Add 'con-duct extract-requirements'

Extract **resource requirements** (not to be confused with dependencies)

Usage 'con-duct requirements '

Look at all the info files and report back the maximum resources required by any execution.

Start by locating the command entry point for the proposed “con-duct extract-requirements” or “requirements” command, then inspect how execution info files are represented in a duct logs directory. Define how resource requirements are identified and compared across those files. Done means the command reports the maximum resources required by any execution.

Written by the indexing model from the issue text.