feat: expose layout controls over IPC

feresectl/src/main.rs

@@ -47,7 +47,8 @@ fn parse_args(args: impl IntoIterator<Item = String>) -> Result<(String, Value),
                 .map_err(|_| format!("{} requires a positive workspace index", command))?;
             json!({ "index": index })
         }
-        "toggle-floating" | "toggle-fullscreen" | "close" | "get-focused-window"
+        "toggle-floating" | "toggle-fullscreen" | "toggle-layout" | "cycle-column-width"
+        | "center-column" | "consume" | "expel" | "close" | "get-focused-window"
         | "get-workspaces" | "get-outputs" => {
             if !positional.is_empty() {
                 return Err(format!("{command} does not accept arguments"));
@@ -77,7 +78,7 @@ fn socket_path() -> Result<PathBuf, io::Error> {
 }
 
 fn usage() -> String {
-    "usage: feresectl <focus|move|resize> <direction>\n       feresectl <workspace|move-to-workspace> <index>\n       feresectl <toggle-floating|toggle-fullscreen|close|get-focused-window|get-workspaces|get-outputs>".to_owned()
+    "usage: feresectl <focus|move|resize> <direction>\n       feresectl <workspace|move-to-workspace> <index>\n       feresectl <toggle-floating|toggle-fullscreen|toggle-layout>\n       feresectl <cycle-column-width|center-column|consume|expel|close>\n       feresectl <get-focused-window|get-workspaces|get-outputs>".to_owned()
 }
 
 #[cfg(test)]
@@ -98,6 +99,10 @@ mod tests {
                 .1,
             json!({ "index": 7 })
         );
+        assert_eq!(
+            parse_args(["cycle-column-width".to_owned()]).unwrap(),
+            ("cycle-column-width".to_owned(), json!({}))
+        );
     }
 
     #[test]