Fix remote_control_script not working in a kitty instance run from inside another kitty instance

docs/changelog.rst

@@ -216,6 +216,8 @@ Detailed list of changes
 
 - choose-file kitten: Use a full readline editor for the search box. Also allow remapping the up/down/home/end keys to use for editing instead of navigating the file list (:pull:`10225`)
 
+- Fix :ac:`remote_control_script` not working in a kitty instance run from inside another kitty instance
+
 
 0.47.4 [2026-06-15]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

kitty/boss.py

@@ -2902,6 +2902,7 @@ class Boss:
                 remote = self.add_fd_based_remote_control(remote_control_passwords)
                 pass_fds.append(remote.fileno())
                 add_env('KITTY_LISTEN_ON', f'fd:{remote.fileno()}')
+                add_env('KITTY_PUBLIC_KEY', self.encryption_public_key)
             if activation_token:
                 add_env('XDG_ACTIVATION_TOKEN', activation_token)
             fds_to_close_on_launch_failure = list(pass_fds)

tools/cmd/pytest/main.go

@@ -53,8 +53,8 @@ func shm_entry_point(root *cli.Command) {
 			return test_integration_with_python(args)
 		},
 	})
-
 }
+
 func EntryPoint(root *cli.Command) {
 	root = root.AddSubCommand(&cli.Command{
 		Name:   "__pytest__",