[ 'key' => env('POSTMARK_API_KEY'), ], 'resend' => [ 'key' => env('RESEND_API_KEY'), ], 'ses' => [ 'key' => env('AWS_ACCESS_KEY_ID'), 'secret' => env('AWS_SECRET_ACCESS_KEY'), 'region' => env('AWS_DEFAULT_REGION', 'us-east-1'), ], 'slack' => [ 'notifications' => [ 'bot_user_oauth_token' => env('SLACK_BOT_USER_OAUTH_TOKEN'), 'channel' => env('SLACK_BOT_USER_DEFAULT_CHANNEL'), ], ], 'fuel_finder' => [ 'base_url' => env('FUEL_FINDER_BASE_URL', 'https://www.fuel-finder.service.gov.uk/api/v1'), 'client_id' => env('FUEL_FINDER_CLIENT_ID'), 'client_secret' => env('FUEL_FINDER_CLIENT_SECRET'), ], 'fred' => [ 'api_key' => env('FRED_API_KEY'), ], 'anthropic' => [ 'api_key' => env('ANTHROPIC_API_KEY'), 'model' => env('ANTHROPIC_MODEL', 'claude-sonnet-4-6'), ], 'openai' => [ 'api_key' => env('OPENAI_API_KEY'), 'model' => env('OPENAI_MODEL', 'gpt-4o-mini'), ], 'gemini' => [ 'api_key' => env('GEMINI_API_KEY'), 'model' => env('GEMINI_MODEL', 'gemini-2.0-flash'), ], 'llm' => [ 'provider' => env('LLM_PREDICTION_PROVIDER', 'anthropic'), ], 'fuelalert' => [ 'api_key' => env('FUELALERT_API_KEY'), ], ];