A document dragged beside the boot shell leaves it; BootShell replace closes it as before

Placement and BootShell are one kind of setting now, a word from an enum,
set, flipped bare, and reported by one arm.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

1 files changed, 4 insertions, 2 deletions

diff --git a/src/exec.zig b/src/exec.zig
index 117970d9..22aae10a 100644
--- a/src/exec.zig
+++ b/src/exec.zig
@@ -326,9 +326,11 @@ fn spawnTtyWithMount(p: *Pardes, from: usize, v9fs: bool) ?*Pane {
     return nt;
 }
 
-/// when a doc lands in `col`, a lone pristine shell there is clutter — drop
-/// it; absorbVWeight hands its space to the doc
+/// With `BootShell replace`, a doc landing in `col` closes a lone pristine
+/// shell there, the boot's placeholder, and absorbVWeight hands its space to
+/// the doc. With `keep`, the default, the shell stays like any other pane.
 pub fn evictLonePristineTty(p: *Pardes, col: usize, keep_id: usize) void {
+    if (p.settings.boot_shell == .keep) return;
     var n_tty: usize = 0;
     var tty_id: usize = 0;
     for (0..p.col_n[col]) |k| {