chore(release): update versions to v3.1.3 [skip ci]

website/llms.txt

@@ -87,7 +87,7 @@ Compatibility depends on each website's player implementation and can change whe
 
 ## Technical information
 
-- Current website release: 3.1.2
+- Current website release: 3.1.3
 - License: MIT
 - Extension runtime: dependency-free browser extension code
 - Relay: Node.js with Socket.IO-compatible WebSocket messaging

website/template.html

@@ -116,7 +116,7 @@
         "priceCurrency": "EUR"
       },
       "description": "{{SCHEMA_APP_DESC}}",
-      "softwareVersion": "3.1.2",
+      "softwareVersion": "3.1.3",
       "license": "https://opensource.org/licenses/MIT",
       "sameAs": "https://github.com/Shik3i/KoalaSync",
       "image": "https://sync.koalastuff.net/assets/NewLogoIcon.webp",

website/version.json

@@ -1,4 +1,4 @@
 {
-  "version": "3.1.2",
-  "date": "2026-08-17T15:14:41Z"
+  "version": "3.1.3",
+  "date": "2026-08-18T19:38:09Z"
 }