Module: LittleGhost::Models::CatalogSnapshot

Defined in:
lib/little_ghost/models/catalog_snapshot.rb

Overview

Generates the deterministic provider-filtered catalog packaged in the gem.

Constant Summary collapse

NAMESPACES =

:nodoc:

{
  "amazon-bedrock" => "bedrock", "anthropic" => "anthropic", "google" => "gemini",
  "google-vertex" => "vertex_ai", "openai" => "openai", "openrouter" => "openrouter"
}.freeze

Class Method Summary collapse

Class Method Details

.generate(document) ⇒ Object 



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# File 'lib/little_ghost/models/catalog_snapshot.rb', line 14

def self.generate(document)
  result = {}
  NAMESPACES.sort.each do |namespace, provider|
    document.fetch(namespace).fetch("models").sort.each do |model_id, value|
      attributes = normalize(value)
      attributes["provenance"] = attributes.keys.reject { |key| key == "observed_at" }.to_h { |key| [key, "bundled:models.dev"] }
      result["#{provider}:#{model_id}"] = attributes
    end
  end
  JSON.pretty_generate(result) + "\n"
end

.normalize(value) ⇒ Object 



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# File 'lib/little_ghost/models/catalog_snapshot.rb', line 26

def self.normalize(value)
  parameters = []
  parameters << "tools" if value["tool_call"]
  parameters << "structured_outputs" if value["structured_output"]
  parameters << "temperature" if value["temperature"]
  parameters << "reasoning" if value["reasoning"]
  {
    "context_window" => value.dig("limit", "context"),
    "max_output_tokens" => value.dig("limit", "output"),
    "input_modalities" => value.dig("modalities", "input"),
    "output_modalities" => value.dig("modalities", "output"),
    "supported_parameters" => parameters.empty? ? nil : parameters,
    "pricing" => value["cost"],
    "observed_at" => value["last_updated"] || value["release_date"]
  }.compact
end