env('AI_DRIVER', 'ollama'), 'ollama' => [ 'base_url' => env('OLLAMA_BASE_URL', 'http://localhost:11434'), 'model' => env('OLLAMA_MODEL', 'llama3.2'), 'timeout' => env('OLLAMA_TIMEOUT', 60), ], 'anthropic' => [ 'api_key' => env('ANTHROPIC_API_KEY'), 'model' => env('ANTHROPIC_MODEL', 'claude-sonnet-4-6'), 'max_tokens' => env('ANTHROPIC_MAX_TOKENS', 2048), 'timeout' => env('ANTHROPIC_TIMEOUT', 60), ], ];