Merge PR #1279 and complete parametric UI actions

src/modules/draw/modify/align.rs

@@ -304,6 +304,14 @@ impl AlignCommand {
 }
 
 inventory::submit!(crate::command::CommandRegistration { names: &["ALIGN"] });  // AlignCommand
+// ALIGNLEFT/ALIGNHCENTER/ALIGNRIGHT/ALIGNTOP/ALIGNVCENTER/ALIGNBOTTOM: one-shot
+// bounding-box alignment, dispatched directly (no CadCommand of their own) by
+// `OpenCADStudio::align_selected_bounds` in `src/app/commands/inquiry.rs`.
+inventory::submit!(crate::command::CommandRegistration {
+    names: &[
+        "ALIGNLEFT", "ALIGNHCENTER", "ALIGNRIGHT", "ALIGNTOP", "ALIGNVCENTER", "ALIGNBOTTOM",
+    ],
+});
 
 #[cfg(test)]
 mod tests {