fix: parse error timestamps as float

internal/parser/caddy.go

@@ -304,13 +304,14 @@ func ParseAggregatedOutput(raw string) (*AggregatedHistory, error) {
 			if len(parts) < 6 {
 				continue
 			}
-			ts, err := strconv.ParseInt(parts[0], 10, 64)
+			// Caddy logs ts as a float (unix seconds with fractional part).
+			tsFloat, err := strconv.ParseFloat(parts[0], 64)
 			if err != nil {
 				continue
 			}
 			status, _ := strconv.Atoi(parts[1])
 			h.Errors = append(h.Errors, ErrorEntry{
-				Time:     time.Unix(ts, 0),
+				Time:     time.Unix(int64(tsFloat), 0),
 				Status:   status,
 				Method:   parts[2],
 				URI:      parts[3],