Improve delegate (#377)

* Improve delegate

* fix stale log regexes in delegate tests and add test-coupling comments

Co-authored-by: Cursor <cursoragent@cursor.com>

---------

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
Colin McDonnell
2026-02-23 23:41:27 +00:00
committed by pullfrog[bot]
parent a7bd746f21
commit 2017922780
30 changed files with 853 additions and 522 deletions
+13 -7
View File
@@ -3,7 +3,7 @@ import { ghPullfrogMcpName } from "../external.ts";
import { log } from "../utils/cli.ts";
import type { ToolContext } from "./server.ts";
import { execute, tool } from "./shared.ts";
import { createSubagentState, runSubagent } from "./subagent.ts";
import { createSubagentState, hasRunningSubagents, runSubagent } from "./subagent.ts";
export const AskQuestionParams = type({
question: type.string.describe(
@@ -12,9 +12,9 @@ export const AskQuestionParams = type({
});
function buildQuestionPrompt(question: string): string {
return `You are a focused research subagent. Answer the following question by exploring the codebase using the available MCP tools (${ghPullfrogMcpName}/file_read, ${ghPullfrogMcpName}/list_directory, etc.).
return `Answer the following question by exploring the codebase using the available MCP tools (${ghPullfrogMcpName}/file_read, ${ghPullfrogMcpName}/list_directory, etc.).
Be thorough in your investigation but concise in your answer. When done, call ${ghPullfrogMcpName}/set_output with a maximally concise answer — key facts only, no filler, no preamble.
Be thorough in your investigation but concise in your answer. Key facts only, no filler, no preamble.
Question: ${question}`;
}
@@ -26,12 +26,18 @@ export function AskQuestionTool(ctx: ToolContext) {
"Ask a question about the codebase and get a concise answer from a lightweight research subagent. The intermediate exploration context stays in the subagent — only the concise answer returns to you.",
parameters: AskQuestionParams,
execute: execute(async (params) => {
if (ctx.toolState.activeSubagentId) {
return { error: "cannot ask questions while a subagent is already running" };
if (hasRunningSubagents(ctx)) {
return { error: "cannot ask questions while subagents are running" };
}
const subagent = createSubagentState({ ctx, mode: "ask_question" });
log.info(`» ask_question subagent=${subagent.id}: ${params.question.slice(0, 100)}`);
const label = `ask-${params.question
.slice(0, 40)
.toLowerCase()
.replace(/[^a-z0-9]+/g, "-")
.replace(/^-|-$/g, "")}`;
const subagent = createSubagentState({ ctx, mode: "ask_question", label });
// matched by delegateAskQuestion test validator — update tests if changed
log.info(`» ask_question "${label}": ${params.question.slice(0, 100)}`);
const result = await runSubagent({
ctx,