server

var (
	// ErrModelRequired is returned when neither model nor models array is provided
	ErrModelRequired = errors.New("model or models array is required")
	// ErrMessagesRequired is returned when messages are not provided
	ErrMessagesRequired = errors.New("messages are required")
	// ErrInvalidTemperature is returned when temperature is out of valid range
	ErrInvalidTemperature = errors.New("temperature must be between 0 and 2")
	// ErrInvalidTopP is returned when top_p is out of valid range
	ErrInvalidTopP = errors.New("top_p must be between 0 and 1")
	// ErrInvalidMaxTokens is returned when max_tokens is less than 1
	ErrInvalidMaxTokens = errors.New("max_tokens must be at least 1")
	// ErrInvalidN is returned when n is less than 1
	ErrInvalidN = errors.New("n must be at least 1")
	// ErrInvalidPresencePenalty is returned when presence_penalty is out of valid range
	ErrInvalidPresencePenalty = errors.New("presence_penalty must be between -2 and 2")
	// ErrInvalidFrequencyPenalty is returned when frequency_penalty is out of valid range
	ErrInvalidFrequencyPenalty = errors.New("frequency_penalty must be between -2 and 2")
	// ErrInvalidMinP is returned when min_p is out of valid range
	ErrInvalidMinP = errors.New("min_p must be between 0 and 1")
	// ErrInvalidTopA is returned when top_a is out of valid range
	ErrInvalidTopA = errors.New("top_a must be between 0 and 1")
	// ErrInvalidRepetitionPenalty is returned when repetition_penalty is out of valid range
	ErrInvalidRepetitionPenalty = errors.New("repetition_penalty must be greater than 0")

	// Embeddings validation errors
	// ErrEmbeddingsModelRequired is returned when model is not provided for embeddings
	ErrEmbeddingsModelRequired = errors.New("model is required")
	// ErrInputRequired is returned when input is not provided
	ErrInputRequired = errors.New("input is required")
	// ErrInvalidEncodingFormat is returned when encoding format is invalid
	ErrInvalidEncodingFormat = errors.New("encoding_format must be 'float' or 'base64'")
)

var (
	RequestID = middleware.RequestID
	ClientIP  = middleware.ClientIPFromRemoteAddr
	Recoverer = middleware.Recoverer
	Compress  = middleware.Compress
)

var (
	// ErrConfigRequired reports an absent HTTP server configuration.
	ErrConfigRequired = errors.New("server config is required")
	// ErrServiceRequired reports an absent gateway use-case service.
	ErrServiceRequired = errors.New("gateway service is required")
	// ErrIdentitiesRequired reports an absent identity repository.
	ErrIdentitiesRequired = errors.New("identity repository is required")
	// ErrProviderKeysRequired reports an absent provider-key service.
	ErrProviderKeysRequired = errors.New("provider key service is required")
	// ErrRateLimitsRequired reports an absent rate-limit repository.
	ErrRateLimitsRequired = errors.New("rate-limit repository is required")
	// ErrProviderOperationsRequired reports an absent provider operations port.
	ErrProviderOperationsRequired = errors.New("provider operations are required")
)