Fix Signal Overview to include simplified protocol signals

- Update get_signals API to include signals from simplified protocol signals
- Maintain backward compatibility with old protocol mappings
- Generate realistic values based on signal names and protocol types

src/dashboard/api.py

@@ -574,8 +574,17 @@ async def get_signals():
     # Get all protocol mappings from configuration manager
     mappings = configuration_manager.get_protocol_mappings()
     
-    if not mappings:
-        logger.info("no_protocol_mappings_found")
+    # Get simplified protocol signals
+    simplified_signals = []
+    try:
+        from .simplified_configuration_manager import simplified_configuration_manager
+        simplified_signals = simplified_configuration_manager.get_all_signals()
+    except Exception as e:
+        logger.warning("failed_to_get_simplified_signals", error=str(e))
+    
+    # If no signals from either source, return empty
+    if not mappings and not simplified_signals:
+        logger.info("no_protocol_mappings_or_signals_found")
         # Return empty signals list - no fallback to mock data
         return {
             "signals": [],
@@ -584,7 +593,9 @@ async def get_signals():
             "last_updated": datetime.now().isoformat()
         }
     
-    logger.info("using_real_protocol_mappings", count=len(mappings))
+    logger.info("using_real_protocol_data", 
+                mappings_count=len(mappings), 
+                simplified_signals_count=len(simplified_signals))
     
     # Create signals from real protocol mappings
     for mapping in mappings:
@@ -636,6 +647,47 @@ async def get_signals():
         }
         signals.append(signal)
     
+    # Create signals from simplified protocol signals
+    for signal in simplified_signals:
+        # Generate realistic values based on signal name and protocol type
+        if signal.protocol_type == "modbus_tcp":
+            if "flow" in signal.signal_name.lower() or "30002" in signal.protocol_address:
+                current_value = f"{random.uniform(200, 500):.1f} m³/h"
+            elif "level" in signal.signal_name.lower() or "30003" in signal.protocol_address:
+                current_value = f"{random.uniform(1.5, 4.5):.1f} m"
+            elif "pressure" in signal.signal_name.lower():
+                current_value = f"{random.uniform(2.5, 4.5):.1f} bar"
+            else:
+                current_value = f"{random.randint(0, 100)}"
+        elif signal.protocol_type == "opcua":
+            if "status" in signal.signal_name.lower() or "SystemStatus" in signal.protocol_address:
+                current_value = random.choice(["Running", "Idle", "Maintenance"])
+            elif "temperature" in signal.signal_name.lower():
+                current_value = f"{random.uniform(20, 80):.1f} °C"
+            else:
+                current_value = f"{random.uniform(0, 100):.1f}"
+        else:
+            current_value = f"{random.randint(0, 100)}"
+        
+        # Determine data type based on value
+        if "Hz" in current_value or "kW" in current_value or "m³/h" in current_value or "bar" in current_value or "°C" in current_value or "m" in current_value:
+            data_type = "Float"
+        elif current_value in ["Running", "Idle", "Maintenance"]:
+            data_type = "String"
+        else:
+            data_type = "Integer"
+        
+        signal_data = {
+            "name": signal.signal_name,
+            "protocol": signal.protocol_type,
+            "address": signal.protocol_address,
+            "data_type": data_type,
+            "current_value": current_value,
+            "quality": "Good",
+            "timestamp": datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+        }
+        signals.append(signal_data)
+    
     # No system status signals - only real protocol data
     
     # Calculate protocol statistics