docs: document the unnecessary TODO

[rach-id]

Overview

Checklist

• New and updated code has appropriate documentation
• New and updated code has new and/or updated testing
• Required CI checks are passing
• Visual proof for any user facing features like CLI or documentation updates
• Linked issues closed with keywords

Summary by CodeRabbit

• Documentation
  • Improved comments for clarity on special cases within the tree handling logic.

[coderabbitai]

Walkthrough

The recent update to the NamespaceMerkleTree.sol file enhances code clarity by including new comments. These additions elucidate the rationale behind specific conditions, particularly when proofs are absent and when an inner node doubles as the root in larger trees. The removal of a placeholder comment suggests that a previously noted task or fix has been addressed.

Changes

File Path	Change Summary
.../tree/namespace/NamespaceMerkleTree.sol	Removed a TODO comment; added explanations for handling empty proofs and cases with inner nodes as roots in multi-node trees.

Poem

In the grove of code where the logic trees grow,
A change was made, with understanding in tow.
🐰 "No more TODOs," the rabbit did cheer,
"Just comments so clear, as the root node draws near!"

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Review Status

Actionable comments generated: 0

Configuration used: CodeRabbit UI

Commits

Files that changed from the base of the PR and between 20b4d30 and 78ae9f6.

Files selected for processing (1)

• src/lib/tree/namespace/NamespaceMerkleTree.sol (2 hunks)

Additional comments: 1

src/lib/tree/namespace/NamespaceMerkleTree.sol (1)

• 76-79: The comments added on lines 76-79 explain why a certain case is not relevant to the use case of the library. This is a good practice as it clarifies the intent and scope of the code, preventing future misunderstandings or incorrect assumptions about the code's behavior.