feat(client): add journals relation and improve transaction ledger handling

- Add journals relation to Client model via Branch
- Update branch selection in JournalsRelationManager to use code instead of name
- Improve tax, withholding, and cash account ledger queries by adding client_id filter and amount checks
- Add missing import for GenerateVoucher command in ExpensesRelationManager
- Label 'Normal Balance' column in AccountsRelationManager

app/Actions/Transactions/CreateTransactionAction.php

@@ -71,15 +71,21 @@ class CreateTransactionAction extends BaseAction
     {
         $accountName = $isExpense ? 'Input Tax' : 'Output Tax';
         $type = $isExpense ? 'debit' : 'credit';
+        $clientId = $payload->transactionable->branch->client_id;
 
-        $taxAccount = Account::query()->where('account', $accountName)->whereHas('balances', function ($balance) use ($payload) {
+        $taxAccount = Account::query()
-            return $balance->where('branch_id', $payload->transactionable->branch_id);
+            ->where('account', $accountName)
-        })->first();
+            ->where('client_id', $clientId)
+            ->first();
 
-        if ($taxAccount) {
+        $amount = $isExpense 
+            ? ($payload->transactionable->input_tax ?? 0.00) 
+            : ($payload->transactionable->output_tax ?? 0.00);
+
+        if ($taxAccount && $amount > 0) {
             $ledgerPayload = new CreateLedgerDTO(
                 branch_id: $payload->transactionable->branch_id,
-                amount: $payload->transactionable->input_tax ?? 0.00, // Assuming input_tax holds the tax amount for both? Or output_tax?
+                amount: $amount,
                 transaction: $payload->transaction,
                 account: $taxAccount,
                 type: $type,
@@ -93,15 +99,19 @@ class CreateTransactionAction extends BaseAction
         $isExpense = $payload->transactionable instanceof \App\Models\Expense;
         $accountName = $isExpense ? 'Payable Withholding Tax' : 'Creditable Withholding Tax';
         $type = $isExpense ? 'credit' : 'debit';
+        $clientId = $payload->transactionable->branch->client_id;
 
-        $withholdingAccount = Account::query()->where('account', $accountName)->whereHas('balances', function ($balance) use ($payload) {
+        $withholdingAccount = Account::query()
-            return $balance->where('branch_id', $payload->transactionable->branch_id);
+            ->where('account', $accountName)
-        })->first();
+            ->where('client_id', $clientId)
+            ->first();
 
-        if ($withholdingAccount) {
+        $amount = $payload->transaction->payable_withholding_tax ?? 0.00;
+
+        if ($withholdingAccount && $amount > 0) {
             $ledgerPayload = new CreateLedgerDTO(
                 branch_id: $payload->transactionable->branch_id,
-                amount: $payload->transaction->payable_withholding_tax ?? 0.00,
+                amount: $amount,
                 transaction: $payload->transaction,
                 account: $withholdingAccount,
                 type: $type,
@@ -116,12 +126,14 @@ class CreateTransactionAction extends BaseAction
         $type = $isExpense ? 'credit' : 'debit';
         $wht = $isExpense ? ($payload->transaction->payable_withholding_tax ?? 0) : ($payload->transaction->creditable_withholding_tax ?? 0);
         $amount = ($payload->transaction->gross_amount ?? 0) - $wht;
+        $clientId = $payload->transactionable->branch->client_id;
 
-        $cashAccount = Account::query()->where('account', 'Cash')->whereHas('balances', function ($balance) use ($payload) {
+        $cashAccount = Account::query()
-            return $balance->where('branch_id', $payload->transactionable->branch_id);
+            ->where('account', 'Cash')
-        })->first();
+            ->where('client_id', $clientId)
+            ->first();
 
-        if ($cashAccount) {
+        if ($cashAccount && $amount > 0) {
             $ledgerPayload = new CreateLedgerDTO(
                 branch_id: $payload->transactionable->branch_id,
                 amount: $amount, 

app/Filament/Resources/ClientResource/RelationManagers/AccountsRelationManager.php

@@ -37,7 +37,7 @@ class AccountsRelationManager extends RelationManager
             ->columns([
                 Tables\Columns\TextColumn::make('account')->description(fn (Account $record): string => $record->description ?? ''),
                 Tables\Columns\TextColumn::make('accountType.type'),
-                Tables\Columns\TextColumn::make('accountType.normal_balance'),
+                Tables\Columns\TextColumn::make('accountType.normal_balance')->label('Normal Balance'),
             ])
             ->filters([
                 //

app/Filament/Resources/ClientResource/RelationManagers/ExpensesRelationManager.php

@@ -3,6 +3,7 @@
 namespace App\Filament\Resources\ClientResource\RelationManagers;
 
 use App\Actions\Transactions\CreateTransactionAction;
+use App\Commands\Expenses\GenerateVoucher;
 use App\DataObjects\CreateTransactionDTO;
 use App\Models\Account;
 use App\Models\Branch;

app/Filament/Resources/ClientResource/RelationManagers/JournalsRelationManager.php

@@ -35,7 +35,7 @@ class JournalsRelationManager extends RelationManager
             ->schema([
                 Select::make('branch_id')
                     ->label('Branch')
-                    ->options(fn () => Branch::where('client_id', $this->getOwnerRecord()->id)->pluck('name', 'id'))
+                    ->options(fn () => Branch::where('client_id', $this->getOwnerRecord()->id)->pluck('code', 'id'))
                     ->required()
                     ->default(fn () => Branch::where('client_id', $this->getOwnerRecord()->id)->first()?->id),
                 

app/Models/Client.php

@@ -73,4 +73,9 @@ class Client extends Model
     {
         return $this->hasManyThrough(Expense::class, Branch::class);
     }
+
+    public function journals(): HasManyThrough
+    {
+        return $this->hasManyThrough(Journal::class, Branch::class);
+    }
 }