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Proposal: Versioned Debug Info Metadata for Daml

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daml-tooling
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Abstract

When a Daml workflow fails on Canton, the developer sees an error message and a package id, not the line of Daml that failed. We will define a debug metadata format for Daml, make the compiler emit it, and build the tooling that reads it, including dpm debug, a source-level debugger. Putting that mapping in the compiler once means every Canton tool gets the same answer instead of each one guessing at it separately.

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