fix(ci): repair main validation gates

src/agents/embedded-agent-runner/tool-result-context-guard.ts

@@ -52,6 +52,11 @@ type MidTurnPrecheckOptions = {
   onMidTurnPrecheck?: (request: MidTurnPrecheckRequest) => void;
 };
 
+export {
+  CONTEXT_LIMIT_TRUNCATION_NOTICE,
+  formatContextLimitTruncationNotice,
+} from "./context-truncation-notice.js";
+
 export function markTranscriptPromptText(message: AgentMessage, text: string): void {
   Object.defineProperty(message, TRANSCRIPT_PROMPT_TEXT_KEY, {
     configurable: true,