fix: backfill AgentRun terminal projection on read

internal/cloud/code-agent-agentrun-adapter.ts

@@ -1589,16 +1589,25 @@ function agentRunLongLivedSessionGate(base = {}) {
 }
 
 function agentRunToolCalls(result = {}, status = "completed") {
+  const replyText = agentRunReplyText(result);
   return [{
     name: "agentrun.v01.command.turn",
     status,
     runId: result?.runId ?? null,
     commandId: result?.commandId ?? null,
-    outputSummary: result?.reply ? `assistantChars=${String(result.reply).length}` : null,
+    outputSummary: replyText ? `assistantChars=${replyText.length}` : null,
     valuesPrinted: false
   }];
 }
 
+function agentRunReplyText(result = {}) {
+  for (const value of [result?.reply, result?.assistantMessage, result?.finalResponse, result?.content, result?.text, result?.message]) {
+    const text = promptTextValue(value);
+    if (text) return text;
+  }
+  return "";
+}
+
 function agentRunResultToCodeAgentPayload({ base, result, traceStore, traceId, appendResultEvent = true }) {
   const terminalStatus = String(result?.terminalStatus ?? "");
   const terminal = terminalStatus === "completed" || terminalStatus === "failed" || terminalStatus === "blocked" || terminalStatus === "cancelled";
@@ -1609,8 +1618,9 @@ function agentRunResultToCodeAgentPayload({ base, result, traceStore, traceId, a
   const runnerTrace = traceStore.snapshot(traceId, agentRunTraceMeta({}, {}));
   const terminalEventCreatedAt = agentRunResultTraceCreatedAt(runnerTrace, now);
   const providerTrace = agentRunProviderTrace({ base, result, terminalStatus });
-  if (terminalStatus === "completed" && String(result?.reply ?? "").trim()) {
-    const finalResponse = agentRunCompletedFinalResponse({ base, result, traceId, now });
+  const replyText = agentRunReplyText(result);
+  if (terminalStatus === "completed" && replyText) {
+    const finalResponse = agentRunCompletedFinalResponse({ base, result, traceId, now, replyText });
     const traceSummary = agentRunCompletedTraceSummary({ base, runnerTrace, finalResponse, traceId });
     if (appendResultEvent) {
       traceStore.append(traceId, agentRunTraceEvent({
@@ -1724,8 +1734,8 @@ function agentRunResultToCodeAgentPayload({ base, result, traceStore, traceId, a
   };
 }
 
-function agentRunCompletedFinalResponse({ base, result, traceId, now }) {
-  const textValue = String(result?.reply ?? "").trim();
+function agentRunCompletedFinalResponse({ base, result, traceId, now, replyText = null }) {
+  const textValue = promptTextValue(replyText) || agentRunReplyText(result);
   return {
     text: textValue,
     textChars: textValue.length,