feat(npcs): show multiple character overlays in session playback

Toggle NPCs independently from the characters window, keep one shared dim/close-all, and scroll descriptions for all selected characters.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/main/npcs/npcsOverlayStore.ts

@@ -12,12 +12,17 @@ import {
 function emptyState(): NpcsOverlayState {
   return {
     revision: 1,
-    activeNpcId: null,
+    activeNpcIds: [],
-    layout: { ...DEFAULT_NPCS_OVERLAY_LAYOUT },
+    layouts: {},
+    focusNpcId: null,
     zoomTool: null,
   };
 }
 
+function layoutFor(state: NpcsOverlayState, npcId: NpcId): NpcsOverlayLayout {
+  return state.layouts[npcId] ?? { ...DEFAULT_NPCS_OVERLAY_LAYOUT };
+}
+
 export class NpcsOverlayStore {
   private state: NpcsOverlayState = emptyState();
 
@@ -26,13 +31,14 @@ export class NpcsOverlayStore {
   }
 
   clear(): NpcsOverlayState {
-    if (this.state.activeNpcId === null && this.state.zoomTool === null) {
+    if (this.state.activeNpcIds.length === 0 && this.state.zoomTool === null) {
       return this.state;
     }
     this.state = {
       revision: this.state.revision + 1,
-      activeNpcId: null,
+      activeNpcIds: [],
-      layout: { ...DEFAULT_NPCS_OVERLAY_LAYOUT },
+      layouts: {},
+      focusNpcId: null,
       zoomTool: null,
     };
     return this.state;
@@ -42,32 +48,67 @@ export class NpcsOverlayStore {
     switch (event.kind) {
       case 'hide':
         return this.clear();
-      case 'show':
+      case 'show': {
+        if (this.state.activeNpcIds.includes(event.npcId)) {
           this.state = {
+            ...this.state,
             revision: this.state.revision + 1,
-          activeNpcId: event.npcId,
+            focusNpcId: event.npcId,
-          layout: { ...DEFAULT_NPCS_OVERLAY_LAYOUT },
-          zoomTool: this.state.zoomTool,
           };
           return this.state;
-      case 'toggle': {
-        if (this.state.activeNpcId === event.npcId) {
-          return this.clear();
         }
         this.state = {
           revision: this.state.revision + 1,
-          activeNpcId: event.npcId,
+          activeNpcIds: [...this.state.activeNpcIds, event.npcId],
-          layout: { ...DEFAULT_NPCS_OVERLAY_LAYOUT },
+          layouts: {
+            ...this.state.layouts,
+            [event.npcId]: { ...DEFAULT_NPCS_OVERLAY_LAYOUT },
+          },
+          focusNpcId: event.npcId,
+          zoomTool: this.state.zoomTool,
+        };
+        return this.state;
+      }
+      case 'toggle': {
+        if (this.state.activeNpcIds.includes(event.npcId)) {
+          const activeNpcIds = this.state.activeNpcIds.filter((id) => id !== event.npcId);
+          const layouts = { ...this.state.layouts };
+          delete layouts[event.npcId];
+          const focusNpcId =
+            this.state.focusNpcId === event.npcId
+              ? (activeNpcIds[activeNpcIds.length - 1] ?? null)
+              : this.state.focusNpcId;
+          this.state = {
+            revision: this.state.revision + 1,
+            activeNpcIds,
+            layouts,
+            focusNpcId,
+            zoomTool: activeNpcIds.length === 0 ? null : this.state.zoomTool,
+          };
+          return this.state;
+        }
+        this.state = {
+          revision: this.state.revision + 1,
+          activeNpcIds: [...this.state.activeNpcIds, event.npcId],
+          layouts: {
+            ...this.state.layouts,
+            [event.npcId]: { ...DEFAULT_NPCS_OVERLAY_LAYOUT },
+          },
+          focusNpcId: event.npcId,
           zoomTool: this.state.zoomTool,
         };
         return this.state;
       }
       case 'layout.set': {
-        if (this.state.activeNpcId === null) return this.state;
+        if (!this.state.activeNpcIds.includes(event.npcId)) return this.state;
         this.state = {
           ...this.state,
           revision: this.state.revision + 1,
-          layout: clampNpcsLayout(event.layout),
+          focusNpcId: event.npcId,
+          layouts: {
+            ...this.state.layouts,
+            [event.npcId]: clampNpcsLayout(event.layout),
+          },
         };
         return this.state;
       }
@@ -81,10 +122,16 @@ export class NpcsOverlayStore {
         return this.state;
       }
       case 'zoomAt': {
-        if (this.state.activeNpcId === null || !this.state.zoomTool) return this.state;
+        if (this.state.activeNpcIds.length === 0 || !this.state.zoomTool) return this.state;
+        const targetId =
+          (event.npcId && this.state.activeNpcIds.includes(event.npcId) ? event.npcId : null) ??
+          this.state.focusNpcId ??
+          this.state.activeNpcIds[this.state.activeNpcIds.length - 1] ??
+          null;
+        if (!targetId) return this.state;
         const factor = this.state.zoomTool === 'zoomIn' ? 1.25 : 1 / 1.25;
         const layout: NpcsOverlayLayout = zoomNpcsLayoutAt(
-          this.state.layout,
+          layoutFor(this.state, targetId),
           event.nx,
           event.ny,
           factor,
@@ -92,7 +139,11 @@ export class NpcsOverlayStore {
         this.state = {
           ...this.state,
           revision: this.state.revision + 1,
-          layout,
+          focusNpcId: targetId,
+          layouts: {
+            ...this.state.layouts,
+            [targetId]: layout,
+          },
         };
         return this.state;
       }
@@ -102,8 +153,25 @@ export class NpcsOverlayStore {
   }
 
   ensureNpcStillExists(npcIds: ReadonlySet<NpcId>): NpcsOverlayState {
-    const active = this.state.activeNpcId;
+    const activeNpcIds = this.state.activeNpcIds.filter((id) => npcIds.has(id));
-    if (active === null || npcIds.has(active)) return this.state;
+    if (activeNpcIds.length === this.state.activeNpcIds.length) return this.state;
-    return this.clear();
+    if (activeNpcIds.length === 0) return this.clear();
+    const layouts: Record<string, NpcsOverlayLayout> = {};
+    for (const id of activeNpcIds) {
+      const layout = this.state.layouts[id];
+      if (layout) layouts[id] = layout;
+    }
+    const focusNpcId =
+      this.state.focusNpcId && activeNpcIds.includes(this.state.focusNpcId)
+        ? this.state.focusNpcId
+        : (activeNpcIds[activeNpcIds.length - 1] ?? null);
+    this.state = {
+      revision: this.state.revision + 1,
+      activeNpcIds,
+      layouts,
+      focusNpcId,
+      zoomTool: this.state.zoomTool,
+    };
+    return this.state;
   }
 }

app/renderer/control/ControlApp.tsx

@@ -20,6 +20,7 @@ import { useSceneDarknessState } from '../shared/effects/useSceneDarknessState';
 import { DEFAULT_MATERIALS_OVERLAY_LAYOUT, DEFAULT_NPCS_OVERLAY_LAYOUT } from '../../shared/types';
 import { MaterialOverlay } from '../shared/materials/MaterialOverlay';
 import { useMaterialsOverlayState } from '../shared/materials/useMaterialsOverlayState';
+import { NpcsSceneOverlay } from '../shared/npcs/NpcsSceneOverlay';
 import { useNpcsOverlayState } from '../shared/npcs/useNpcsOverlayState';
 import { Button } from '../shared/ui/controls';
 import { Surface } from '../shared/ui/Surface';
@@ -1611,15 +1612,24 @@ export function ControlApp() {
               );
             })()}
             {(() => {
-              const activeNpc =
+              const project = session?.project;
-                session?.project && npcsOverlay?.activeNpcId
+              const activeIds = npcsOverlay?.activeNpcIds ?? [];
-                  ? (session.project.npcs ?? []).find((n) => n.id === npcsOverlay.activeNpcId)
+              if (!project || activeIds.length === 0) return null;
-                  : undefined;
+              const items = activeIds
-              if (!activeNpc) return null;
+                .map((id) => {
+                  const npc = (project.npcs ?? []).find((n) => n.id === id);
+                  if (!npc) return null;
+                  return {
+                    npcId: npc.id,
+                    assetId: npc.avatarAssetId,
+                    layout: npcsOverlay?.layouts[id] ?? DEFAULT_NPCS_OVERLAY_LAYOUT,
+                  };
+                })
+                .filter((x): x is NonNullable<typeof x> => x !== null);
+              if (items.length === 0) return null;
               return (
-                <MaterialOverlay
+                <NpcsSceneOverlay
-                  assetId={activeNpc.avatarAssetId}
+                  items={items}
-                  layout={npcsOverlay?.layout ?? DEFAULT_NPCS_OVERLAY_LAYOUT}
                   editable
                   zoomTool={npcsOverlay?.zoomTool ?? null}
                   showClose
@@ -1627,11 +1637,13 @@ export function ControlApp() {
                   onClose={() => {
                     void npcsApi.dispatch({ kind: 'hide' });
                   }}
-                  onLayoutChange={(layout) => {
+                  onLayoutChange={(npcId, layout) => {
-                    void npcsApi.dispatch({ kind: 'layout.set', layout });
+                    void npcsApi.dispatch({ kind: 'layout.set', npcId, layout });
                   }}
-                  onZoomAt={(nx, ny) => {
+                  onZoomAt={(npcId, nx, ny) => {
-                    void npcsApi.dispatch({ kind: 'zoomAt', nx, ny });
+                    void npcsApi.dispatch(
+                      npcId ? { kind: 'zoomAt', nx, ny, npcId } : { kind: 'zoomAt', nx, ny },
+                    );
                   }}
                 />
               );

app/renderer/editor/i18n/editorMessages.ts

@@ -425,7 +425,8 @@ export const EDITOR_MESSAGES: Record<EditorLocale, Record<string, string>> = {
     'npcs.graphZoomOut': 'Уменьшить',
     'npcs.graphFitAll': 'Показать всё',
     'npcs.windowEmpty': 'Добавьте НПС в редакторе.',
-    'npcs.closeOverlay': 'Закрыть НПС',
+    'npcs.selectToShow': 'Выберите персонажей в списке — они появятся на экране.',
+    'npcs.closeOverlay': 'Закрыть всех',
     'npcs.zoomIn': 'Увеличить',
     'npcs.zoomOut': 'Уменьшить',
     'npcs.zoomInHint': 'Кликните по аватару в предпросмотре пульта, чтобы увеличить.',
@@ -960,7 +961,8 @@ export const EDITOR_MESSAGES: Record<EditorLocale, Record<string, string>> = {
     'npcs.graphZoomOut': 'Zoom out',
     'npcs.graphFitAll': 'Fit view',
     'npcs.windowEmpty': 'Add NPCs in the editor.',
-    'npcs.closeOverlay': 'Close NPC',
+    'npcs.selectToShow': 'Select characters in the list — they will appear on screen.',
+    'npcs.closeOverlay': 'Close all',
     'npcs.zoomIn': 'Zoom in',
     'npcs.zoomOut': 'Zoom out',
     'npcs.zoomInHint': 'Click the avatar on the control preview to zoom in.',

app/renderer/npcs/NpcsApp.module.css

@@ -50,6 +50,18 @@
   line-height: 1.45;
 }
 
+.detailCard {
+  display: grid;
+  gap: 10px;
+  padding-bottom: 14px;
+  border-bottom: 1px solid var(--stroke);
+}
+
+.detailCard:last-child {
+  border-bottom: none;
+  padding-bottom: 0;
+}
+
 .detailName {
   font-size: 18px;
   font-weight: 900;

app/renderer/npcs/NpcsApp.tsx

@@ -52,13 +52,11 @@ function pruneEmptyGroupNodes(nodes: NpcGroupTreeNode[]): NpcGroupTreeNode[] {
 function RuntimeNpcTile({
   npc,
   selected,
-  active,
   accentColor,
   onActivate,
 }: {
   npc: ProjectNpc;
   selected: boolean;
-  active: boolean;
   accentColor?: string | null;
   onActivate: () => void;
 }) {
@@ -66,9 +64,7 @@ function RuntimeNpcTile({
   return (
     <button
       type="button"
-      className={[styles.tile, selected ? styles.tileSelected : '', active ? styles.tileActive : '']
+      className={[styles.tile, selected ? styles.tileSelected : ''].filter(Boolean).join(' ')}
-        .filter(Boolean)
-        .join(' ')}
       style={accentColor ? { borderLeftColor: accentColor, borderLeftWidth: 3 } : undefined}
       onClick={onActivate}
     >
@@ -85,16 +81,14 @@ function RuntimeGroupSection({
   depth,
   isExpanded,
   onToggleExpanded,
-  selectedId,
+  selectedIds,
-  activeId,
   onActivate,
 }: {
   node: NpcGroupTreeNode;
   depth: number;
   isExpanded: (id: NpcGroupId) => boolean;
   onToggleExpanded: (id: NpcGroupId) => void;
-  selectedId: NpcId | null;
+  selectedIds: ReadonlySet<NpcId>;
-  activeId: NpcId | null;
   onActivate: (id: NpcId) => void;
 }) {
   const g = node.group;
@@ -120,8 +114,7 @@ function RuntimeGroupSection({
             <RuntimeNpcTile
               key={n.id}
               npc={n}
-              selected={n.id === selectedId}
+              selected={selectedIds.has(n.id)}
-              active={n.id === activeId}
               accentColor={g.color}
               onActivate={() => onActivate(n.id)}
             />
@@ -133,8 +126,7 @@ function RuntimeGroupSection({
               depth={depth + 1}
               isExpanded={isExpanded}
               onToggleExpanded={onToggleExpanded}
-              selectedId={selectedId}
+              selectedIds={selectedIds}
-              activeId={activeId}
               onActivate={onActivate}
             />
           ))}
@@ -149,29 +141,30 @@ export function NpcsApp() {
   const api = getDndApi();
   const [session, setSession] = useState<SessionState | null>(null);
   const [overlay, overlayApi] = useNpcsOverlayState();
-  const [selectedId, setSelectedId] = useState<NpcId | null>(null);
   const [query, setQuery] = useState('');
   const [collapsedGroups, setCollapsedGroups] = useState<Set<NpcGroupId>>(() => new Set());
 
   useEffect(() => {
     void api.invoke(ipcChannels.project.get, {}).then(({ project }) => {
       setSession({ project, currentSceneId: project?.currentSceneId ?? null });
-      const list = project?.npcs ?? [];
-      setSelectedId(list[0]?.id ?? null);
     });
     return api.on(ipcChannels.session.stateChanged, ({ state }) => {
       setSession(state);
     });
   }, [api]);
 
+  const activeIds = overlay?.activeNpcIds ?? [];
+  const hasActive = activeIds.length > 0;
+  const zoomTool = overlay?.zoomTool ?? null;
+
   useEffect(() => {
     const onKey = (e: KeyboardEvent) => {
       if (e.key === 'Escape') {
-        if (overlay?.activeNpcId) {
+        if (hasActive) {
           void overlayApi.dispatch({ kind: 'hide' });
           return;
         }
-        if (overlay?.zoomTool) {
+        if (zoomTool) {
           void overlayApi.dispatch({ kind: 'zoomTool.set', tool: null });
           return;
         }
@@ -180,16 +173,16 @@ export function NpcsApp() {
     };
     window.addEventListener('keydown', onKey);
     return () => window.removeEventListener('keydown', onKey);
-  }, [overlay?.activeNpcId, overlay?.zoomTool, overlayApi]);
+  }, [hasActive, zoomTool, overlayApi]);
 
   const npcs = useMemo(() => session?.project?.npcs ?? [], [session?.project?.npcs]);
   const npcGroups = useMemo(() => session?.project?.npcGroups ?? [], [session?.project?.npcGroups]);
   const relations = useMemo(() => session?.project?.npcRelations ?? [], [session?.project?.npcRelations]);
-  const activeId = overlay?.activeNpcId ?? null;
+  const selectedIds = useMemo(() => new Set(activeIds), [activeIds]);
-  const zoomTool = overlay?.zoomTool ?? null;
+  const selectedNpcs = useMemo(
-  const effectiveSelectedId =
+    () => activeIds.map((id) => npcs.find((n) => n.id === id)).filter((n): n is ProjectNpc => Boolean(n)),
-    selectedId && npcs.some((n) => n.id === selectedId) ? selectedId : (npcs[0]?.id ?? null);
+    [activeIds, npcs],
-  const selected = npcs.find((n) => n.id === effectiveSelectedId) ?? null;
+  );
 
   const filteredNpcs = useMemo(() => {
     const q = query.trim().toLowerCase();
@@ -229,26 +222,27 @@ export function NpcsApp() {
     [searching],
   );
 
-  const relationsForSelected = useMemo(() => {
+  const relationsByNpcId = useMemo(() => {
-    if (!selected) return [];
+    const map = new Map<NpcId, { id: string; text: string }[]>();
-    return relations
+    for (const npc of selectedNpcs) {
-      .filter((r) => r.sourceNpcId === selected.id)
+      const list = relations
+        .filter((r) => r.sourceNpcId === npc.id)
         .map((r) => {
           const other = npcs.find((n) => n.id === r.targetNpcId);
           return { id: r.id, text: `${r.label} ${other?.name ?? '—'}` };
         });
-  }, [npcs, relations, selected]);
+      map.set(npc.id, list);
+    }
+    return map;
+  }, [npcs, relations, selectedNpcs]);
 
   const onSelectTile = useCallback(
     (id: NpcId) => {
-      setSelectedId(id);
       void overlayApi.dispatch({ kind: 'toggle', npcId: id });
     },
     [overlayApi],
   );
 
-  const safeHtml = selected ? sanitizeSceneDescriptionHtml(selected.description) : '';
-
   return (
     <div className={styles.page}>
       <div className={styles.toolbar}>
@@ -283,7 +277,7 @@ export function NpcsApp() {
           >
             <ZoomOutIcon />
           </Button>
-          {activeId ? (
+          {hasActive ? (
             <Button
               title={t('npcs.closeOverlay')}
               ariaLabel={t('npcs.closeOverlay')}
@@ -307,9 +301,13 @@ export function NpcsApp() {
 
       <div className={styles.body}>
         <div className={styles.detail}>
-          {selected ? (
+          {selectedNpcs.length > 0 ? (
-            <>
+            selectedNpcs.map((npc) => {
-              <div className={styles.detailName}>{selected.name}</div>
+              const safeHtml = sanitizeSceneDescriptionHtml(npc.description);
+              const npcRelations = relationsByNpcId.get(npc.id) ?? [];
+              return (
+                <div key={npc.id} className={styles.detailCard}>
+                  <div className={styles.detailName}>{npc.name}</div>
                   {safeHtml ? (
                     <div>
                       <div className={styles.detailSectionTitle}>{t('npcs.description')}</div>
@@ -318,11 +316,11 @@ export function NpcsApp() {
                   ) : (
                     <div className={styles.muted}>{t('npcs.descriptionEmpty')}</div>
                   )}
-              {relationsForSelected.length > 0 ? (
+                  {npcRelations.length > 0 ? (
                     <div>
                       <div className={styles.detailSectionTitle}>{t('npcs.relations')}</div>
                       <div className={styles.relationsList}>
-                    {relationsForSelected.map((r) => (
+                        {npcRelations.map((r) => (
                           <div key={r.id} className={styles.relationItem}>
                             {r.text}
                           </div>
@@ -330,9 +328,13 @@ export function NpcsApp() {
                       </div>
                     </div>
                   ) : null}
-            </>
+                </div>
+              );
+            })
           ) : (
-            <div className={styles.detailEmpty}>{t('npcs.windowEmpty')}</div>
+            <div className={styles.detailEmpty}>
+              {npcs.length === 0 ? t('npcs.windowEmpty') : t('npcs.selectToShow')}
+            </div>
           )}
         </div>
 
@@ -344,8 +346,7 @@ export function NpcsApp() {
                 <RuntimeNpcTile
                   key={n.id}
                   npc={n}
-                  selected={n.id === effectiveSelectedId}
+                  selected={selectedIds.has(n.id)}
-                  active={n.id === activeId}
                   onActivate={() => onSelectTile(n.id)}
                 />
               ))
@@ -358,8 +359,7 @@ export function NpcsApp() {
                     depth={0}
                     isExpanded={isExpanded}
                     onToggleExpanded={toggleExpanded}
-                    selectedId={effectiveSelectedId}
+                    selectedIds={selectedIds}
-                    activeId={activeId}
                     onActivate={onSelectTile}
                   />
                 ))}
@@ -371,8 +371,7 @@ export function NpcsApp() {
                         <RuntimeNpcTile
                           key={n.id}
                           npc={n}
-                          selected={n.id === effectiveSelectedId}
+                          selected={selectedIds.has(n.id)}
-                          active={n.id === activeId}
                           onActivate={() => onSelectTile(n.id)}
                         />
                       ))}

app/renderer/shared/PresentationView.tsx

@@ -10,6 +10,7 @@ import { useSceneDarknessState } from './effects/useSceneDarknessState';
 import { DEFAULT_MATERIALS_OVERLAY_LAYOUT, DEFAULT_NPCS_OVERLAY_LAYOUT } from '../../shared/types';
 import { MaterialOverlay } from './materials/MaterialOverlay';
 import { useMaterialsOverlayState } from './materials/useMaterialsOverlayState';
+import { NpcsSceneOverlay } from './npcs/NpcsSceneOverlay';
 import { useNpcsOverlayState } from './npcs/useNpcsOverlayState';
 import styles from './PresentationView.module.css';
 import { RotatedImage } from './RotatedImage';
@@ -45,10 +46,21 @@ export function PresentationView({
     session?.project && materialsOverlay?.activeMaterialId
       ? (session.project.materials ?? []).find((m) => m.id === materialsOverlay.activeMaterialId)
       : undefined;
-  const activeNpc =
+  const project = session?.project;
-    session?.project && npcsOverlay?.activeNpcId
+  const activeNpcItems =
-      ? (session.project.npcs ?? []).find((n) => n.id === npcsOverlay.activeNpcId)
+    project && (npcsOverlay?.activeNpcIds?.length ?? 0) > 0
-      : undefined;
+      ? (npcsOverlay?.activeNpcIds ?? [])
+          .map((id) => {
+            const npc = (project.npcs ?? []).find((n) => n.id === id);
+            if (!npc) return null;
+            return {
+              npcId: npc.id,
+              assetId: npc.avatarAssetId,
+              layout: npcsOverlay?.layouts[id] ?? DEFAULT_NPCS_OVERLAY_LAYOUT,
+            };
+          })
+          .filter((x): x is NonNullable<typeof x> => x !== null)
+      : [];
   const originalUrl = useAssetUrl(scene?.previewAssetId ?? null);
   const thumbUrl = useAssetUrl(scene?.previewThumbAssetId ?? null);
   const [shownImageUrl, setShownImageUrl] = useState<string | null>(null);
@@ -159,12 +171,7 @@ export function PresentationView({
           layout={materialsOverlay?.layout ?? DEFAULT_MATERIALS_OVERLAY_LAYOUT}
         />
       ) : null}
-      {activeNpc ? (
+      {activeNpcItems.length > 0 ? <NpcsSceneOverlay items={activeNpcItems} /> : null}
-        <MaterialOverlay
-          assetId={activeNpc.avatarAssetId}
-          layout={npcsOverlay?.layout ?? DEFAULT_NPCS_OVERLAY_LAYOUT}
-        />
-      ) : null}
       {showTitle ? (
         <div className={styles.titleWrap}>
           <div className={compact ? styles.titleCompact : styles.titleFull}>

app/renderer/shared/npcs/NpcsSceneOverlay.tsx

@@ -0,0 +1,314 @@
+import React, { useEffect, useRef, useState } from 'react';
+
+import type { AssetId, NpcId, NpcsOverlayLayout, NpcsZoomTool } from '../../../shared/types';
+import { DEFAULT_NPCS_OVERLAY_LAYOUT } from '../../../shared/types';
+import styles from '../materials/MaterialOverlay.module.css';
+import { useAssetUrl } from '../useAssetImageUrl';
+
+type Corner = 'nw' | 'ne' | 'sw' | 'se';
+
+export type NpcsSceneOverlayItem = {
+  npcId: NpcId;
+  assetId: AssetId | null;
+  layout: NpcsOverlayLayout;
+};
+
+type NpcsSceneOverlayProps = {
+  items: readonly NpcsSceneOverlayItem[];
+  editable?: boolean;
+  zoomTool?: NpcsZoomTool;
+  showClose?: boolean;
+  onClose?: () => void;
+  closeLabel?: string;
+  onLayoutChange?: (npcId: NpcId, layout: NpcsOverlayLayout) => void;
+  onZoomAt?: (npcId: NpcId | undefined, nx: number, ny: number) => void;
+};
+
+function nextBaseSize(
+  viewW: number,
+  viewH: number,
+  naturalW: number,
+  naturalH: number,
+): { w: number; h: number } {
+  if (naturalW <= 0 || naturalH <= 0 || viewW <= 0 || viewH <= 0) return { w: 200, h: 120 };
+  const maxW = viewW * 0.92;
+  const maxH = viewH * 0.88;
+  const fit = Math.min(maxW / naturalW, maxH / naturalH);
+  return { w: naturalW * fit, h: naturalH * fit };
+}
+
+function NpcAvatarFrame({
+  item,
+  view,
+  rootRef,
+  editable,
+  zoomTool,
+  onLayoutChange,
+}: {
+  item: NpcsSceneOverlayItem;
+  view: { w: number; h: number };
+  rootRef: React.RefObject<HTMLDivElement | null>;
+  editable: boolean;
+  zoomTool: NpcsZoomTool;
+  onLayoutChange?: (npcId: NpcId, layout: NpcsOverlayLayout) => void;
+}) {
+  const url = useAssetUrl(item.assetId);
+  const [natural, setNatural] = useState<{ w: number; h: number }>({ w: 1600, h: 900 });
+  const dragRef = useRef<
+    | { mode: 'move'; startX: number; startY: number; origin: NpcsOverlayLayout }
+    | {
+        mode: 'resize';
+        corner: Corner;
+        startX: number;
+        startY: number;
+        origin: NpcsOverlayLayout;
+        baseW: number;
+        baseH: number;
+        viewW: number;
+        viewH: number;
+      }
+    | null
+  >(null);
+
+  if (!item.assetId || !url) return null;
+
+  const layout = item.layout ?? DEFAULT_NPCS_OVERLAY_LAYOUT;
+  const base = nextBaseSize(view.w, view.h, natural.w, natural.h);
+  const w = base.w * layout.scale;
+  const h = base.h * layout.scale;
+  const left = layout.cx * view.w - w / 2;
+  const top = layout.cy * view.h - h / 2;
+
+  const onPointerMove = (e: PointerEvent) => {
+    const drag = dragRef.current;
+    if (!drag || !onLayoutChange) return;
+    const root = rootRef.current;
+    if (!root) return;
+    const r = root.getBoundingClientRect();
+    const dx = (e.clientX - drag.startX) / Math.max(1, r.width);
+    const dy = (e.clientY - drag.startY) / Math.max(1, r.height);
+
+    if (drag.mode === 'move') {
+      onLayoutChange(item.npcId, {
+        ...drag.origin,
+        cx: drag.origin.cx + dx,
+        cy: drag.origin.cy + dy,
+      });
+      return;
+    }
+
+    const { baseW, baseH, viewW, viewH, origin, corner } = drag;
+    const originW = baseW * origin.scale;
+    const originH = baseH * origin.scale;
+    const originLeft = origin.cx * viewW - originW / 2;
+    const originTop = origin.cy * viewH - originH / 2;
+    const originRight = originLeft + originW;
+    const originBottom = originTop + originH;
+
+    let anchorX = originLeft;
+    let anchorY = originTop;
+    if (corner === 'nw') {
+      anchorX = originRight;
+      anchorY = originBottom;
+    } else if (corner === 'ne') {
+      anchorX = originLeft;
+      anchorY = originBottom;
+    } else if (corner === 'sw') {
+      anchorX = originRight;
+      anchorY = originTop;
+    }
+
+    const pointerX = e.clientX - r.left;
+    const pointerY = e.clientY - r.top;
+    const newW = Math.max(8, Math.abs(pointerX - anchorX));
+    const newH = Math.max(8, Math.abs(pointerY - anchorY));
+    const nextScale = Math.max(newW / Math.max(1, baseW), newH / Math.max(1, baseH));
+    const ww = baseW * nextScale;
+    const hh = baseH * nextScale;
+
+    let nextLeft = anchorX;
+    let nextTop = anchorY;
+    if (corner === 'nw') {
+      nextLeft = anchorX - ww;
+      nextTop = anchorY - hh;
+    } else if (corner === 'ne') {
+      nextLeft = anchorX;
+      nextTop = anchorY - hh;
+    } else if (corner === 'sw') {
+      nextLeft = anchorX - ww;
+      nextTop = anchorY;
+    }
+
+    onLayoutChange(item.npcId, {
+      cx: (nextLeft + ww / 2) / Math.max(1, viewW),
+      cy: (nextTop + hh / 2) / Math.max(1, viewH),
+      scale: nextScale,
+    });
+  };
+
+  const endDrag = () => {
+    dragRef.current = null;
+    window.removeEventListener('pointermove', onPointerMove);
+    window.removeEventListener('pointerup', endDrag);
+  };
+
+  const startDrag = (e: React.PointerEvent, mode: 'move' | 'resize', corner?: Corner) => {
+    if (!editable || !onLayoutChange || zoomTool) return;
+    e.preventDefault();
+    e.stopPropagation();
+    dragRef.current =
+      mode === 'move'
+        ? { mode: 'move', startX: e.clientX, startY: e.clientY, origin: { ...layout } }
+        : {
+            mode: 'resize',
+            corner: corner ?? 'se',
+            startX: e.clientX,
+            startY: e.clientY,
+            origin: { ...layout },
+            baseW: base.w,
+            baseH: base.h,
+            viewW: view.w,
+            viewH: view.h,
+          };
+    window.addEventListener('pointermove', onPointerMove);
+    window.addEventListener('pointerup', endDrag);
+  };
+
+  return (
+    <div
+      className={[styles.frame, editable && !zoomTool ? styles.frameEditable : ''].filter(Boolean).join(' ')}
+      data-npc-id={item.npcId}
+      style={{ left, top, width: w, height: h }}
+      onPointerDown={(e) => {
+        if (zoomTool) return;
+        startDrag(e, 'move');
+      }}
+    >
+      <img
+        className={styles.image}
+        src={url}
+        alt=""
+        draggable={false}
+        style={{
+          width: w,
+          height: h,
+          transform: 'translate(-50%, -50%)',
+        }}
+        onLoad={(e) => {
+          const img = e.currentTarget;
+          setNatural({ w: img.naturalWidth || 1, h: img.naturalHeight || 1 });
+        }}
+      />
+      {editable && !zoomTool
+        ? (['nw', 'ne', 'sw', 'se'] as const).map((corner) => (
+            <button
+              key={corner}
+              type="button"
+              className={[styles.handle, styles[`handle_${corner}`]].join(' ')}
+              aria-label={corner}
+              onPointerDown={(e) => startDrag(e, 'resize', corner)}
+            />
+          ))
+        : null}
+    </div>
+  );
+}
+
+export function NpcsSceneOverlay({
+  items,
+  editable = false,
+  zoomTool = null,
+  showClose = false,
+  onClose,
+  closeLabel = 'Close',
+  onLayoutChange,
+  onZoomAt,
+}: NpcsSceneOverlayProps) {
+  const rootRef = useRef<HTMLDivElement | null>(null);
+  const [view, setView] = useState({ w: 1, h: 1 });
+
+  useEffect(() => {
+    const el = rootRef.current;
+    if (!el) return;
+    const sync = () => setView({ w: el.clientWidth, h: el.clientHeight });
+    sync();
+    const ro = new ResizeObserver(sync);
+    ro.observe(el);
+    return () => ro.disconnect();
+  }, [items.length]);
+
+  if (items.length === 0) return null;
+
+  const interactive = editable || showClose || Boolean(zoomTool);
+  const zoomCursor =
+    zoomTool === 'zoomIn' ? styles.cursorZoomIn : zoomTool === 'zoomOut' ? styles.cursorZoomOut : '';
+
+  const toNorm = (clientX: number, clientY: number) => {
+    const root = rootRef.current;
+    if (!root) return { nx: 0.5, ny: 0.5 };
+    const r = root.getBoundingClientRect();
+    return {
+      nx: (clientX - r.left) / Math.max(1, r.width),
+      ny: (clientY - r.top) / Math.max(1, r.height),
+    };
+  };
+
+  const npcIdFromTarget = (target: EventTarget | null): NpcId | undefined => {
+    if (!(target instanceof Element)) return undefined;
+    const frame = target.closest('[data-npc-id]');
+    const raw = frame?.getAttribute('data-npc-id');
+    return raw ? (raw as NpcId) : undefined;
+  };
+
+  return (
+    <div
+      ref={rootRef}
+      className={[styles.root, interactive ? styles.interactive : styles.passive, zoomCursor]
+        .filter(Boolean)
+        .join(' ')}
+      role="dialog"
+      aria-modal="true"
+      onClick={(e) => {
+        if (!zoomTool || !onZoomAt) return;
+        e.stopPropagation();
+        const { nx, ny } = toNorm(e.clientX, e.clientY);
+        onZoomAt(npcIdFromTarget(e.target), nx, ny);
+      }}
+    >
+      <div className={styles.dim} />
+      {items.map((item) =>
+        onLayoutChange ? (
+          <NpcAvatarFrame
+            key={item.npcId}
+            item={item}
+            view={view}
+            rootRef={rootRef}
+            editable={editable}
+            zoomTool={zoomTool}
+            onLayoutChange={onLayoutChange}
+          />
+        ) : (
+          <NpcAvatarFrame
+            key={item.npcId}
+            item={item}
+            view={view}
+            rootRef={rootRef}
+            editable={editable}
+            zoomTool={zoomTool}
+          />
+        ),
+      )}
+      {showClose ? (
+        <button
+          type="button"
+          className={styles.close}
+          onClick={onClose}
+          aria-label={closeLabel}
+          title={closeLabel}
+        >
+          ×
+        </button>
+      ) : null}
+    </div>
+  );
+}

app/shared/types/npcs.ts

@@ -9,11 +9,14 @@ export type NpcsOverlayLayout = {
 
 export type NpcsZoomTool = 'zoomIn' | 'zoomOut' | null;
 
-/** Session-only: какой НПС сейчас показан поверх сцены (только аватар). */
+/** Session-only: какие НПС сейчас показаны поверх сцены (только аватары). */
 export type NpcsOverlayState = {
   revision: number;
-  activeNpcId: NpcId | null;
+  /** Порядок выделения / показа описаний. */
-  layout: NpcsOverlayLayout;
+  activeNpcIds: NpcId[];
+  layouts: Record<string, NpcsOverlayLayout>;
+  /** На кого действует zoom, если клик не попал в конкретный аватар. */
+  focusNpcId: NpcId | null;
   zoomTool: NpcsZoomTool;
 };
 
@@ -27,9 +30,9 @@ export type NpcsOverlayEvent =
   | { kind: 'show'; npcId: NpcId }
   | { kind: 'hide' }
   | { kind: 'toggle'; npcId: NpcId }
-  | { kind: 'layout.set'; layout: NpcsOverlayLayout }
+  | { kind: 'layout.set'; npcId: NpcId; layout: NpcsOverlayLayout }
   | { kind: 'zoomTool.set'; tool: NpcsZoomTool }
-  | { kind: 'zoomAt'; nx: number; ny: number };
+  | { kind: 'zoomAt'; nx: number; ny: number; npcId?: NpcId };
 
 export function clampNpcsLayout(layout: NpcsOverlayLayout): NpcsOverlayLayout {
   return {