road delete instead of hide

src/App.tsx

@@ -3305,21 +3305,29 @@ function AppShell({
             setStatus(`Editing road #${id}. Drag the gold vertex dots.`);
           }}
           onRoadRightClick={(id) => {
-            // Right-click hides immediately. Hide is session-only and clears
-            // when OSM edit mode exits or focused video changes.
-            setHiddenRoadIds((prev) => {
-              const next = new Set(prev);
-              next.add(id);
-              return next;
-            });
-            setSelectedRoadIds((prev) => {
-              if (!prev.has(id)) return prev;
-              const next = new Set(prev);
-              next.delete(id);
-              return next;
-            });
-            pushOsmUndo({ kind: "unhide", ids: [id], label: "hide road" });
-            setStatus(`Road #${id} hidden (session-only).`);
+            // Right-click deletes the road from the DB. Snapshot first so the
+            // OSM undo ring can resurrect it via restore_road_state's upsert
+            // path (re-inserts the row with its original id + modified flag).
+            // Hide-by-Del in focused-video mode is a separate, non-destructive
+            // path.
+            (async () => {
+              try {
+                await snapshotRoadsForUndo([id], "delete road (right-click)");
+                await invoke("delete_osm_road", { id });
+                setSelectedRoadIds((prev) => {
+                  if (!prev.has(id)) return prev;
+                  const next = new Set(prev);
+                  next.delete(id);
+                  return next;
+                });
+                if (editingRoadId === id) setEditingRoadId(null);
+                setMarkedVertices(new Set());
+                await refreshOsmRoads();
+                setStatus(`Road #${id} deleted. Use Undo to bring it back.`);
+              } catch (e) {
+                setStatus(`Delete failed: ${e}`);
+              }
+            })();
           }}
           onUpdateRoad={handleUpdateRoad}
           roadOffsetMeters={roadOffsetMeters}