Create app.py

app.py

@@ -0,0 +1,112 @@
+import gradio as gr
+from collections import deque, Counter
+
+# =====================
+# STATE
+# =====================
+history = deque(maxlen=200)
+last10 = deque(maxlen=10)
+
+# =====================
+# HELPERS
+# =====================
+def bs(n):
+    return "S" if n <= 4 else "B"
+
+def run_length(data):
+    if len(data) < 2:
+        return 1
+    r = 1
+    for i in range(len(data)-1, 0, -1):
+        if data[i] == data[i-1]:
+            r += 1
+        else:
+            break
+    return r
+
+def bias_ratio(data):
+    if not data:
+        return 0.5
+    c = Counter(data)
+    return c["B"] / len(data)
+
+# =====================
+# PREDICTION ENGINE
+# =====================
+def predict():
+    if len(history) < 15:
+        return "WAIT", 0.50, "Not enough data"
+
+    data = list(history)
+
+    w5 = data[-5:]
+    w8 = data[-8:]
+    w13 = data[-13:]
+
+    b5 = bias_ratio(w5)
+    b8 = bias_ratio(w8)
+    b13 = bias_ratio(w13)
+
+    avg_bias = (b5 + b8 + b13) / 3
+    run = run_length(data)
+
+    pred = "BIG" if avg_bias >= 0.5 else "SMALL"
+
+    # confidence (PDF-inspired)
+    conf = 0.55
+
+    if run <= 2:
+        conf += 0.08
+    elif run == 3:
+        conf += 0.03
+    else:
+        conf -= 0.15
+
+    if abs(b5 - b13) < 0.15:
+        conf += 0.05
+    else:
+        conf -= 0.05
+
+    conf = max(0.35, min(conf, 0.75))
+
+    status = "GO" if conf >= 0.60 else "WARN"
+    return pred, round(conf, 2), status
+
+# =====================
+# INPUT HANDLER
+# =====================
+def add_number(n):
+    n = int(n)
+    history.append(bs(n))
+    last10.append(str(n))
+
+    pred, conf, status = predict()
+
+    hist_view = "  ".join(last10)
+    out = f"""
+Prediction : {pred}
+Confidence : {conf}
+Status     : {status}
+"""
+
+    return hist_view, out
+
+# =====================
+# UI
+# =====================
+with gr.Blocks(theme=gr.themes.Soft()) as demo:
+    gr.Markdown("## 🧠 Big / Small Engine (Rule + Short Memory)")
+
+    hist_box = gr.Textbox(label="Last 10 Inputs", interactive=False)
+    out_box = gr.Textbox(label="Engine Output", lines=5)
+
+    with gr.Row():
+        for i in range(10):
+            btn = gr.Button(str(i))
+            btn.click(
+                fn=add_number,
+                inputs=gr.Number(value=i, visible=False),
+                outputs=[hist_box, out_box]
+            )
+
+demo.launch()