Initial commit: Any-LLM Gateway with Laravel Admin Interface

- Any-LLM Gateway setup with Docker Compose
- Laravel 11 admin interface with Livewire
- Dashboard with usage statistics and charts
- Gateway Users management with budget tracking
- API Keys management with revocation
- Budget templates with assignment
- Usage Logs with filtering and CSV export
- Model Pricing management with calculator
- PostgreSQL database integration
- Complete authentication system for admins

laravel-app/app/Models/UsageLog.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class UsageLog extends Model
+{
+    protected $primaryKey = 'id';
+    public $incrementing = false;
+    protected $keyType = 'string';
+    public $timestamps = false;
+
+    protected $fillable = [
+        'id',
+        'api_key_id',
+        'user_id',
+        'timestamp',
+        'model',
+        'provider',
+        'endpoint',
+        'prompt_tokens',
+        'completion_tokens',
+        'total_tokens',
+        'cost',
+        'status',
+        'error_message',
+    ];
+
+    protected function casts(): array
+    {
+        return [
+            'timestamp' => 'datetime',
+            'prompt_tokens' => 'integer',
+            'completion_tokens' => 'integer',
+            'total_tokens' => 'integer',
+            'cost' => 'double',
+        ];
+    }
+
+    public function gatewayUser()
+    {
+        return $this->belongsTo(GatewayUser::class, 'user_id', 'user_id');
+    }
+
+    public function apiKey()
+    {
+        return $this->belongsTo(ApiKey::class, 'api_key_id', 'id');
+    }
+
+    public function scopeSuccess($query)
+    {
+        return $query->where('status', 'success');
+    }
+
+    public function scopeFailed($query)
+    {
+        return $query->where('status', '!=', 'success');
+    }
+
+    public function scopeToday($query)
+    {
+        return $query->whereDate('timestamp', today());
+    }
+
+    public function scopeDateRange($query, $start, $end)
+    {
+        return $query->whereBetween('timestamp', [$start, $end]);
+    }
+
+    public function getCostFormattedAttribute()
+    {
+        return $this->cost ? '$' . number_format($this->cost, 4) : 'N/A';
+    }
+}