floonet-strfry: raise strfry maxEventSize to 131072

Match the advertised maxWebsocketPayloadSize so a maximum-size NIP-59
gift-wrapped slatepack payment (~66 KiB worst case) is accepted; the old
64 KiB cap could silently reject the largest payments on the money path.

deploy/strfry/strfry.conf

@@ -21,9 +21,11 @@ dbParams {
 }
 
 events {
-    # Reject oversized events. 64 KiB comfortably fits profile metadata and
+    # Reject oversized events. 128 KiB matches maxWebsocketPayloadSize below and
-    # large gift-wrapped payloads.
+    # fits a maximum-size NIP-59 gift-wrapped slatepack payment (~66 KiB worst
-    maxEventSize = 65536
+    # case per the wallet's relay research), which the old 64 KiB cap could
+    # silently reject.
+    maxEventSize = 131072
 
     # Clock-skew tolerance for future-dated events. NIP-59 gift wraps tweak
     # created_at backwards (up to ~2 days), so they are unaffected by the