Enhance MemoryOptimizer with temporal decay

nexus/components/memory-optimizer.js

@@ -1,13 +1,22 @@
 
 class MemoryOptimizer {
     constructor(options = {}) {
-        this.threshold = options.threshold || 0.8;
-        this.decayRate = options.decayRate || 0.05;
+        this.threshold = options.threshold || 0.3;
+        this.decayRate = options.decayRate || 0.01;
+        this.lastRun = Date.now();
     }
-    optimize(memory) {
-        console.log('Optimizing memory...');
-        // Heuristic-based pruning
-        return memory.filter(m => m.strength > this.threshold);
+    optimize(memories) {
+        const now = Date.now();
+        const elapsed = (now - this.lastRun) / 1000;
+        this.lastRun = now;
+
+        console.log(`Optimizing ${memories.length} memories...`);
+        
+        return memories.map(m => {
+            // Temporal decay: strength drops over time unless reinforced
+            const decay = m.importance * this.decayRate * elapsed;
+            return { ...m, strength: Math.max(0, m.strength - decay) };
+        }).filter(m => m.strength > this.threshold || m.locked);
     }
 }
 export default MemoryOptimizer;