Rename project from any-llm to laravel-llm

- Remove old any-llm related files (Dockerfile, config.yml, web/, setup-laravel.sh)
- Update README.md with new Laravel LLM Gateway documentation
- Keep docker-compose.yml with laravel-llm container names
- Clean project structure for Laravel-only implementation

laravel-app/app/Models/UsageLog.php

@@ -2,20 +2,23 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 
 class UsageLog extends Model
 {
-    protected $primaryKey = 'id';
+    use HasFactory;
+
+    protected $table = 'usage_logs';
+    protected $primaryKey = 'request_id';
     public $incrementing = false;
     protected $keyType = 'string';
     public $timestamps = false;
 
     protected $fillable = [
-        'id',
-        'api_key_id',
+        'request_id',
         'user_id',
-        'timestamp',
+        'api_key',
         'model',
         'provider',
         'endpoint',
@@ -25,17 +28,22 @@ class UsageLog extends Model
         'cost',
         'status',
         'error_message',
+        'timestamp',
+        'metadata',
     ];
 
-    protected function casts(): array
+    protected $casts = [
+        'prompt_tokens' => 'integer',
+        'completion_tokens' => 'integer',
+        'total_tokens' => 'integer',
+        'cost' => 'decimal:6',
+        'timestamp' => 'datetime',
+        'metadata' => 'array',
+    ];
+
+    public function user()
     {
-        return [
-            'timestamp' => 'datetime',
-            'prompt_tokens' => 'integer',
-            'completion_tokens' => 'integer',
-            'total_tokens' => 'integer',
-            'cost' => 'double',
-        ];
+        return $this->belongsTo(GatewayUser::class, 'user_id', 'user_id');
     }
 
     public function gatewayUser()
@@ -45,9 +53,10 @@ class UsageLog extends Model
 
     public function apiKey()
     {
-        return $this->belongsTo(ApiKey::class, 'api_key_id', 'id');
+        return $this->belongsTo(ApiKey::class, 'api_key', 'token');
     }
 
+    // Scopes
     public function scopeSuccess($query)
     {
         return $query->where('status', 'success');
@@ -55,21 +64,6 @@ class UsageLog extends Model
 
     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';
+        return $query->where('status', 'failed');
     }
 }