fix lint issue, add comment to agent resolver cache get method

packages/agent/src/agent-did-resolver-cache.ts

@@ -35,6 +35,12 @@ export class AgentDidResolverCache extends DidResolverCacheLevel implements DidR
     this._agent = agent;
   }
 
+  /**
+   * Get the DID resolution result from the cache for the given DID.
+   *
+   * If the DID is managed by the agent, or is the agent's own DID, it will not evict it from the cache until a new resolution is successful.
+   * This is done to achieve quick and offline access to the agent's own managed DIDs.
+   */
   async get(did: string): Promise<DidResolutionResult | void> {
     try {
       const str = await this.cache.get(did);

packages/agent/src/store-data.ts

@@ -64,7 +64,7 @@ export class DwnDataStore<TStoreObject extends Record<string, any> = Jwk> implem
   /**
    * Cache of tenant DIDs that have been initialized with the protocol.
    * This is used to avoid redundant protocol initialization requests.
-   * 
+   *
    * Since these are default protocols and unlikely to change, we can use a long TTL.
    */
   protected _protocolInitializedCache: TtlCache<string, boolean> = new TtlCache({ ttl: ms('30 days'), max: 1000 });