Update part 3

fix(macos): improve sidebar hit area and context visibility

feat(macos): move navigation and context into sidebar

Refine presentation narrative and structure

Build AI agents presentation structure

add base structs

docs(macos): clarify sync delete policy and project state scope

feat(macos): persist and restore selected project bootstrap

feat(macos): add sync up action and mvp e2e acceptance

feat(macos): implement issue creation with meta increment

feat(macos): add issue edit/save flow and tests

macos: implement issue 0018 read-only issues screen

macos: finalize issue 0017 sync down flow and sync flags

macos: implement issue 0017 sync down from projects screen

macos: fix sidebar selection hit area and explicit highlight

macos: add projects sidebar screen with refresh for active connection

macos: implement issue 0015 project listing after connection test

macos: complete issue 0014 connection state stabilization

macos: stabilize connections UI and add native form flow