Improve socket handling for -x spawned fenrir instances.

docs/fenrir.adoc

@@ -1214,12 +1214,6 @@ Enable debug mode. Debug information will be logged.
 `+-p, --print+`::
 Print debug messages to screen in addition to logging them.
 
-`+-e, --emulated-pty+`::
-Use PTY emulation with escape sequences for input. This enables usage in desktop/X11/Wayland environments and terminal emulators.
-
-`+-E, --emulated-evdev+`::
-Use PTY emulation with evdev for input (single instance mode).
-
 `+-F, --force-all-screens+`::
 Force Fenrir to respond on all screens, ignoring the ignoreScreen setting. This temporarily overrides screen filtering for the current session.
 
@@ -1277,6 +1271,19 @@ enable_command_remote=True
 
 The `+socat+` command provides the easiest way to send commands to Fenrir:
 
+===== Instance Discovery
+
+....
+# List registered Fenrir instances and their socket paths
+echo "ls" | socat - UNIX-CLIENT:/tmp/fenrirscreenreader-deamon.sock
+....
+
+In X terminal mode (`+fenrir -x+`), multiple Fenrir instances can run at the
+same time. Each instance has a private socket at
+`+/tmp/fenrirscreenreader-<pid>.sock+`, and one instance may also own the
+standard control socket. Use `+ls+` or `+command ls+` on the standard socket to
+find the private socket for a specific instance.
+
 ===== Basic Speech Control
 
 ....
@@ -1338,6 +1345,7 @@ echo "command quitapplication" | socat - UNIX-CLIENT:/tmp/fenrirscreenreader-dea
 * `+command say <text>+` - Speak the specified text
 * `+command interrupt+` - Stop current speech
 * `+command tempdisablespeech+` - Disable speech until next key press
+* `+ls+` / `+list+` / `+command ls+` / `+command list+` - List registered Fenrir instances
 
 *Clipboard Commands:*
 
@@ -1669,8 +1677,9 @@ off=`+False+`
 
 ==== Screen
 
-The settings for screens, (TTY, PTY) are configured in the `+[screen]+`
-section.
+The settings for screen access are configured in the `+[screen]+`
+section. `+vcsaDriver+` is used for Linux TTYs, and `+ptyDriver+` is
+used by X11 terminal mode.
 
 The driver to get the information from the screen: