Claude Code 'session-memo' mod keeps TODOs per session

The mod was built because taking notes in Raycast Notes became confusing once several Claude Code sessions were open at once, making it hard to tell which note belonged to which session. The author used the Mods feature, announced on 2026年10月1日, which lets users inject their own TypeScript into Claude Code to change the interface and behavior, working in both the terminal and the desktop app's Code tab.

The result, 'session-memo', shows TODO and memo counts plus buttons in the band above the input field, and offers a pane for adding or deleting items. The implementation is deliberately simple: data lives as plain Markdown under .session-memo/, avoiding a database or custom format, and the author notes the mod was mostly complete from a single prompt asking Claude Code to build a memo pad.

The limits are practical rather than conceptual. The pane's text cannot be selected, so copying runs through buttons; the top-right icon row cannot be extended; and editable files must sit outside .claude/. Whether this pattern spreads beyond one engineer's setup may hinge on how much Claude Code's UI components expand, which the author says they are waiting for. For teams that already juggle multiple sessions, the appeal is simply keeping short notes and TODOs attached to the session they belong to.