout/types.ts b/src/features/layout/types.ts
index 74ce470..5b6e564 100644
--- a/src/features/layout/types.ts
+++ b/src/features/layout/types.ts
@@ -1,7 +1,7 @@
 import { type ComponentType, type ReactNode } from "react";
 import type { LucideProps } from "lucide-react";
 
-export type NavigationId = "scan" | "triage" | "builds" | "overlay";
+export type NavigationId = "scan" | "triage" | "builds" | "overlay" | "diagnose";
 
 export interface AppNavigationItem {
   id: NavigationId;
diff --git a/src/features/scan/ScanView.tsx b/src/features/scan/ScanView.tsx
index 26b391f..54eca1e 100644
--- a/src/features/scan/ScanView.tsx
+++ b/src/features/scan/ScanView.tsx
@@ -1,9 +1,29 @@
-import { ScanViewLayout } from "./components/ScanViewLayout";
+import { ScanViewLayout } from "./components/ScanViewLayout";
+import { DiagnosticsView } from "./components/DiagnosticsView";
 import { useScanViewController } from "./hooks/useScanViewController";
 import type { ScanViewProps } from "./types";
 
-export function ScanView(props: ScanViewProps) {
+interface ScanViewExtraProps {
+  /** "workspace" shows the clean scan surface; "diagnose" shows all dev info. */
+  mode?: "workspace" | "diagnose";
+  onDemoScan?: () => void;
+  canDemoScan?: boolean;
+}
+
+export function ScanView({ mode = "workspace", onDemoScan, canDemoScan, ...props }: ScanViewProps & ScanViewExtraProps) {
   const controller = useScanViewController(props);
 
+  if (mode === "diagnose") {
+    return (
+      <DiagnosticsView
+        controller={controller}
+        latestCapture={props.latestCapture}
+        captureStatus={props.captureStatus}
+        onDemoScan={onDemoScan}
+        canDemoScan={canDemoScan}
+      />
+    );
+  }
+
   return <ScanViewLayout {...props} controller={controller} />;
 }
diff --git a/src/features/scan/components/DiagnosticsView.tsx b/src/features/scan/components/DiagnosticsView.tsx
new file mode 100644
index 0000000..ebbb992
--- /dev/null
+++ b/src/features/scan/components/DiagnosticsView.tsx
@@ -0,0 +1,203 @@
+import { AlertTriangle, Play, Wrench } from "lucide-react";
+import type { CaptureResult } from "../../../types/global";
+import type { ScanViewControllerResult } from "../types";
+import { FieldConfidenceList } from "./ScanResultCards";
+import { useScanDiagnosticsModalModel } from "./modals/hooks/useScanDiagnosticsModalModel";
+import { useScanDetailsModalModel } from "./modals/hooks/useScanDetailsModalModel";
+
+interface DiagnosticsViewProps {
+  controller: ScanViewControllerResult;
+  latestCapture: CaptureResult | null;
+  captureStatus: string;
+  onDemoScan?: () => void;
+  canDemoScan?: boolean;
+}
+
+// All developer / diagnostic surfaces live here, separated from the Scan
+// workspace: runtime + rights, grid detection, learning + data-package status,
+// fingerprint, auto-scan counters, the automation log, and the raw crop/OCR/
+// confidence dump. Read-only; it drives no scan action except the demo snapshot.
+export function DiagnosticsView({ controller, latestCapture, captureStatus, onDemoScan, canDemoScan }: DiagnosticsViewProps) {
+  const {
+    statusTitle,
+    rightsClassName,
+    rightsValue,
+    genshinClassName,
+    genshinValue,
+    shouldShowAdminBanner,
+    gridSourceClass,
+    gridMainValue,
+    gridMetaValue,
+    learningRulesText,
+    learningRulesSubtext,
+    autoScanModeLabel,
+    fingerprintText,
+    runtimeRows,
+    scanLimitText,
+    autoScanStatsLines,
+    playerProgress,
+    reviewStatus,
+    automationLogLines,
+    canSaveReviewSample,
+    handleSaveReviewSample,
+  } = useScanDiagnosticsModalModel({
+    setDetailsOpen: controller.setDetailsOpen,
+    setDiagnosticsOpen: controller.setDiagnosticsOpen,
+    saveReviewSample: controller.saveReviewSample,
+    canSaveReviewSample: controller.canSaveReviewSample,
+    latestCapture,
+    controller,
+    captureStatus,
+  });
+
+  const { parsedNotes, showParsedNotes, cropRows, ocrRows, debugText, showCrops, showOcr } = useScanDetailsModalModel({
+    setDetailsOpen: controller.setDetailsOpen,
+    parsedArtifact: controller.parsedArtifact,
+    latestCapture,
+  });
+
+  return (
+    <section className="diagnose-view">
+      <div className="diagnose-header">
+        <div>
+          <p className="eyebrow">Diagnose &amp; Dev</p>
+          <h2>Laufzeit, Erkennung &amp; Rohdaten</h2>
+        </div>
+        <div className="diagnose-header-actions">
+          <button className="ghost-button" onClick={controller.toggleDevMode}>
+            <Wrench size={15} />
+            {statusTitle}
+          </button>
+          {onDemoScan && (
+            <button className="ghost-button" onClick={onDemoScan} disabled={!canDemoScan}>
+              <Play size={15} />
+              Demo-Daten laden
+            </button>
+          )}
+        </div>
+      </div>
+
+      <div className="diagnose-grid">
+        <div className="diagnose-card">
+          <p className="eyebrow">Status</p>
+          <div className="scanner-preflight diagnostics-preflight">
+            <div className={rightsClassName}>
+              <span>App-Rechte</span>
+              <strong>{rightsValue}</strong>
+            </div>
+            <div className={genshinClassName}>
+              <span>Genshin</span>
+              <strong>{genshinValue}</strong>
+            </div>
+          </div>
+          {shouldShowAdminBanner && (
+            <p className="scanner-subcopy">
+              App laeuft im Standard-Modus. Auto-Scan braucht Administrator-Rechte: App schliessen und als Administrator neu starten.
+            </p>
+          )}
+          <div className={`grid-detection-strip ${gridSourceClass}`}>
+            <span>Tile grid</span>
+            <strong>{gridMainValue}</strong>
+            <small>{gridMetaValue}</small>
+          </div>
+          <div className="learning-strip">
+            <span>Learning &amp; Daten</span>
+            <strong>{learningRulesText}</strong>
+            <small>{learningRulesSubtext}</small>
+          </div>
+          <div className="learning-strip">
+            <span>Fingerprint</span>
+            <strong>{fingerprintText}</strong>
+            <small>Aktiver Capture-Fingerprint fuer die Duplikat-Erkennung.</small>
+          </div>
+        </div>
+
+        <div className="diagnose-card">
+          <p className="eyebrow">{autoScanModeLabel}</p>
+          {playerProgress.show ? (
+            <div className="auto-scan-strip">
+              {autoScanStatsLines.map((entry) => (
+                <span className="auto-scan-stat" key={entry.label}>
+                  <strong>{entry.value}</strong>
+                  <small>{entry.label}</small>
+                </span>
+              ))}
+            </div>
+          ) : (
+            <p className="result-empty">Noch keine Scan-Aktivitaet.</p>
+          )}
+          <p className="scanner-result-caption">{scanLimitText}</p>
+          <div className="scanner-status-row diagnostics-status">
+            {runtimeRows.map((row) => (
+              <span key={row}>{row}</span>
+            ))}
+          </div>
+          {reviewStatus && <p className="review-status">{reviewStatus}</p>}
+        </div>
+      </div>
+
+      <div className="diagnose-card">
+        <p className="eyebrow">Automation log</p>
+        <div className="automation-log-lines">
+          {automationLogLines.length > 0 ? (
+            automationLogLines.map((line, index) => <span key={`${index}-${line}`}>{line}</span>)
+          ) : (
+            <strong>Keine Scan-Aktivitaet.</strong>
+          )}
+        </div>
+      </div>
+
+      <div className="diagnose-card">
+        <div className="diagnose-card-heading">
+          <p className="eyebrow">Crops, OCR &amp; Confidence</p>
+          <button className="ghost-button" onClick={handleSaveReviewSample} disabled={!canSaveReviewSample}>
+            <AlertTriangle size={15} />
+            Review-Sample speichern
+          </button>
+        </div>
+        {controller.parsedArtifact ? (
+          <>
+            <FieldConfidenceList parsedArtifact={controller.parsedArtifact} />
+            {showParsedNotes && (
+              <div className="parsed-notes compact">
+                {parsedNotes.map((note) => (
+                  <span key={note}>{note}</span>
+                ))}
+              </div>
+            )}
+          </>
+        ) : (
+          <p className="result-empty">Noch kein Artifact gelesen. Lies ein Artifact im Scan-Tab, um Crops und OCR zu sehen.</p>
+        )}
+        {showCrops && (
+          <div className="crop-grid details-grid">
+            {cropRows.map((crop) => (
+              <div className="crop-card" key={crop.id}>
+                <img src={crop.dataUrl} alt={crop.label} />
+                <div>
+                  <strong>{crop.label}</strong>
+                  <span>{crop.x},{crop.y} - {crop.width}x{crop.height}</span>
+                </div>
+              </div>
+            ))}
+          </div>
+        )}
+        {showOcr && (
+          <div className="ocr-panel">
+            <strong>OCR candidates</strong>
+            {ocrRows.map((entry) => (
+              <div className="ocr-row" key={entry.id}>
+                <div>
+                  <span>{entry.label}</span>
+                  <small>{entry.confidence}% confidence</small>
+                </div>
+                <pre>{entry.text}</pre>
+              </div>
+            ))}
+          </div>
+        )}
+        {latestCapture && <p className="capture-debug">{debugText}</p>}
+      </div>
+    </section>
+  );
+}
diff --git a/src/features/scan/components/ScanMainSection.tsx b/src/features/scan/components/ScanMainSection.tsx
index 600f9b4..0246328 100644
--- a/src/features/scan/components/ScanMainSection.tsx
+++ b/src/features/scan/components/ScanMainSection.tsx
@@ -1,4 +1,4 @@
-import { AlertTriangle, Camera, Eye } from "lucide-react";
+import { AlertTriangle, Camera } from "lucide-react";
 import { ArtifactResultCard } from "./ScanResultCards";
 import { useScanMainSectionModel } from "./hooks/useScanMainSectionModel";
 import type { ScanMainSectionProps } from "./types";
@@ -63,9 +63,7 @@ export function ScanMainSection({
         </div>
         <div className="capture-stage-meta">
           <div><span>Quelle</span><strong>{sourceLabel}</strong></div>
-          <div><span>Grid</span><strong>{gridLabel}</strong></div>
           <div><span>Inventar</span><strong>{inventoryLabel}</strong></div>
-          <div><span>Modus</span><strong>{captureModeText}</strong></div>
         </div>
       </div>
 
@@ -81,17 +79,8 @@ export function ScanMainSection({
           <span>{targetLabel}</span>
           <span>{dbLabel}</span>
           <span>{reviewLabel}</span>
-          <span>{rulesLabel}</span>
         </div>
         <div className="scanner-result-actions">
-          <button
-            className="ghost-button"
-            onClick={handleOpenDetails}
-            disabled={!canOpenDetails}
-          >
-            <Eye size={15} />
-            Details
-          </button>
           <button className="ghost-button" onClick={handleOpenReviewQueue} disabled={autoScanRunning || !canOpenReviewQueue}>
             <AlertTriangle size={15} />
             Review Queue
diff --git a/src/features/scan/components/ScanModalsSection.tsx b/src/features/scan/components/ScanModalsSection.tsx
index 71378c3..05eb022 100644
--- a/src/features/scan/components/ScanModalsSection.tsx
+++ b/src/features/scan/components/ScanModalsSection.tsx
@@ -1,46 +1,27 @@
-import { ScanDiagnosticsModal } from "./modals/ScanDiagnosticsModal";
 import { ScanSettingsModal } from "./modals/ScanSettingsModal";
-import { ScanDetailsModal } from "./modals/ScanDetailsModal";
 import { ScanReviewQueueModal } from "./modals/ScanReviewQueueModal";
 import { ScanSummaryModal } from "./modals/ScanSummaryModal";
 import type { ScanModalsSectionProps } from "./types";
 
+// Diagnostics + crop/OCR details moved to the dedicated Diagnose view; only the
+// core workspace modals live here.
 export function ScanModalsSection({
-  captureStatus,
   latestCapture,
-  diagnosticsOpen,
   settingsOpen,
-  detailsOpen,
   reviewQueueOpen,
   controller,
-  setDiagnosticsOpen,
   setSettingsOpen,
-  setDetailsOpen,
   setReviewQueueOpen,
   setScanSummary,
 }: ScanModalsSectionProps) {
   return (
     <>
-      <ScanDiagnosticsModal
-        open={diagnosticsOpen}
-        captureStatus={captureStatus}
-        latestCapture={latestCapture}
-        controller={controller}
-        setDetailsOpen={setDetailsOpen}
-        setDiagnosticsOpen={setDiagnosticsOpen}
-      />
       <ScanSettingsModal
         open={settingsOpen}
         latestCapture={latestCapture}
         controller={controller}
         setSettingsOpen={setSettingsOpen}
       />
-      <ScanDetailsModal
-        open={detailsOpen}
-        latestCapture={latestCapture}
-        controller={controller}
-        setDetailsOpen={setDetailsOpen}
-      />
       <ScanReviewQueueModal
         open={reviewQueueOpen}
         controller={controller}
diff --git a/src/features/scan/components/ScanTopControlsSection.tsx b/src/features/scan/components/ScanTopControlsSection.tsx
index 94c3557..cae02fe 100644
--- a/src/features/scan/components/ScanTopControlsSection.tsx
+++ b/src/features/scan/components/ScanTopControlsSection.tsx
@@ -5,7 +5,6 @@ import {
   Radar,
   RefreshCw,
   SlidersHorizontal,
-  Wrench,
 } from "lucide-react";
 import type { ScanTopControlsSectionProps } from "./types";
 import { useScanTopControlsModel } from "./hooks/useScanTopControlsModel";
@@ -66,7 +65,7 @@ export function ScanTopControlsSection({
         <div>
           <p className="eyebrow">Scanner</p>
           <h2>Artifact capture workspace</h2>
-          <p className="scanner-subcopy">Grosse Vorschau vorn, klare Aktionen oben, Diagnose und Review nur bei Bedarf.</p>
+          <p className="scanner-subcopy">Quelle waehlen, Auto-Scan starten, Ergebnis rechts pruefen. Dev-Details im Diagnose-Tab.</p>
         </div>
         <div className="scanner-header-pills">
           <span className={`runtime-pill ${bridgePillClass}`}>{bridgeStatusText}</span>
@@ -118,15 +117,6 @@ export function ScanTopControlsSection({
             <SlidersHorizontal size={15} />
             Scan-Setup
           </button>
-          <button
-            className="ghost-button dev-toggle"
-            onClick={openDiagnostics}
-            disabled={!bridgeReady}
-            title={diagnosticsButtonTitle}
-          >
-            <Wrench size={15} />
-            Scanner Diagnose
-          </button>
         </div>
 
         <div className="player-scan-actions">
diff --git a/src/features/scan/components/modals/ScanDetailsModal.tsx b/src/features/scan/components/modals/ScanDetailsModal.tsx
deleted file mode 100644
index 30b2d53..0000000
--- a/src/features/scan/components/modals/ScanDetailsModal.tsx
+++ /dev/null
@@ -1,83 +0,0 @@
-import { FieldConfidenceList } from "../ScanResultCards";
-import type { ScanDetailsModalProps } from "./types";
-import { useScanDetailsModalModel } from "./hooks/useScanDetailsModalModel";
-
-export function ScanDetailsModal({
-  open,
-  latestCapture,
-  controller,
-  setDetailsOpen,
-}: ScanDetailsModalProps) {
-  const { parsedArtifact } = controller;
-  const {
-    closeDetails,
-    stopPropagation,
-    parsedNotes,
-    showParsedNotes,
-    cropRows,
-    ocrRows,
-    debugText,
-    showCrops,
-    showOcr,
-  } = useScanDetailsModalModel({
-    setDetailsOpen,
-    parsedArtifact,
-    latestCapture,
-  });
-
-  if (!open || !latestCapture) return null;
-
-  return (
-    <div className="modal-backdrop" role="presentation" onClick={closeDetails}>
-      <div className="modal-panel" role="dialog" aria-modal="true" onClick={stopPropagation}>
-        <div className="modal-header">
-          <div>
-            <p className="eyebrow">Dev</p>
-            <h2>Crops, OCR & Confidence</h2>
-          </div>
-          <button className="ghost-button" onClick={closeDetails}>Schliessen</button>
-        </div>
-        <div className="modal-body">
-          {parsedArtifact && (
-            <>
-              <FieldConfidenceList parsedArtifact={parsedArtifact} />
-              {showParsedNotes && (
-                <div className="parsed-notes compact">
-                  {parsedNotes.map((note) => <span key={note}>{note}</span>)}
-                </div>
-              )}
-            </>
-          )}
-          {showCrops && (
-            <div className="crop-grid details-grid">
-              {cropRows.map((crop) => (
-                <div className="crop-card" key={crop.id}>
-                  <img src={crop.dataUrl} alt={crop.label} />
-                  <div>
-                    <strong>{crop.label}</strong>
-                    <span>{crop.x},{crop.y} - {crop.width}x{crop.height}</span>
-                  </div>
-                </div>
-              ))}
-            </div>
-          )}
-          {showOcr && (
-            <div className="ocr-panel">
-              <strong>OCR candidates</strong>
-              {ocrRows.map((entry) => (
-                <div className="ocr-row" key={entry.id}>
-                  <div>
-                    <span>{entry.label}</span>
-                    <small>{entry.confidence}% confidence</small>
-                  </div>
-                  <pre>{entry.text}</pre>
-                </div>
-              ))}
-            </div>
-          )}
-          <p className="capture-debug">{debugText}</p>
-        </div>
-      </div>
-    </div>
-  );
-}
diff --git a/src/features/scan/components/modals/ScanDiagnosticsModal.tsx b/src/features/scan/components/modals/ScanDiagnosticsModal.tsx
deleted file mode 100644
index 45bfe6b..0000000
--- a/src/features/scan/components/modals/ScanDiagnosticsModal.tsx
+++ /dev/null
@@ -1,172 +0,0 @@
-import { AlertTriangle, Eye, Wrench } from "lucide-react";
-import type { ScanDiagnosticsModalProps } from "./types";
-import { useScanDiagnosticsModalModel } from "./hooks/useScanDiagnosticsModalModel";
-
-export function ScanDiagnosticsModal({
-  open,
-  captureStatus,
-  latestCapture,
-  controller,
-  setDetailsOpen,
-  setDiagnosticsOpen,
-}: ScanDiagnosticsModalProps) {
-  const {
-    toggleDevMode,
-  } = controller;
-
-  const {
-    closeDiagnostics,
-    openDetails,
-    handleSaveReviewSample,
-    stopPropagation,
-    canOpenDetails,
-    statusTitle,
-    rightsClassName,
-    rightsValue,
-    genshinClassName,
-    genshinValue,
-    shouldShowAdminBanner,
-    gridSourceClass,
-    gridMainValue,
-    gridMetaValue,
-    learningRulesText,
-    learningRulesSubtext,
-    autoScanModeLabel,
-    autoScanRunning,
-    fingerprintText,
-    runtimeRows,
-    scanLimitText,
-    scanTipText,
-    autoScanStatsLines,
-    playerProgress,
-    showDevRows,
-    reviewStatus,
-    automationLogLines,
-    canSaveReviewSample,
-  } = useScanDiagnosticsModalModel({
-    setDetailsOpen,
-    setDiagnosticsOpen,
-    saveReviewSample: controller.saveReviewSample,
-    canSaveReviewSample: controller.canSaveReviewSample,
-    latestCapture,
-    controller,
-    captureStatus,
-  });
-
-  if (!open) return null;
-
-  return (
-    <div className="modal-backdrop" role="presentation" onClick={closeDiagnostics}>
-      <div className="modal-panel scanner-diagnostics-modal" role="dialog" aria-modal="true" onClick={stopPropagation}>
-        <div className="modal-header">
-          <div>
-            <p className="eyebrow">Scanner Diagnose</p>
-            <h2>Input, Grid & Lernstatus</h2>
-          </div>
-          <button className="ghost-button" onClick={closeDiagnostics}>Schliessen</button>
-        </div>
-        <div className="modal-body">
-          <div className="diagnostics-actions">
-            <button className="ghost-button" onClick={toggleDevMode}>
-              <Wrench size={15} />
-              {statusTitle}
-            </button>
-          </div>
-
-          <div className="scanner-preflight diagnostics-preflight">
-            <div className={rightsClassName}>
-              <span>App-Rechte</span>
-              <strong>{rightsValue}</strong>
-            </div>
-            <div className={genshinClassName}>
-              <span>Genshin</span>
-              <strong>{genshinValue}</strong>
-            </div>
-          </div>
-          {shouldShowAdminBanner && (
-            <p className="scanner-subcopy">
-              App laeuft im Standard-Modus. Auto-Scan braucht Administrator-Rechte: App schliessen und als Administrator neu starten (z.B. Terminal per Rechtsklick "Als Administrator ausfuehren" und darin "npm run dev").
-            </p>
-          )}
-
-          <div className={`grid-detection-strip ${gridSourceClass}`}>
-            <span>Tile grid</span>
-            <strong>{gridMainValue}</strong>
-            <small>{gridMetaValue}</small>
-          </div>
-
-          <div className="learning-strip">
-            <span>Learning</span>
-            <strong>{learningRulesText}</strong>
-            <small>{learningRulesSubtext}</small>
-          </div>
-
-          {playerProgress.show && (
-            <div className="auto-scan-strip">
-              <span>{autoScanModeLabel}</span>
-              {autoScanStatsLines.map((entry) => (
-                <span className="auto-scan-stat" key={entry.label}>
-                  <strong>{entry.value}</strong>
-                  <small>{entry.label}</small>
-                </span>
-              ))}
-            </div>
-          )}
-
-          <div className="learning-strip">
-            <span>Fingerprint</span>
-            <strong>{fingerprintText}</strong>
-            <small>Active capture fingerprint used for deterministic duplicate guard checks.</small>
-          </div>
-
-          {showDevRows && (
-            <div className="scanner-status-row diagnostics-status">
-              {runtimeRows.map((row) => (
-                <span key={row}>{row}</span>
-              ))}
-            </div>
-          )}
-
-          {autoScanRunning && playerProgress.show && (
-            <div className="player-progress">
-              <div className="player-progress-bar">
-                <div style={{ width: `${playerProgress.width}%` }} />
-              </div>
-            </div>
-          )}
-
-          {reviewStatus && (
-            <p className="review-status">{reviewStatus}</p>
-          )}
-
-          <div className="automation-log">
-            <span>Automation</span>
-            <div className="automation-log-lines">
-              {automationLogLines.length > 0 ? (
-                automationLogLines.map((line, index) => (
-                  <span key={`${index}-${line}`}>{line}</span>
-                ))
-              ) : (
-                <strong>No scan activity yet.</strong>
-              )}
-            </div>
-          </div>
-
-          <div className="dev-section-actions">
-            <button className="ghost-button" onClick={openDetails} disabled={!canOpenDetails}>
-              <Eye size={15} />
-              Crops, OCR & Confidence
-            </button>
-            <button className="ghost-button" onClick={handleSaveReviewSample} disabled={!canSaveReviewSample}>
-              <AlertTriangle size={15} />
-              Review-Sample speichern
-            </button>
-          </div>
-
-          <p className="scanner-result-caption">{scanLimitText}</p>
-          <p className="scan-summary-copy">{scanTipText}</p>
-        </div>
-      </div>
-    </div>
-  );
-}
diff --git a/src/pages/app/AppPageLayout.tsx b/src/pages/app/AppPageLayout.tsx
index e9648bd..483add4 100644
--- a/src/pages/app/AppPageLayout.tsx
+++ b/src/pages/app/AppPageLayout.tsx
@@ -53,9 +53,12 @@ export function AppPageLayout({ controller }: AppPageLayoutProps) {
             overlayIcon={<Eye size={16} />}
             demoIcon={<Play size={16} />}
           />
-          <AppMetrics metricCards={metricCards} />
-          {activeView === "scan" && (
+          {activeView !== "diagnose" && <AppMetrics metricCards={metricCards} />}
+          {(activeView === "scan" || activeView === "diagnose") && (
             <ScanView
+              mode={activeView === "diagnose" ? "diagnose" : "workspace"}
+              onDemoScan={handleDemoScan}
+              canDemoScan={!isScanning}
               isScanning={isScanning}
               snapshot={snapshot}
               captureSources={captureSources}
diff --git a/src/styles/global.css b/src/styles/global.css
index 96fbc0c..b2342af 100644
--- a/src/styles/global.css
+++ b/src/styles/global.css
@@ -2182,3 +2182,57 @@ button:disabled {
   }
 }
 
+/* Diagnose / Dev view — all developer info, separated from the Scan workspace. */
+.diagnose-view {
+  display: grid;
+  gap: 14px;
+  width: 100%;
+}
+
+.diagnose-header {
+  display: flex;
+  align-items: flex-start;
+  justify-content: space-between;
+  gap: 12px;
+  flex-wrap: wrap;
+}
+
+.diagnose-header-actions {
+  display: flex;
+  gap: 8px;
+  flex-wrap: wrap;
+}
+
+.diagnose-grid {
+  display: grid;
+  grid-template-columns: 1fr 1fr;
+  gap: 14px;
+}
+
+.diagnose-card {
+  display: grid;
+  gap: 10px;
+  align-content: start;
+  border: 1px solid var(--line);
+  border-radius: 8px;
+  background:
+    linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.015)),
+    rgba(18, 12, 35, 0.7);
+  box-shadow: var(--glass-shadow);
+  backdrop-filter: blur(18px);
+  padding: 16px;
+}
+
+.diagnose-card-heading {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  gap: 12px;
+}
+
+@media (max-width: 1200px) {
+  .diagnose-grid {
+    grid-template-columns: 1fr;
+  }
+}
+