fix: closes #1208

nexus/components/memory-optimizer.js

@@ -1,13 +1,18 @@
 
 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;
+        return memories.map(m => {
+            const decay = (m.importance || 1) * this.decayRate * elapsed;
+            return { ...m, strength: Math.max(0, (m.strength || 1) - decay) };
+        }).filter(m => m.strength > this.threshold || m.locked);
     }
 }
 export default MemoryOptimizer;

nexus/components/resonance-visualizer.js

@@ -0,0 +1,16 @@
+
+import * as THREE from 'three';
+class ResonanceVisualizer {
+    constructor(scene) {
+        this.scene = scene;
+        this.links = [];
+    }
+    addLink(p1, p2, strength) {
+        const geometry = new THREE.BufferGeometry().setFromPoints([p1, p2]);
+        const material = new THREE.LineBasicMaterial({ color: 0x00ff00, transparent: true, opacity: strength });
+        const line = new THREE.Line(geometry, material);
+        this.scene.add(line);
+        this.links.push(line);
+    }
+}
+export default ResonanceVisualizer;

nexus/components/spatial-memory.js

@@ -815,6 +815,42 @@ const SpatialMemory = (() => {
     return results.slice(0, maxResults);
   }
 
+  // ─── CONTENT SEARCH ─────────────────────────────────
+  /**
+   * Search memories by text content — case-insensitive substring match.
+   * @param {string} query - Search text
+   * @param {object} [options] - Optional filters
+   * @param {string} [options.category] - Restrict to a specific region
+   * @param {number} [options.maxResults=20] - Cap results
+   * @returns {Array<{memory: object, score: number, position: THREE.Vector3}>}
+   */
+  function searchByContent(query, options = {}) {
+    if (!query || !query.trim()) return [];
+    const { category, maxResults = 20 } = options;
+    const needle = query.trim().toLowerCase();
+    const results = [];
+
+    Object.values(_memoryObjects).forEach(obj => {
+      if (category && obj.region !== category) return;
+      const content = (obj.data.content || '').toLowerCase();
+      if (!content.includes(needle)) return;
+
+      // Score: number of occurrences + strength bonus
+      let matches = 0, idx = 0;
+      while ((idx = content.indexOf(needle, idx)) !== -1) { matches++; idx += needle.length; }
+      const score = matches + (obj.mesh.userData.strength || 0.7);
+
+      results.push({
+        memory: obj.data,
+        score,
+        position: obj.mesh.position.clone()
+      });
+    });
+
+    results.sort((a, b) => b.score - a.score);
+    return results.slice(0, maxResults);
+  }
+
 
   // ─── CRYSTAL MESH COLLECTION (for raycasting) ────────
   function getCrystalMeshes() {
@@ -864,7 +900,7 @@ const SpatialMemory = (() => {
     init, placeMemory, removeMemory, update, importMemories, updateMemory,
     getMemoryAtPosition, getRegionAtPosition, getMemoriesInRegion, getAllMemories,
     getCrystalMeshes, getMemoryFromMesh, highlightMemory, clearHighlight, getSelectedId,
-    exportIndex, importIndex, searchNearby, REGIONS,
+    exportIndex, importIndex, searchNearby, searchByContent, REGIONS,
     saveToStorage, loadFromStorage, clearStorage,
     runGravityLayout, setCamera
   };

nexus/mnemosyne/reasoner.py

@@ -0,0 +1,14 @@
+
+class Reasoner:
+    def __init__(self, rules):
+        self.rules = rules
+    def evaluate(self, entries):
+        return [r['action'] for r in self.rules if self._check(r['condition'], entries)]
+    def _check(self, cond, entries):
+        if cond.startswith('count'):
+            # e.g. count(type=anomaly)>3
+            p = cond.replace('count(', '').split(')')
+            key, val = p[0].split('=')
+            count = sum(1 for e in entries if e.get(key) == val)
+            return eval(f"{count}{p[1]}")
+        return False

nexus/mnemosyne/rules.json

@@ -0,0 +1,6 @@
+[
+  {
+    "condition": "count(type=anomaly)>3",
+    "action": "alert"
+  }
+]