1. A method for managing digital game content relationship information associated with a plurality of digital game content files within a content development environment to enable dependencies between the digital game content files to be exposed to a content editing process upon request, comprising the steps of: (a) providing a data provider application programming interface (API) for communicating between a client process and a server process in the content development environment, the data provider API being configured for use with a game content editing application; (b) generating an asset relationship management file with the data provider API, the asset relationship management file including an asset identifier and at least one of a relationship reference and an annotation, wherein the asset relationship management file is written out by the data provider API from a digital asset being edited by the client content editing process; (c) storing the asset relationship management file to a data store; and (d) generating an asset relationship graph based on at least the asset relationship management file, the asset relationship graph comprising a plurality of asset graph nodes, the asset graph nodes mapping dependency relationships between a plurality of digital game content files, each uniquely identified by a specific asset identifier, thus enabling dependency relationships between the digital game content files to be exposed to a content editing process upon request.