Adding the inference grant (#512)

Author: adrian-cowham

packages/livekit-server-sdk/src/AccessToken.ts

@@ -3,7 +3,7 @@
 // SPDX-License-Identifier: Apache-2.0
 import type { RoomConfiguration } from '@livekit/protocol';
 import * as jose from 'jose';
-import type { ClaimGrants, SIPGrant, VideoGrant } from './grants.js';
+import type { ClaimGrants, InferenceGrant, SIPGrant, VideoGrant } from './grants.js';
 import { claimsToJwtPayload } from './grants.js';
 
 // 6 hours
@@ -102,6 +102,14 @@ export class AccessToken {
     this.grants.video = { ...(this.grants.video ?? {}), ...grant };
   }
 
+  /**
+   * Adds an inference grant to this token.
+   * @param grant -
+   */
+  addInferenceGrant(grant: InferenceGrant) {
+    this.grants.inference = { ...(this.grants.inference ?? {}), ...grant };
+  }
+
   /**
    * Adds a SIP grant to this token.
    * @param grant -

packages/livekit-server-sdk/src/grants.ts

@@ -103,11 +103,17 @@ export interface SIPGrant {
   call?: boolean;
 }
 
+export interface InferenceGrant {
+  /** perform inference */
+  perform?: boolean;
+}
+
 /** @internal */
 export interface ClaimGrants extends JWTPayload {
   name?: string;
   video?: VideoGrant;
   sip?: SIPGrant;
+  inference?: InferenceGrant;
   kind?: string;
   metadata?: string;
   attributes?: Record<string, string>;