diff --git a/scripts/review.sh b/scripts/review.sh
index 5f9530b..ffec710 100755
--- a/scripts/review.sh
+++ b/scripts/review.sh
@@ -266,8 +266,10 @@ if [ "${PI_DEBUG}" = "true" ]; then
   TOOL_LOG=""
 
   if [ -n "${SESSION_FILE}" ]; then
-    # Extract tool-use entries: each line is a JSON object.
-    # Tool calls appear as messages with tool_use/function_call content.
+    # Extract tool-call entries from Pi session JSONL.
+    # Pi stores assistant messages with content blocks of type "toolCall"
+    # (NOT the Anthropic SDK's "tool_use"), using "arguments" (NOT "input").
+    # Tool results are separate entries with role "toolResult".
     TOOL_LOG=$(node -e "
       const fs = require('fs');
       const lines = fs.readFileSync('${SESSION_FILE}', 'utf8').trim().split('\n');
@@ -275,18 +277,16 @@ if [ "${PI_DEBUG}" = "true" ]; then
       for (const line of lines) {
         try {
           const entry = JSON.parse(line);
-          if (entry.type === 'message') {
-            const msg = entry.message;
-            // Model requesting tool use
-            if (msg.role === 'assistant' && msg.content) {
-              const parts = Array.isArray(msg.content) ? msg.content : [msg.content];
-              for (const part of parts) {
-                if (typeof part === 'object' && part.type === 'tool_use') {
-                  const input = part.input || {};
-                  const args = Object.entries(input).map(([k,v]) => k + '=' + JSON.stringify(v)).join(' ');
-                  entries.push('[tool:' + part.name + '] ' + args);
-                }
-              }
+          if (entry.type !== 'message') continue;
+          const msg = entry.message;
+          if (!msg || !msg.content) continue;
+          const parts = Array.isArray(msg.content) ? msg.content : [msg.content];
+          for (const part of parts) {
+            if (typeof part !== 'object') continue;
+            if (part.type === 'toolCall') {
+              const args = Object.entries(part.arguments || {})
+                .map(([k,v]) => k + '=' + JSON.stringify(v)).join(' ');
+              entries.push('[tool:' + part.name + '] ' + args);
             }
           }
         } catch {}