feat(compartment-mapper): Archive source URL suffixes #930
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This change improves stack traces from archived applications, by including a source URL suffix suitable to match a file in an IDE workspace with a reasonable confidence in its uniqueness, but no guarantee. This requires threading the original package name, since the last path component is likely to match to the parent directory.
Using the last path component is necessary since, for example, the package named
@endo/compartment-mapper
lies atpackages/compartment-mapper
in its workspace and packages generally do not stutter their org in a workspace repository.There are notable exceptions to the necessary heuristic. Agoric SDK's SwingSet directory contains a package named swingset-vat.
Fixes Agoric/agoric-sdk#3899