v5.4.0

What's Changed

• ci: gate publish behind the release environment; run tests in CI by @ttpears in #17
• Add CONTRIBUTING.md by @ToxicOrca in #18
• Add idle-session TTL and cap to bound session memory growth by @ToxicOrca in #19
• feat: add update_book and update_chapter tools by @strausmann in #20
• fix: user search filters take a slug or 'me', not a numeric ID by @ws404dev in #9
• fix: derive word_count from the content actually resolved by @ttpears in #22

New Contributors

• @ToxicOrca made their first contribution in #18
• @strausmann made their first contribution in #20
• @ws404dev made their first contribution in #9

Full Changelog: v5.3.0...v5.4.0