Fix: App-specific resource monitoring

engine/metrics.py

@@ -1,13 +1,45 @@
 import psutil
 import time
+import os
 
 class SystemMonitor:
-    @staticmethod
-    def get_metrics():
-        return {
-            "cpu": psutil.cpu_percent(interval=1),
-            "ram": psutil.virtual_memory().percent,
-            "disk": psutil.disk_usage('/').percent,
-            "uptime": int(time.time() - psutil.boot_time()),
-            "processes": len(psutil.pids())
-        }
+    def __init__(self):
+        try:
+            self.process = psutil.Process(os.getpid())
+        except:
+            self.process = None
+
+    def get_metrics(self):
+        try:
+            if not self.process: return {"cpu": 0, "ram": 0, "disk": 0, "uptime": 0}
+            
+            # App-specific CPU usage
+            cpu = self.process.cpu_percent(interval=None)
+            
+            # App-specific RAM usage (RSS)
+            mem_info = self.process.memory_info()
+            ram_mb = mem_info.rss / (1024 * 1024)
+            
+            # Estimated percentage based on 2GB HF limit
+            ram_percent = (ram_mb / 2048) * 100
+            
+            return {
+                "cpu": round(cpu, 1),
+                "ram": round(ram_percent, 1),
+                "disk": psutil.disk_usage('/').percent,
+                "uptime": int(time.time() - self.process.create_time()),
+                "ram_mb": round(ram_mb, 1)
+            }
+        except Exception as e:
+            print(f"Metrics Error: {e}")
+            return {"cpu": 0, "ram": 0, "disk": 0, "uptime": 0}
+
+    def get_process_stats(self, pid):
+        try:
+            p = psutil.Process(pid)
+            return {
+                "cpu": p.cpu_percent(interval=None),
+                "memory": p.memory_percent()
+            }
+        except:
+            return {"cpu": 0, "memory": 0}