fix(Signatures): Rework for lazy signatures deletion

- if lazy delete enabled, linked connection deleted after signature only
now
- added sort by signature name for info column
- show signature temporary name if set on link signature to system &
signatures widget

assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignatures.tsx

@@ -1,123 +1,16 @@
-import { useCallback, useEffect, useMemo, useRef, useState } from 'react';
 import { Widget } from '@/hooks/Mapper/components/mapInterface/components';
+import { SETTINGS_KEYS, SIGNATURE_WINDOW_ID, SignatureSettingsType } from '@/hooks/Mapper/constants/signatures';
+import { useHotkey } from '@/hooks/Mapper/hooks/useHotkey';
+import { useMapRootState } from '@/hooks/Mapper/mapRootProvider';
+import { useCallback, useMemo, useState } from 'react';
+import { useSignatureUndo } from './hooks/useSignatureUndo';
+import { useSystemSignaturesData } from './hooks/useSystemSignaturesData';
+import { SystemSignaturesHeader } from './SystemSignatureHeader';
 import { SystemSignaturesContent } from './SystemSignaturesContent';
 import { SystemSignatureSettingsDialog } from './SystemSignatureSettingsDialog';
-import { useMapRootState } from '@/hooks/Mapper/mapRootProvider';
-import { SystemSignaturesHeader } from './SystemSignatureHeader';
-import { useHotkey } from '@/hooks/Mapper/hooks/useHotkey';
-import { getDeletionTimeoutMs } from '@/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/constants.ts';
-import { OutCommand, OutCommandHandler } from '@/hooks/Mapper/types/mapHandlers';
-import { ExtendedSystemSignature } from '@/hooks/Mapper/types';
-import { SETTINGS_KEYS, SIGNATURE_WINDOW_ID, SignatureSettingsType } from '@/hooks/Mapper/constants/signatures';
-
-/**
- * Custom hook for managing pending signature deletions and undo countdown.
- */
-function useSignatureUndo(
-  systemId: string | undefined,
-  settings: SignatureSettingsType,
-  outCommand: OutCommandHandler,
-) {
-  const [countdown, setCountdown] = useState<number>(0);
-  const [pendingIds, setPendingIds] = useState<Set<string>>(new Set());
-  const [deletedSignatures, setDeletedSignatures] = useState<ExtendedSystemSignature[]>([]);
-  const intervalRef = useRef<number | null>(null);
-
-  const addDeleted = useCallback((signatures: ExtendedSystemSignature[]) => {
-    const newIds = signatures.map(sig => sig.eve_id);
-    setPendingIds(prev => {
-      const next = new Set(prev);
-      newIds.forEach(id => next.add(id));
-      return next;
-    });
-    setDeletedSignatures(prev => [...prev, ...signatures]);
-  }, []);
-
-  // Clear deleted signatures when system changes
-  useEffect(() => {
-    if (systemId) {
-      setDeletedSignatures([]);
-      setPendingIds(new Set());
-      setCountdown(0);
-      if (intervalRef.current != null) {
-        clearInterval(intervalRef.current);
-        intervalRef.current = null;
-      }
-    }
-  }, [systemId]);
-
-  // kick off or clear countdown whenever pendingIds changes
-  useEffect(() => {
-    // clear any existing timer
-    if (intervalRef.current != null) {
-      clearInterval(intervalRef.current);
-      intervalRef.current = null;
-    }
-
-    if (pendingIds.size === 0) {
-      setCountdown(0);
-      setDeletedSignatures([]);
-      return;
-    }
-
-    // determine timeout from settings
-    const timeoutMs = getDeletionTimeoutMs(settings);
-    
-    // Ensure a minimum of 1 second for immediate deletion so the UI shows
-    const effectiveTimeoutMs = timeoutMs === 0 ? 1000 : timeoutMs;
-
-    setCountdown(Math.ceil(effectiveTimeoutMs / 1000));
-
-    // start new interval
-    intervalRef.current = window.setInterval(() => {
-      setCountdown(prev => {
-        if (prev <= 1) {
-          clearInterval(intervalRef.current!);
-          intervalRef.current = null;
-          setPendingIds(new Set());
-          setDeletedSignatures([]);
-          return 0;
-        }
-        return prev - 1;
-      });
-    }, 1000);
-
-    return () => {
-      if (intervalRef.current != null) {
-        clearInterval(intervalRef.current);
-        intervalRef.current = null;
-      }
-    };
-  }, [pendingIds, settings]);
-
-  // undo handler
-  const handleUndo = useCallback(async () => {
-    if (!systemId || pendingIds.size === 0) return;
-    await outCommand({
-      type: OutCommand.undoDeleteSignatures,
-      data: { system_id: systemId, eve_ids: Array.from(pendingIds) },
-    });
-    setPendingIds(new Set());
-    setDeletedSignatures([]);
-    setCountdown(0);
-    if (intervalRef.current != null) {
-      clearInterval(intervalRef.current);
-      intervalRef.current = null;
-    }
-  }, [systemId, pendingIds, outCommand]);
-
-  return {
-    pendingIds,
-    countdown,
-    deletedSignatures,
-    addDeleted,
-    handleUndo,
-  };
-}
 
 export const SystemSignatures = () => {
-  const [visible, setVisible] = useState(false);
-  const [sigCount, setSigCount] = useState(0);
+  const [showSettings, setShowSettings] = useState(false);
 
   const {
     data: { selectedSystems },
@@ -127,31 +20,6 @@ export const SystemSignatures = () => {
 
   const [systemId] = selectedSystems;
   const isSystemSelected = useMemo(() => selectedSystems.length === 1, [selectedSystems.length]);
-  const { pendingIds, countdown, deletedSignatures, addDeleted, handleUndo } = useSignatureUndo(
-    systemId,
-    settingsSignatures,
-    outCommand,
-  );
-
-  useHotkey(true, ['z', 'Z'], (event: KeyboardEvent) => {
-    if (pendingIds.size > 0 && countdown > 0) {
-      event.preventDefault();
-      event.stopPropagation();
-      handleUndo();
-    }
-  });
-
-  const handleCountChange = useCallback((count: number) => {
-    setSigCount(count);
-  }, []);
-
-  const handleSettingsSave = useCallback(
-    (newSettings: SignatureSettingsType) => {
-      settingsSignaturesUpdate(newSettings);
-      setVisible(false);
-    },
-    [settingsSignaturesUpdate],
-  );
 
   const handleLazyDeleteToggle = useCallback(
     (value: boolean) => {
@@ -163,7 +31,42 @@ export const SystemSignatures = () => {
     [settingsSignaturesUpdate],
   );
 
-  const openSettings = useCallback(() => setVisible(true), []);
+  const {
+    signatures,
+    selectedSignatures,
+    setSelectedSignatures,
+    handleDeleteSelected,
+    handleSelectAll,
+    handlePaste,
+    hasUnsupportedLanguage,
+  } = useSystemSignaturesData({
+    systemId,
+    settings: settingsSignatures,
+    onLazyDeleteChange: handleLazyDeleteToggle,
+  });
+
+  const sigCount = useMemo(() => signatures.length, [signatures]);
+  const deletedSignatures = useMemo(() => signatures.filter(s => s.deleted), [signatures]);
+
+  const { countdown, handleUndo } = useSignatureUndo(systemId, settingsSignatures, deletedSignatures, outCommand);
+
+  useHotkey(true, ['z', 'Z'], (event: KeyboardEvent) => {
+    if (deletedSignatures.length > 0 && countdown > 0) {
+      event.preventDefault();
+      event.stopPropagation();
+      handleUndo();
+    }
+  });
+
+  const handleSettingsSave = useCallback(
+    (newSettings: SignatureSettingsType) => {
+      settingsSignaturesUpdate(newSettings);
+      setShowSettings(false);
+    },
+    [settingsSignaturesUpdate],
+  );
+
+  const openSettings = useCallback(() => setShowSettings(true), []);
 
   return (
     <Widget
@@ -171,7 +74,7 @@ export const SystemSignatures = () => {
         <SystemSignaturesHeader
           sigCount={sigCount}
           lazyDeleteValue={settingsSignatures[SETTINGS_KEYS.LAZY_DELETE_SIGNATURES] as boolean}
-          pendingCount={pendingIds.size}
+          pendingCount={deletedSignatures.length}
           undoCountdown={countdown}
           onLazyDeleteChange={handleLazyDeleteToggle}
           onUndoClick={handleUndo}
@@ -187,18 +90,21 @@ export const SystemSignatures = () => {
       ) : (
         <SystemSignaturesContent
           systemId={systemId}
+          signatures={signatures}
+          selectedSignatures={selectedSignatures}
+          onSelectSignatures={setSelectedSignatures}
+          onDeleteSelected={handleDeleteSelected}
+          onSelectAll={handleSelectAll}
+          onPaste={handlePaste}
+          hasUnsupportedLanguage={hasUnsupportedLanguage}
           settings={settingsSignatures}
-          deletedSignatures={deletedSignatures}
-          onLazyDeleteChange={handleLazyDeleteToggle}
-          onCountChange={handleCountChange}
-          onSignatureDeleted={addDeleted}
         />
       )}
 
-      {visible && (
+      {showSettings && (
         <SystemSignatureSettingsDialog
           settings={settingsSignatures}
-          onCancel={() => setVisible(false)}
+          onCancel={() => setShowSettings(false)}
           onSave={handleSettingsSave}
         />
       )}

assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/SystemSignaturesContent/SystemSignaturesContent.tsx

@@ -33,34 +33,39 @@ import { useClipboard, useHotkey } from '@/hooks/Mapper/hooks';
 import useMaxWidth from '@/hooks/Mapper/hooks/useMaxWidth';
 import { useMapRootState } from '@/hooks/Mapper/mapRootProvider';
 import { getSignatureRowClass } from '../helpers/rowStyles';
-import { useSystemSignaturesData } from '../hooks/useSystemSignaturesData';
 
 const renderColIcon = (sig: SystemSignature) => renderIcon(sig);
 
 interface SystemSignaturesContentProps {
   systemId: string;
+  signatures: ExtendedSystemSignature[];
+  selectedSignatures?: ExtendedSystemSignature[];
+  onSelectSignatures?: (s: ExtendedSystemSignature[]) => void;
+  onDeleteSelected?: () => Promise<void>;
+  onSelectAll?: () => void;
+  onPaste?: (clipboardString: string) => void;
   settings: SignatureSettingsType;
   hideLinkedSignatures?: boolean;
+  hasUnsupportedLanguage?: boolean;
   selectable?: boolean;
   onSelect?: (signature: SystemSignature) => void;
-  onLazyDeleteChange?: (value: boolean) => void;
-  onCountChange?: (count: number) => void;
   filterSignature?: (signature: SystemSignature) => boolean;
-  onSignatureDeleted?: (deletedSignatures: ExtendedSystemSignature[]) => void;
-  deletedSignatures?: ExtendedSystemSignature[];
 }
 
 export const SystemSignaturesContent = ({
   systemId,
+  signatures,
+  selectedSignatures,
+  onSelectSignatures,
+  onDeleteSelected,
+  onSelectAll,
+  onPaste,
   settings,
   hideLinkedSignatures,
+  hasUnsupportedLanguage,
   selectable,
   onSelect,
-  onLazyDeleteChange,
-  onCountChange,
   filterSignature,
-  onSignatureDeleted,
-  deletedSignatures = [],
 }: SystemSignaturesContentProps) => {
   const [selectedSignatureForDialog, setSelectedSignatureForDialog] = useState<SystemSignature | null>(null);
   const [showSignatureSettings, setShowSignatureSettings] = useState(false);
@@ -79,32 +84,18 @@ export const SystemSignaturesContent = ({
 
   const { clipboardContent, setClipboardContent } = useClipboard();
 
-  const {
-    signatures,
-    selectedSignatures,
-    setSelectedSignatures,
-    handleDeleteSelected,
-    handleSelectAll,
-    handlePaste,
-    hasUnsupportedLanguage,
-  } = useSystemSignaturesData({
-    systemId,
-    settings,
-    onCountChange,
-    onLazyDeleteChange,
-    onSignatureDeleted,
-  });
+  const deletedSignatures = useMemo(() => signatures.filter(s => s.deleted), [signatures]);
 
   useEffect(() => {
     if (selectable) return;
     if (!clipboardContent?.text) return;
 
-    handlePaste(clipboardContent.text);
+    onPaste?.(clipboardContent.text);
 
     setClipboardContent(null);
-  }, [selectable, clipboardContent, handlePaste, setClipboardContent]);
+  }, [selectable, clipboardContent, onPaste, setClipboardContent]);
 
-  useHotkey(true, ['a'], handleSelectAll);
+  useHotkey(true, ['a'], () => onSelectAll?.());
 
   useHotkey(false, ['Backspace', 'Delete'], (event: KeyboardEvent) => {
     const targetWindow = (event.target as HTMLHtmlElement)?.closest(`[data-window-id="${SIGNATURE_WINDOW_ID}"]`);
@@ -117,7 +108,7 @@ export const SystemSignaturesContent = ({
     event.stopPropagation();
 
     // Delete key should always immediately delete, never show pending deletions
-    handleDeleteSelected();
+    onDeleteSelected?.();
   });
 
   const handleResize = useCallback(() => {
@@ -152,9 +143,9 @@ export const SystemSignaturesContent = ({
 
       selectable
         ? onSelect?.(selectableSignatures[0])
-        : setSelectedSignatures(selectableSignatures as ExtendedSystemSignature[]);
+        : onSelectSignatures?.(selectableSignatures as ExtendedSystemSignature[]);
     },
-    [onSelect, selectable, setSelectedSignatures, deletedSignatures],
+    [onSelect, selectable, onSelectSignatures, deletedSignatures],
   );
 
   const {
@@ -177,9 +168,6 @@ export const SystemSignaturesContent = ({
   );
 
   const filteredSignatures = useMemo<ExtendedSystemSignature[]>(() => {
-    // Get the set of deleted signature IDs for quick lookup
-    const deletedIds = new Set(deletedSignatures.map(sig => sig.eve_id));
-
     // Common filter function
     const shouldShowSignature = (sig: ExtendedSystemSignature): boolean => {
       if (filterSignature && !filterSignature(sig)) {
@@ -213,24 +201,8 @@ export const SystemSignaturesContent = ({
       return settings[sig.kind] as boolean;
     };
 
-    // Filter active signatures, excluding any that are in the deleted list
-    const activeSignatures = signatures.filter(sig => {
-      // Skip if this signature is in the deleted list
-      if (deletedIds.has(sig.eve_id)) {
-        return false;
-      }
-
-      return shouldShowSignature(sig);
-    });
-
-    // Add deleted signatures with pending deletion flag, applying the same filters
-    const deletedWithPendingFlag = deletedSignatures.filter(shouldShowSignature).map(sig => ({
-      ...sig,
-      pendingDeletion: true,
-    }));
-
-    return [...activeSignatures, ...deletedWithPendingFlag];
-  }, [signatures, hideLinkedSignatures, settings, filterSignature, deletedSignatures]);
+    return signatures.filter(sig => shouldShowSignature(sig));
+  }, [signatures, hideLinkedSignatures, settings, filterSignature]);
 
   const onRowMouseEnter = useCallback((e: DataTableRowMouseEvent) => {
     setHoveredSignature(e.data as SystemSignature);
@@ -253,20 +225,18 @@ export const SystemSignaturesContent = ({
 
     return getSignatureRowClass(
       rowData as ExtendedSystemSignature,
-      refVars.current.selectedSignatures,
+      refVars.current.selectedSignatures || [],
       refVars.current.settings[SETTINGS_KEYS.COLOR_BY_TYPE] as boolean,
     );
   }, []);
 
-  const handleSortSettings = useCallback(
-    (e: DataTableStateEvent) =>
-      refVars.current.settingsSignaturesUpdate({
-        ...refVars.current.settingsSignatures,
-        [SETTINGS_KEYS.SORT_FIELD]: e.sortField,
-        [SETTINGS_KEYS.SORT_ORDER]: e.sortOrder,
-      }),
-    [],
-  );
+  const handleSortSettings = useCallback((e: DataTableStateEvent) => {
+    refVars.current.settingsSignaturesUpdate({
+      ...refVars.current.settingsSignatures,
+      [SETTINGS_KEYS.SORT_FIELD]: e.sortField,
+      [SETTINGS_KEYS.SORT_ORDER]: e.sortOrder,
+    });
+  }, []);
 
   return (
     <div ref={tableRef} className="h-full">
@@ -287,7 +257,7 @@ export const SystemSignaturesContent = ({
             value={filteredSignatures}
             size="small"
             selectionMode="multiple"
-            selection={selectedSignatures}
+            selection={selectedSignatures || []}
             metaKeySelection
             onSelectionChange={handleSelectSignatures}
             dataKey="eve_id"
@@ -336,6 +306,8 @@ export const SystemSignaturesContent = ({
               style={{ maxWidth: nameColumnWidth }}
               hidden={isCompact || isMedium}
               body={renderInfoColumn}
+              sortable
+              sortField="name"
             />
             {showDescriptionColumn && (
               <Column

assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/helpers/rowStyles.ts

@@ -1,5 +1,5 @@
-import clsx from 'clsx';
 import { ExtendedSystemSignature, SignatureGroup } from '@/hooks/Mapper/types';
+import clsx from 'clsx';
 import { getRowBackgroundColor } from './getRowBackgroundColor';
 import classes from './rowStyles.module.scss';
 
@@ -20,7 +20,7 @@ export function getSignatureRowClass(
     return clsx([...baseCls, 'bg-violet-400/40 hover:bg-violet-300/40']);
   }
 
-  if (row.pendingDeletion) {
+  if (row.deleted) {
     return clsx([...baseCls, 'bg-red-400/40 hover:bg-red-400/50']);
   }
 

assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/types.ts

@@ -1,24 +1,20 @@
-import { ExtendedSystemSignature } from '@/hooks/Mapper/types';
 import { SignatureSettingsType } from '@/hooks/Mapper/constants/signatures.ts';
+import { ExtendedSystemSignature } from '@/hooks/Mapper/types';
 
 export interface UseSystemSignaturesDataProps {
   systemId: string;
   settings: SignatureSettingsType;
   hideLinkedSignatures?: boolean;
   onCountChange?: (count: number) => void;
-  onPendingChange?: (
-    pending: React.MutableRefObject<Record<string, ExtendedSystemSignature>>,
-    undo: () => void,
-  ) => void;
   onLazyDeleteChange?: (value: boolean) => void;
   deletionTiming?: number;
 }
 
 export interface UseFetchingParams {
   systemId: string;
+  settings: SignatureSettingsType;
   signaturesRef: React.MutableRefObject<ExtendedSystemSignature[]>;
   setSignatures: React.Dispatch<React.SetStateAction<ExtendedSystemSignature[]>>;
-  pendingDeletionMapRef: React.MutableRefObject<Record<string, ExtendedSystemSignature>>;
 }
 
 export interface UsePendingDeletionParams {

assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/usePendingDeletions.ts

@@ -1,42 +0,0 @@
-import { useCallback, useRef } from 'react';
-import { OutCommand } from '@/hooks/Mapper/types/mapHandlers';
-import { prepareUpdatePayload } from '../helpers';
-import { UsePendingDeletionParams } from './types';
-import { useMapRootState } from '@/hooks/Mapper/mapRootProvider';
-import { ExtendedSystemSignature } from '@/hooks/Mapper/types';
-
-export function usePendingDeletions({
-  systemId,
-  setSignatures,
-  onPendingChange,
-}: Omit<UsePendingDeletionParams, 'deletionTiming'>) {
-  const { outCommand } = useMapRootState();
-  const pendingDeletionMapRef = useRef<Record<string, ExtendedSystemSignature>>({});
-
-  const processRemovedSignatures = useCallback(
-    async (
-      removed: ExtendedSystemSignature[],
-      added: ExtendedSystemSignature[],
-      updated: ExtendedSystemSignature[],
-    ) => {
-      if (!removed.length) return;
-      await outCommand({
-        type: OutCommand.updateSignatures,
-        data: prepareUpdatePayload(systemId, added, updated, removed),
-      });
-    },
-    [systemId, outCommand],
-  );
-
-  const clearPendingDeletions = useCallback(() => {
-    pendingDeletionMapRef.current = {};
-    setSignatures(prev => prev.map(x => (x.pendingDeletion ? { ...x, pendingDeletion: false } : x)));
-    onPendingChange?.(pendingDeletionMapRef, clearPendingDeletions);
-  }, []);
-
-  return {
-    pendingDeletionMapRef,
-    processRemovedSignatures,
-    clearPendingDeletions,
-  };
-}

assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/useSignatureFetching.ts

@@ -1,21 +1,27 @@
-import { useCallback } from 'react';
+import { SETTINGS_KEYS } from '@/hooks/Mapper/constants/signatures';
+import { useMapRootState } from '@/hooks/Mapper/mapRootProvider';
 import { ExtendedSystemSignature, SystemSignature } from '@/hooks/Mapper/types';
 import { OutCommand } from '@/hooks/Mapper/types/mapHandlers';
-import { prepareUpdatePayload, getActualSigs, mergeLocalPending } from '../helpers';
+import { useCallback, useMemo } from 'react';
+import { getDeletionTimeoutMs } from '../constants';
+import { getActualSigs, prepareUpdatePayload } from '../helpers';
 import { UseFetchingParams } from './types';
-import { useMapRootState } from '@/hooks/Mapper/mapRootProvider';
 
-export const useSignatureFetching = ({
-  systemId,
-  signaturesRef,
-  setSignatures,
-  pendingDeletionMapRef,
-}: UseFetchingParams) => {
+export const useSignatureFetching = ({ systemId, settings, signaturesRef, setSignatures }: UseFetchingParams) => {
   const {
     data: { characters },
     outCommand,
   } = useMapRootState();
 
+  const deleteTimeout = useMemo(() => {
+    const lazyDelete = settings[SETTINGS_KEYS.LAZY_DELETE_SIGNATURES] as boolean;
+    if (!lazyDelete) {
+      return 0;
+    }
+
+    return getDeletionTimeoutMs(settings);
+  }, [settings]);
+
   const handleGetSignatures = useCallback(async () => {
     if (!systemId) {
       setSignatures([]);
@@ -32,24 +38,23 @@ export const useSignatureFetching = ({
       character_name: characters.find(c => c.eve_id === s.character_eve_id)?.name,
     })) as ExtendedSystemSignature[];
 
-    setSignatures(() => mergeLocalPending(pendingDeletionMapRef, extended));
+    setSignatures(() => extended);
   }, [characters, systemId, outCommand]);
 
   const handleUpdateSignatures = useCallback(
     async (newList: ExtendedSystemSignature[], updateOnly: boolean, skipUpdateUntouched?: boolean) => {
-      const { added, updated, removed } = getActualSigs(
-        signaturesRef.current,
-        newList,
-        updateOnly,
-        skipUpdateUntouched,
-      );
+      const actualSigs = getActualSigs(signaturesRef.current, newList, updateOnly, skipUpdateUntouched);
 
-      await outCommand({
-        type: OutCommand.updateSignatures,
-        data: prepareUpdatePayload(systemId, added, updated, removed),
-      });
+      const { added, updated, removed } = actualSigs;
+
+      if (updated.length !== 0 || added.length !== 0 || removed.length !== 0) {
+        await outCommand({
+          type: OutCommand.updateSignatures,
+          data: { ...prepareUpdatePayload(systemId, added, updated, removed), deleteTimeout },
+        });
+      }
     },
-    [systemId, outCommand, signaturesRef],
+    [systemId, deleteTimeout, outCommand, signaturesRef],
   );
 
   return {

assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/useSignatureUndo.ts

@@ -0,0 +1,89 @@
+import { SignatureSettingsType } from '@/hooks/Mapper/constants/signatures';
+import { ExtendedSystemSignature, OutCommandHandler } from '@/hooks/Mapper/types';
+import { OutCommand } from '@/hooks/Mapper/types/mapHandlers';
+import { useCallback, useEffect, useRef, useState } from 'react';
+import { getDeletionTimeoutMs } from '../constants';
+
+/**
+ * Custom hook for managing pending signature deletions and undo countdown.
+ */
+export function useSignatureUndo(
+  systemId: string | undefined,
+  settings: SignatureSettingsType,
+  deletedSignatures: ExtendedSystemSignature[],
+  outCommand: OutCommandHandler,
+) {
+  const [countdown, setCountdown] = useState<number>(0);
+  const intervalRef = useRef<number | null>(null);
+
+  // Clear deleted signatures when system changes
+  useEffect(() => {
+    if (systemId) {
+      setCountdown(0);
+      if (intervalRef.current != null) {
+        clearInterval(intervalRef.current);
+        intervalRef.current = null;
+      }
+    }
+  }, [systemId]);
+
+  // kick off or clear countdown whenever pendingIds changes
+  useEffect(() => {
+    // clear any existing timer
+    if (intervalRef.current != null) {
+      clearInterval(intervalRef.current);
+      intervalRef.current = null;
+    }
+
+    if (deletedSignatures.length === 0) {
+      setCountdown(0);
+      return;
+    }
+
+    // determine timeout from settings
+    const timeoutMs = getDeletionTimeoutMs(settings);
+
+    // Ensure a minimum of 1 second for immediate deletion so the UI shows
+    const effectiveTimeoutMs = timeoutMs === 0 ? 1000 : timeoutMs;
+
+    setCountdown(Math.ceil(effectiveTimeoutMs / 1000));
+
+    // start new interval
+    intervalRef.current = window.setInterval(() => {
+      setCountdown(prev => {
+        if (prev <= 1) {
+          clearInterval(intervalRef.current!);
+          intervalRef.current = null;
+          return 0;
+        }
+        return prev - 1;
+      });
+    }, 1000);
+
+    return () => {
+      if (intervalRef.current != null) {
+        clearInterval(intervalRef.current);
+        intervalRef.current = null;
+      }
+    };
+  }, [deletedSignatures, settings]);
+
+  // undo handler
+  const handleUndo = useCallback(async () => {
+    if (!systemId || deletedSignatures.length === 0) return;
+    await outCommand({
+      type: OutCommand.undoDeleteSignatures,
+      data: { system_id: systemId, eve_ids: deletedSignatures.map(s => s.eve_id) },
+    });
+    setCountdown(0);
+    if (intervalRef.current != null) {
+      clearInterval(intervalRef.current);
+      intervalRef.current = null;
+    }
+  }, [systemId, deletedSignatures, outCommand]);
+
+  return {
+    countdown,
+    handleUndo,
+  };
+}

assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/hooks/useSystemSignaturesData.ts

@@ -1,44 +1,29 @@
 import { useMapEventListener } from '@/hooks/Mapper/events';
 import { parseSignatures } from '@/hooks/Mapper/helpers';
 import { Commands, ExtendedSystemSignature, SignatureKind } from '@/hooks/Mapper/types';
-import { OutCommand } from '@/hooks/Mapper/types/mapHandlers';
 import { useCallback, useEffect, useState } from 'react';
 import useRefState from 'react-usestateref';
 
-import { getDeletionTimeoutMs } from '@/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/constants.ts';
-import { useMapRootState } from '@/hooks/Mapper/mapRootProvider';
-import { getActualSigs } from '../helpers';
-import { UseSystemSignaturesDataProps } from './types';
-import { usePendingDeletions } from './usePendingDeletions';
-import { useSignatureFetching } from './useSignatureFetching';
 import { SETTINGS_KEYS } from '@/hooks/Mapper/constants/signatures.ts';
+import { UseSystemSignaturesDataProps } from './types';
+import { useSignatureFetching } from './useSignatureFetching';
 
 export const useSystemSignaturesData = ({
   systemId,
   settings,
-  onCountChange,
-  onPendingChange,
   onLazyDeleteChange,
-  onSignatureDeleted,
 }: Omit<UseSystemSignaturesDataProps, 'deletionTiming'> & {
   onSignatureDeleted?: (deletedSignatures: ExtendedSystemSignature[]) => void;
 }) => {
-  const { outCommand } = useMapRootState();
   const [signatures, setSignatures, signaturesRef] = useRefState<ExtendedSystemSignature[]>([]);
   const [selectedSignatures, setSelectedSignatures] = useState<ExtendedSystemSignature[]>([]);
   const [hasUnsupportedLanguage, setHasUnsupportedLanguage] = useState<boolean>(false);
 
-  const { pendingDeletionMapRef, processRemovedSignatures, clearPendingDeletions } = usePendingDeletions({
-    systemId,
-    setSignatures,
-    onPendingChange,
-  });
-
   const { handleGetSignatures, handleUpdateSignatures } = useSignatureFetching({
     systemId,
+    settings,
     signaturesRef,
     setSignatures,
-    pendingDeletionMapRef,
   });
 
   const handlePaste = useCallback(
@@ -67,40 +52,14 @@ export const useSystemSignaturesData = ({
         setHasUnsupportedLanguage(false);
       }
 
-      const currentNonPending = lazyDeleteValue
-        ? signaturesRef.current.filter(sig => !sig.pendingDeletion)
-        : signaturesRef.current.filter(sig => !sig.pendingDeletion || !sig.pendingAddition);
-
-      const { added, updated, removed } = getActualSigs(currentNonPending, incomingSignatures, !lazyDeleteValue, false);
-
-      if (removed.length > 0) {
-        await processRemovedSignatures(removed, added, updated);
-
-        // Show pending deletions if lazy deletion is enabled
-        // The deletion timing controls how long the countdown lasts, not whether lazy delete is active
-        if (onSignatureDeleted && lazyDeleteValue) {
-          onSignatureDeleted(removed);
-        }
-      }
-
-      if (updated.length !== 0 || added.length !== 0) {
-        await outCommand({
-          type: OutCommand.updateSignatures,
-          data: {
-            system_id: systemId,
-            added,
-            updated,
-            removed: [],
-          },
-        });
-      }
+      await handleUpdateSignatures(incomingSignatures, !lazyDeleteValue, false);
 
       const keepLazy = settings[SETTINGS_KEYS.KEEP_LAZY_DELETE] as boolean;
       if (lazyDeleteValue && !keepLazy) {
         onLazyDeleteChange?.(false);
       }
     },
-    [settings, signaturesRef, processRemovedSignatures, outCommand, systemId, onLazyDeleteChange, onSignatureDeleted],
+    [settings, handleUpdateSignatures, onLazyDeleteChange],
   );
 
   const handleDeleteSelected = useCallback(async () => {
@@ -109,23 +68,15 @@ export const useSystemSignaturesData = ({
     const selectedIds = selectedSignatures.map(s => s.eve_id);
     const finalList = signatures.filter(s => !selectedIds.includes(s.eve_id));
 
-    // IMPORTANT: Send deletion to server BEFORE updating local state
-    // Otherwise signaturesRef.current will be updated and getActualSigs won't detect removals
-    await handleUpdateSignatures(finalList, false, true);
-
-    // Update local state after server call
-    setSignatures(finalList);
     setSelectedSignatures([]);
-  }, [handleUpdateSignatures, selectedSignatures, signatures, setSignatures]);
+
+    await handleUpdateSignatures(finalList, false, true);
+  }, [handleUpdateSignatures, selectedSignatures, signatures]);
 
   const handleSelectAll = useCallback(() => {
     setSelectedSignatures(signatures);
   }, [signatures]);
 
-  const undoPending = useCallback(() => {
-    clearPendingDeletions();
-  }, [clearPendingDeletions]);
-
   useMapEventListener(event => {
     if (event.name === Commands.signaturesUpdated && String(event.data) === String(systemId)) {
       handleGetSignatures();
@@ -136,18 +87,13 @@ export const useSystemSignaturesData = ({
   useEffect(() => {
     if (!systemId) {
       setSignatures([]);
-      undoPending();
       return;
     }
     handleGetSignatures();
   }, [systemId]);
 
-  useEffect(() => {
-    onCountChange?.(signatures.length);
-  }, [signatures]);
-
   return {
-    signatures: signatures.filter(sig => !sig.deleted),
+    signatures,
     selectedSignatures,
     setSelectedSignatures,
     handleDeleteSelected,

assets/js/hooks/Mapper/components/mapInterface/widgets/SystemSignatures/renders/renderInfoColumn.tsx

@@ -1,14 +1,14 @@
-import { PrimeIcons } from 'primereact/api';
-import { SignatureGroup, SystemSignature } from '@/hooks/Mapper/types';
 import { SystemViewStandalone, TooltipPosition, WHClassView } from '@/hooks/Mapper/components/ui-kit';
+import { SignatureGroup, SystemSignature } from '@/hooks/Mapper/types';
+import { PrimeIcons } from 'primereact/api';
 
 import { renderK162Type } from '@/hooks/Mapper/components/mapRootContent/components/SignatureSettings/components/SignatureK162TypeSelect';
 import { WdTooltipWrapper } from '@/hooks/Mapper/components/ui-kit/WdTooltipWrapper';
 
-import clsx from 'clsx';
-import { renderName } from './renderName.tsx';
 import { K162_TYPES_MAP } from '@/hooks/Mapper/constants.ts';
 import { parseSignatureCustomInfo } from '@/hooks/Mapper/helpers/parseSignatureCustomInfo.ts';
+import clsx from 'clsx';
+import { renderName } from './renderName.tsx';
 
 export const renderInfoColumn = (row: SystemSignature) => {
   if (!row.group || row.group === SignatureGroup.Wormhole) {
@@ -18,6 +18,8 @@ export const renderInfoColumn = (row: SystemSignature) => {
 
     return (
       <div className="flex justify-start items-center gap-[4px]">
+        {row.temporary_name && <span className={clsx('text-[12px]')}>{row.temporary_name}</span>}
+
         {customInfo.isEOL && (
           <WdTooltipWrapper offset={5} position={TooltipPosition.top} content="Signature marked as EOL">
             <div className="pi pi-clock text-fuchsia-400 text-[11px] mr-[2px]"></div>