WASM modules can currently see two file trees: their own package folder (read only) and an empty work folder reserved for them (read/write).
Please add read-only access to all packages.
This would let WASM modules read data from other packages and behave accordingly. For example, a single WASM module could read custom airport lights data from airport packages, and then write variables to drive their model behaviours to switch lights in response to airport traffic.
Currently the work-around is to use an external application and launch it through exe.xml and loop over installed packages to collect data, but this is obviously undesirable and is not available on Xbox.