feat: add initial balance support to accounts, enhancing account management and balance calculations across components

components/accounts/account-edit-dialog.tsx

@@ -24,6 +24,7 @@ interface AccountFormData {
   type: Account["type"];
   folderId: string;
   externalUrl: string;
+  initialBalance: number;
 }
 
 interface AccountEditDialogProps {
@@ -99,6 +100,24 @@ export function AccountEditDialog({
               </SelectContent>
             </Select>
           </div>
+          <div className="space-y-2">
+            <Label>Solde initial</Label>
+            <Input
+              type="number"
+              step="0.01"
+              value={formData.initialBalance}
+              onChange={(e) =>
+                onFormDataChange({
+                  ...formData,
+                  initialBalance: parseFloat(e.target.value) || 0,
+                })
+              }
+              placeholder="0.00"
+            />
+            <p className="text-xs text-muted-foreground">
+              Solde de départ pour équilibrer le compte
+            </p>
+          </div>
           <div className="space-y-2">
             <Label>Lien externe (portail banque)</Label>
             <Input