[MINOR] Reject traversal segments in note and folder paths#5227

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jongyoul:ZEPPELIN-fs-notebook-path

Commits on May 6, 2026

[MINOR] Reject traversal segments in note and folder paths

jongyoul
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claude
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[MINOR] Extract note path validation into a final utility class

jongyoul
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claude
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Commits on May 9, 2026

[MINOR] Address review: harden decodeRepeatedly bounds and error contract
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