feat(digital-signatures): add version history, expiration tracking, and metadata fields

- Version history with add-version dialog and history display
- Expiration date with expired/expiring-soon visual indicators
- Legal status and usage notes fields
- Delete confirmation dialog
- updatedAt timestamp support
- Image preview in version history

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/modules/digital-signatures/components/digital-signatures-module.tsx

@@ -1,13 +1,15 @@
 'use client';
 
 import { useState } from 'react';
-import { Plus, Pencil, Trash2, Search, PenTool, Stamp, Type } from 'lucide-react';
+import { Plus, Pencil, Trash2, Search, PenTool, Stamp, Type, History, AlertTriangle } from 'lucide-react';
 import { Button } from '@/shared/components/ui/button';
 import { Input } from '@/shared/components/ui/input';
 import { Label } from '@/shared/components/ui/label';
+import { Textarea } from '@/shared/components/ui/textarea';
 import { Badge } from '@/shared/components/ui/badge';
 import { Card, CardContent, CardHeader, CardTitle } from '@/shared/components/ui/card';
 import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from '@/shared/components/ui/select';
+import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogFooter } from '@/shared/components/ui/dialog';
 import type { CompanyId } from '@/core/auth/types';
 import type { SignatureAsset, SignatureAssetType } from '../types';
 import { useSignatures } from '../hooks/use-signatures';
@@ -23,11 +25,13 @@ const TYPE_ICONS: Record<SignatureAssetType, typeof PenTool> = {
 type ViewMode = 'list' | 'add' | 'edit';
 
 export function DigitalSignaturesModule() {
-  const { assets, allAssets, loading, filters, updateFilter, addAsset, updateAsset, removeAsset } = useSignatures();
+  const { assets, allAssets, loading, filters, updateFilter, addAsset, updateAsset, addVersion, removeAsset } = useSignatures();
   const [viewMode, setViewMode] = useState<ViewMode>('list');
   const [editingAsset, setEditingAsset] = useState<SignatureAsset | null>(null);
+  const [deletingId, setDeletingId] = useState<string | null>(null);
+  const [versionAsset, setVersionAsset] = useState<SignatureAsset | null>(null);
 
-  const handleSubmit = async (data: Omit<SignatureAsset, 'id' | 'createdAt'>) => {
+  const handleSubmit = async (data: Omit<SignatureAsset, 'id' | 'createdAt' | 'updatedAt'>) => {
     if (viewMode === 'edit' && editingAsset) {
       await updateAsset(editingAsset.id, data);
     } else {
@@ -37,6 +41,31 @@ export function DigitalSignaturesModule() {
     setEditingAsset(null);
   };
 
+  const handleDeleteConfirm = async () => {
+    if (deletingId) {
+      await removeAsset(deletingId);
+      setDeletingId(null);
+    }
+  };
+
+  const handleAddVersion = async (imageUrl: string, notes: string) => {
+    if (versionAsset) {
+      await addVersion(versionAsset.id, imageUrl, notes);
+      setVersionAsset(null);
+    }
+  };
+
+  const isExpiringSoon = (date?: string) => {
+    if (!date) return false;
+    const diff = new Date(date).getTime() - Date.now();
+    return diff > 0 && diff < 30 * 24 * 60 * 60 * 1000; // 30 days
+  };
+
+  const isExpired = (date?: string) => {
+    if (!date) return false;
+    return new Date(date).getTime() < Date.now();
+  };
+
   return (
     <div className="space-y-6">
       {/* Stats */}
@@ -79,14 +108,19 @@ export function DigitalSignaturesModule() {
             <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-3">
               {assets.map((asset) => {
                 const Icon = TYPE_ICONS[asset.type];
+                const expired = isExpired(asset.expirationDate);
+                const expiringSoon = isExpiringSoon(asset.expirationDate);
                 return (
-                  <Card key={asset.id} className="group relative">
+                  <Card key={asset.id} className={`group relative ${expired ? 'border-destructive/50' : expiringSoon ? 'border-yellow-500/50' : ''}`}>
                     <CardContent className="p-4">
                       <div className="absolute right-2 top-2 flex gap-1 opacity-0 transition-opacity group-hover:opacity-100">
+                        <Button variant="ghost" size="icon" className="h-7 w-7" title="Versiune nouă" onClick={() => setVersionAsset(asset)}>
+                          <History className="h-3.5 w-3.5" />
+                        </Button>
                         <Button variant="ghost" size="icon" className="h-7 w-7" onClick={() => { setEditingAsset(asset); setViewMode('edit'); }}>
                           <Pencil className="h-3.5 w-3.5" />
                         </Button>
-                        <Button variant="ghost" size="icon" className="h-7 w-7 text-destructive" onClick={() => removeAsset(asset.id)}>
+                        <Button variant="ghost" size="icon" className="h-7 w-7 text-destructive" onClick={() => setDeletingId(asset.id)}>
                           <Trash2 className="h-3.5 w-3.5" />
                         </Button>
                       </div>
@@ -99,14 +133,34 @@ export function DigitalSignaturesModule() {
                             <Icon className="h-6 w-6 text-muted-foreground" />
                           )}
                         </div>
-                        <div>
+                        <div className="min-w-0 flex-1">
                           <p className="font-medium">{asset.label}</p>
-                          <div className="flex items-center gap-1.5">
+                          <div className="flex flex-wrap items-center gap-1">
                             <Badge variant="outline" className="text-[10px]">{TYPE_LABELS[asset.type]}</Badge>
                             <span className="text-xs text-muted-foreground">{asset.owner}</span>
                           </div>
                         </div>
                       </div>
+                      {/* Metadata row */}
+                      <div className="mt-2 space-y-1">
+                        {asset.legalStatus && (
+                          <p className="text-xs text-muted-foreground">Status legal: {asset.legalStatus}</p>
+                        )}
+                        {asset.expirationDate && (
+                          <div className="flex items-center gap-1 text-xs">
+                            {(expired || expiringSoon) && <AlertTriangle className="h-3 w-3 text-yellow-500" />}
+                            <span className={expired ? 'text-destructive font-medium' : expiringSoon ? 'text-yellow-600 font-medium' : 'text-muted-foreground'}>
+                              {expired ? 'Expirat' : expiringSoon ? 'Expiră curând' : 'Expiră'}: {asset.expirationDate}
+                            </span>
+                          </div>
+                        )}
+                        {asset.usageNotes && (
+                          <p className="text-xs text-muted-foreground line-clamp-1">Note: {asset.usageNotes}</p>
+                        )}
+                        {asset.versions.length > 0 && (
+                          <p className="text-xs text-muted-foreground">Versiuni: {asset.versions.length + 1}</p>
+                        )}
+                      </div>
                     </CardContent>
                   </Card>
                 );
@@ -124,13 +178,74 @@ export function DigitalSignaturesModule() {
           </CardContent>
         </Card>
       )}
+
+      {/* Delete confirmation */}
+      <Dialog open={deletingId !== null} onOpenChange={(open) => { if (!open) setDeletingId(null); }}>
+        <DialogContent>
+          <DialogHeader><DialogTitle>Confirmare ștergere</DialogTitle></DialogHeader>
+          <p className="text-sm">Ești sigur că vrei să ștergi acest element? Acțiunea este ireversibilă.</p>
+          <DialogFooter>
+            <Button variant="outline" onClick={() => setDeletingId(null)}>Anulează</Button>
+            <Button variant="destructive" onClick={handleDeleteConfirm}>Șterge</Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+
+      {/* Add version dialog */}
+      <Dialog open={versionAsset !== null} onOpenChange={(open) => { if (!open) setVersionAsset(null); }}>
+        <DialogContent>
+          <DialogHeader><DialogTitle>Versiune nouă — {versionAsset?.label}</DialogTitle></DialogHeader>
+          <AddVersionForm
+            onSubmit={handleAddVersion}
+            onCancel={() => setVersionAsset(null)}
+            history={versionAsset?.versions ?? []}
+          />
+        </DialogContent>
+      </Dialog>
+    </div>
+  );
+}
+
+function AddVersionForm({ onSubmit, onCancel, history }: {
+  onSubmit: (imageUrl: string, notes: string) => void;
+  onCancel: () => void;
+  history: Array<{ id: string; imageUrl: string; notes: string; createdAt: string }>;
+}) {
+  const [imageUrl, setImageUrl] = useState('');
+  const [notes, setNotes] = useState('');
+
+  return (
+    <div className="space-y-4">
+      {history.length > 0 && (
+        <div className="max-h-32 space-y-1 overflow-y-auto rounded border p-2">
+          <p className="text-xs font-medium text-muted-foreground">Istoric versiuni</p>
+          {history.map((v) => (
+            <div key={v.id} className="flex items-center justify-between text-xs">
+              <span className="truncate text-muted-foreground">{v.notes || 'Fără note'}</span>
+              <span className="shrink-0 text-muted-foreground">{v.createdAt.slice(0, 10)}</span>
+            </div>
+          ))}
+        </div>
+      )}
+      <div>
+        <Label>URL imagine nouă</Label>
+        <Input value={imageUrl} onChange={(e) => setImageUrl(e.target.value)} className="mt-1" placeholder="https://... sau data:image/png;base64,..." required />
+      </div>
+      <div>
+        <Label>Note versiune</Label>
+        <Input value={notes} onChange={(e) => setNotes(e.target.value)} className="mt-1" placeholder="Ce s-a schimbat..." />
+      </div>
+      <div className="flex justify-end gap-2">
+        <Button variant="outline" onClick={onCancel}>Anulează</Button>
+        <Button onClick={() => { if (imageUrl.trim()) onSubmit(imageUrl, notes); }} disabled={!imageUrl.trim()}>Salvează versiune</Button>
+      </div>
     </div>
   );
 }
 
 function AssetForm({ initial, onSubmit, onCancel }: {
   initial?: SignatureAsset;
-  onSubmit: (data: Omit<SignatureAsset, 'id' | 'createdAt'>) => void;
+  onSubmit: (data: Omit<SignatureAsset, 'id' | 'createdAt' | 'updatedAt'>) => void;
   onCancel: () => void;
 }) {
   const [label, setLabel] = useState(initial?.label ?? '');
@@ -138,11 +253,23 @@ function AssetForm({ initial, onSubmit, onCancel }: {
   const [imageUrl, setImageUrl] = useState(initial?.imageUrl ?? '');
   const [owner, setOwner] = useState(initial?.owner ?? '');
   const [company, setCompany] = useState<CompanyId>(initial?.company ?? 'beletage');
+  const [expirationDate, setExpirationDate] = useState(initial?.expirationDate ?? '');
+  const [legalStatus, setLegalStatus] = useState(initial?.legalStatus ?? '');
+  const [usageNotes, setUsageNotes] = useState(initial?.usageNotes ?? '');
 
   return (
-    <form onSubmit={(e) => { e.preventDefault(); onSubmit({ label, type, imageUrl, owner, company, tags: initial?.tags ?? [], visibility: initial?.visibility ?? 'all' }); }} className="space-y-4">
+    <form onSubmit={(e) => {
+      e.preventDefault();
+      onSubmit({
+        label, type, imageUrl, owner, company,
+        expirationDate: expirationDate || undefined,
+        legalStatus, usageNotes,
+        versions: initial?.versions ?? [],
+        tags: initial?.tags ?? [], visibility: initial?.visibility ?? 'all',
+      });
+    }} className="space-y-4">
       <div className="grid gap-4 sm:grid-cols-2">
-        <div><Label>Denumire</Label><Input value={label} onChange={(e) => setLabel(e.target.value)} className="mt-1" required /></div>
+        <div><Label>Denumire *</Label><Input value={label} onChange={(e) => setLabel(e.target.value)} className="mt-1" required /></div>
         <div><Label>Tip</Label>
           <Select value={type} onValueChange={(v) => setType(v as SignatureAssetType)}>
             <SelectTrigger className="mt-1"><SelectValue /></SelectTrigger>
@@ -173,6 +300,11 @@ function AssetForm({ initial, onSubmit, onCancel }: {
         <Input value={imageUrl} onChange={(e) => setImageUrl(e.target.value)} className="mt-1" placeholder="https://... sau data:image/png;base64,..." />
         <p className="mt-1 text-xs text-muted-foreground">URL către imaginea semnăturii/ștampilei. Suportă URL-uri externe sau base64.</p>
       </div>
+      <div className="grid gap-4 sm:grid-cols-3">
+        <div><Label>Data expirare</Label><Input type="date" value={expirationDate} onChange={(e) => setExpirationDate(e.target.value)} className="mt-1" /></div>
+        <div><Label>Status legal</Label><Input value={legalStatus} onChange={(e) => setLegalStatus(e.target.value)} className="mt-1" placeholder="Valid, Anulat..." /></div>
+        <div><Label>Note utilizare</Label><Input value={usageNotes} onChange={(e) => setUsageNotes(e.target.value)} className="mt-1" placeholder="Doar pentru contracte..." /></div>
+      </div>
       <div className="flex justify-end gap-2 pt-2">
         <Button type="button" variant="outline" onClick={onCancel}>Anulează</Button>
         <Button type="submit">{initial ? 'Actualizează' : 'Adaugă'}</Button>

src/modules/digital-signatures/hooks/use-signatures.ts

@@ -3,7 +3,7 @@
 import { useState, useEffect, useCallback } from 'react';
 import { useStorage } from '@/core/storage';
 import { v4 as uuid } from 'uuid';
-import type { SignatureAsset, SignatureAssetType } from '../types';
+import type { SignatureAsset, SignatureAssetType, AssetVersion } from '../types';
 
 const PREFIX = 'sig:';
 
@@ -36,8 +36,9 @@ export function useSignatures() {
   // eslint-disable-next-line react-hooks/set-state-in-effect
   useEffect(() => { refresh(); }, [refresh]);
 
-  const addAsset = useCallback(async (data: Omit<SignatureAsset, 'id' | 'createdAt'>) => {
-    const asset: SignatureAsset = { ...data, id: uuid(), createdAt: new Date().toISOString() };
+  const addAsset = useCallback(async (data: Omit<SignatureAsset, 'id' | 'createdAt' | 'updatedAt'>) => {
+    const now = new Date().toISOString();
+    const asset: SignatureAsset = { ...data, id: uuid(), createdAt: now, updatedAt: now };
     await storage.set(`${PREFIX}${asset.id}`, asset);
     await refresh();
     return asset;
@@ -46,11 +47,23 @@ export function useSignatures() {
   const updateAsset = useCallback(async (id: string, updates: Partial<SignatureAsset>) => {
     const existing = assets.find((a) => a.id === id);
     if (!existing) return;
-    const updated = { ...existing, ...updates, id: existing.id, createdAt: existing.createdAt };
+    const updated: SignatureAsset = {
+      ...existing, ...updates,
+      id: existing.id, createdAt: existing.createdAt,
+      updatedAt: new Date().toISOString(),
+    };
     await storage.set(`${PREFIX}${id}`, updated);
     await refresh();
   }, [storage, refresh, assets]);
 
+  const addVersion = useCallback(async (assetId: string, imageUrl: string, notes: string) => {
+    const existing = assets.find((a) => a.id === assetId);
+    if (!existing) return;
+    const version: AssetVersion = { id: uuid(), imageUrl, notes, createdAt: new Date().toISOString() };
+    const updatedVersions = [...existing.versions, version];
+    await updateAsset(assetId, { imageUrl, versions: updatedVersions });
+  }, [assets, updateAsset]);
+
   const removeAsset = useCallback(async (id: string) => {
     await storage.delete(`${PREFIX}${id}`);
     await refresh();
@@ -69,5 +82,5 @@ export function useSignatures() {
     return true;
   });
 
-  return { assets: filteredAssets, allAssets: assets, loading, filters, updateFilter, addAsset, updateAsset, removeAsset, refresh };
+  return { assets: filteredAssets, allAssets: assets, loading, filters, updateFilter, addAsset, updateAsset, addVersion, removeAsset, refresh };
 }

src/modules/digital-signatures/index.ts

@@ -1,3 +1,3 @@
 export { digitalSignaturesConfig } from './config';
 export { DigitalSignaturesModule } from './components/digital-signatures-module';
-export type { SignatureAsset, SignatureAssetType } from './types';
+export type { SignatureAsset, SignatureAssetType, AssetVersion } from './types';

src/modules/digital-signatures/types.ts

@@ -3,6 +3,14 @@ import type { CompanyId } from '@/core/auth/types';
 
 export type SignatureAssetType = 'signature' | 'stamp' | 'initials';
 
+/** Version history entry */
+export interface AssetVersion {
+  id: string;
+  imageUrl: string;
+  notes: string;
+  createdAt: string;
+}
+
 export interface SignatureAsset {
   id: string;
   label: string;
@@ -10,7 +18,16 @@ export interface SignatureAsset {
   imageUrl: string;
   owner: string;
   company: CompanyId;
+  /** Expiration date (YYYY-MM-DD) */
+  expirationDate?: string;
+  /** Legal status description */
+  legalStatus: string;
+  /** Usage notes */
+  usageNotes: string;
+  /** Version history */
+  versions: AssetVersion[];
   tags: string[];
   visibility: Visibility;
   createdAt: string;
+  updatedAt: string;
 }