ui: Mesh Block under Structured Hex, Mirror Mesh its own Edit entry (#348)

Co-Authored-By: Claude Opus 5.5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01UhhZMBTviDQxZvwnyP89fo

crates/engine/src/catalogue.rs

@@ -325,6 +325,7 @@ pub static CATALOGUE: &[Capability] = &[
         "One mesh of a partitioned part, a method per cell (hex, tet, or all hex as conforming blocks); cells joined across partitions",
         &["mesh.hex.blocks"],
     ),
+    ready("mesh.block", "Mesh Block", Mesh, "Structured Hex", "A mapped block of hex, wedge or quad elements between corner points"),
     soon(
         "mesh.hex.decompose",
         "Decompose",
@@ -347,14 +348,8 @@ pub static CATALOGUE: &[Capability] = &[
     soon("mesh.untangle", "Untangle", Mesh, "Improve", "M6", "Repair inverted elements"),
     soon("mesh.layers", "Layers", Mesh, "Improve", "M6", "Boundary padding and layers through thin walls"),
     ready_more("mesh.node.add", "Node", Mesh, "Edit", "Add a node", &["mesh.node.remove"]),
-    ready_more(
-        "mesh.element.add",
-        "Element",
-        Mesh,
-        "Edit",
-        "Add an element on existing nodes, or a mapped block of them",
-        &["mesh.element.remove", "mesh.block", "mesh.mirror"],
-    ),
+    ready_more("mesh.element.add", "Element", Mesh, "Edit", "Add an element on existing nodes", &["mesh.element.remove"]),
+    ready("mesh.mirror", "Mirror Mesh", Mesh, "Edit", "Mirror a body's mesh across a plane, joined on the plane (mesh half a symmetric part)"),
     soon("mesh.node.merge", "Merge Nodes", Mesh, "Edit", "M6", "Merge coincident nodes"),
     soon("mesh.region.remesh", "Remesh Region", Mesh, "Edit", "M6", "Remesh a region in place; split and collapse elements"),
     soon("mesh.import.orphan", "Orphan Mesh", Mesh, "Edit", "M6", "Import a mesh without geometry"),