Release v2.1.1

Changes since v2.1.0

• 2.1.1 (2c8590e)
• Merge pull request #35 from xoba/main (f9ef56e)
• docs: add detailed docstring for buildTempFilenameTemplate (7a592b4)
• style: format chain methods per biome rules (15fb60d)
• test: update expectations for sanitized temp filename template (c5f809d)
• Preserve attachment extension in temp files (fixes #34) (ae53efc)
• Merge pull request #32 from photon-hq/fix/eng-461-symlink-toctou-security (be47805)
• refactor(security) ♻️: enhance mktemp entropy and simplify file type checks (3a3f209)
• fix(security) 🐛: prevent symlink/TOCTOU attacks on temp files (4b5b876)
• Merge pull request #30 from photon-hq/release/v2.1.0 (77e218e)
  Build Info:
• Version: v2.1.1
• Build Date: 2026-01-13 03:48:53 UTC
• Git Hash: 2c8590e