chore: replace scout.streamStepResponse with buildStreamTextParams (#86)

Author: hugodutka

packages/scout-agent/agent.ts

@@ -1,4 +1,4 @@
-import { tool } from "ai";
+import { streamText, tool } from "ai";
 import * as blink from "blink";
 import { z } from "zod";
 import { type Message, Scout } from "./lib";
@@ -36,9 +36,9 @@ agent.on("request", async (request) => {
 });
 
 agent.on("chat", async ({ id, messages }) => {
-  return scout.streamStepResponse({
-    chatID: id,
+  const params = scout.buildStreamTextParams({
     messages,
+    chatID: id,
     model: "anthropic/claude-sonnet-4.5",
     providerOptions: { anthropic: { cacheControl: { type: "ephemeral" } } },
     tools: {
@@ -51,6 +51,7 @@ agent.on("chat", async ({ id, messages }) => {
       }),
     },
   });
+  return streamText(params);
 });
 
 agent.serve();

packages/scout-agent/lib/core.test.ts

@@ -5,6 +5,7 @@ import { createServerAdapter } from "@whatwg-node/server";
 import {
   readUIMessageStream,
   simulateReadableStream,
+  streamText,
   type UIMessage,
 } from "ai";
 import { MockLanguageModelV2 } from "ai/test";
@@ -64,11 +65,12 @@ const newAgent = (options: {
     return new Response("Hello, world!", { status: 200 });
   });
   agent.on("chat", async ({ messages }) => {
-    return core.streamStepResponse({
+    const params = core.buildStreamTextParams({
       model: options.model,
       messages,
       chatID: "b485db32-3d53-45fb-b980-6f4672fc66a6",
     });
+    return streamText(params);
   });
   return agent;
 };
@@ -611,11 +613,12 @@ describe("daytona integration", () => {
       },
     });
 
-    const result = scout.streamStepResponse({
+    const params = scout.buildStreamTextParams({
       chatID: "test-chat-id" as blink.ID,
       messages: [],
       model: newMockModel({ textResponse: "test" }),
     });
+    const result = streamText(params);
 
     // Access the tools from the result and call initialize_workspace directly
     // biome-ignore lint/suspicious/noExplicitAny: accessing internal tools for testing
@@ -677,11 +680,12 @@ describe("daytona integration", () => {
       },
     });
 
-    const result = scout.streamStepResponse({
+    const params = scout.buildStreamTextParams({
       chatID: "test-chat-id" as blink.ID,
       messages: [],
       model: newMockModel({ textResponse: "test" }),
     });
+    const result = streamText(params);
 
     // biome-ignore lint/suspicious/noExplicitAny: accessing internal tools for testing
     const tools = (result as any).tools as Record<

packages/scout-agent/lib/core.ts

@@ -1,15 +1,9 @@
 import util from "node:util";
-import type { ProviderOptions } from "@ai-sdk/provider-utils";
+import type { ModelMessage, ProviderOptions } from "@ai-sdk/provider-utils";
 import withModelIntent from "@blink-sdk/model-intent";
 import * as slack from "@blink-sdk/slack";
 import type { App } from "@slack/bolt";
-import {
-  convertToModelMessages,
-  type LanguageModel,
-  type StreamTextResult,
-  streamText,
-  type Tool,
-} from "ai";
+import { convertToModelMessages, type LanguageModel, type Tool } from "ai";
 import type * as blink from "blink";
 import {
   type DaytonaClient,
@@ -260,14 +254,20 @@ export class Scout {
     }
   }
 
-  streamStepResponse({
+  buildStreamTextParams({
     messages,
     chatID,
     model,
     providerOptions,
     tools: providedTools,
     systemPrompt = defaultSystemPrompt,
-  }: StreamStepResponseOptions): StreamTextResult<Tools, never> {
+  }: StreamStepResponseOptions): {
+    model: LanguageModel;
+    messages: ModelMessage[];
+    maxOutputTokens: number;
+    providerOptions?: ProviderOptions;
+    tools: Tools;
+  } {
     if (!this.suppressConfigWarnings) {
       this.printConfigWarnings();
     }
@@ -376,12 +376,12 @@ ${slack.formattingRules}
     }
     lastMessage.providerOptions = providerOptions;
 
-    return streamText({
+    return {
       model,
       messages: converted,
       maxOutputTokens: 64_000,
       providerOptions,
       tools: withModelIntent(tools),
-    });
+    };
   }
 }

packages/scout-agent/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@blink-sdk/scout-agent",
   "description": "A general-purpose AI agent with GitHub, Slack, web search, and compute capabilities built on Blink SDK.",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "type": "module",
   "keywords": [
     "blink",