Show raw AI output in Insights per turn

Store the model's literal reply (before the world-state block is stripped)
in each turn's snapshot, and render it in the Insights panel when inspecting
a past AI message (the 🔍 button). Makes it possible to see exactly what the
model emitted — including whether it sent a state delta and with what paths —
which is the fastest way to debug under-reported or misrouted stat changes.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

frontend/src/pages/Play.jsx

@@ -769,6 +769,14 @@ function InsightsPanel({ advId, inspectActionId, onClearInspect, refreshKey }) {
       ))}
       <ScriptReport script={report.script} />
       <WorldStateReport worldState={report.world_state} />
+      {report.raw_output && (
+        <div className="ctx-section">
+          <div className="ctx-header">
+            <span>Raw AI output (before state block was stripped)</span>
+          </div>
+          <pre>{report.raw_output}</pre>
+        </div>
+      )}
     </div>
   )
 }