fix: remove remaining unused Sora variables causing TypeScript build failure

- Remove unused accessTokenInput ref from OAuthAuthorizationFlow
- Remove unused parsedSessionToken* computed and handleValidateSessionToken
- Prefix unused options parameter in useOpenAIOAuth

frontend/src/components/account/OAuthAuthorizationFlow.vue

@@ -630,7 +630,6 @@ const authCodeInput = ref('')
 const sessionKeyInput = ref('')
 const refreshTokenInput = ref('')
 const sessionTokenInput = ref('')
-const accessTokenInput = ref('')
 const showHelpDialog = ref(false)
 const oauthState = ref('')
 const projectId = ref('')
@@ -657,10 +656,6 @@ const parsedRefreshTokenCount = computed(() => {
     .filter((rt) => rt).length
 })
 
-const parsedSessionTokenCount = computed(() => 0)
-
-const parsedSessionTokensText = computed(() => '')
-
 // Watchers
 watch(inputMethod, (newVal) => {
   emit('update:inputMethod', newVal)
@@ -732,12 +727,6 @@ const handleValidateRefreshToken = () => {
   }
 }
 
-const handleValidateSessionToken = () => {
-  if (parsedSessionTokenCount.value > 0) {
-    emit('validate-session-token', parsedSessionTokensText.value)
-  }
-}
-
 // Expose methods and state
 defineExpose({
   authCode: authCodeInput,

frontend/src/composables/useOpenAIOAuth.ts

@@ -28,7 +28,7 @@ interface UseOpenAIOAuthOptions {
   platform?: OpenAIOAuthPlatform
 }
 
-export function useOpenAIOAuth(options?: UseOpenAIOAuthOptions) {
+export function useOpenAIOAuth(_options?: UseOpenAIOAuthOptions) {
   const appStore = useAppStore()
   const endpointPrefix = '/admin/openai'