Add documentation for RESP and unstableResp3 options

Author: bobymicroby

packages/client/lib/RESP/types.ts

@@ -314,11 +314,17 @@ export interface CommanderConfig<
   functions?: F;
   scripts?: S;
   /**
-   * TODO
+   * Specifies the Redis Serialization Protocol version to use.
+   * RESP2 is the default (value 2), while RESP3 (value 3) provides
+   * additional data types and features introduced in Redis 6.0.
    */
   RESP?: RESP;
   /**
-   * TODO
+   * When set to true, enables commands that have unstable RESP3 implementations.
+   * When using RESP3 protocol, commands marked as having unstable RESP3 support
+   * will throw an error unless this flag is explicitly set to true.
+   * This primarily affects modules like Redis Search where response formats
+   * in RESP3 mode may change in future versions.
    */
   unstableResp3?: boolean;
 }

packages/client/lib/client/commands-queue.ts

@@ -109,6 +109,7 @@ export default class RedisCommandsQueue {
     return new Decoder({
       onReply: reply => this.#onReply(reply),
       onErrorReply: err => this.#onErrorReply(err),
+      //TODO: we can shave off a few cycles by not adding onPush handler at all if CSC is not used
       onPush: push => {
         if (!this.#onPush(push)) {
           // currently only supporting "invalidate" over RESP3 push messages