fix: suppress unnecessary log output

cli/src/zshell/subcommands/shell.py

@@ -1,3 +1,4 @@
+import os
 import subprocess
 import sys
 import time
@@ -8,6 +9,15 @@ args = ["qs", "-c", "zshell"]
 
 app = typer.Typer()
 
+qt_logging_rules = (
+	"qt.qml.warning=false;"
+	"qt.qpa.wayland.*=false;"
+	"scene=false;"
+	"quickshell.service.sni.watcher=false;"
+	"default.warning=false;"
+	"default.info=false"
+)
+
 
 @app.command()
 def kill():
@@ -19,8 +29,13 @@ def kill():
 
 
 def start_instance(no_daemon: bool = False) -> None:
+	env = os.environ.copy()
+	env["QT_LOGGING_RULES"] = qt_logging_rules
+
 	result = subprocess.run(
-		args + ["-n"] + ([] if no_daemon else ["-d"]), capture_output=True
+		args + ["-n"] + ([] if no_daemon else ["-d"]),
+		capture_output=True,
+		env=env,
 	)
 	stdout = result.stdout.decode().strip()
 	if stdout and "already running" in stdout.lower():