docs: accept Herdr bindings and keep Niri workspaces flexible

docs/constellation.md

@@ -36,13 +36,15 @@ use a flake to declare its tools without Nix owning the surrounding workspace.
   do not fit as naturally. Accessible mail for tools and agents matters separately
   from choosing a mail reader. Preserve meaning and source context, not just text.
 - Herdr is the chosen agent workspace manager: its spaces, running-agent overview
-  and attention states fit. Adapt its keybindings to the keyboard-driven setup.
+  and attention states fit. Its configured keybindings are accepted in daily use.
   Use Ctrl+Alt for direct Herdr actions alongside Super for Niri and Ctrl navigation
   in Neovim; retain Herdr's prefix bindings. Agent-deck's startup issues and other
   session-manager alternatives are not the current focus.
-- Current friction is a lack of consistent project and agent working practices,
-  including Niri workspace use. Tool choice and agent collaboration need to be
-  considered together. Alignment, maintainability and human attention matter
+- Keep Niri workspaces flexible. Herdr supplies enough structure that no strict
+  desktop grouping, fixed workspace names or project-to-workspace mapping is
+  needed now. Let actual use inform any later organization.
+- Project and agent working practices remain exploratory.
+  Alignment, maintainability and human attention matter
   alongside speed/cost. Agent-workflow evaluation is deferred; no fixed delegation
   pattern has been selected.
 - Repositories should contain code and documentation needed by that code, not