chore: ignore .claude and .codex directories

[marcellodebernardi]

This PR adds directory-level ignore rules for .claude/ and .codex/ in .gitignore. The aim is to prevent local agent/editor metadata folders from being accidentally committed while keeping the repository clean for all contributors.

Testing

• git check-ignore -v .claude/test.txt .codex/test.txt

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[greptile-apps]

Greptile Summary

This PR updates .gitignore to ignore the .claude/ and .codex/ directories at any depth in the repository, replacing the previous narrower **/.claude/settings.local.json rule. The change is minimal, correct, and achieves its stated goal of preventing local AI-agent/editor metadata from being accidentally committed.

• .claude/ and .codex/ patterns correctly use the trailing-slash convention to match directories at any level of the tree.
• No section comment/header was added for these new rules (unlike other entries such as # Experiments), but this is a minor style point and consistent with adjacent entries like config.yaml and Makefile.local.

Confidence Score: 5/5

• Safe to merge — purely additive gitignore change with no risk of breaking anything.
• The change touches only .gitignore, adds two well-formed directory-ignore patterns, and correctly removes the now-redundant narrower rule that was flagged in a previous review. There are no logic, syntax, or security concerns.
• No files require special attention.

Important Files Changed

Filename	Overview
.gitignore	Replaces the narrower **/.claude/settings.local.json rule with broad .claude/ and .codex/ directory-level ignores. The patterns are syntactically correct and will match the named directories at any depth in the tree.

_{Last reviewed commit: 3a1f61e}

[marcellodebernardi]

@greptileai please review again with latest changes