Release 0.5.2

What's Changed

Version bump: patch
Previous version: 0.5.1
New version: 0.5.2

14 commits since v0.5.1

🚀 Features

• feat(ocr): configurable max_concurrency for LLM OCR batch processing (10eeb52) by @luisleo526
• Add Redis-backed OCR cache backend (275606e) by @Alan-Chiu
• feat: add OCR cache and refine PDF heading guards (eac6767) by @Alan-Chiu

🐛 Bug Fixes

• Fix OCR cache scoping and PDF heuristics (a81ab8e) by @Alan-Chiu
• fix: generalize pdf heading heuristics (ba718bb) by @Alan-Chiu
• fix: reduce pdf heading false positives (61abed8) by @Alan-Chiu

♻️ Refactoring

• Refactor PDF heading heuristics around shape signals (496f71b) by @Alan-Chiu

🔧 Chores

• chore: revert manual version bump to 0.5.1 (release workflow bumps via bump2version) (7351213) by @luisleo526
• test: add comprehensive e2e tests and fix DOCX page break detection (61cb710) by @luisleo526

📝 Other Changes

• Merge remote-tracking branch 'refs/remotes/origin/main' (16cf279) by @luisleo526

Full Changelog

v0.5.1...v0.5.2