Handle customer proxy re-auth response by retrying, not prompting user for different token

agent/bindings/kotlin/lib/src/main/kotlin/com/sourcegraph/cody/agent/protocol_generated/AuthError.kt

@@ -0,0 +1,12 @@
+@file:Suppress("FunctionName", "ClassName", "unused", "EnumEntryName", "UnusedImport")
+package com.sourcegraph.cody.agent.protocol_generated;
+
+data class AuthError(
+  val name: String,
+  val message: String,
+  val stack: String? = null,
+  val title: String,
+  val content: String,
+  val showTryAgain: Boolean,
+)
+

agent/bindings/kotlin/lib/src/main/kotlin/com/sourcegraph/cody/agent/protocol_generated/Constants.kt

@@ -16,7 +16,6 @@ object Constants {
   const val agentic = "agentic"
   const val ask = "ask"
   const val assistant = "assistant"
-  const val `auth-config-error` = "auth-config-error"
   const val authenticated = "authenticated"
   const val autocomplete = "autocomplete"
   const val balanced = "balanced"
@@ -43,10 +42,8 @@ object Constants {
   const val editor = "editor"
   const val enabled = "enabled"
   const val enterprise = "enterprise"
-  const val `enterprise-user-logged-into-dotcom` = "enterprise-user-logged-into-dotcom"
   const val error = "error"
   const val experimental = "experimental"
-  const val `external-auth-provider-error` = "external-auth-provider-error"
   const val file = "file"
   const val free = "free"
   const val function = "function"
@@ -60,13 +57,11 @@ object Constants {
   const val initial = "initial"
   const val insert = "insert"
   const val internal = "internal"
-  const val `invalid-access-token` = "invalid-access-token"
   const val isChatErrorGuard = "isChatErrorGuard"
   const val local = "local"
   const val method = "method"
   const val multiple = "multiple"
   const val native = "native"
-  const val `network-error` = "network-error"
   const val none = "none"
   const val notification = "notification"
   const val `object-encoded` = "object-encoded"

agent/bindings/kotlin/lib/src/main/kotlin/com/sourcegraph/cody/agent/protocol_generated/ProtocolAuthStatus.kt

@@ -45,7 +45,7 @@ data class ProtocolUnauthenticatedAuthStatus(
   val status: StatusEnum, // Oneof: unauthenticated
   val authenticated: Boolean,
   val endpoint: String,
-  val error: AuthenticationError? = null,
+  val error: AuthError? = null,
   val pendingValidation: Boolean,
 ) : ProtocolAuthStatus() {
 

agent/bindings/kotlin/lib/src/main/kotlin/com/sourcegraph/cody/agent/protocol_generated/ProtocolTypeAdapters.kt

@@ -3,7 +3,6 @@ package com.sourcegraph.cody.agent.protocol_generated;
 
 object ProtocolTypeAdapters {
   fun register(gson: com.google.gson.GsonBuilder) {
-    gson.registerTypeAdapter(AuthenticationError::class.java, AuthenticationError.deserializer)
     gson.registerTypeAdapter(ContextItem::class.java, ContextItem.deserializer)
     gson.registerTypeAdapter(CustomCommandResult::class.java, CustomCommandResult.deserializer)
     gson.registerTypeAdapter(ProtocolAuthStatus::class.java, ProtocolAuthStatus.deserializer)