Fix command prompt to properly return promise results

Add comprehensive tests for createPromptContext covering prompt,
tryCommit, cancel, and handleCall middleware.

src/utils/command/command-prompt.ts

@@ -32,12 +32,12 @@ export function createPromptContext() {
     const key = call.player ?? "global";
     const existing = map.get(key);
     if (existing) {
-      existing.reject("Prompt cancelled");
+      existing.reject("Prompt overriden");
     }
 
     map.set(key, call);
     try {
-      await call.promise;
+      return await call.promise;
     } finally {
       if (map.get(key) === call) map.delete(key);
     }
@@ -64,24 +64,26 @@ export function createPromptContext() {
     map.get(player)?.reject(reason);
   }
 
-  function prompt<TArgs extends any[], TRes>(
+  async function prompt<TArgs extends any[], TRes>(
     def: PromptDef<TArgs>,
     validator: PromptValidator<TRes, TArgs>,
     player?: string,
   ) {
-    const promise = new Promise((resolve, reject) => {
-      const call = {
-        def,
-        player,
-        validator,
-
-        resolve,
-        reject,
-        promise,
-      } as PromptCall<unknown[], unknown>;
-      handleCall.execute(call);
+    let resolve: (res: TRes) => void;
+    let reject: (reason: string) => void;
+    const promise = new Promise<TRes>((res, rej) => {
+      resolve = res;
+      reject = rej;
     });
-    return promise;
+    const call = {
+      def,
+      player,
+      validator,
+      resolve: resolve!,
+      reject: reject!,
+      promise,
+    } as PromptCall<unknown[], unknown>;
+    return await handleCall.execute(call);
   }
 
   return {