Optimize simulation with logic-only solver, fix rectangular grid support, and improve worker pool

src/utils/debug_solver.test.js

@@ -0,0 +1,27 @@
+
+import { describe, it, expect } from 'vitest';
+import { solvePuzzle } from './solver';
+import { calculateHints } from './puzzleUtils';
+
+describe('Debug Solver', () => {
+    it('should solve the broken grid', () => {
+        const grid = [
+            [0,1,1,1,0,0,1,0,1,1],
+            [1,1,1,0,0,1,1,1,0,0],
+            [1,0,1,0,1,0,0,1,0,0],
+            [1,0,0,0,1,1,1,1,0,1],
+            [1,1,0,1,0,0,0,1,0,1],
+            [1,0,1,0,1,0,0,0,1,0],
+            [1,1,1,0,0,1,1,0,0,0],
+            [0,1,0,0,1,0,1,0,0,0],
+            [0,0,0,1,1,0,0,0,1,0],
+            [1,0,1,1,0,0,1,0,1,1]
+        ];
+
+        const { rowHints, colHints } = calculateHints(grid);
+        const result = solvePuzzle(rowHints, colHints);
+        
+        console.log('Solve Result:', result);
+        expect(result.percentSolved).toBe(100);
+    });
+});