docs(rpc): add DESCRIPTION to remaining small-module RPC methods

[LesnyRumcajs]

Summary of changes

Changes introduced in this pull request:

• added descriptions to all other smaller modules

Reference issue to close (if applicable)

Closes #6460

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

• 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

• Documentation
  • RPC API methods now include human-readable descriptions explaining their functionality across authentication, beacon, common, market, multisig, node, and sync modules
  • Enhanced API reference material providing developers with clearer method behavior and usage information

[coderabbitai]

Walkthrough

Adds DESCRIPTION associated constants (Option<&'static str>) to 15 RPC method implementations across 7 files: auth.rs (AuthNew, AuthVerify), beacon.rs (BeaconGetEntry), common.rs (Session, Version, Shutdown, StartTime), market.rs (MarketAddBalance), msig.rs (MsigGetAvailableBalance, MsigGetPending, MsigGetVested, MsigGetVestingSchedule), node.rs (NodeStatus), and sync.rs (SyncCheckBad, SyncMarkBad).

Changes

RPC Method DESCRIPTION Constants

Layer / File(s)	Summary
DESCRIPTION constants across all RPC methods src/rpc/methods/auth.rs, src/rpc/methods/beacon.rs, src/rpc/methods/common.rs, src/rpc/methods/market.rs, src/rpc/methods/msig.rs, src/rpc/methods/node.rs, src/rpc/methods/sync.rs	Adds const DESCRIPTION: Option<&'static str> to 15 RpcMethod implementations: AuthNew, AuthVerify, BeaconGetEntry, Session, Version, Shutdown, StartTime, MarketAddBalance, MsigGetAvailableBalance, MsigGetPending, MsigGetVested, MsigGetVestingSchedule, NodeStatus, SyncCheckBad, and SyncMarkBad. No handler logic, types, or permissions are modified.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Suggested labels

RPC

Suggested reviewers

• sudo-shashank

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately describes the main change: adding DESCRIPTION fields to RPC methods in smaller modules (auth, beacon, common, market, msig, node, sync).
Linked Issues check	✅ Passed	The PR successfully adds DESCRIPTION constants to 13 RPC methods across 7 modules as required by issue #6460: auth.rs (2), beacon.rs (1), common.rs (4), market.rs (1), msig.rs (4), node.rs (1), sync.rs (2).
Out of Scope Changes check	✅ Passed	All changes are tightly scoped to adding DESCRIPTION constants to RPC method implementations, directly addressing issue #6460 with no unrelated modifications.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.

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View plan used: #6460

✨ 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 misc-rpc-descs

✨ Simplify code

• Create PR with simplified code
• Commit simplified code in branch misc-rpc-descs

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 64.37%. Comparing base (17098fb) to head (d91973c).
⚠️ Report is 4 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

Files with missing lines	Coverage Δ
src/rpc/methods/auth.rs	33.33% <ø> (ø)
src/rpc/methods/beacon.rs	81.81% <ø> (ø)
src/rpc/methods/common.rs	57.14% <ø> (ø)
src/rpc/methods/market.rs	0.00% <ø> (ø)
src/rpc/methods/msig.rs	72.22% <ø> (ø)
src/rpc/methods/node.rs	0.00% <ø> (ø)
src/rpc/methods/sync.rs	72.22% <ø> (ø)

... and 14 files with indirect coverage changes

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[akaladarshi]

We can remove the cache from here, should we also add use with caution like lotus ?.

[LesnyRumcajs]

We can remove the cache from here

why?

should we also add use with caution like lotus ?.

This method requires admin permissions, it's inherently supposed to be used with caution.

[akaladarshi]

why?

Just because it is user facing, so user shouldn't care if there is cache or something else, that's why.