[BUG] Plugin fails to authenticate when IntelliJ IDEA is configured with proxy

[pingram122]

Description

When IntelliJ IDEA is configured to use a proxy server, the plugin fails to authenticate, making it impossible to use the plugin functionality. The error occurs during authentication attempts:

java.io.IOException: Failed to authenticate with proxy
    at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315)
    ...

Full stacktrace:

Error occurred while processing chat message

java.util.concurrent.CompletionException: com.devoxx.genie.service.exception.ProviderUnavailableException: java.lang.RuntimeException: java.io.IOException: Failed to authenticate with proxy
	at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:315)
	at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:320)
	at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1770)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: com.devoxx.genie.service.exception.ProviderUnavailableException: java.lang.RuntimeException: java.io.IOException: Failed to authenticate with proxy
	at com.devoxx.genie.service.PromptExecutionService.processChatMessage(PromptExecutionService.java:125)
	at com.devoxx.genie.service.PromptExecutionService.lambda$executeQuery$0(PromptExecutionService.java:74)
	at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768)
	... 3 more