Update waveform_renderer.py

waveform_renderer.py

@@ -1,12 +1,18 @@
+# waveform_renderer.py
 # Author: Liam Grinstead
-# Collapse gradient waveform from τ_eff, β, and coherence response
+# Collapse gradient waveform (safe)
 
 def render_waveform(agent: dict, score: float) -> str:
-    tau = agent.get("collapse_overlay", {}).get("tau_eff", 1.0)
-    beta = agent.get("collapse_overlay", {}).get("beta_band", 0.5)
-    amp = min(40, 12 + tau * 10)
-    hue = int(20 + beta * 220)
-    speed = max(1.2, 2.4 - beta)
+    overlay = agent.get("collapse_overlay", {}) or {}
+    tau = overlay.get("tau_eff", 1.2)
+    beta = overlay.get("beta_band", 0.5)
+
+    try:
+        amp = min(40, 12 + float(tau) * 10)
+        hue = int(20 + float(beta) * 220)
+        speed = max(1.2, 2.4 - float(beta))
+    except Exception:
+        amp, hue, speed = 18, 140, 2.0
 
     return f"""
     <svg width="420" height="140" xmlns="http://www.w3.org/2000/svg">
@@ -19,4 +25,3 @@ def render_waveform(agent: dict, score: float) -> str:
       <text x="10" y="120" font-size="12">τ_eff={tau} · β={beta} · score={score}</text>
     </svg>
     """
-