M8: view.pan's parameter text and the MCP guide give the measured steps

64 screen pixels a step, five times as far with big (320), as the code
and the measurement have it; they still said ten times and 20 / 200.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

crates/engine/src/cmd/view.rs

@@ -302,7 +302,7 @@ pub fn specs() -> Vec<CommandSpec> {
         spec!("view.multiplayerCursors", "Multiplayer cursors", "{on?}  others' cursors in a live session", false, |s, p| {
             toggle(s, p, "view.multiplayerCursors")
         }),
-        spec!("view.pan", "Pan the view", "{dx, dy (arrow-key steps, e.g. 1 or -1), big? (ten times as far, like Shift)}", false, pan),
+        spec!("view.pan", "Pan the view", "{dx, dy (arrow-key steps, e.g. 1 or -1), big? (five times as far, like Shift)}", false, pan),
         spec!("view.outlines", "Outlines", "{on?}", false, |s, p| toggle(s, p, "view.outlines")),
         spec!("view.outlinesSelection", "Outlines for selection", "{on?}  outline mode for the selected layers only", false, |s, p| {
             toggle(s, p, "view.outlinesSelection")

docs/mcp.md

@@ -622,7 +622,7 @@ on; `key` resolves keys the way the canvas does. Commands behind keys:
   `board.nextSticky` (`Shift+Cmd/Ctrl+Enter`, also while typing in a sticky). Keys no design-file
   shortcut uses; on a design file they refuse.
 - `view.pan {dx, dy, big?}`: the arrow keys with nothing selected (`key ArrowRight` does the same)
-  pan the view by 20 screen pixels a step, 200 with `big` (Shift).
+  pan the view by 64 screen pixels a step, 320 with `big` (Shift).
 - `view.multiplayerCursors {on?}` (`Alt+Cmd+\`): show or hide others' cursors in a live session.
 - `view.outlinesHiddenLayers {on?}` and `view.outlinesObjectBounds {on?}`: what outline mode
   (`view.outlines`, `view.outlinesSelection`) draws besides the shapes: hidden layers, and the box