Refactor: Implement SmartCube renderer, improve UI styling, and fix gaps

scripts/verify_integrity.js

@@ -0,0 +1,39 @@
+import { DeepCube } from '../src/utils/DeepCube.js';
+
+console.log('🔥 Starting DeepCube Integrity Verification (1,000,000 Moves) 🔥');
+
+const cube = new DeepCube();
+const MOVES = ["U", "D", "L", "R", "F", "B", "U'", "D'", "L'", "R'", "F'", "B'", "U2", "D2", "L2", "R2", "F2", "B2"];
+const ITERATIONS = 1000000;
+const CHECK_INTERVAL = 100000;
+
+const startTime = performance.now();
+
+for (let i = 0; i < ITERATIONS; i++) {
+    const move = MOVES[Math.floor(Math.random() * MOVES.length)];
+    cube.move(move);
+
+    // Check integrity
+    const result = cube.validate();
+    if (!result.valid) {
+        console.error(`❌ CRITICAL FAILURE at iteration ${i} after move ${move}`);
+        console.error(result.errors);
+        console.error('State Dump:', {
+            cp: cube.cp,
+            co: cube.co,
+            ep: cube.ep,
+            eo: cube.eo
+        });
+        process.exit(1);
+    }
+
+    if ((i + 1) % CHECK_INTERVAL === 0) {
+        const elapsed = ((performance.now() - startTime) / 1000).toFixed(2);
+        console.log(`✅ ${i + 1} moves verified... (Time: ${elapsed}s)`);
+    }
+}
+
+const totalTime = ((performance.now() - startTime) / 1000).toFixed(2);
+console.log(`\n🎉 SUCCESS! Verified 1,000,000 moves without logical corruption.`);
+console.log(`Total Time: ${totalTime}s`);
+console.log(`Moves per second: ${Math.round(ITERATIONS / totalTime)}`);