web UI: collapse tool-result chat lines to a single line + size hint

read_file / grep results dumped their (often large) content into the live
stream, which was hard to follow. Show just `tool ⟵ <name> (N lines)`; the
full truncated result stays in stored history for debugging.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

Author: tarekziade

reviewbot/static/review.js

@@ -210,8 +210,12 @@
     }
     if (!m || typeof m !== "object") return text;
     if (m.role === "tool") {
-      const first = String(m.content || "").split("\n")[0].slice(0, 140);
-      return `tool ⟵ ${m.name || "?"}: ${first}`;
+      // Don't dump the (often large) tool output into the console; just note
+      // the tool and a size hint. Full result is in stored history.
+      const c = String(m.content || "");
+      const lines = c ? c.split("\n").length : 0;
+      const size = lines ? ` (${lines} line${lines === 1 ? "" : "s"})` : "";
+      return `tool ⟵ ${m.name || "?"}${size}`;
     }
     const meta = [];
     if (m.finish_reason != null && m.finish_reason !== "stop") {

reviewbot/static/task.html

@@ -114,8 +114,12 @@ <h2 style="margin-top:0;">Task</h2>
       try { m = JSON.parse(txt); } catch (_) { return txt; }
       if (!m || typeof m !== "object") return txt;
       if (m.role === "tool") {
-        const first = String(m.content || "").split("\n")[0].slice(0, 140);
-        return `tool ⟵ ${m.name || "?"}: ${first}`;
+        // Don't dump the (often large) tool output into the console; just
+        // note the tool and a size hint. Full result is in stored history.
+        const c = String(m.content || "");
+        const lines = c ? c.split("\n").length : 0;
+        const size = lines ? ` (${lines} line${lines === 1 ? "" : "s"})` : "";
+        return `tool ⟵ ${m.name || "?"}${size}`;
       }
       const meta = [];
       if (m.finish_reason != null && m.finish_reason !== "stop") meta.push(`finish=${m.finish_reason}`);