prometheus_client: PBS-MU hinzugefügt, n/a für fehlende Metriken

Made-with: Cursor

homelab-ai-bot/core/prometheus_client.py

@@ -168,14 +168,19 @@ def format_overview() -> str:
         if c >= WARN_CPU or m >= WARN_MEM or d >= WARN_DISK:
             warn = " ⚠️"
 
-        disk_str = f"{d:.0f}%"
+        disk_str = f"{d:.0f}%" if d >= 0 else "n/a"
         if dinfo:
             disk_str += f" ({dinfo.get('avail_gb', 0):.0f}/{dinfo.get('total_gb', 0):.0f} GB frei)"
 
+        emoji = "🟢" if c >= 0 else "🟡"
+        cpu_str = f"{c:.0f}%" if c >= 0 else "n/a"
+        mem_str = f"{m:.0f}%" if m >= 0 else "n/a"
+        load_str = f"{l5:.1f}" if l5 >= 0 else "n/a"
+
         lines.append(
-            f"{'🟢' if c >= 0 else '🔴'} {h}{warn}\n"
-            f"  CPU: {c:.0f}%  RAM: {m:.0f}%  Disk: {disk_str}\n"
-            f"  Load5: {l5:.1f}  Uptime: {_fmt_uptime(u)}"
+            f"{emoji} {h}{warn}\n"
+            f"  CPU: {cpu_str}  RAM: {mem_str}  Disk: {disk_str}\n"
+            f"  Load5: {load_str}  Uptime: {_fmt_uptime(u)}"
         )
 
     warnings = get_warnings()