Modernize feresectl and add bounded IPC event streaming

packaging/config.kdl

@@ -209,7 +209,7 @@ lock-screen {
 // idle-inhibit { fullscreen-playback #false; }
 // window-rule app-id="org.example.Presentation" idle-inhibit="visible"
 
-// Find display names with feresectl get-outputs, then adjust and uncomment.
+// Find display names with feresectl outputs, then adjust and uncomment.
 // output-profile "docked" {
 //     output "HDMI-A-1" scale=1.5 { position 0 0; }
 //     output "eDP-1" scale=1.5 { position 2560 0; }

packaging/ferese-screenshot

@@ -44,7 +44,7 @@ elif [[ $mode == full ]]; then
     # Never fall back to an all-monitor capture when IPC is unavailable.
     # This is the only mode that needs the output list; the editor is sized
     # from the captured image instead.
-    geometry=$(feresectl get-outputs | python3 -c '
+    geometry=$(feresectl -j outputs | python3 -c '
 import json, sys
 outputs = [output for output in json.load(sys.stdin) if output.get("enabled")]
 focused = [output for output in outputs if output.get("focused")]