[Bug] skin unable to load

[hef-sus]

✔️ Pre-check

• [✔️ ] Tested with the latest snapshot of BetterModel from Modrinth
• [✔️ ] Confirmed the issue occurs without other optional/experimental plugins or clients (see Disclaimer below)

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The player skin unable to load

[03:18:17 WARN]: [BetterModel] Unable to get hef_sus's skin data.
[03:18:17 WARN]: [BetterModel] Reason: com.google.gson.JsonSyntaxException: com.google.gson.stream.MalformedJsonException: Use JsonReader.setStrictness(Strictness.LENIENT) to accept malformed JSON at line 1 column 12 path $
See https://github.com/google/gson/blob/main/Troubleshooting.md#malformed-json
[03:18:17 WARN]: [BetterModel] Stack trace:
[03:18:17 WARN]: [BetterModel] java.util.concurrent.CompletionException: com.google.gson.JsonSyntaxException: com.google.gson.stream.MalformedJsonException: Use JsonReader.setStrictness(Strictness.LENIENT) to accept malformed JSON at line 1 column 12 path $
See https://github.com/google/gson/blob/main/Troubleshooting.md#malformed-json
at java.base/java.util.concurrent.CompletableFuture.wrapInCompletionException(CompletableFuture.java:323)
at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:359)
at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:364)
at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:670)
at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:531)
at java.base/java.util.concurrent.CompletableFuture.postFire(CompletableFuture.java:635)
at java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:865)
at java.base/java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:504)
at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:511)

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🌍 Environment

• OS: (Windows, Linux, etc.)
• Server software & version: (Paper 26.2, etc.)

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Disclaimer

The following environments are not supported, and issues occurring under these conditions will not be handled:

- Informal / modified launchers (e.g., Feather client)
- Closed-source mods/plugins (Optifine, ItemsAdder, Nexo, etc.)
- Hybrid server platforms (e.g., Arclight)