Wait and both kinds of until loops; blocks run directly

Script runs are resumable threads saved with the game; Rhai is gone.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/editor/blocks_ui.rs

@@ -85,7 +85,7 @@ fn list_mut<'a>(root: &'a mut Vec<Block>, lp: &[usize]) -> Option<&'a mut Vec<Bl
                     els
                 }
             }
-            Block::Repeat { body, .. } => body,
+            Block::Repeat { body, .. } | Block::Until { body, .. } | Block::DoUntil { body, .. } => body,
             _ => return None,
         };
         k += 2;
@@ -432,7 +432,7 @@ impl BlockEdit {
             // slots: upper half before this block, lower half after it
             slots.push((Rect::new(x, y - CH() * 0.3, w, header.h * 0.5 + CH() * 0.3), lp.to_vec(), k));
             slots.push((Rect::new(x, y + header.h * 0.5, w, header.h * 0.5), lp.to_vec(), k + 1));
-            let nested = matches!(list[k], Block::If { .. } | Block::Repeat { .. });
+            let nested = matches!(list[k], Block::If { .. } | Block::Repeat { .. } | Block::Until { .. } | Block::DoUntil { .. });
             // the block: header row with its fields
             draw_block_shape(header, col, selected, found);
             if let Some(p) = problem {
@@ -479,7 +479,7 @@ impl BlockEdit {
                                 els
                             }
                         }
-                        Block::Repeat { body, .. } => body,
+                        Block::Repeat { body, .. } | Block::Until { body, .. } | Block::DoUntil { body, .. } => body,
                         _ => unreachable!(),
                     };
                     let start = y;
@@ -563,6 +563,11 @@ impl BlockEdit {
                 self.value(im, gfx, times, Ty::Num, path, 1, cx, y, ctx);
                 word(cx, &tr("blk.w_times"));
             }
+            Block::Until { cond, .. } | Block::DoUntil { cond, .. } => self.value(im, gfx, cond, Ty::Bool, path, 1, cx, y, ctx),
+            Block::Wait { secs } => {
+                self.value(im, gfx, secs, Ty::Num, path, 1, cx, y, ctx);
+                word(cx, &tr("blk.w_seconds"));
+            }
             Block::Win | Block::Lose => {}
             Block::Reveal { zone } | Block::Camera { zone } => self.zone_dd(im, gfx, zone, path, 1, cx, y, ctx),
             Block::Terrain { zone, kind } => {