fix: detect status: failure in addition to exception for request history

Entry 3 in our logs had metadata.status='failure' but no exception string,
so it was incorrectly shown as ✅ OK. Now checks both exception AND
metadata.status == 'failure'. Also updates failed count in summary.

litellm_dashboard.py

@@ -310,7 +310,9 @@ class Tools:
             # Status — check for errors
             metadata = entry.get("metadata", {}) or {}
             exception = metadata.get("exception", "")
-            status = "❌ FAIL" if exception else "✅ OK"
+            status_flag = metadata.get("status", "")
+            is_failed = bool(exception) or status_flag == "failure"
+            status = "❌ FAIL" if is_failed else "✅ OK"
 
             # Duration
             duration_ms = entry.get("request_duration_ms", 0) or 0
@@ -358,9 +360,12 @@ class Tools:
                 base += f" | ${spend:.4f}"
 
             # Error info
+            if is_failed:
+                # Show exception if present, otherwise show status failure
                 if exception:
-                # Truncate long error messages
                     err_short = exception[:80] + "…" if len(exception) > 80 else exception
+                else:
+                    err_short = "status: failure"
                 base += f"\n      └─ {err_short}"
 
             lines.append(base)
@@ -371,7 +376,7 @@ class Tools:
             recent_prompt = sum(e.get("prompt_tokens", 0) or 0 for e in recent)
             recent_completion = sum(e.get("completion_tokens", 0) or 0 for e in recent)
             recent_cache = sum(e.get("cache_read_input_tokens", 0) or 0 for e in recent)
-            recent_failed = sum(1 for e in recent if (e.get("metadata", {}) or {}).get("exception"))
+            recent_failed = sum(1 for e in recent if ((e.get("metadata", {}) or {}).get("exception")) or ((e.get("metadata", {}) or {}).get("status", "")) == "failure")
 
             lines.append("")
             lines.append(f"  Summary ({len(recent)} shown): ${recent_spend:.4f} spent | "