Covers that a session's folder and editor actions address its own worktree while the project home addresses the project checkout, both pages offer the same set of actions, and the editor picker stores a choice, clears back to the default, and surfaces a hand-set editor that was not auto-detected.

## Before writing SPEC.md files

Read https://raw.githubusercontent.com/brillout/sdd/refs/heads/main/sdd.md
