feat: per-row and global discount with margin validation

Parts (wo_parts) already had discount_pct; now also added to wo_works.
Labor catalog gets a cost_price field as the hard minimum sell floor.

- WorkOrderWork: discount_pct + cost_price fields; total calculation
  now includes discount: hours × price_per_hour × (1 − disc/100)
- Labor model: cost_price field (used to pre-fill work rows and validate)
- WorksRelationManager: discount_pct field with live helper text showing
  effective price + margin %; validation blocks save if below buy cost
  or below company min_discount_margin_pct; "Reducere globală" header
  action applies % to all work rows (skips rows that would breach limits)
- PartsRelationManager: same validation on existing discount_pct field;
  helper text (🟢/🟠/🔴) shows effective price + margin in real time;
  "Reducere globală" header action for all parts
- Settings page: new "Reduceri & limite preț" section with
  min_discount_margin_pct — 0 = no limit, >0 = hard block below that %
- LaborResource form: cost_price field

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

app/Filament/Tenant/Pages/Settings.php

@@ -69,6 +69,7 @@ class Settings extends Page
             'telegram_bot_token' => data_get($settings, 'telegram.bot_token'),
             'reminder_after_days' => data_get($settings, 'reminder.after_days', 365),
             'reminder_cooldown_days' => data_get($settings, 'reminder.cooldown_days', 30),
+            'min_discount_margin_pct' => $settings['min_discount_margin_pct'] ?? 0,
             'default_internal_margin_pct' => $settings['default_internal_margin_pct'] ?? null,
             'show_internal_margin_details' => data_get($settings, 'show_internal_margin_details', true),
             'shop_enabled' => data_get($settings, 'shop.enabled', false),
@@ -123,6 +124,21 @@ class Settings extends Page
                     ->schema([
                         Forms\Components\TextInput::make('labor_rate')->label(__('Tarif normo-oră'))->numeric()->required(),
                     ]),
+                Schemas\Components\Section::make(__('Reduceri & limite preț'))
+                    ->description(__('Setează marja minimă permisă la vânzare. Sub această limită formularul blochează salvarea.'))
+                    ->columns(2)
+                    ->schema([
+                        Forms\Components\TextInput::make('min_discount_margin_pct')
+                            ->label(__('Marjă minimă vânzare (%)'))
+                            ->numeric()
+                            ->step(0.1)
+                            ->minValue(0)
+                            ->maxValue(99)
+                            ->suffix('%')
+                            ->placeholder('Ex: 10')
+                            ->default(0)
+                            ->helperText(__('0 = fără limită. Ex: 10 = marja minimă 10%, adică nu poți da reducere care aduce marja sub 10%.')),
+                    ]),
                 Schemas\Components\Section::make(__('Marjă internă (nu TVA)'))
                     ->description(__('Procent implicit aplicat la manopere. Se scade din prețul de manoperă pentru a determina baza salariului mecanicului. Vizibilă doar rolurilor cu drept „finance.view_internal_margin".'))
                     ->columns(2)
@@ -315,6 +331,8 @@ class Settings extends Page
                     'after_days' => (int) ($data['reminder_after_days'] ?? 365),
                     'cooldown_days' => (int) ($data['reminder_cooldown_days'] ?? 30),
                 ],
+                'min_discount_margin_pct' => isset($data['min_discount_margin_pct']) && $data['min_discount_margin_pct'] !== ''
+                    ? (float) $data['min_discount_margin_pct'] : 0,
                 'default_internal_margin_pct' => $data['default_internal_margin_pct'] !== '' && $data['default_internal_margin_pct'] !== null
                     ? (float) $data['default_internal_margin_pct'] : null,
                 'show_internal_margin_details' => (bool) ($data['show_internal_margin_details'] ?? true),

app/Filament/Tenant/Resources/LaborResource.php

@@ -71,6 +71,8 @@ class LaborResource extends Resource
                     Forms\Components\TextInput::make('fixed_price')->label(__('Preț fix (MDL)'))->numeric()->default(0)
                         ->visible(fn (Schemas\Components\Utilities\Get $get) => $get('pricing_mode') === 'fixed'),
                     Forms\Components\TextInput::make('price')->label(__('Preț orientativ (MDL)'))->numeric()->default(0),
+                    Forms\Components\TextInput::make('cost_price')->label(__('Preț cost (MDL)'))->numeric()->default(0)
+                        ->helperText(__('Costul intern — limita minimă sub care nu se poate vinde cu reducere.')),
                     Forms\Components\Toggle::make('is_active')->label(__('Activă'))->default(true),
                 ]),
             Forms\Components\Textarea::make('notes')->label(__('Observații'))->columnSpanFull()->rows(2),

app/Filament/Tenant/Resources/WorkOrderResource/RelationManagers/PartsRelationManager.php

@@ -6,10 +6,12 @@ use App\Models\Tenant\Part;
 use App\Models\Tenant\PartReservation;
 use App\Models\Tenant\WorkOrderPart;
 use App\Services\Warehouse\WarehouseService;
+use App\Tenancy\TenantManager;
 use Filament\Actions;
 use Filament\Forms;
 use Filament\Notifications\Notification;
 use Filament\Resources\RelationManagers\RelationManager;
+use Filament\Schemas\Components\Utilities\Get;
 use Filament\Schemas\Components\Utilities\Set;
 use Filament\Schemas\Schema;
 use Filament\Tables;
@@ -26,6 +28,12 @@ class PartsRelationManager extends RelationManager
         return __('Piese');
     }
 
+    private static function minMargin(): float
+    {
+        $company = app(TenantManager::class)->current();
+        return (float) data_get($company?->settings, 'min_discount_margin_pct', 0);
+    }
+
     public function form(Schema $schema): Schema
     {
         return $schema->components([
@@ -55,7 +63,55 @@ class PartsRelationManager extends RelationManager
             Forms\Components\Select::make('unit_id')->label(__('UM'))->options(\App\Models\Tenant\Unit::forSelect())->searchable()->default(fn () => \App\Models\Tenant\Unit::where('code','buc')->value('id'))->default('buc'),
             Forms\Components\TextInput::make('buy_price')->label(__('Preț achiziție'))->numeric()->default(0),
             Forms\Components\TextInput::make('sell_price')->label(__('Preț vânzare'))->numeric()->required(),
-            Forms\Components\TextInput::make('discount_pct')->label(__('Discount %'))->numeric()->default(0),
+            Forms\Components\TextInput::make('discount_pct')
+                ->label(__('Reducere %'))
+                ->numeric()
+                ->default(0)
+                ->minValue(0)
+                ->maxValue(100)
+                ->step(0.01)
+                ->live(onBlur: true)
+                ->rules([
+                    fn (Get $get): \Closure => function (string $attribute, $value, \Closure $fail) use ($get) {
+                        $sellPrice = max(0, (float) $get('sell_price'));
+                        $buyPrice  = max(0, (float) $get('buy_price'));
+                        $disc      = min(100, max(0, (float) $value));
+                        $effective = round($sellPrice * (1 - $disc / 100), 2);
+
+                        if ($buyPrice > 0 && $effective < $buyPrice) {
+                            $fail(__('Prețul efectiv (:eff MDL) este sub prețul de achiziție (:buy MDL).', [
+                                'eff' => number_format($effective, 2),
+                                'buy' => number_format($buyPrice, 2),
+                            ]));
+                            return;
+                        }
+
+                        $minMargin = self::minMargin();
+                        if ($minMargin > 0 && $sellPrice > 0 && $buyPrice > 0 && $effective > 0) {
+                            $margin = ($effective - $buyPrice) / $effective * 100;
+                            if ($margin < $minMargin) {
+                                $fail(__('Marja (:m%) este sub limita minimă (:min%). Necesită permisiune specială.', [
+                                    'm'   => number_format($margin, 1),
+                                    'min' => number_format($minMargin, 1),
+                                ]));
+                            }
+                        }
+                    },
+                ])
+                ->helperText(function (Get $get, $state) {
+                    $sellPrice = max(0, (float) $get('sell_price'));
+                    $buyPrice  = max(0, (float) $get('buy_price'));
+                    $disc      = min(100, max(0, (float) $state));
+                    if ($sellPrice <= 0) return null;
+                    $effective = round($sellPrice * (1 - $disc / 100), 2);
+                    $minMargin = self::minMargin();
+                    if ($buyPrice > 0) {
+                        $margin = $effective > 0 ? ($effective - $buyPrice) / $effective * 100 : 0;
+                        $color  = ($effective < $buyPrice) ? '🔴' : (($minMargin > 0 && $margin < $minMargin) ? '🟠' : '🟢');
+                        return "{$color} " . __('Efectiv:') . ' ' . number_format($effective, 2) . ' MDL · ' . __('Marjă:') . ' ' . number_format($margin, 1) . '%';
+                    }
+                    return __('Efectiv:') . ' ' . number_format($effective, 2) . ' MDL';
+                }),
             Forms\Components\Select::make('status')
                 ->options(\App\Support\I18n::opts(WorkOrderPart::STATUSES))
                 ->default('needed')
@@ -75,6 +131,9 @@ class PartsRelationManager extends RelationManager
                 Tables\Columns\TextColumn::make('brand')->placeholder('—'),
                 Tables\Columns\TextColumn::make('qty')->label(__('Cant.'))->alignRight(),
                 Tables\Columns\TextColumn::make('sell_price')->label(__('Preț'))->money('MDL')->alignRight(),
+                Tables\Columns\TextColumn::make('discount_pct')->label(__('Disc.'))->alignRight()
+                    ->formatStateUsing(fn ($state) => $state > 0 ? number_format((float)$state, 1) . '%' : '—')
+                    ->color(fn ($state) => $state > 0 ? 'warning' : null),
                 Tables\Columns\TextColumn::make('total')->money('MDL')->alignRight(),
                 Tables\Columns\TextColumn::make('status')
                     ->formatStateUsing(fn ($s) => __(WorkOrderPart::STATUSES[$s] ?? $s))
@@ -90,6 +149,49 @@ class PartsRelationManager extends RelationManager
                 Actions\CreateAction::make()
                     ->label(__('Adaugă piesă'))
                     ->modalHeading(__('Adaugă piesă în fișă')),
+
+                Actions\Action::make('bulk_discount_parts')
+                    ->label(__('Reducere globală'))
+                    ->icon('heroicon-m-tag')
+                    ->color('warning')
+                    ->schema([
+                        Forms\Components\TextInput::make('discount_pct')
+                            ->label(__('Reducere % (toate piesele)'))
+                            ->numeric()
+                            ->minValue(0)
+                            ->maxValue(100)
+                            ->step(0.01)
+                            ->required()
+                            ->helperText(__('Aplică același % de reducere la toate piesele din această fișă.')),
+                    ])
+                    ->action(function (array $data) {
+                        $disc      = min(100, max(0, (float) $data['discount_pct']));
+                        $minMargin = self::minMargin();
+                        $blocked   = 0;
+
+                        foreach ($this->getOwnerRecord()->parts as $part) {
+                            $sell      = (float) $part->sell_price;
+                            $buy       = (float) $part->buy_price;
+                            $effective = round($sell * (1 - $disc / 100), 2);
+
+                            if ($buy > 0 && $effective < $buy) { $blocked++; continue; }
+                            if ($minMargin > 0 && $sell > 0 && $buy > 0 && $effective > 0) {
+                                $margin = ($effective - $buy) / $effective * 100;
+                                if ($margin < $minMargin) { $blocked++; continue; }
+                            }
+                            $part->update(['discount_pct' => $disc]);
+                        }
+
+                        $msg = $blocked > 0
+                            ? __(':n piese blocate (sub limita de marjă sau preț achiziție).', ['n' => $blocked])
+                            : null;
+
+                        Notification::make()
+                            ->title(__('Reducere aplicată'))
+                            ->body($msg)
+                            ->{$blocked > 0 ? 'warning' : 'success'}()
+                            ->send();
+                    }),
             ])
             ->actions([
                 Actions\Action::make('smart_price')

app/Filament/Tenant/Resources/WorkOrderResource/RelationManagers/WorksRelationManager.php

@@ -5,9 +5,11 @@ namespace App\Filament\Tenant\Resources\WorkOrderResource\RelationManagers;
 use App\Models\Tenant\Labor;
 use App\Models\Tenant\User;
 use App\Models\Tenant\WorkOrderWork;
+use App\Tenancy\TenantManager;
 use Filament\Actions;
 use Filament\Forms;
 use Filament\Resources\RelationManagers\RelationManager;
+use Filament\Schemas\Components\Utilities\Get;
 use Filament\Schemas\Components\Utilities\Set;
 use Filament\Schemas\Schema;
 use Filament\Tables;
@@ -24,6 +26,12 @@ class WorksRelationManager extends RelationManager
         return __('Manopere');
     }
 
+    private static function minMargin(): float
+    {
+        $company = app(TenantManager::class)->current();
+        return (float) data_get($company?->settings, 'min_discount_margin_pct', 0);
+    }
+
     public function form(Schema $schema): Schema
     {
         return $schema->components([
@@ -40,6 +48,8 @@ class WorksRelationManager extends RelationManager
                         $set('name', $labor->label());
                         $set('hours', $labor->hours);
                         $set('price_per_hour', $labor->hours > 0 ? round($labor->price / max((float) $labor->hours, 1), 2) : 0);
+                        $set('cost_price', $labor->cost_price);
+                        $set('discount_pct', 0);
                     }
                 })
                 ->createOptionForm([
@@ -49,15 +59,77 @@ class WorksRelationManager extends RelationManager
                     Forms\Components\TextInput::make('name_ro')->label(__('Denumire'))->required(),
                     Forms\Components\TextInput::make('hours')->label(__('Ore normate'))->numeric()->default(1)->required(),
                     Forms\Components\TextInput::make('price')->label(__('Preț total (MDL)'))->numeric()->default(0)->required(),
+                    Forms\Components\TextInput::make('cost_price')->label(__('Preț cost (MDL)'))->numeric()->default(0),
                 ])
                 ->createOptionUsing(function (array $data) {
                     $data['is_active'] = true;
                     return Labor::create($data)->id;
                 })
                 ->columnSpanFull(),
+
             Forms\Components\TextInput::make('name')->label(__('Nume'))->required()->columnSpanFull(),
-            Forms\Components\TextInput::make('hours')->label(__('Ore'))->numeric()->default(1)->required(),
+            Forms\Components\TextInput::make('hours')->label(__('Ore'))->numeric()->default(1)->required()->live(onBlur: true),
-            Forms\Components\TextInput::make('price_per_hour')->label(__('Preț/h'))->numeric()->required(),
+            Forms\Components\TextInput::make('price_per_hour')->label(__('Preț/h'))->numeric()->required()->live(onBlur: true),
+            Forms\Components\TextInput::make('cost_price')
+                ->label(__('Preț cost (MDL)'))
+                ->numeric()
+                ->default(0)
+                ->helperText(__('Costul intern al manoperei — limita minimă de vânzare')),
+
+            Forms\Components\TextInput::make('discount_pct')
+                ->label(__('Reducere %'))
+                ->numeric()
+                ->default(0)
+                ->minValue(0)
+                ->maxValue(100)
+                ->step(0.01)
+                ->live(onBlur: true)
+                ->rules([
+                    fn (Get $get): \Closure => function (string $attribute, $value, \Closure $fail) use ($get) {
+                        $hours     = max(0, (float) $get('hours'));
+                        $rate      = max(0, (float) $get('price_per_hour'));
+                        $costPrice = max(0, (float) $get('cost_price'));
+                        $disc      = min(100, max(0, (float) $value));
+                        $gross     = $hours * $rate;
+                        $effective = round($gross * (1 - $disc / 100), 2);
+
+                        if ($costPrice > 0 && $effective < $costPrice) {
+                            $fail(__('Prețul efectiv (:eff MDL) este sub prețul de cost (:cost MDL).', [
+                                'eff'  => number_format($effective, 2),
+                                'cost' => number_format($costPrice, 2),
+                            ]));
+                            return;
+                        }
+
+                        $minMargin = self::minMargin();
+                        if ($minMargin > 0 && $gross > 0 && $costPrice > 0) {
+                            $margin = ($effective - $costPrice) / $effective * 100;
+                            if ($margin < $minMargin) {
+                                $fail(__('Marja (:m%) este sub limita minimă (:min%). Necesită permisiune specială.', [
+                                    'm'   => number_format($margin, 1),
+                                    'min' => number_format($minMargin, 1),
+                                ]));
+                            }
+                        }
+                    },
+                ])
+                ->helperText(function (Get $get, $state) {
+                    $hours    = max(0, (float) $get('hours'));
+                    $rate     = max(0, (float) $get('price_per_hour'));
+                    $cost     = max(0, (float) $get('cost_price'));
+                    $disc     = min(100, max(0, (float) $state));
+                    $gross    = $hours * $rate;
+                    $effective = round($gross * (1 - $disc / 100), 2);
+                    if ($gross <= 0) return null;
+                    $minMargin = self::minMargin();
+                    if ($cost > 0 && $gross > 0) {
+                        $margin = $effective > 0 ? ($effective - $cost) / $effective * 100 : 0;
+                        $color  = ($margin < $minMargin && $minMargin > 0) ? '🔴' : '🟢';
+                        return "{$color} " . __('Efectiv:') . ' ' . number_format($effective, 2) . ' MDL · ' . __('Marjă:') . ' ' . number_format($margin, 1) . '%';
+                    }
+                    return __('Efectiv:') . ' ' . number_format($effective, 2) . ' MDL';
+                }),
+
             Forms\Components\Select::make('master_id')
                 ->label(__('Maistru'))
                 ->options(fn () => User::pluck('name', 'id'))
@@ -70,13 +142,12 @@ class WorksRelationManager extends RelationManager
         ]);
     }
 
-    /** Global visibility flag from tenant Settings — user can hide margin details in-session. */
     private static function marginDetailsVisible(): bool
     {
         if (! auth()->user()?->canDo(\App\Auth\Permissions::FINANCE_VIEW_INTERNAL_MARGIN)) {
             return false;
         }
-        $tenant = app(\App\Tenancy\TenantManager::class)->current();
+        $tenant = app(TenantManager::class)->current();
         return (bool) data_get($tenant?->settings, 'show_internal_margin_details', true);
     }
 
@@ -89,13 +160,15 @@ class WorksRelationManager extends RelationManager
                     ->getStateUsing(fn ($record) => $record->labor?->label() ?: $record->name),
                 Tables\Columns\TextColumn::make('hours')->label(__('Ore'))->numeric(decimalPlaces: 2)->alignRight(),
                 Tables\Columns\TextColumn::make('price_per_hour')->label(__('Preț/h'))->money('MDL')->alignRight(),
+                Tables\Columns\TextColumn::make('discount_pct')->label(__('Discount'))->alignRight()
+                    ->formatStateUsing(fn ($state) => $state > 0 ? number_format((float)$state, 1) . '%' : '—')
+                    ->color(fn ($state) => $state > 0 ? 'warning' : null),
                 Tables\Columns\TextColumn::make('total')
                     ->label(__('Total'))
                     ->money('MDL')
                     ->alignRight()
                     ->description(function ($record) {
                         if (! self::marginDetailsVisible() || $record->salary_base === null) return null;
-                        // WO-level toggle off → hide margin text complet
                         if ($record->workOrder && $record->workOrder->apply_margin === false) return null;
                         if ((float) $record->applied_margin_pct === 0.0) return null;
                         return 'Bază salariu: ' . number_format((float) $record->salary_base, 2) . ' MDL · marjă ' . rtrim(rtrim(number_format((float) $record->applied_margin_pct, 2), '0'), '.') . '%';
@@ -111,7 +184,6 @@ class WorksRelationManager extends RelationManager
                     ->label(__('Adaugă manoperă'))
                     ->modalHeading(__('Adaugă manoperă în fișă'))
                     ->after(function (WorkOrderWork $record) {
-                        // Auto-add the labor's default parts to the parent WO.
                         if (! $record->labor_id) return;
                         $labor = Labor::with('laborParts.part')->find($record->labor_id);
                         $wo = $record->workOrder;
@@ -126,6 +198,49 @@ class WorksRelationManager extends RelationManager
                             ->title(__('Piese implicite adăugate (:n)', ['n' => $labor->laborParts->count()]))
                             ->success()->send();
                     }),
+
+                Actions\Action::make('bulk_discount_works')
+                    ->label(__('Reducere globală'))
+                    ->icon('heroicon-m-tag')
+                    ->color('warning')
+                    ->schema([
+                        Forms\Components\TextInput::make('discount_pct')
+                            ->label(__('Reducere % (toate manoperele)'))
+                            ->numeric()
+                            ->minValue(0)
+                            ->maxValue(100)
+                            ->step(0.01)
+                            ->required()
+                            ->helperText(__('Aplică același % de reducere la toate liniile de manoperă din această fișă.')),
+                    ])
+                    ->action(function (array $data) {
+                        $disc    = min(100, max(0, (float) $data['discount_pct']));
+                        $minMargin = self::minMargin();
+                        $blocked = 0;
+
+                        foreach ($this->getOwnerRecord()->works as $work) {
+                            $gross     = (float) $work->hours * (float) $work->price_per_hour;
+                            $effective = round($gross * (1 - $disc / 100), 2);
+                            $cost      = (float) $work->cost_price;
+
+                            if ($cost > 0 && $effective < $cost) { $blocked++; continue; }
+                            if ($minMargin > 0 && $effective > 0 && $cost > 0) {
+                                $margin = ($effective - $cost) / $effective * 100;
+                                if ($margin < $minMargin) { $blocked++; continue; }
+                            }
+                            $work->update(['discount_pct' => $disc]);
+                        }
+
+                        $msg = $blocked > 0
+                            ? __(':n linii blocate (sub limita de marjă sau preț cost).', ['n' => $blocked])
+                            : null;
+
+                        \Filament\Notifications\Notification::make()
+                            ->title(__('Reducere aplicată'))
+                            ->body($msg)
+                            ->{$blocked > 0 ? 'warning' : 'success'}()
+                            ->send();
+                    }),
             ])
             ->actions([
                 Actions\EditAction::make(),

app/Models/Tenant/Labor.php

@@ -23,7 +23,7 @@ class Labor extends Model
 
     protected $fillable = [
         'company_id', 'category', 'name_ro', 'name_ru', 'name_en', 'code',
-        'hours', 'pricing_mode', 'fixed_price', 'price', 'is_active', 'notes',
+        'hours', 'pricing_mode', 'fixed_price', 'price', 'cost_price', 'is_active', 'notes',
     ];
 
     /** Localised name — prefers name_{locale}, falls back to name_ro. */
@@ -38,6 +38,7 @@ class Labor extends Model
         'hours' => 'decimal:2',
         'fixed_price' => 'decimal:2',
         'price' => 'decimal:2',
+        'cost_price' => 'decimal:2',
         'is_active' => 'boolean',
     ];
 

app/Models/Tenant/WorkOrderWork.php

@@ -41,7 +41,7 @@ class WorkOrderWork extends Model
 
     protected $fillable = [
         'company_id', 'work_order_id', 'labor_id', 'master_id',
-        'name', 'hours', 'price_per_hour', 'total', 'status', 'notes',
+        'name', 'hours', 'price_per_hour', 'discount_pct', 'cost_price', 'total', 'status', 'notes',
         'requires_approval', 'approved_at', 'approval_token', 'declined_at',
         'mechanic_status', 'mechanic_started_at', 'mechanic_done_at',
         'actual_hours', 'paused_seconds_total', 'paused_at',
@@ -52,6 +52,8 @@ class WorkOrderWork extends Model
     protected $casts = [
         'hours' => 'decimal:2',
         'price_per_hour' => 'decimal:2',
+        'discount_pct' => 'decimal:2',
+        'cost_price' => 'decimal:2',
         'total' => 'decimal:2',
         'requires_approval' => 'boolean',
         'approved_at' => 'datetime',
@@ -173,7 +175,9 @@ class WorkOrderWork extends Model
     protected static function booted(): void
     {
         static::saving(function (self $row) {
-            $row->total = round((float) $row->hours * (float) $row->price_per_hour, 2);
+            $gross = round((float) $row->hours * (float) $row->price_per_hour, 2);
+            $disc  = min(100, max(0, (float) $row->discount_pct));
+            $row->total = round($gross * (1 - $disc / 100), 2);
             if ($row->requires_approval && empty($row->approval_token)) {
                 $row->approval_token = \Illuminate\Support\Str::random(24);
             }

database/migrations/2026_09_11_100000_add_discount_and_cost_to_works_and_labors.php

@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    public function up(): void
+    {
+        Schema::table('wo_works', function (Blueprint $table) {
+            $table->decimal('discount_pct', 5, 2)->default(0)->after('total');
+            $table->decimal('cost_price', 10, 2)->default(0)->after('discount_pct');
+        });
+
+        Schema::table('labors', function (Blueprint $table) {
+            $table->decimal('cost_price', 10, 2)->default(0)->after('price');
+        });
+    }
+
+    public function down(): void
+    {
+        Schema::table('wo_works', function (Blueprint $table) {
+            $table->dropColumn(['discount_pct', 'cost_price']);
+        });
+        Schema::table('labors', function (Blueprint $table) {
+            $table->dropColumn('cost_price');
+        });
+    }
+};