Fix analysis function call blocking send

static/brain_engine.js

@@ -448,7 +448,7 @@
     generating = true; sendBtn.disabled=true;
     setStatus('Both models thinking...');
     finalResponses = { base: '', oblit: '' };
-    renderAnalysis('running');
+    renderFallbackAnalysis('running');
     eegHist.base = []; eegHist.oblit = [];
     fireCounts.base = {}; fireCounts.oblit = {};
     baseline = { base: {n:0, sum:[]}, oblit: {n:0, sum:[]} };