Add completions for the commands. Thanks @MenkeTechnologies!

_zc

@@ -0,0 +1,16 @@
+#compdef zc
+
+local arguments
+
+arguments=(
+  {-h,--help}'[this message]'
+  {-i,--id}'[ID (number) of Zsh session]:ID'
+  {-n,--name}'[NAME of Zsh session]:NAME'
+  {-q,--quiet}'[dont output status messages]'
+  {-v,--verbose}'[output more status messages]'
+  {-a,--ask}'[ask for command (if not provided) and session (etc.)]'
+  {-r,--raw}'[raw input (for scripts) - a quoted string, e.g. ls a dir]'
+  '*:filename:_files'
+)
+
+_arguments -s $arguments

_zc-all

@@ -0,0 +1,14 @@
+#compdef zc-all
+
+local arguments
+
+arguments=(
+  {-h,--help}'[this message]'
+  {-q,--quiet}'[dont output status messages]'
+  {-v,--verbose}'[output more status messages]'
+  {-a,--ask}'[ask for command (if not provided)]'
+  {-f,--force}'[send also to busy sessions; command can time out]'
+  '*:filename:_files'
+)
+
+_arguments -s $arguments

_zc-bg-notify

@@ -0,0 +1,14 @@
+#compdef zc-bg-notify
+
+local arguments
+
+arguments=(
+  {-h,--help}'[this message]'
+  {-q,--quiet}'[dont output status messages about target sessions]'
+  {-v,--verbose}'[output more status messages]'
+  {-a,--ask}'[ask for notification text (if not provided)]'
+  {-f,--force}'[send also to busy sessions; notification can time-out]'
+  '*:filename:_files'
+)
+
+_arguments -s $arguments

_zc-rename

@@ -0,0 +1,13 @@
+#compdef zc-rename
+
+local arguments
+
+arguments=(
+  {-h,--help}'[this message]'
+  {-i,--id}'[(number) of Zsh session]:ID'
+  {-n,--name}'[NAME of Zsh session]:NAME'
+  {-q,--quiet}'[dont output status messages]'
+  '*:filename:_files'
+)
+
+_arguments -s $arguments

_zc-take

@@ -0,0 +1,13 @@
+#compdef zc-take
+
+local arguments
+
+arguments=(
+  {-h,--help}'[this message]'
+  {-i,--id}'[(number) of Zsh session]:ID'
+  {-n,--name}'[NAME of Zsh session]:NAME'
+  {-q,--quiet}'[dont output status messages]'
+  '*:filename:_files'
+)
+
+_arguments -s $arguments