Create app.py

app.py

@@ -0,0 +1,68 @@
+import streamlit as st
+import pandas as pd
+import numpy as np
+import plotly.graph_objects as go
+import time
+
+# --- CONFIGURATION ---
+st.set_page_config(page_title="Veritas SCADA Simulator", layout="wide")
+
+# --- SIDEBAR (Compliance) ---
+st.sidebar.image("https://img.icons8.com/color/96/000000/shield.png", width=50)
+st.sidebar.header("🛡️ Veritas Sentinel")
+st.sidebar.markdown("**System Status:** ✅ ONLINE")
+st.sidebar.markdown("---")
+st.sidebar.subheader("NIST AI RMF Controls")
+st.sidebar.checkbox("Map-1.3: Asset Inventory", value=True)
+st.sidebar.checkbox("Manage-2.4: Incident Response", value=True)
+st.sidebar.checkbox("Gov-3.1: Human Oversight", value=True)
+
+# --- MAIN DASHBOARD ---
+st.title("🌊 Water Treatment Plant #4 - SCADA Monitor")
+st.markdown("Real-time telemetry monitoring for **Cyber-Physical Anomalies**.")
+
+# --- SIMULATION LOGIC ---
+# Create placeholders for the live graph
+placeholder = st.empty()
+alert_box = st.empty()
+
+# Button to trigger "Attack"
+if st.button('⚠️ SIMULATE RANSOMWARE ATTACK'):
+    attack_mode = True
+else:
+    attack_mode = False
+
+# Generate Data
+seconds = 0
+data = []
+
+# --- LIVE LOOP (Simulated) ---
+# In a real app, this would run indefinitely. For the demo, we show a snapshot.
+for i in range(50):
+    seconds += 1
+    
+    # Normal Pressure is 60-80 PSI. Attack spikes to 150 PSI.
+    if attack_mode and i > 25:
+        pressure = np.random.randint(140, 160)
+        status_color = "red"
+        alert_box.error("🚨 CRITICAL ALERT: PLC CONTROL FAILURE DETECTED. MANUAL OVERRIDE REQUIRED.")
+    else:
+        pressure = np.random.randint(60, 80)
+        status_color = "#00ff00" # Neon Green
+        if not attack_mode:
+            alert_box.success("System Normal. AI Governance Active.")
+
+    data.append(pressure)
+    
+    # Draw Graph
+    fig = go.Figure()
+    fig.add_trace(go.Scatter(y=data, mode='lines+markers', line=dict(color=status_color, width=3)))
+    fig.update_layout(
+        title="Main Pump Discharge Pressure (PSI)",
+        yaxis_range=[0, 200],
+        template="plotly_dark",
+        height=400
+    )
+    
+    placeholder.plotly_chart(fig, use_container_width=True)
+    time.sleep(0.1)