diff --git a/src/common/events.ts b/src/common/events.ts
index ecfedcb..367a345 100644
--- a/src/common/events.ts
+++ b/src/common/events.ts
@@ -86,7 +86,7 @@ function normalizeToolCallPayload(payload: JsonRecord): JsonRecord {
   const summary = boundedTextSummary(json);
   if (summary.outputTruncated !== true) return { ...redacted, summary, outputBytes: summary.outputBytes, outputTruncated: false };
   return {
-    method: typeof payload.method === "string" ? payload.method : null,
+    ...preservedToolCallSummaryFields(redacted),
     itemPreview: summary.text,
     summary,
     outputBytes: summary.outputBytes,
@@ -94,6 +94,39 @@ function normalizeToolCallPayload(payload: JsonRecord): JsonRecord {
   };
 }
 
+function preservedToolCallSummaryFields(payload: JsonRecord): JsonRecord {
+  const result: JsonRecord = {};
+  copyToolCallPrimitive(result, payload, "method");
+  copyToolCallPrimitive(result, payload, "itemId");
+  copyToolCallPrimitive(result, payload, "type");
+  copyToolCallPrimitive(result, payload, "toolName");
+  copyToolCallPrimitive(result, payload, "name");
+  copyToolCallPrimitive(result, payload, "status");
+  copyToolCallPrimitive(result, payload, "exitCode");
+  copyToolCallPrimitive(result, payload, "durationMs");
+  copyToolCallPrimitive(result, payload, "outputBytes");
+  copyToolCallPrimitive(result, payload, "outputTruncated");
+  copyToolCallSummaryText(result, payload, "command", 600);
+  copyToolCallSummaryText(result, payload, "commandLine", 600);
+  copyToolCallSummaryText(result, payload, "outputSummary", 1_000);
+  copyToolCallSummaryText(result, payload, "stdoutSummary", 1_000);
+  return result;
+}
+
+function copyToolCallPrimitive(target: JsonRecord, source: JsonRecord, key: string): void {
+  const value = source[key];
+  if (typeof value === "string" && value.trim().length > 0) target[key] = value;
+  else if (typeof value === "number" && Number.isFinite(value)) target[key] = value;
+  else if (typeof value === "boolean") target[key] = value;
+}
+
+function copyToolCallSummaryText(target: JsonRecord, source: JsonRecord, key: string, limitChars: number): void {
+  const value = source[key];
+  if (typeof value !== "string" || value.trim().length === 0) return;
+  const summary = boundedTextSummary(value, { limitChars });
+  target[key] = summary.text;
+}
+
 function isCommandExecutionToolCall(payload: JsonRecord): boolean {
   return payload.toolName === "commandExecution" || payload.type === "commandExecution";
 }