fix: proofset conversion bug

[LesnyRumcajs]

Summary of changes

Changes introduced in this pull request:

• while deduplicating shims, I noticed a bug in proofset conversion. This addresses it. This likely never surfaced because it all goes through default policies anyway, but better safe than sorry. No changelog entry needed.

Reference issue to close (if applicable)

Closes

Other information and links

Change checklist

• I have performed a self-review of my own code,
• I have made corresponding changes to the documentation. All new code adheres to the team's documentation standards,
• I have added tests that prove my fix is effective or that my feature works (if possible),
• I have made sure the CHANGELOG is up-to-date. All user-facing changes should be reflected in this document.

Outside contributions

• This pull request is based on an issue that a maintainer has accepted (see Before Opening a Pull Request).
• I have read and agree to the CONTRIBUTING document.
• I have read and agree to the AI Policy document. I understand that failure to comply with the guidelines will lead to rejection of the pull request.

Summary by CodeRabbit

• Bug Fixes
  • Fixed policy conversions so enabled proof identifiers are preserved consistently across versions.
  • Added regression coverage for recent policy conversion scenarios.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: a7d466e0-818c-4db8-b909-8239aa28bc55

📥 Commits

Reviewing files that changed from the base of the PR and between bd05ad9 and 716acb7.

📒 Files selected for processing (1)

• src/shim/actors/convert.rs

🔗 Linked repositories identified

CodeRabbit considers these linked repositories for cross-repo context during reviews:

• filecoin-project/lotus (manual)

Included review availability: 3 reviews are currently available. Based on recent review activity, included reviews refill at 5 per hour.

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Walkthrough

The change adds a reusable proof-set conversion macro, applies it to policy conversions from v11 through v18, and adds regression coverage for enabled and disabled proof IDs.

Changes

Proof-set conversion

Layer / File(s)	Summary
Shared proof-set conversion src/shim/actors/convert.rs	Adds convert_proof_set!, which maps enabled proof flags to their indexed proof IDs.
Policy conversion wiring and regression coverage src/shim/actors/convert.rs	Updates v11–v18 policy conversions to use indexed proof-set conversion. Tests verify that enabled IDs remain present and disabled IDs 0 and 1 are excluded.

Estimated code review effort: 3 (Moderate) | ~15–30 minutes

Merge Risk: ⚪ Minimal · up to 716ac

This PR makes a localized proofset conversion fix with no actionable merge-blocking risk remaining beyond normal checks and review.

Suggested reviewers: akaladarshi, eclesiomelojunior, sudo-shashank

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely identifies the main change: fixing a proofset conversion bug.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch proofset-bugfix

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch proofset-bugfix

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.69%. Comparing base (bd05ad9) to head (716acb7).
✅ All tests successful. No failed tests found.

Additional details and impacted files

Files with missing lines	Coverage Δ
src/shim/actors/convert.rs	100.00% <100.00%> (ø)

... and 8 files with indirect coverage changes

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