v0.4.0

What's Changed

• test: lock change-item key rejection and clarify read paging guidance by @Phototonic in #10
• feat: add previewable progress update and handoff summaries by @Phototonic in #11
• feat: add since-last-reviewed plan change digests by @Phototonic in #12
• feat: add plan and task search to the fullscreen board by @Phototonic in #13
• fix: clarify review-point integration identity by @Phototonic in #14
• docs: add Agent Progress logo and themed README header by @Phototonic in #15
• Fix capture-state freshness during board search by @Phototonic in #16
• Clarify current release guidance and historical evidence by @Phototonic in #17
• Compare recorded plan document captures by @Phototonic in #18
• Explain reporting health and preview safe support summaries by @Phototonic in #19
• Prepare 0.4.0 release by @Phototonic in #20
• Release 0.4.0 by @Phototonic in #21

Full Changelog: v0.3.0...v0.4.0