add .claude to gitignore

[pstjohn]

Adds .claude/ folder to the .gitignore, claude code will dump stuff to this directory (session history, git worktrees, etc.) that we likely don't want to version-control

[greptile-apps]

Greptile Summary

This PR adds .claude/ to the repository's .gitignore, preventing Claude Code's generated artifacts (session history, git worktrees, etc.) from being accidentally committed.

• The single-line addition follows the existing .gitignore style and is correctly formatted.
• No code logic, tests, or other files are affected.
• No issues were found during review.

Confidence Score: 5/5

• This PR is safe to merge; it is a minimal, risk-free .gitignore update.
• The change is a single-line addition to .gitignore with no impact on source code, tests, or build configuration. The pattern is correctly formatted and consistent with the file's existing style.
• No files require special attention.

Important Files Changed

Filename	Overview
.gitignore	Adds .claude/ directory to .gitignore to prevent Claude Code session data (history, worktrees, etc.) from being tracked; correct and consistent with existing style.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[git add / git status] --> B{Is path matched\nby .gitignore?}
    B -- No --> C[File tracked by git]
    B -- Yes --> D[File ignored by git]
    D --> E[.claude/ session history]
    D --> F[.claude/ worktrees]
    D --> G[.claude/ other Claude Code artifacts]
    C --> H[Committed to repository]

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_{Last reviewed commit: 37b83ac}