January 2026 (2026-01) monthly summary for badlogic/pi-mono focusing on session management UI improvements. Implemented threaded tree view default for /resume, compact single-line session entries with concise age formatting, and enhanced highlighting for the current session. Increased visibility of the session list and refined sort controls to improve navigation and readability. No major bugs fixed this month; the focus was on delivering a more scalable and user-friendly session management experience. Business impact includes faster session triage, reduced cognitive load for operators, and clearer state signaling. Technologies demonstrated include UI/UX design, front-end data presentation (tree structures), CSS-driven highlighting, and performance-conscious rendering.