cache warming

frontend/package-lock.json

@@ -8,6 +8,7 @@
       "name": "papercrate-frontend",
       "version": "0.1.0",
       "dependencies": {
+        "@fontsource/inter": "^5.2.8",
         "@tabler/icons-react": "3.11.0",
         "axios": "1.7.7",
         "react": "18.3.1",
@@ -1852,6 +1853,15 @@
         "node": ">=10.0.0"
       }
     },
+    "node_modules/@fontsource/inter": {
+      "version": "5.2.8",
+      "resolved": "https://registry.npmjs.org/@fontsource/inter/-/inter-5.2.8.tgz",
+      "integrity": "sha512-P6r5WnJoKiNVV+zvW2xM13gNdFhAEpQ9dQJHt3naLvfg+LkF2ldgSLiF4T41lf1SQCM9QmkqPTn4TH568IRagg==",
+      "license": "OFL-1.1",
+      "funding": {
+        "url": "https://github.com/sponsors/ayuhito"
+      }
+    },
     "node_modules/@jridgewell/gen-mapping": {
       "version": "0.3.13",
       "resolved": "https://registry.npmjs.org/@jridgewell/gen-mapping/-/gen-mapping-0.3.13.tgz",

frontend/package.json

@@ -9,6 +9,7 @@
     "lint": "echo \"No linting configured\""
   },
   "dependencies": {
+    "@fontsource/inter": "^5.2.8",
     "@tabler/icons-react": "3.11.0",
     "axios": "1.7.7",
     "react": "18.3.1",
@@ -19,6 +20,7 @@
     "@babel/core": "7.26.0",
     "@babel/preset-env": "7.26.0",
     "@babel/preset-react": "7.26.3",
+    "@svgr/webpack": "8.1.0",
     "babel-loader": "9.2.1",
     "css-loader": "7.1.2",
     "dotenv": "16.4.5",
@@ -26,7 +28,6 @@
     "style-loader": "4.0.0",
     "webpack": "5.95.0",
     "webpack-cli": "5.1.4",
-    "webpack-dev-server": "5.1.0",
+    "webpack-dev-server": "5.1.0"
-    "@svgr/webpack": "8.1.0"
   }
 }

frontend/src/correspondents/CorrespondentsPanel.jsx

@@ -118,7 +118,7 @@ function CorrespondentsPanel({
   }, []);
 
   return (
-    <section className="correspondents-panel column">
+    <section className="correspondents-panel">
       <div className="column-header">
         <div className="column-header__titles">
           <h2>Correspondents</h2>

frontend/src/detail/DetailPanel.jsx

@@ -1,6 +1,15 @@
-import React, { useCallback, useEffect, useMemo, useState } from 'react';
+import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { createPortal } from 'react-dom';
-import { DownloadIcon, EditIcon, ArrowLeftIcon, ArrowRightIcon } from '../ui/icons';
+import {
+  DownloadIcon,
+  EditIcon,
+  ArrowLeftIcon,
+  ArrowRightIcon,
+  ChevronsRightIcon,
+  AnalyzeIcon,
+  WindowMaximizeIcon,
+  TextScanIcon,
+} from '../ui/icons';
 import { getTagColorStyle } from '../utils/colors';
 import { formatFileSize } from '../utils/format';
 import { resolveDocumentAssetUrl, createAssetView } from '../asset_manager';
@@ -208,6 +217,7 @@ const PreviewStack = ({
   emptyMessage = 'Preview unavailable',
   onItemActivate,
   onOpenPreview,
+  onZoomPreview,
   activeItemId = null,
 }) => {
   if (!items.length) {
@@ -240,7 +250,11 @@ const PreviewStack = ({
               zIndex: preparedItems.length - index,
               transform,
             }}
-            aria-hidden={hasMultiple && !onItemActivate && !onOpenPreview ? 'true' : undefined}
+            aria-hidden={
+              hasMultiple && !onItemActivate && !onOpenPreview && !onZoomPreview
+                ? 'true'
+                : undefined
+            }
           >
             <img
               src={entry.url}
@@ -248,22 +262,34 @@ const PreviewStack = ({
               className="preview-stack__image"
               onClick={(event) => {
                 event.stopPropagation();
-                if (isFront && onOpenPreview) {
+                if (isFront) {
+                  if (onZoomPreview) {
+                    onZoomPreview(entry);
+                  } else if (onOpenPreview) {
                     onOpenPreview(entry.id);
                   } else if (onItemActivate) {
                     onItemActivate(entry.id);
                   }
+                } else if (onItemActivate) {
+                  onItemActivate(entry.id);
+                }
               }}
               onKeyDown={(event) => {
-                if (!onItemActivate && !onOpenPreview) return;
+                if (!onItemActivate && !onOpenPreview && !onZoomPreview) return;
                 if (event.key === 'Enter' || event.key === ' ') {
                   event.preventDefault();
                   event.stopPropagation();
-                  if (isFront && onOpenPreview) {
+                  if (isFront) {
+                    if (onZoomPreview) {
+                      onZoomPreview(entry);
+                    } else if (onOpenPreview) {
                       onOpenPreview(entry.id);
                     } else {
                       onItemActivate?.(entry.id);
                     }
+                  } else {
+                    onItemActivate?.(entry.id);
+                  }
                 }
               }}
             />
@@ -297,9 +323,24 @@ const DetailPanel = ({
   onCorrespondentAdd,
   onCorrespondentRemove,
   resolveApiPath,
+  onClose = () => {},
 }) => {
   const selectedCount = selectedDocuments.length;
   const singleDoc = selectedCount === 1 ? selectedDocuments[0] : null;
+  const singleDocId = singleDoc?.id || null;
+  const selectionKey = useMemo(
+    () => selectedDocuments.map((doc) => doc?.id ?? '').join('|'),
+    [selectedDocuments],
+  );
+
+  const singleDownloadHref = useMemo(() => {
+    if (!singleDoc) return null;
+    const downloadPath = singleDoc.current_version?.download_path;
+    if (!downloadPath || !resolveApiPath) {
+      return null;
+    }
+    return resolveApiPath(downloadPath);
+  }, [singleDoc, resolveApiPath]);
 
   const [titleEditDocId, setTitleEditDocId] = useState(null);
   const [titleDraft, setTitleDraft] = useState('');
@@ -309,6 +350,36 @@ const DetailPanel = ({
   const [ocrUrl, setOcrUrl] = useState(null);
   const [ocrLoading, setOcrLoading] = useState(false);
   const [ocrError, setOcrError] = useState(null);
+  const [zoomedPreview, setZoomedPreview] = useState(null);
+  const [zoomNative, setZoomNative] = useState(false);
+  const [zoomPan, setZoomPan] = useState({ x: 0, y: 0 });
+  const [isZoomDragging, setIsZoomDragging] = useState(false);
+  const zoomStageRef = useRef(null);
+  const zoomImageMetricsRef = useRef({ naturalWidth: 0, naturalHeight: 0 });
+  const zoomDragRef = useRef(null);
+  const zoomSkipClickRef = useRef(false);
+
+  const clampPan = useCallback(
+    (x, y) => {
+      const stage = zoomStageRef.current;
+      const { naturalWidth, naturalHeight } = zoomImageMetricsRef.current;
+      if (!stage || !naturalWidth || !naturalHeight) {
+        return { x: 0, y: 0 };
+      }
+      const stageRect = stage.getBoundingClientRect();
+      if (stageRect.width <= 0 || stageRect.height <= 0) {
+        return { x: 0, y: 0 };
+      }
+      const imageWidth = zoomNative ? naturalWidth : Math.min(naturalWidth, stageRect.width);
+      const imageHeight = zoomNative ? naturalHeight : Math.min(naturalHeight, stageRect.height);
+      const limitX = Math.max(0, (imageWidth - stageRect.width) / 2);
+      const limitY = Math.max(0, (imageHeight - stageRect.height) / 2);
+      const clampedX = Math.min(Math.max(x, -limitX), limitX);
+      const clampedY = Math.min(Math.max(y, -limitY), limitY);
+      return { x: clampedX, y: clampedY };
+    },
+    [zoomNative],
+  );
 
   useEffect(() => {
     if (!singleDoc) {
@@ -338,6 +409,55 @@ const DetailPanel = ({
     setOcrUrl(null);
   }, [singleDoc?.id]);
 
+  useEffect(() => {
+    setZoomedPreview(null);
+  }, [selectionKey]);
+
+  useEffect(() => {
+    if (!zoomedPreview) {
+      setZoomNative(false);
+      setZoomPan({ x: 0, y: 0 });
+      setIsZoomDragging(false);
+      zoomDragRef.current = null;
+      zoomSkipClickRef.current = false;
+    }
+  }, [zoomedPreview]);
+
+  useEffect(() => {
+    zoomSkipClickRef.current = false;
+    if (zoomNative) {
+      setZoomPan((current) => {
+        const clamped = clampPan(current.x, current.y);
+        if (clamped.x === current.x && clamped.y === current.y) {
+          return current;
+        }
+        return clamped;
+      });
+    } else {
+      setZoomPan({ x: 0, y: 0 });
+      setIsZoomDragging(false);
+      zoomDragRef.current = null;
+    }
+  }, [zoomNative, clampPan]);
+
+  useEffect(() => {
+    if (!zoomNative) {
+      return undefined;
+    }
+    const handleResize = () => {
+      setZoomPan((current) => {
+        const clamped = clampPan(current.x, current.y);
+        if (clamped.x === current.x && clamped.y === current.y) {
+          return current;
+        }
+        return clamped;
+      });
+    };
+    window.addEventListener('resize', handleResize);
+    handleResize();
+    return () => window.removeEventListener('resize', handleResize);
+  }, [zoomNative, clampPan]);
+
   const startTitleEdit = useCallback(() => {
     if (!singleDoc) return;
     setTitleEditDocId(singleDoc.id);
@@ -500,6 +620,7 @@ const DetailPanel = ({
   }, [selectedDocuments]);
 
   const stackTopDocument = stackDocuments[0] || null;
+  const stackTopDocId = stackTopDocument?.id || null;
   const stackPreviewNavigator = useAssetNavigator({
     document: stackTopDocument,
     assetType: 'preview',
@@ -699,15 +820,380 @@ const DetailPanel = ({
     [bulkCorrespondents, onBulkCorrespondentRemove, onCorrespondentRemove, selectedDocuments],
   );
 
+  const openZoomPreview = useCallback((config) => {
+    if (!config) return;
+    setZoomedPreview({
+      mode: config.mode,
+      docId: config.docId ?? null,
+    });
+    setZoomNative(false);
+    setZoomPan({ x: 0, y: 0 });
+    setIsZoomDragging(false);
+    zoomDragRef.current = null;
+    zoomSkipClickRef.current = false;
+    zoomImageMetricsRef.current = { naturalWidth: 0, naturalHeight: 0 };
+  }, []);
+
+  const closeZoomPreview = useCallback(() => {
+    setZoomedPreview(null);
+    setZoomNative(false);
+    setZoomPan({ x: 0, y: 0 });
+    setIsZoomDragging(false);
+    zoomDragRef.current = null;
+    zoomSkipClickRef.current = false;
+    zoomImageMetricsRef.current = { naturalWidth: 0, naturalHeight: 0 };
+  }, []);
+
+  const handleSingleZoom = useCallback(
+    (entry) => {
+      if (!singleHasPreview) return;
+      const targetId = entry?.id ?? singleDocId;
+      if (!targetId) return;
+      openZoomPreview({ mode: 'single', docId: targetId });
+    },
+    [openZoomPreview, singleHasPreview, singleDocId],
+  );
+
+  const handleStackZoom = useCallback(
+    (entry) => {
+      if (!stackTopDocId || entry?.id !== stackTopDocId) return;
+      if (!topHasPreview) return;
+      openZoomPreview({ mode: 'stack', docId: stackTopDocId });
+    },
+    [openZoomPreview, stackTopDocId, topHasPreview],
+  );
+
+  const handleZoomImageLoad = useCallback(
+    (event) => {
+      zoomImageMetricsRef.current = {
+        naturalWidth: event.currentTarget.naturalWidth || 0,
+        naturalHeight: event.currentTarget.naturalHeight || 0,
+      };
+      setZoomPan((current) => {
+        const clamped = clampPan(current.x, current.y);
+        return { x: clamped.x, y: clamped.y };
+      });
+    },
+    [clampPan],
+  );
+
+  const handleZoomImageClick = useCallback(
+    (event) => {
+      event.stopPropagation();
+      if (zoomSkipClickRef.current) {
+        zoomSkipClickRef.current = false;
+        return;
+      }
+
+      if (!zoomNative) {
+        const stage = zoomStageRef.current;
+        const { naturalWidth, naturalHeight } = zoomImageMetricsRef.current;
+        if (stage && naturalWidth && naturalHeight) {
+          const stageRect = stage.getBoundingClientRect();
+          const imageRect = event.currentTarget.getBoundingClientRect();
+          const clickX = event.clientX - imageRect.left;
+          const clickY = event.clientY - imageRect.top;
+          const ratioX = imageRect.width ? clickX / imageRect.width : 0.5;
+          const ratioY = imageRect.height ? clickY / imageRect.height : 0.5;
+          const focusX = naturalWidth * ratioX;
+          const focusY = naturalHeight * ratioY;
+          const halfWidth = naturalWidth / 2;
+          const halfHeight = naturalHeight / 2;
+          const limitX = Math.max(0, (naturalWidth - stageRect.width) / 2);
+          const limitY = Math.max(0, (naturalHeight - stageRect.height) / 2);
+          let targetPanX = -(focusX - halfWidth);
+          let targetPanY = -(focusY - halfHeight);
+          targetPanX = Math.min(Math.max(targetPanX, -limitX), limitX);
+          targetPanY = Math.min(Math.max(targetPanY, -limitY), limitY);
+          setZoomPan({ x: targetPanX, y: targetPanY });
+        } else {
+          setZoomPan({ x: 0, y: 0 });
+        }
+        setZoomNative(true);
+      } else {
+        setZoomNative(false);
+      }
+    },
+    [zoomNative],
+  );
+
+  const handleZoomImagePointerDown = useCallback(
+    (event) => {
+      if (!zoomNative || event.button !== 0) {
+        return;
+      }
+      event.preventDefault();
+      zoomSkipClickRef.current = false;
+      zoomDragRef.current = {
+        pointerId: event.pointerId,
+        originX: zoomPan.x,
+        originY: zoomPan.y,
+        startX: event.clientX,
+        startY: event.clientY,
+        moved: false,
+      };
+      event.currentTarget.setPointerCapture(event.pointerId);
+    },
+    [zoomNative, zoomPan],
+  );
+
+  const handleZoomImagePointerMove = useCallback(
+    (event) => {
+      const drag = zoomDragRef.current;
+      if (!drag || drag.pointerId !== event.pointerId) {
+        return;
+      }
+      const deltaX = event.clientX - drag.startX;
+      const deltaY = event.clientY - drag.startY;
+      if (!drag.moved && (Math.abs(deltaX) > 2 || Math.abs(deltaY) > 2)) {
+        drag.moved = true;
+        setIsZoomDragging(true);
+      }
+      if (drag.moved) {
+        const clamped = clampPan(drag.originX + deltaX, drag.originY + deltaY);
+        setZoomPan((current) =>
+          current.x === clamped.x && current.y === clamped.y ? current : clamped,
+        );
+      }
+    },
+    [clampPan],
+  );
+
+  const endZoomDrag = useCallback(() => {
+    zoomDragRef.current = null;
+    setIsZoomDragging(false);
+  }, []);
+
+  const handleZoomImagePointerUp = useCallback(
+    (event) => {
+      const drag = zoomDragRef.current;
+      if (!drag || drag.pointerId !== event.pointerId) {
+        return;
+      }
+      event.currentTarget.releasePointerCapture(event.pointerId);
+      zoomSkipClickRef.current = Boolean(drag.moved);
+      endZoomDrag();
+    },
+    [endZoomDrag],
+  );
+
+  const handleZoomImagePointerCancel = useCallback(
+    (event) => {
+      const drag = zoomDragRef.current;
+      if (!drag || drag.pointerId !== event.pointerId) {
+        return;
+      }
+      event.currentTarget.releasePointerCapture(event.pointerId);
+      zoomSkipClickRef.current = true;
+      endZoomDrag();
+    },
+    [endZoomDrag],
+  );
+
+  const zoomDisplay = useMemo(() => {
+    if (!zoomedPreview) {
+      return null;
+    }
+
+    if (
+      zoomedPreview.mode === 'single' &&
+      singleDocId &&
+      singleDoc &&
+      singleHasPreview &&
+      zoomedPreview.docId === singleDocId
+    ) {
+      return {
+        url: singlePreviewNavigator.currentUrl,
+        alt: singleDoc.title || singleDoc.original_name || 'Document preview',
+        canGoPrev:
+          singleEffectiveCardinality > 1 && Boolean(singlePreviewNavigator.canGoPrev),
+        canGoNext:
+          singleEffectiveCardinality > 1 && Boolean(singlePreviewNavigator.canGoNext),
+        goPrev: singlePreviewNavigator.goPrev,
+        goNext: singlePreviewNavigator.goNext,
+      };
+    }
+
+    if (
+      zoomedPreview.mode === 'stack' &&
+      stackTopDocId &&
+      stackTopDocument &&
+      zoomedPreview.docId === stackTopDocId &&
+      topHasPreview
+    ) {
+      return {
+        url: stackPreviewNavigator.currentUrl,
+        alt: stackTopDocument.title || stackTopDocument.original_name || 'Document preview',
+        canGoPrev:
+          topEffectiveCardinality > 1 && Boolean(stackPreviewNavigator.canGoPrev),
+        canGoNext:
+          topEffectiveCardinality > 1 && Boolean(stackPreviewNavigator.canGoNext),
+        goPrev: stackPreviewNavigator.goPrev,
+        goNext: stackPreviewNavigator.goNext,
+      };
+    }
+
+    return null;
+  }, [
+    zoomedPreview,
+    singleDoc,
+    singleDocId,
+    singleHasPreview,
+    singlePreviewNavigator.currentUrl,
+    singlePreviewNavigator.canGoPrev,
+    singlePreviewNavigator.canGoNext,
+    singlePreviewNavigator.goPrev,
+    singlePreviewNavigator.goNext,
+    singleEffectiveCardinality,
+    stackTopDocument,
+    stackTopDocId,
+    topHasPreview,
+    stackPreviewNavigator.currentUrl,
+    stackPreviewNavigator.canGoPrev,
+    stackPreviewNavigator.canGoNext,
+    stackPreviewNavigator.goPrev,
+    stackPreviewNavigator.goNext,
+    topEffectiveCardinality,
+  ]);
+
+  useEffect(() => {
+    if (zoomedPreview && !zoomDisplay) {
+      setZoomedPreview(null);
+    }
+  }, [zoomedPreview, zoomDisplay]);
+
+  const zoomDisplayUrl = zoomDisplay?.url;
+
+  useEffect(() => {
+    if (!zoomDisplayUrl) {
+      return;
+    }
+    setZoomPan((current) => {
+      const clamped = clampPan(current.x, current.y);
+      if (clamped.x === current.x && clamped.y === current.y) {
+        return current;
+      }
+      return clamped;
+    });
+  }, [zoomDisplayUrl, clampPan]);
+
+  useEffect(() => {
+    if (!zoomedPreview) {
+      return undefined;
+    }
+    const handleKeyDown = (event) => {
+      if (event.key === 'Escape') {
+        setZoomedPreview(null);
+        return;
+      }
+      if (event.key === 'ArrowLeft') {
+        event.preventDefault();
+        event.stopPropagation();
+        if (zoomDisplay?.canGoPrev) {
+          zoomDisplay.goPrev?.();
+        }
+        return;
+      }
+      if (event.key === 'ArrowRight') {
+        event.preventDefault();
+        event.stopPropagation();
+        if (zoomDisplay?.canGoNext) {
+          zoomDisplay.goNext?.();
+        }
+      }
+    };
+    window.addEventListener('keydown', handleKeyDown);
+    return () => window.removeEventListener('keydown', handleKeyDown);
+  }, [zoomedPreview, zoomDisplay]);
+
+  useEffect(() => {
+    if (typeof ensureAssetUrl !== 'function') {
+      return;
+    }
+
+    const warmNavigator = (navigator) => {
+      const { documentId, asset, ordinal, canGoPrev, canGoNext } = navigator;
+      if (!documentId || !asset || !Number.isFinite(ordinal)) {
+        return;
+      }
+
+      const requests = [];
+      if (canGoPrev) {
+        const prevOrdinal = Math.max(1, ordinal - 1);
+        requests.push(
+          ensureAssetUrl(documentId, asset, {
+            start: prevOrdinal,
+            limit: 1,
+          }),
+        );
+      }
+      if (canGoNext) {
+        const nextOrdinal = ordinal + 1;
+        requests.push(
+          ensureAssetUrl(documentId, asset, {
+            start: nextOrdinal,
+            limit: 1,
+          }),
+        );
+      }
+
+      requests.forEach((promise) => promise?.catch?.(() => {}));
+    };
+
+    warmNavigator(singlePreviewNavigator);
+    warmNavigator(stackPreviewNavigator);
+  }, [
+    ensureAssetUrl,
+    singlePreviewNavigator.documentId,
+    singlePreviewNavigator.asset,
+    singlePreviewNavigator.ordinal,
+    singlePreviewNavigator.canGoPrev,
+    singlePreviewNavigator.canGoNext,
+    stackPreviewNavigator.documentId,
+    stackPreviewNavigator.asset,
+    stackPreviewNavigator.ordinal,
+    stackPreviewNavigator.canGoPrev,
+    stackPreviewNavigator.canGoNext,
+  ]);
+
+  const zoomImageStyle = useMemo(() => {
+    if (!zoomNative) {
+      return {
+        cursor: 'zoom-in',
+        transform: 'none',
+        maxWidth: '95vw',
+        maxHeight: '95vh',
+      };
+    }
+    const { naturalWidth, naturalHeight } = zoomImageMetricsRef.current;
+    return {
+      cursor: isZoomDragging ? 'grabbing' : 'grab',
+      width: naturalWidth ? `${naturalWidth}px` : 'auto',
+      height: naturalHeight ? `${naturalHeight}px` : 'auto',
+      maxWidth: 'none',
+      maxHeight: 'none',
+      transform: `translate3d(${zoomPan.x}px, ${zoomPan.y}px, 0)`,
+    };
+  }, [zoomNative, zoomPan.x, zoomPan.y, isZoomDragging]);
+
+  const zoomStageClassName = useMemo(
+    () =>
+      [
+        'preview-zoom__stage',
+        zoomNative ? 'preview-zoom__stage--native' : '',
+        isZoomDragging ? 'preview-zoom__stage--dragging' : '',
+      ]
+        .filter(Boolean)
+        .join(' '),
+    [zoomNative, isZoomDragging],
+  );
+
   const renderSingle = () => {
     if (!singleDoc) {
       return <p className="meta">Select a document to view metadata, tags and actions.</p>;
     }
 
     const displayName = singleDoc.title || singleDoc.original_name;
-    const downloadHref = singleDoc.current_version?.download_path
-      ? resolveApiPath?.(singleDoc.current_version.download_path)
-      : null;
     const isEditingTitle = titleEditDocId === singleDoc.id;
     const sizeBytes = Number(singleDoc.current_version?.size_bytes) || 0;
     const sizeLabel = sizeBytes > 0 ? formatFileSize(sizeBytes) : '—';
@@ -743,6 +1229,7 @@ const DetailPanel = ({
             emptyMessage="Preview loading…"
             onItemActivate={handlePreviewActivate}
             onOpenPreview={onOpenPreview}
+            onZoomPreview={handleSingleZoom}
             activeItemId={activePreviewId}
           />
           {hasPreviewImage && (effectiveCardinality > 1 || canGoPrev || canGoNext) ? (
@@ -857,44 +1344,6 @@ const DetailPanel = ({
             {singleDoc.original_name}
           </div>
         </div>
-        <div className="detail-actions">
-          <a
-            className="button-link with-icon"
-            href={downloadHref || '#'}
-            target="_blank"
-            rel="noopener noreferrer"
-            aria-disabled={!downloadHref}
-            onClick={(event) => {
-              if (!downloadHref) {
-                event.preventDefault();
-              }
-            }}
-          >
-            <DownloadIcon className="icon-inline" />
-            <span>Download</span>
-          </a>
-          <button
-            type="button"
-            className="secondary"
-            onClick={() => onOpenPreview(singleDoc.id)}
-          >
-            Open preview
-          </button>
-        <button
-          type="button"
-          className="secondary"
-          onClick={() => onRegenerateThumbnails(singleDoc.id)}
-        >
-          Re-run analysis
-        </button>
-        </div>
-        {hasOcrAsset ? (
-          <div className="detail-ocr-trigger">
-            <button type="button" className="secondary" onClick={openOcrModal}>
-              View OCR text
-            </button>
-          </div>
-        ) : null}
         <TagSection
           title="Tags"
           tags={tagsForDoc.map((tag) => ({
@@ -1002,6 +1451,7 @@ const DetailPanel = ({
             emptyMessage="No previews available."
             onItemActivate={handlePreviewActivate}
             onOpenPreview={onOpenPreview}
+            onZoomPreview={handleStackZoom}
             activeItemId={activePreviewId}
           />
           {topDocIdLocal && topHasPreview && (topCardinalityLocal > 1 || topCanGoPrev || topCanGoNext) ? (
@@ -1074,23 +1524,165 @@ const DetailPanel = ({
           showCount
           className="bulk-correspondents"
         />
-        <button
-          type="button"
-          className="secondary"
-          onClick={() => onBulkReanalyze?.()}
-        >
-          Re-analyze selection
-        </button>
       </>
     );
   };
 
+  const isBulkSelection = selectedCount > 1;
+  const showOcrAction = Boolean(singleDoc && hasOcrAsset);
+
   return (
-    <aside className="detail-panel column">
+    <>
-      <div className="column-body scrollable">
+      <aside className="detail-panel panel">
+        <div className="panel-header">
+          <div className="panel-actions">
+            <button
+              type="button"
+              className="icon-button ghost"
+              onClick={onClose}
+            aria-label="Close detail panel"
+            title="Close detail panel"
+          >
+            <ChevronsRightIcon />
+          </button>
+          <div className="spacer" />
+          {isBulkSelection && onBulkReanalyze ? (
+            <button
+              type="button"
+              className="icon-button ghost"
+              onClick={(event) => {
+                event.stopPropagation();
+                onBulkReanalyze();
+              }}
+              aria-label="Re-run analysis for selection"
+              title="Re-run analysis for selection"
+            >
+              <AnalyzeIcon />
+            </button>
+          ) : null}
+          {singleDoc && singleDownloadHref ? (
+            <a
+              className="icon-button"
+              href={singleDownloadHref}
+              target="_blank"
+              rel="noopener noreferrer"
+              aria-label="Download document"
+              title="Download document"
+              onClick={(event) => event.stopPropagation()}
+            >
+              <DownloadIcon />
+            </a>
+          ) : null}
+          {singleDoc ? (
+            <button
+              type="button"
+              className="icon-button ghost"
+              onClick={(event) => {
+                event.stopPropagation();
+                onOpenPreview(singleDoc.id);
+              }}
+              aria-label="Open preview"
+              title="Open preview"
+              disabled={!singleHasPreview}
+            >
+              <WindowMaximizeIcon />
+            </button>
+          ) : null}
+          {showOcrAction ? (
+            <button
+              type="button"
+              className="icon-button ghost"
+              onClick={(event) => {
+                event.stopPropagation();
+                openOcrModal();
+              }}
+              aria-label="View OCR text"
+              title="View OCR text"
+            >
+              <TextScanIcon />
+            </button>
+          ) : null}
+          {singleDoc ? (
+            <button
+              type="button"
+              className="icon-button ghost"
+              onClick={(event) => {
+                event.stopPropagation();
+                onRegenerateThumbnails(singleDoc.id);
+              }}
+              aria-label="Re-run analysis"
+              title="Re-run analysis"
+            >
+              <AnalyzeIcon />
+            </button>
+          ) : null}
+        </div>
+      </div>
+      <div className="panel-body">
         {selectedCount <= 1 ? renderSingle() : renderBulk()}
       </div>
       </aside>
+      {zoomDisplay?.url
+        ? createPortal(
+            <div
+              className="preview-zoom-backdrop"
+              role="dialog"
+              aria-modal="true"
+              aria-label="Enlarged document preview"
+              onClick={closeZoomPreview}
+            >
+              <div ref={zoomStageRef} className={zoomStageClassName}>
+                <img
+                  src={zoomDisplay.url}
+                  alt={zoomDisplay.alt}
+                  className="preview-zoom__image"
+                  style={zoomImageStyle}
+                  onLoad={handleZoomImageLoad}
+                  onClick={handleZoomImageClick}
+                  onPointerDown={handleZoomImagePointerDown}
+                  onPointerMove={handleZoomImagePointerMove}
+                  onPointerUp={handleZoomImagePointerUp}
+                  onPointerCancel={handleZoomImagePointerCancel}
+                  draggable={false}
+                />
+                {zoomDisplay.canGoPrev || zoomDisplay.canGoNext ? (
+                  <div className="preview-zoom__nav">
+                    <button
+                      type="button"
+                      className="preview-zoom__nav-button"
+                      onClick={(event) => {
+                        event.stopPropagation();
+                        if (zoomDisplay.canGoPrev) {
+                          zoomDisplay.goPrev?.();
+                        }
+                      }}
+                      aria-label="Previous preview"
+                      disabled={!zoomDisplay.canGoPrev}
+                    >
+                      <ArrowLeftIcon />
+                    </button>
+                    <button
+                      type="button"
+                      className="preview-zoom__nav-button"
+                      onClick={(event) => {
+                        event.stopPropagation();
+                        if (zoomDisplay.canGoNext) {
+                          zoomDisplay.goNext?.();
+                        }
+                      }}
+                      aria-label="Next preview"
+                      disabled={!zoomDisplay.canGoNext}
+                    >
+                      <ArrowRightIcon />
+                    </button>
+                  </div>
+                ) : null}
+              </div>
+            </div>,
+            document.body,
+          )
+        : null}
+    </>
   );
 };
 

frontend/src/documents/DocumentsTable.jsx

@@ -1,7 +1,7 @@
 import React, { useCallback, useEffect, useMemo, useRef } from 'react';
 import { getAssetFromVersion, resolveDocumentAssetUrl, createAssetView } from '../asset_manager';
 import { getTagColorStyle } from '../utils/colors';
-import { DownloadIcon, EditIcon, ViewListIcon, ViewGridIcon, FolderIcon } from '../ui/icons';
+import { DownloadIcon, EditIcon, ViewListIcon, ViewGridIcon, FolderIcon, TrashIcon } from '../ui/icons';
 
 const TAG_MIME_TYPES = ['application/x-papercrate-tag', 'text/papercrate-tag'];
 const DEFAULT_GRID_ICON_SIZE = 96;
@@ -263,16 +263,6 @@ const DocumentsTable = ({
     [isTagDragEvent, onDocumentTagDrop],
   );
 
-  const handleGridBackgroundClick = useCallback(
-    (event) => {
-      if (event.target !== event.currentTarget) {
-        return;
-      }
-      onClearSelection?.();
-    },
-    [onClearSelection],
-  );
-
   const showDefaultEmptyState = !showingSearchResults && !subfolders.length && rows.length === 0;
   const showListSearchEmptyState =
     showingSearchResults && rows.length === 0 && !isGridView && !isSearchLoading;
@@ -286,29 +276,7 @@ const DocumentsTable = ({
     >
       <div className="column-header">
         <div className="column-header__titles">
-          <nav className="breadcrumb" aria-label="Folder breadcrumbs">
+          <h2>{currentFolderName}</h2>
-            {breadcrumbs.map((crumb, index) => {
-              const isLast = index === breadcrumbs.length - 1;
-              return (
-                <span key={crumb.id} className="breadcrumb-item">
-                  {isLast ? (
-                    <span className="breadcrumb-current">{crumb.name}</span>
-                  ) : (
-                    <a
-                      href="#"
-                      onClick={(event) => {
-                        event.preventDefault();
-                        onFolderSelect(crumb.id);
-                      }}
-                    >
-                      {crumb.name}
-                    </a>
-                  )}
-                  {!isLast && <span className="breadcrumb-separator">›</span>}
-                </span>
-              );
-            })}
-          </nav>
           {showingSearchResults && (
             <div className="column-subtitle">Search results</div>
           )}
@@ -376,13 +344,22 @@ const DocumentsTable = ({
               onDocumentListKeyDown(event);
             }
           }}
+          onClick={(event) => {
+            if (event.target === event.currentTarget) {
+              onClearSelection?.();
+            }
+          }}
           aria-activedescendant={isGridView ? undefined : activeDescendantId}
         >
           {showDefaultEmptyState ? null : isGridView ? (
             <div
               className="documents-grid"
               role="list"
-              onClick={handleGridBackgroundClick}
+              onClick={(event) => {
+                if (event.target === event.currentTarget) {
+                  onClearSelection?.();
+                }
+              }}
               style={{ '--documents-grid-icon-size': `${gridIconSize}px` }}
             >
               {!showingSearchResults &&
@@ -619,13 +596,20 @@ const DocumentsTable = ({
                         <td className="doc-list__name">
                           <div className="doc-list__name-content">
                             <span>{folder.name}</span>
-                            {folder.id !== 'root' && (
+                          </div>
+                        </td>
+                        <td>Folder</td>
+                        <td>—</td>
+                        <td className="actions">
+                          <div className="action-buttons">
+                            {folder.id !== 'root' && onFolderRename && (
                               <button
                                 type="button"
-                                className="icon-button ghost doc-list__icon-button"
+                                className="icon-button ghost"
+                                title="Rename"
+                                aria-label={`Rename folder ${folder.name}`}
                                 onClick={(event) => {
                                   event.stopPropagation();
-                                  if (!onFolderRename) return;
                                   const nextName = window.prompt('Rename folder', folder.name || '');
                                   if (!nextName) {
                                     return;
@@ -636,27 +620,23 @@ const DocumentsTable = ({
                                   }
                                   onFolderRename(folder.id, trimmed);
                                 }}
-                                title="Rename folder"
-                                aria-label={`Rename folder ${folder.name}`}
                               >
-                                <EditIcon className="doc-list__icon" size={16} />
+                                <EditIcon className="icon-inline" />
                               </button>
                             )}
-                          </div>
-                        </td>
-                        <td>Folder</td>
-                        <td>—</td>
-                        <td className="actions">
                             <button
                               type="button"
                               className="icon-button danger"
+                              title="Delete"
+                              aria-label={`Delete folder ${folder.name}`}
                               onClick={(event) => {
                                 event.stopPropagation();
                                 onFolderDelete(folder.id);
                               }}
                             >
-                            Delete
+                              <TrashIcon className="icon-inline" />
                             </button>
+                          </div>
                         </td>
                       </tr>
                     );
@@ -696,30 +676,6 @@ const DocumentsTable = ({
                         <div className="doc-name">
                           <div className="doc-list__name-content">
                             <span className="doc-name__title">{doc.title || doc.original_name}</span>
-                            <button
-                              type="button"
-                              className="icon-button ghost doc-list__icon-button"
-                              onClick={(event) => {
-                                event.stopPropagation();
-                                if (!onDocumentRename) return;
-                                const nextName = window.prompt(
-                                  'Rename document',
-                                  doc.title || doc.original_name || '',
-                                );
-                                if (!nextName) {
-                                  return;
-                                }
-                                const trimmed = nextName.trim();
-                                if (!trimmed || trimmed === (doc.title || doc.original_name)) {
-                                  return;
-                                }
-                                onDocumentRename(doc.id, trimmed);
-                              }}
-                              title="Rename document"
-                              aria-label={`Rename document ${doc.title || doc.original_name}`}
-                            >
-                              <EditIcon className="doc-list__icon" size={16} />
-                            </button>
                           </div>
                           {(doc.tags || []).length > 0 && (
                             <div className="doc-name__tags">
@@ -788,31 +744,59 @@ const DocumentsTable = ({
                       </td>
                       <td className="actions">
                         <div className="action-buttons">
+                          {onDocumentRename && (
+                            <button
+                              type="button"
+                              className="icon-button ghost"
+                              title="Rename"
+                              aria-label={`Rename document ${doc.title || doc.original_name}`}
+                              onClick={(event) => {
+                                event.stopPropagation();
+                                const nextName = window.prompt(
+                                  'Rename document',
+                                  doc.title || doc.original_name || '',
+                                );
+                                if (!nextName) {
+                                  return;
+                                }
+                                const trimmed = nextName.trim();
+                                if (!trimmed || trimmed === (doc.title || doc.original_name)) {
+                                  return;
+                                }
+                                onDocumentRename(doc.id, trimmed);
+                              }}
+                            >
+                              <EditIcon className="icon-inline" />
+                            </button>
+                          )}
                           {downloadHref ? (
                             <a
-                              className="button-link with-icon"
+                              className="icon-button"
                               href={downloadHref}
                               target="_blank"
                               rel="noopener noreferrer"
+                              title="Download"
+                              aria-label="Download document"
                               onClick={(event) => event.stopPropagation()}
                               onAuxClick={(event) => event.stopPropagation()}
                               onContextMenu={(event) => event.stopPropagation()}
                             >
                               <DownloadIcon className="icon-inline" />
-                              <span>Download</span>
                             </a>
                           ) : (
                             <span className="meta">No download</span>
                           )}
                           <button
                             type="button"
-                            className="danger"
+                            className="icon-button danger"
+                            title="Delete"
+                            aria-label="Delete document"
                             onClick={(event) => {
                               event.stopPropagation();
                               onDocumentDelete?.(doc.id);
                             }}
                           >
-                            Delete
+                            <TrashIcon className="icon-inline" />
                           </button>
                         </div>
                       </td>

frontend/src/index.jsx

@@ -1,3 +1,5 @@
+import '@fontsource/inter/400.css';
+
 import React, {
   useCallback,
   useContext,
@@ -345,6 +347,8 @@ const AppLayout = () => {
   );
   const [loading, setLoading] = useState(false);
   const [isCreateFolderModalOpen, setCreateFolderModalOpen] = useState(false);
+  const [isTagsModalOpen, setTagsModalOpen] = useState(false);
+  const [isCorrespondentsModalOpen, setCorrespondentsModalOpen] = useState(false);
   const [newFolderName, setNewFolderName] = useState('');
   const [createFolderError, setCreateFolderError] = useState('');
   const [creatingFolder, setCreatingFolder] = useState(false);
@@ -366,15 +370,11 @@ const AppLayout = () => {
     const stored = window.localStorage.getItem('papercrate_view_mode');
     return stored === 'grid' ? 'grid' : 'list';
   });
-  const initialRowSelection = routeDocumentId
+  const initialRowSelection = [];
-    ? [resolveDocumentRowKey(routeDocumentId)]
-    : [];
   const [selectedRowKeys, setSelectedRowKeys] = useState(initialRowSelection);
   const [selectionOrder, setSelectionOrder] = useState(initialRowSelection);
-  const [focusedDocumentId, setFocusedDocumentId] = useState(routeDocumentId);
+  const [focusedDocumentId, setFocusedDocumentId] = useState(null);
-  const [focusedRowKey, setFocusedRowKey] = useState(() =>
+  const [focusedRowKey, setFocusedRowKey] = useState(null);
-    routeDocumentId ? resolveDocumentRowKey(routeDocumentId) : null,
-  );
   const tokenRef = useRef(token);
   const refreshPromiseRef = useRef(null);
   const breadcrumbFetchRef = useRef(new Set());
@@ -423,13 +423,9 @@ const AppLayout = () => {
   const documentsRouteMatch = useMatch('/documents');
   const documentsFolderRouteMatch = useMatch('/documents/folder/:folderId');
   const documentsDetailRouteMatch = useMatch('/documents/:documentId');
-  const tagsRouteMatch = useMatch('/tags');
-  const correspondentsRouteMatch = useMatch('/correspondents');
   const isDocumentsRoute = Boolean(
     documentsRouteMatch || documentsFolderRouteMatch || documentsDetailRouteMatch,
   );
-  const isTagsRoute = Boolean(tagsRouteMatch);
-  const isCorrespondentsRoute = Boolean(correspondentsRouteMatch);
   const toggleTagFilter = useCallback((tagId) => {
     if (!tagId) return;
     setActiveTagFilters((previous) =>
@@ -455,6 +451,10 @@ const AppLayout = () => {
     setSearchLoading(false);
   }, []);
 
+  const handleSearchChange = useCallback((value) => {
+    setSearchQuery(value);
+  }, []);
+
   const handleSearchSubmit = useCallback(() => {
     if (!navigate) return;
     const targetFolder = selectedFolder && selectedFolder !== 'root' ? selectedFolder : 'root';
@@ -814,14 +814,7 @@ const AppLayout = () => {
         if (selectionInitializedRef.current) {
           nextDocKeys = previousDocKeys.filter((key) => availableDocKeySet.has(key));
         } else {
-          const filtered = previousDocKeys.filter((key) => availableDocKeySet.has(key));
+          nextDocKeys = previousDocKeys.filter((key) => availableDocKeySet.has(key));
-          if (filtered.length) {
-            nextDocKeys = filtered;
-          } else if (availableDocKeys.length) {
-            nextDocKeys = [availableDocKeys[0]];
-          } else {
-            nextDocKeys = [];
-          }
         }
 
         mergedSelection = [...previousFolderKeys, ...nextDocKeys];
@@ -3682,6 +3675,24 @@ const AppLayout = () => {
     setCreateFolderError('');
   }, [creatingFolder]);
 
+  const openTagsModal = useCallback(() => {
+    setCorrespondentsModalOpen(false);
+    setTagsModalOpen(true);
+  }, []);
+
+  const closeTagsModal = useCallback(() => {
+    setTagsModalOpen(false);
+  }, []);
+
+  const openCorrespondentsModal = useCallback(() => {
+    setTagsModalOpen(false);
+    setCorrespondentsModalOpen(true);
+  }, []);
+
+  const closeCorrespondentsModal = useCallback(() => {
+    setCorrespondentsModalOpen(false);
+  }, []);
+
   const handleCreateFolderSubmit = useCallback(
     async (event) => {
       event.preventDefault();
@@ -3742,6 +3753,31 @@ const AppLayout = () => {
     };
   }, [isCreateFolderModalOpen, closeCreateFolderModal]);
 
+  useEffect(() => {
+    setTagsModalOpen(false);
+    setCorrespondentsModalOpen(false);
+  }, [location.pathname]);
+
+  useEffect(() => {
+    if (!isTagsModalOpen && !isCorrespondentsModalOpen) {
+      return;
+    }
+    const handleKeyDown = (event) => {
+      if (event.key === 'Escape') {
+        event.preventDefault();
+        if (isTagsModalOpen) {
+          closeTagsModal();
+        } else if (isCorrespondentsModalOpen) {
+          closeCorrespondentsModal();
+        }
+      }
+    };
+    window.addEventListener('keydown', handleKeyDown);
+    return () => {
+      window.removeEventListener('keydown', handleKeyDown);
+    };
+  }, [isTagsModalOpen, isCorrespondentsModalOpen, closeTagsModal, closeCorrespondentsModal]);
+
   useEffect(() => {
     if (!token) return undefined;
 
@@ -4442,6 +4478,16 @@ const AppLayout = () => {
     correspondents,
     activeCorrespondentIds: activeCorrespondentFilters,
     onToggleCorrespondentFilter: toggleCorrespondentFilter,
+    appStatus,
+    loading,
+    previewActive,
+    searchQuery,
+    onSearchChange: handleSearchChange,
+    onSearchSubmit: handleSearchSubmit,
+    onSearchClear: clearFilters,
+    isFilterActive,
+    onLogout: handleLogout,
+    status,
   };
 
   const resolveThumbnailUrlForDoc = useCallback(
@@ -4538,6 +4584,7 @@ const AppLayout = () => {
     onCorrespondentAdd: handleCorrespondentAdd,
     onCorrespondentRemove: handleCorrespondentRemove,
     resolveApiPath,
+    onClose: clearDocumentSelection,
   };
 
   const skeuoWorkspaceProps = useMemo(
@@ -4585,7 +4632,6 @@ const AppLayout = () => {
       tags,
       refreshTags,
       handleTagUpdate,
-      handleTagCreate,
       handleTagDelete,
       handleDocumentTagAttach,
       correspondents,
@@ -4610,6 +4656,8 @@ const AppLayout = () => {
       ensurePreviewData,
       notifyApiError,
       resolveApiPath,
+      openTagsModal,
+      openCorrespondentsModal,
     }),
     [
       token,
@@ -4622,7 +4670,6 @@ const AppLayout = () => {
       tags,
       refreshTags,
       handleTagUpdate,
-      handleTagCreate,
       handleTagDelete,
       handleDocumentTagAttach,
       correspondents,
@@ -4647,6 +4694,8 @@ const AppLayout = () => {
       ensurePreviewData,
       notifyApiError,
       resolveApiPath,
+      openTagsModal,
+      openCorrespondentsModal,
     ],
   );
 
@@ -4667,81 +4716,6 @@ const AppLayout = () => {
           active={dropOverlayState.active}
           folderName={dropOverlayState.folderName}
         />
-        <header className="app-bar">
-          <div className="app-bar__main">
-            <div className="app-bar__meta">
-              <h1>Papercrate</h1>
-              <span className="app-bar__hint">
-                {appStatus === 'bootstrapping' && loading
-                  ? 'Loading your library…'
-                  : previewActive
-                  ? 'Viewing document preview. Press ← Back to return to the library.'
-                  : 'Drag files here to upload.'}
-              </span>
-            </div>
-            <div className="app-bar__search">
-              <input
-                type="search"
-                value={searchQuery}
-                onChange={(event) => setSearchQuery(event.target.value)}
-                placeholder="Search documents"
-                aria-label="Search documents"
-                onKeyDown={(event) => {
-                  if (event.key === 'Enter') {
-                    event.preventDefault();
-                    handleSearchSubmit();
-                  }
-                }}
-              />
-              {isFilterActive && (
-                <button
-                  type="button"
-                  className="app-bar__search-clear"
-                  onClick={clearFilters}
-                >
-                  Clear
-                </button>
-              )}
-            </div>
-            <div className="app-bar__right">
-              <div className="app-bar__links">
-                <button
-                  type="button"
-                  className={`app-bar__link${isDocumentsRoute ? ' active' : ''}`}
-                  onClick={() => navigate('/documents')}
-                >
-                  Documents
-                </button>
-                <button
-                  type="button"
-                  className={`app-bar__link${isTagsRoute ? ' active' : ''}`}
-                  onClick={() => navigate('/tags')}
-                >
-                  Tags
-                  <span className="app-bar__link-count">{tags.length}</span>
-                </button>
-                <button
-                  type="button"
-                  className={`app-bar__link${isCorrespondentsRoute ? ' active' : ''}`}
-                  onClick={() => navigate('/correspondents')}
-                >
-                  Correspondents
-                  <span className="app-bar__link-count">{correspondents.length}</span>
-                </button>
-              </div>
-              {status && (
-                <div className="app-bar__status">
-                  <StatusBanner status={status} />
-                </div>
-              )}
-              <div className="app-bar__actions">
-                <button className="secondary" onClick={handleLogout}>
-                  Log out
-                </button>
-              </div>
-            </div>
-          </div>
-        </header>
         <Outlet />
         {isCreateFolderModalOpen && (
           <div
@@ -4791,6 +4765,74 @@ const AppLayout = () => {
             </div>
           </div>
         )}
+        {isTagsModalOpen && (
+          <div
+            className="modal-backdrop"
+            role="presentation"
+            onClick={closeTagsModal}
+          >
+            <div
+              className="modal modal--panel"
+              role="dialog"
+              aria-modal="true"
+              aria-labelledby="tags-modal-title"
+              onClick={(event) => event.stopPropagation()}
+            >
+              <div className="panel-modal__header">
+                <h3 id="tags-modal-title">Manage Tags</h3>
+                <button type="button" className="secondary" onClick={closeTagsModal}>
+                  Close
+                </button>
+              </div>
+              <div className="panel-modal__body">
+                <TagsPanel
+                  tags={tags}
+                  onRefresh={refreshTags}
+                  onCreateTag={handleTagCreate}
+                  onUpdateTag={handleTagUpdate}
+                  onDeleteTag={handleTagDelete}
+                  onNotify={setStatusMessage}
+                />
+              </div>
+            </div>
+          </div>
+        )}
+        {isCorrespondentsModalOpen && (
+          <div
+            className="modal-backdrop"
+            role="presentation"
+            onClick={closeCorrespondentsModal}
+          >
+            <div
+              className="modal modal--panel"
+              role="dialog"
+              aria-modal="true"
+              aria-labelledby="correspondents-modal-title"
+              onClick={(event) => event.stopPropagation()}
+            >
+              <div className="panel-modal__header">
+                <h3 id="correspondents-modal-title">Manage Correspondents</h3>
+                <button
+                  type="button"
+                  className="secondary"
+                  onClick={closeCorrespondentsModal}
+                >
+                  Close
+                </button>
+              </div>
+              <div className="panel-modal__body">
+                <CorrespondentsPanel
+                  correspondents={correspondents}
+                  onRefresh={refreshCorrespondents}
+                  onCreate={handleCorrespondentCreate}
+                  onUpdate={handleCorrespondentUpdate}
+                  onDelete={handleCorrespondentDelete}
+                  onNotify={setStatusMessage}
+                />
+              </div>
+            </div>
+          </div>
+        )}
       </div>
     </AppShellContext.Provider>
   );
@@ -4803,20 +4845,39 @@ const DocumentsRoute = () => {
     detailPanelProps,
     workspaceMode,
     skeuoWorkspaceProps,
+    openTagsModal,
+    openCorrespondentsModal,
   } = useAppShell();
 
+  const sidebarPropsWithActions = useMemo(
+    () => ({
+      ...sidebarProps,
+      onManageTags: openTagsModal,
+      onManageCorrespondents: openCorrespondentsModal,
+    }),
+    [sidebarProps, openTagsModal, openCorrespondentsModal],
+  );
+
   if (workspaceMode === 'skeuo') {
     return (
-      <DocumentsLayout sidebarProps={sidebarProps}>
+      <DocumentsLayout sidebarProps={sidebarPropsWithActions}>
+        <div className="main-content">
           <SkeuomorphicWorkspace {...skeuoWorkspaceProps} />
+        </div>
       </DocumentsLayout>
     );
   }
 
+  const detailHasContent = detailPanelProps.selectedDocuments?.length > 0;
+
   return (
-    <DocumentsLayout sidebarProps={sidebarProps}>
+    <DocumentsLayout sidebarProps={sidebarPropsWithActions}>
+      <div
+        className={`main-content main-content--documents${detailHasContent ? ' main-content--has-detail' : ''}`}
+      >
         <DocumentsTable {...documentsTableProps} />
-      <DetailPanel {...detailPanelProps} />
+        {detailHasContent ? <DetailPanel {...detailPanelProps} /> : null}
+      </div>
     </DocumentsLayout>
   );
 };
@@ -4951,51 +5012,6 @@ const LoginRoute = () => {
   );
 };
 
-function TagsRoute() {
-  const {
-    tags,
-    refreshTags,
-    handleTagUpdate,
-    handleTagDelete,
-    setStatusMessage,
-  } = useAppShell();
-  return (
-    <main className="panels-main">
-      <TagsPanel
-        tags={tags}
-        onRefresh={refreshTags}
-        onUpdateTag={handleTagUpdate}
-        onDeleteTag={handleTagDelete}
-        onNotify={setStatusMessage}
-      />
-    </main>
-  );
-}
-
-function CorrespondentsRoute() {
-  const {
-    correspondents,
-    refreshCorrespondents,
-    handleCorrespondentCreate,
-    handleCorrespondentUpdate,
-    handleCorrespondentDelete,
-    setStatusMessage,
-  } = useAppShell();
-
-  return (
-    <main className="panels-main">
-      <CorrespondentsPanel
-        correspondents={correspondents}
-        onRefresh={refreshCorrespondents}
-        onCreate={handleCorrespondentCreate}
-        onUpdate={handleCorrespondentUpdate}
-        onDelete={handleCorrespondentDelete}
-        onNotify={setStatusMessage}
-      />
-    </main>
-  );
-}
-
 const AppRouter = () => (
   <Routes>
     <Route path="/account/login" element={<LoginRoute />} />
@@ -5004,8 +5020,6 @@ const AppRouter = () => (
       <Route path="/documents" element={<DocumentsRoute />} />
       <Route path="/documents/folder/:folderId" element={<DocumentsRoute />} />
       <Route path="/documents/:documentId" element={<DocumentViewerRoute />} />
-      <Route path="/tags" element={<TagsRoute />} />
-      <Route path="/correspondents" element={<CorrespondentsRoute />} />
       <Route path="*" element={<Navigate to="/documents" replace />} />
     </Route>
   </Routes>

frontend/src/sidebar/Sidebar.jsx

@@ -136,6 +136,18 @@ const Sidebar = ({
   correspondents = [],
   activeCorrespondentIds = [],
   onToggleCorrespondentFilter,
+  onManageTags,
+  onManageCorrespondents,
+  searchQuery = '',
+  onSearchChange,
+  onSearchSubmit,
+  onSearchClear,
+  isFilterActive,
+  appStatus,
+  loading,
+  previewActive,
+  onLogout,
+  status,
 }) => {
   const sortedCorrespondents = useMemo(
     () =>
@@ -150,6 +162,27 @@ const Sidebar = ({
   );
   const handleToggleTag = onToggleTagFilter || (() => {});
   const activeTagSet = new Set(activeTagIds);
+  const handleManageTags = onManageTags || (() => {});
+  const handleManageCorrespondents = onManageCorrespondents || (() => {});
+  const handleSearchInputChange = useCallback(
+    (event) => {
+      onSearchChange?.(event.target.value);
+    },
+    [onSearchChange],
+  );
+  const handleSearchFormSubmit = useCallback(
+    (event) => {
+      event.preventDefault();
+      onSearchSubmit?.();
+    },
+    [onSearchSubmit],
+  );
+  const handleSearchClear = useCallback(() => {
+    onSearchClear?.();
+  }, [onSearchClear]);
+  const handleLogoutClick = useCallback(() => {
+    onLogout?.();
+  }, [onLogout]);
 
   const renderNodes = useCallback(
     (ids, depth) =>
@@ -193,9 +226,39 @@ const Sidebar = ({
   );
 
   const rootNode = folderNodes.get('root');
+  const hintText = appStatus === 'bootstrapping' && loading
+    ? 'Loading your library…'
+    : previewActive
+    ? 'Viewing document preview. Press ← Back to return to the library.'
+    : 'Drag files here to upload.';
 
   return (
-    <aside className="sidebar column">
+    <aside className="sidebar">
+      <div className="sidebar__meta">
+        <h1 className="sidebar__title">Papercrate</h1>
+        <span className="sidebar__hint">{hintText}</span>
+        {onSearchChange && (
+          <form className="sidebar__search" onSubmit={handleSearchFormSubmit}>
+            <input
+              type="search"
+              value={searchQuery}
+              onChange={handleSearchInputChange}
+              placeholder="Search documents"
+              aria-label="Search documents"
+            />
+            {isFilterActive && (
+              <button type="button" onClick={handleSearchClear}>
+                Clear
+              </button>
+            )}
+          </form>
+        )}
+        {status && (
+          <div className="sidebar__status">
+            <div className={`status-banner ${status.variant}`}>{status.message}</div>
+          </div>
+        )}
+      </div>
       <div className="sidebar-section sidebar-section--folders">
         <div className="sidebar-section__header">
           <h3>Folders</h3>
@@ -206,8 +269,14 @@ const Sidebar = ({
       </div>
       <div className="sidebar-section">
         <div className="sidebar-section__header">
+          <button
+            type="button"
+            className="sidebar-section__title"
+            onClick={handleManageTags}
+          >
             <h3>Tags</h3>
             <span className="meta">{tags.length}</span>
+          </button>
         </div>
         <div
           className={`sidebar-tag-cloud${
@@ -215,8 +284,7 @@ const Sidebar = ({
           }`}
           role="list"
         >
-          {tags.length ? (
+          {tags.map((tag) => {
-            tags.map((tag) => {
             const isActive = activeTagSet.has(tag.id);
             const style = getTagColorStyle(tag.color);
             const className = `sidebar-tag-pill${isActive ? ' active' : ''}`;
@@ -249,20 +317,22 @@ const Sidebar = ({
                 {tag.label}
               </button>
             );
-            })
+          })}
-          ) : (
-            <span className="meta">No tags yet</span>
-          )}
         </div>
       </div>
       <div className="sidebar-section">
         <div className="sidebar-section__header">
+          <button
+            type="button"
+            className="sidebar-section__title"
+            onClick={handleManageCorrespondents}
+          >
             <h3>Correspondents</h3>
             <span className="meta">{correspondents.length}</span>
+          </button>
         </div>
         <ul className="sidebar-correspondent-list">
-          {sortedCorrespondents.length ? (
+          {sortedCorrespondents.map((correspondent) => {
-            sortedCorrespondents.map((correspondent) => {
             const isActive = activeCorrespondentSet.has(correspondent.id);
             const className = `sidebar-correspondent-item${isActive ? ' active' : ''}`;
             const label = correspondent.name || 'Unnamed';
@@ -287,12 +357,14 @@ const Sidebar = ({
                 </span>
               </li>
             );
-            })
+          })}
-          ) : (
-            <li className="meta">No correspondents yet</li>
-          )}
         </ul>
       </div>
+      <div className="sidebar__footer">
+        <button className="secondary" type="button" onClick={handleLogoutClick}>
+          Log out
+        </button>
+      </div>
     </aside>
   );
 };

frontend/src/skeuomorphic_ws.css

@@ -13,7 +13,6 @@
   grid-column: 2 / -1;
   min-height: 0;
   position: relative;
-  background-color: var(--surface-subtle);
 }
 
 .skeuo-header {
@@ -22,7 +21,6 @@
   justify-content: space-between;
   gap: 1rem;
   padding: 0.75rem 1rem 0.5rem;
-  background-color: var(--surface-subtle);
 }
 
 .skeuo-header__meta {

frontend/src/skeuomorphic_ws.jsx

@@ -1489,29 +1489,11 @@ const SkeuomorphicWorkspace = ({
     [queueFocusCanvas, handleTagDragEnd, onRemoveTagFromDocument, updateRemovalCursor],
   );
 
-  const renderBreadcrumbs = () => {
-    if (!breadcrumbs.length) return null;
-    return (
-      <nav className="skeuo-breadcrumbs" aria-label="Folder breadcrumbs">
-        {breadcrumbs.map((crumb, index) => {
-          const isLast = index === breadcrumbs.length - 1;
-          return (
-            <span key={crumb.id} className={`skeuo-crumb${isLast ? ' is-current' : ''}`}>
-              {crumb.name}
-              {!isLast && <span className="skeuo-crumb-separator">›</span>}
-            </span>
-          );
-        })}
-      </nav>
-    );
-  };
-
   return (
     <div className="skeuo-shell">
       <header className="skeuo-header">
         <div className="skeuo-header__meta">
           <h2>{currentFolderName}</h2>
-          {renderBreadcrumbs()}
           {showingSearchResults && <span className="meta">Showing search results</span>}
         </div>
         <div className="skeuo-header__actions">

frontend/src/tags/TagsPanel.jsx

@@ -1,12 +1,22 @@
 import React, { useCallback, useMemo, useState } from 'react';
 import { getTagColorStyle, HEX_COLOR_PATTERN } from '../utils/colors';
 
-function TagsPanel({ tags, onRefresh, onUpdateTag, onDeleteTag, onNotify }) {
+function TagsPanel({
+  tags,
+  onRefresh,
+  onCreateTag,
+  onUpdateTag,
+  onDeleteTag,
+  onNotify,
+}) {
   const [editingId, setEditingId] = useState(null);
   const [draftLabel, setDraftLabel] = useState('');
   const [draftColor, setDraftColor] = useState('');
   const [saving, setSaving] = useState(false);
   const [deletingId, setDeletingId] = useState(null);
+  const [createLabel, setCreateLabel] = useState('');
+  const [createColor, setCreateColor] = useState('');
+  const [creating, setCreating] = useState(false);
 
   const startEdit = useCallback((tag) => {
     setEditingId(tag.id);
@@ -98,19 +108,87 @@ function TagsPanel({ tags, onRefresh, onUpdateTag, onDeleteTag, onNotify }) {
     [onDeleteTag, editingId, cancelEdit, onNotify],
   );
 
+  const handleCreate = useCallback(
+    async (event) => {
+      event.preventDefault();
+      if (typeof onCreateTag !== 'function') {
+        return;
+      }
+
+      const trimmedLabel = createLabel.trim();
+      if (!trimmedLabel) {
+        onNotify?.('Tag label cannot be empty.', 'error');
+        return;
+      }
+
+      const trimmedColor = createColor.trim();
+      const colorPattern = /^#([0-9a-fA-F]{6})$/;
+      if (trimmedColor && !colorPattern.test(trimmedColor)) {
+        onNotify?.('Colors must use the #RRGGBB format.', 'error');
+        return;
+      }
+
+      setCreating(true);
+      try {
+        await onCreateTag({
+          label: trimmedLabel,
+          color: trimmedColor ? trimmedColor : null,
+        });
+        setCreateLabel('');
+        setCreateColor('');
+      } catch (createError) {
+        const message = createError?.message || 'Failed to create tag.';
+        onNotify?.(message, 'error');
+      } finally {
+        setCreating(false);
+      }
+    },
+    [createLabel, createColor, onCreateTag, onNotify],
+  );
+
   return (
-    <section className="tags-panel column">
+    <section className="tags-panel">
       <div className="column-header">
         <div className="column-header__titles">
           <h2>Tags</h2>
           <div className="column-subtitle">{tags.length} total</div>
         </div>
-        <div className="header-actions">
+        <div className="header-actions tags-actions">
+          <form className="tags-actions__form" onSubmit={handleCreate}>
+            <input
+              type="text"
+              placeholder="New tag label"
+              value={createLabel}
+              onChange={(event) => setCreateLabel(event.target.value)}
+              disabled={creating}
+            />
+            <input
+              type="color"
+              className="tags-table__color-picker"
+              value={createColor || '#3366ff'}
+              onChange={(event) => setCreateColor(event.target.value)}
+              disabled={creating}
+              aria-label="Tag color (optional)"
+            />
+            {createColor && (
+              <button
+                type="button"
+                className="secondary"
+                onClick={() => setCreateColor('')}
+                disabled={creating}
+              >
+                Clear
+              </button>
+            )}
+            <button type="submit" disabled={creating || !createLabel.trim()}>
+              {creating ? 'Creating…' : 'Create'}
+            </button>
+          </form>
           <button
             className="secondary"
             type="button"
             onClick={onRefresh}
-            disabled={saving || Boolean(deletingId)}
+            disabled={saving || creating || Boolean(deletingId)}
           >
             Refresh
           </button>

frontend/src/ui/icons.js

@@ -9,6 +9,10 @@ import {
   IconLayoutGrid,
   IconArrowLeft,
   IconArrowRight,
+  IconChevronsRight,
+  IconAnalyze,
+  IconWindowMaximize,
+  IconTextScan2,
 } from '@tabler/icons-react';
 import FolderSvg from '../assets/folder.svg';
 
@@ -120,6 +124,33 @@ export const ArrowRightIcon = ({ className, size = '1em', stroke = 1.6, ...rest
   />
 );
 
+export const ChevronsRightIcon = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
+  <IconChevronsRight
+    className={composeClassName('icon', className)}
+    size={size}
+    stroke={stroke}
+    {...rest}
+  />
+);
+
+export const AnalyzeIcon = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
+  <IconAnalyze
+    className={composeClassName('icon', className)}
+    size={size}
+    stroke={stroke}
+    {...rest}
+  />
+);
+
+export const WindowMaximizeIcon = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
+  <IconWindowMaximize
+    className={composeClassName('icon', className)}
+    size={size}
+    stroke={stroke}
+    {...rest}
+  />
+);
+
 export default {
   ChevronIcon,
   TrashIcon,
@@ -130,4 +161,16 @@ export default {
   DownloadIcon,
   ViewListIcon,
   ViewGridIcon,
+  ChevronsRightIcon,
+  AnalyzeIcon,
+  WindowMaximizeIcon,
 };
+
+export const TextScanIcon = ({ className, size = '1em', stroke = 1.6, ...rest }) => (
+  <IconTextScan2
+    className={composeClassName('icon', className)}
+    size={size}
+    stroke={stroke}
+    {...rest}
+  />
+);