fix: strip comas to avoid creating empty label

[sileht]

No description provided.

[Copilot]

Pull Request Overview

This PR fixes an issue where label processing was creating empty labels due to leading commas in the output. The fix involves stripping leading and trailing commas and removing consecutive commas from the label string.

• Adds comma stripping logic to prevent empty labels in the shell script
• Updates test cases to reflect the expected behavior without leading commas

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
run.sh	Adds logic to strip leading/trailing commas and remove consecutive commas from LABELS_TO_ADD
tests/test_labels.py	Updates test expectations to remove leading commas from expected label strings

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