fix: closes #1208

app.js

@@ -704,13 +704,13 @@ async function init() {
   createParticles();
   createDustParticles();
   updateLoad(85);
-  if (performanceTier !== "low") createAmbientStructures();
+  createAmbientStructures();
   createAgentPresences();
-  if (performanceTier !== "low") createThoughtStream();
+  createThoughtStream();
   createHarnessPulse();
   createSessionPowerMeter();
   createWorkshopTerminal();
-  if (performanceTier !== "low") createAshStorm();
+  createAshStorm();
   SpatialMemory.init(scene);
   MemoryBirth.init(scene);
   MemoryBirth.wrapSpatialMemory(SpatialMemory);
@@ -730,20 +730,14 @@ async function init() {
   fetchGiteaData();
   setInterval(fetchGiteaData, 30000); // Refresh every 30s
 
-  // Quality-tier feature gating: only enable heavy post-processing on medium/high
-  if (performanceTier !== 'low') {
-    composer = new EffectComposer(renderer);
-    composer.addPass(new RenderPass(scene, camera));
-    const bloomStrength = performanceTier === 'high' ? 0.6 : 0.35;
-    const bloom = new UnrealBloomPass(
-      new THREE.Vector2(window.innerWidth, window.innerHeight),
-      bloomStrength, 0.4, 0.85
-    );
-    composer.addPass(bloom);
-    composer.addPass(new SMAAPass(window.innerWidth, window.innerHeight));
-  } else {
-    composer = null;
-  }
+  composer = new EffectComposer(renderer);
+  composer.addPass(new RenderPass(scene, camera));
+  const bloom = new UnrealBloomPass(
+    new THREE.Vector2(window.innerWidth, window.innerHeight),
+    0.6, 0.4, 0.85
+  );
+  composer.addPass(bloom);
+  composer.addPass(new SMAAPass(window.innerWidth, window.innerHeight));
 
   updateLoad(95);
 
@@ -3133,7 +3127,7 @@ function gameLoop() {
     core.material.emissiveIntensity = 1.5 + Math.sin(elapsed * 2) * 0.5;
   }
 
-  if (composer) { composer.render(); } else { renderer.render(scene, camera); }
+  composer.render();
 
   updateAshStorm(delta, elapsed);
 
@@ -3172,7 +3166,7 @@ function onResize() {
   camera.aspect = w / h;
   camera.updateProjectionMatrix();
   renderer.setSize(w, h);
-  if (composer) composer.setSize(w, h);
+  composer.setSize(w, h);
 }
 
 // ═══ AGENT SIMULATION ═══

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/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"
+  }
+]