Remove unused destructured vars without eslint-disable

Use delete instead of underscore-prefixed destructuring to exclude
properties from rest spreads, avoiding no-unused-vars lint errors.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: shrey150

packages/core/lib/v3/providerConfig.ts

@@ -141,8 +141,8 @@ export function getProviderConstructorOptions(
     return undefined;
   }
 
-  // eslint-disable-next-line @typescript-eslint/no-unused-vars
-  const { providerConfig, provider: _provider, ...rest } = normalizedOptions;
+  const { providerConfig, ...rest } = normalizedOptions;
+  delete (rest as Record<string, unknown>).provider;
 
   if (providerConfig?.provider === "bedrock") {
     return {

packages/server-v3/src/lib/InMemorySessionStore.ts

@@ -209,9 +209,8 @@ export class InMemorySessionStore implements SessionStore {
       typeof ctx.modelConfig?.modelName === "string"
         ? ctx.modelConfig.modelName
         : undefined;
-    // eslint-disable-next-line @typescript-eslint/no-unused-vars
-    const { modelName: _requestModelName, ...requestModelClientOptions } =
-      ctx.modelConfig ?? {};
+    const { ...requestModelClientOptions } = ctx.modelConfig ?? {};
+    delete (requestModelClientOptions as Record<string, unknown>).modelName;
     const modelClientOptions = {
       ...(params.modelClientOptions ?? {}),
       ...requestModelClientOptions,