fix(cli): suppress no-git-repo note with --quiet flag

The "Note: No git repository initialized" message now respects the
--quiet flag, preventing non-essential output in quiet mode.

Fixes #1080

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

cmd/bd/daemon_autostart.go

@@ -355,7 +355,9 @@ func startDaemonProcess(socketPath string) bool {
 	// Skip attempting to start and avoid the 5-second wait if not in git repo
 	if !isGitRepo() {
 		debugLog("not in a git repository, skipping daemon start")
-		fmt.Fprintf(os.Stderr, "%s No git repository initialized - running without background sync\n", ui.RenderMuted("Note:"))
+		if !quietFlag {
+			fmt.Fprintf(os.Stderr, "%s No git repository initialized - running without background sync\n", ui.RenderMuted("Note:"))
+		}
 		return false
 	}