chore: add connect/disconnect for in-memory client to satisfy replane interface

Author: tilyupo

packages/sdk/src/in-memory.ts

@@ -35,6 +35,7 @@ import type {
 } from "./client-types";
 import { ReplaneError, ReplaneErrorCode } from "./error";
 import { evaluateOverrides } from "./evaluation";
+import type { Replane } from "./client";
 
 /**
  * Options for setting a config with overrides.
@@ -113,11 +114,27 @@ function asHandle<T extends object>(client: InMemoryReplane<T>): InMemoryReplane
  *
  * @typeParam T - Type definition for config keys and values
  */
-export class InMemoryReplane<T extends object = Record<string, unknown>> {
+export class InMemoryReplane<T extends object = Record<string, unknown>> implements Replane<T> {
   constructor(options: InMemoryReplaneOptions<T> = {}) {
     asHandle(this)._impl = new InMemoryReplaneImpl<T>(options);
   }
 
+  /**
+   * This method exists only to satisfy the Replane interface.
+   * It does nothing and always resolves immediately.
+   */
+  connect(): Promise<void> {
+    return Promise.resolve();
+  }
+
+  /**
+   * This method exists only to satisfy the Replane interface.
+   * It does nothing.
+   */
+  disconnect(): void {
+    return;
+  }
+
   /**
    * Get a config value by name.
    *