Enhance careers management features: update CareersPageController to fetch and display career listings with additional fields, modify Career model to include relationships and new attributes, and create a new view for the careers index with an application modal. Update database migration to reflect changes in the careers table structure and adjust routes for application submissions.

app/Filament/Resources/CareerResource/Pages/CreateCareer.php

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+<?php
+
+namespace App\Filament\Resources\CareerResource\Pages;
+
+use App\Filament\Resources\CareerResource;
+use Filament\Actions;
+use Filament\Resources\Pages\CreateRecord;
+
+class CreateCareer extends CreateRecord
+{
+    protected static string $resource = CareerResource::class;
+}

app/Filament/Resources/CareerResource/Pages/EditCareer.php

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+<?php
+
+namespace App\Filament\Resources\CareerResource\Pages;
+
+use App\Filament\Resources\CareerResource;
+use Filament\Actions;
+use Filament\Resources\Pages\EditRecord;
+
+class EditCareer extends EditRecord
+{
+    protected static string $resource = CareerResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            Actions\DeleteAction::make(),
+        ];
+    }
+}

app/Filament/Resources/CareerResource/Pages/ListCareers.php

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+<?php
+
+namespace App\Filament\Resources\CareerResource\Pages;
+
+use App\Filament\Resources\CareerResource;
+use Filament\Actions;
+use Filament\Resources\Pages\ListRecords;
+
+class ListCareers extends ListRecords
+{
+    protected static string $resource = CareerResource::class;
+
+    protected function getHeaderActions(): array
+    {
+        return [
+            Actions\CreateAction::make(),
+        ];
+    }
+}

app/Filament/Resources/CareerResource/RelationManagers/ApplicationsRelationManager.php

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+<?php
+
+namespace App\Filament\Resources\CareerResource\RelationManagers;
+
+use Filament\Forms;
+use Filament\Forms\Form;
+use Filament\Resources\RelationManagers\RelationManager;
+use Filament\Tables;
+use Filament\Tables\Table;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\SoftDeletingScope;
+
+class ApplicationsRelationManager extends RelationManager
+{
+    protected static string $relationship = 'applications';
+
+    public function form(Form $form): Form
+    {
+        return $form
+            ->schema([
+                Forms\Components\TextInput::make('name')
+                    ->required()
+                    ->maxLength(255),
+                Forms\Components\DatePicker::make('birthdate')
+                    ->required(),
+                Forms\Components\FileUpload::make('resume_file')
+                    ->required()
+                    ->acceptedFileTypes(['application/pdf', 'application/msword', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document'])
+                    ->disk('public') // or your preferred disk
+                    ->directory('resumes'),
+                Forms\Components\TextInput::make('email')
+                    ->email()
+                    ->required()
+                    ->maxLength(255),
+                Forms\Components\TextInput::make('phone_number')
+                    ->required()
+                    ->maxLength(20),
+                Forms\Components\Textarea::make('cover_letter')
+                    ->maxLength(65535)
+                    ->nullable()
+                    ->columnSpan('full'),
+            ]);
+    }
+
+    public function table(Table $table): Table
+    {
+        return $table
+            ->recordTitleAttribute('name')
+            ->columns([
+                Tables\Columns\TextColumn::make('name')
+                    ->searchable()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('email')
+                    ->searchable()
+                    ->sortable(),
+                Tables\Columns\TextColumn::make('phone_number')
+                    ->searchable(),
+                Tables\Columns\TextColumn::make('created_at')
+                    ->dateTime()
+                    ->sortable()
+                    ->toggleable(isToggledHiddenByDefault: true),
+            ])
+            ->filters([
+                //
+            ])
+            ->headerActions([
+                Tables\Actions\CreateAction::make(),
+            ])
+            ->actions([
+                Tables\Actions\EditAction::make(),
+                Tables\Actions\DeleteAction::make(),
+            ])
+            ->bulkActions([
+                Tables\Actions\BulkActionGroup::make([
+                    Tables\Actions\DeleteBulkAction::make(),
+                ]),
+            ]);
+    }
+}