Add detailed benchmark results for multiple relays.

- Included results for `relayer-basic`, `strfry`, and `nostr-rs-relay` relay benchmarks.
- Comprehensive performance metrics added for throughput, latency, query, and concurrent operations.
- Reports saved as plain text and AsciiDoc formats.

pkg/database/fetch-event-by-serial.go

@@ -2,6 +2,7 @@ package database
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/dgraph-io/badger/v4"
 	"lol.mleku.dev/chk"
@@ -25,8 +26,23 @@ func (d *D) FetchEventBySerial(ser *types.Uint40) (ev *event.E, err error) {
 			if v, err = item.ValueCopy(nil); chk.E(err) {
 				return
 			}
+			// Check if we have valid data before attempting to unmarshal
+			if len(v) < 32+32+1+2+1+1+64 { // ID + Pubkey + min varint fields + Sig
+				err = fmt.Errorf(
+					"incomplete event data: got %d bytes, expected at least %d",
+					len(v), 32+32+1+2+1+1+64,
+				)
+				return
+			}
 			ev = new(event.E)
-			if err = ev.UnmarshalBinary(bytes.NewBuffer(v)); chk.E(err) {
+			if err = ev.UnmarshalBinary(bytes.NewBuffer(v)); err != nil {
+				// Add more context to EOF errors for debugging
+				if err.Error() == "EOF" {
+					err = fmt.Errorf(
+						"EOF while unmarshaling event (serial=%v, data_len=%d): %w",
+						ser, len(v), err,
+					)
+				}
 				return
 			}
 			return