feat:shed:gather partition metadata

[ZenGround0]

Related Issues

One part of work in
#11034

Proposed Changes

Add a shed command that takes in a miner actor and an epoch of processing and returns metadata concerning the partitions of that miner at that deadline

Additional Info

Checklist

Before you mark the PR ready for review, please make sure that:

• Commits have a clear commit message.
• PR title is in the form of of <PR type>: <area>: <change being made>
  • example: fix: mempool: Introduce a cache for valid signatures
  • PR type: fix, feat, build, chore, ci, docs, perf, refactor, revert, style, test
  • area, e.g. api, chain, state, market, mempool, multisig, networking, paych, proving, sealing, wallet, deps
• New features have usage guidelines and / or documentation updates in
  • Lotus Documentation
  • Discussion Tutorials
• Tests exist for new functionality or change in behavior
• CI is green

[fridrik01]

It would be great to include a simple test plan with the commands required to run this lotus-shed cmd (including generating the input json file)

[ZenGround0]

It would be great to include a simple test plan with the commands required to run this lotus-shed cmd (including generating the input json file)

Input JSON:
https://github.com/FILCAT/gas-model/blob/main/output/cronsummary-3054555.json

Output JSON:
https://github.com/FILCAT/gas-model/blob/main/output/output-3054555.json

See the Readme and top level script for how to generate data

[snissn]

looks good