fix(mcp): preserve investigation input policy

docs/api/functions/server_createServer.createServer.html

@@ -28,7 +28,7 @@ fixed-target seam used by focused tests and embedders.</p>
 <li><span><span class="tsd-kind-parameter">options</span>: <a href="../interfaces/server_createServer.CreateServerOptions.html" class="tsd-signature-type tsd-kind-interface">CreateServerOptions</a><span class="tsd-signature-symbol"> = {}</span></span></li></ul></div>
 <h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">McpServer</span></h4><aside class="tsd-sources">
 <ul>
-<li>Defined in <a href="https://github.com/morluto/rea/blob/main/src/server/createServer.ts#L80">src/server/createServer.ts:80</a></li></ul></aside></div></li></ul></section></div>
+<li>Defined in <a href="https://github.com/morluto/rea/blob/main/src/server/createServer.ts#L74">src/server/createServer.ts:74</a></li></ul></aside></div></li></ul></section></div>
 <div class="col-sidebar">
 <div class="page-menu">
 <div class="tsd-navigation settings">