docs(drive): update_operator_identity description and inline comments

[pauldelucia]

Issue being fixed or feature implemented

Function description for update_operator_identity had errors and was needing more inline comments

What was done?

Add docs for update_operator_identity and update_operator_identity_v0

How Has This Been Tested?

NA

Breaking Changes

NA

Checklist:

• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have added or updated relevant unit/integration/functional/e2e tests
• [x] I have added "!" to the title and described breaking changes in the corresponding section if my code contains any
• [x] I have made corresponding changes to the documentation if needed

For repository code-owners and collaborators only

• [ ] I have assigned this pull request to a milestone

Summary by CodeRabbit

• Bug Fixes

  • Improved operator identity update handling for edge cases and missing data.
  • Enhanced key management logic for identity transitions and reuse scenarios.

• Documentation

  • Clarified operator identity update behavior and control flow documentation.

[coderabbitai[bot]]

Walkthrough

These changes refactor operator identity update logic, adding defensive state retrieval with error handling, early bail-outs on no changes, and more granular key lifecycle management including snapshotting, conditional re-enabling, and identity switching. Documentation is enhanced for clarity.

Changes

Cohort / File(s)	Summary
Documentation Updates packages/rs-drive-abci/.../update_operator_identity/mod.rs	Clarified operator identity update triggering behavior; rewritten parameter documentation with explicit names and meanings; control flow and version dispatch unchanged.
Key Management Refactoring packages/rs-drive-abci/.../update_operator_identity/v0/mod.rs	Added early bail-out for no changes, defensive old masternode retrieval, identity determination logic, key snapshotting, and granular lifecycle management (disable/re-enable/clone) with separate paths for same-identity and identity-switch scenarios.

Sequence Diagram

sequenceDiagram
    participant Core as Core Changes
    participant V0 as Operator Update (v0)
    participant Cache as Cached State
    participant Identity as Identity Storage
    
    Core->>V0: Trigger update
    
    rect rgb(200, 220, 255)
    Note over V0: Check for Changes
    V0->>V0: Has operator changes?
    alt No changes
        V0-->>Core: Early bail-out
    end
    end
    
    rect rgb(220, 200, 255)
    Note over V0: Defensive Retrieval
    V0->>Cache: Fetch old masternode
    alt Not found
        V0-->>Core: Error
    end
    end
    
    rect rgb(200, 255, 220)
    Note over V0: Determine Path
    alt Operator pubkey unchanged
        V0->>Identity: Snapshot existing keys
        V0->>Identity: Disable stale keys
        V0->>Identity: Re-enable/add keys
    else Operator pubkey changed
        V0->>Identity: Disable previous keys
        V0->>Identity: Re-use or create new keys
    end
    end
    
    V0-->>Core: Complete

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

• Focus review on the new key lifecycle management logic in v0/mod.rs, particularly the conditional branches for disabling/re-enabling/cloning keys across same-identity and identity-switch paths
• Verify defensive state retrieval properly surfaces errors when old masternode is missing
• Confirm early bail-out conditions are correctly identified and don't skip necessary updates

Poem

🐰 Keys snapshots taken, old ones fade, Identities switch without a spade, Re-enable here, new ones there— Operator changes handled with care! ✨

Pre-merge checks and finishing touches

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Title Check	⚠️ Warning	The PR title uses the "docs(" prefix, which conventionally indicates documentation-only changes. However, the raw_summary reveals that the v0/mod.rs file contains significant functional changes beyond documentation, including added early bail-out logic, defensive retrieval patterns, new operator identity mutation logic, and enhanced key management steps. While the title is partially accurate regarding documentation updates in the main mod.rs file, the "docs(" prefix is misleading because it does not account for or acknowledge the functional logic additions present in v0/mod.rs. This creates a mismatch between what the title suggests (documentation-only changes) and what the changeset actually contains.	The title should be revised to reflect the actual scope of changes. Consider a more accurate title such as "feat(drive): enhance operator identity key management with improved error handling and inline documentation" or similar, which would properly convey that the PR includes both functional enhancements and documentation improvements. This would prevent misleading developers scanning the PR history who might expect only documentation changes based on the current title.

✅ Passed checks (2 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.

✨ Finishing touches

• [ ] 📝 Generate docstrings

🧪 Generate unit tests (beta)

• [ ] Create PR with unit tests
• [ ] Post copyable unit tests in a comment
• [ ] Commit unit tests in branch docs/update-operator-identity

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[github-actions[bot]]

✅ DashSDKFFI.xcframework built for this PR.

• Workflow run: https://github.com/dashpay/platform/actions/runs/18899909278
• Artifacts: DashSDKFFI.xcframework (folder), DashSDKFFI.xcframework.zip, xc_checksum.txt

SwiftPM (host the zip at a stable URL, then use):

.binaryTarget(
  name: "DashSDKFFI",
  url: "https://your.cdn.example/DashSDKFFI.xcframework.zip",
  checksum: "53dac1d22320e621fc692ebcfaa6297d4673c58c408a07d79bda99df13444dd4"
)

Xcode manual integration:

• Download 'DashSDKFFI.xcframework' artifact from the run link above.
• Drag it into your app target (Frameworks, Libraries & Embedded Content) and set Embed & Sign.
• If using the Swift wrapper package, point its binaryTarget to the xcframework location or add the package and place the xcframework at the expected path.