From 5bf170f3351c7ffd3055ab4422decdcb6acc52e3 Mon Sep 17 00:00:00 2001
From: Eva <eva@100yen.org>
Date: Wed, 29 Apr 2026 16:42:57 +0700
Subject: [PATCH] fix(context-engine): derive prompt authority type

---
 src/agents/pi-embedded-runner/run/attempt.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/agents/pi-embedded-runner/run/attempt.ts b/src/agents/pi-embedded-runner/run/attempt.ts
index b655034ed55..8741ac4fade 100644
--- a/src/agents/pi-embedded-runner/run/attempt.ts
+++ b/src/agents/pi-embedded-runner/run/attempt.ts
@@ -10,6 +10,7 @@ import {
 import { isAcpRuntimeSpawnAvailable } from "../../../acp/runtime/availability.js";
 import { filterHeartbeatPairs } from "../../../auto-reply/heartbeat-filter.js";
 import { getRuntimeConfig } from "../../../config/config.js";
+import type { AssembleResult } from "../../../context-engine/types.js";
 import { emitTrustedDiagnosticEvent } from "../../../infra/diagnostic-events.js";
 import {
   createChildDiagnosticTraceContext,
@@ -1527,7 +1528,8 @@ export async function runEmbeddedAttempt(
       }
       let prePromptMessageCount = activeSession.messages.length;
       let unwindowedContextEngineMessagesForPrecheck: AgentMessage[] | undefined;
-      let contextEnginePromptAuthority: "assembled" | "preassembly_may_overflow" = "assembled";
+      let contextEnginePromptAuthority: NonNullable<AssembleResult["promptAuthority"]> =
+        "assembled";
       abortSessionForYield = () => {
         yieldAbortSettled = Promise.resolve(activeSession.abort());
       };