Privacy-first mind mapping app. Part 5: UI / Keyboard First

Part 0 explained the feeling I wanted to recover: thought velocity. This chapter is where that feeling turns into UI decisions. I did not optimize for feature count first. I optimized for interruption cost. Every extra click, hidden mode, or ambiguous icon steals cognitive bandwidth from the idea itself. So the UI direction was keyboard-first and friction-minimal: common actions reachable without mouse travel fast node creation and editing loops predictable, stable interaction patterns visual st