diff --git a/Services/AnthropicService.cs b/Services/AnthropicService.cs
index f63b1a5..cd097fd 100644
--- a/Services/AnthropicService.cs
+++ b/Services/AnthropicService.cs
@@ -621,6 +621,7 @@ public class AnthropicService
             {
                 ["model"] = modelId,
                 ["max_tokens"] = 8192,
+                ["cache_control"] = new { type = "ephemeral" },
                 ["messages"] = messages,
                 ["stream"] = false
             };
@@ -850,6 +851,7 @@ public class AnthropicService
                 {
                     ["model"] = ctx.ModelId,
                     ["max_tokens"] = 16384,
+                    ["cache_control"] = new { type = "ephemeral" },
                     ["messages"] = messages,
                     ["stream"] = false
                 };
diff --git a/wwwroot/js/commands-ui.js b/wwwroot/js/commands-ui.js
index eb85f8c..8914a95 100644
--- a/wwwroot/js/commands-ui.js
+++ b/wwwroot/js/commands-ui.js
@@ -53,4 +53,3 @@ function loadCommandsIntoUI(container, customCommands) {
   } catch (e) { /* ignore parse errors */ }
 }
 
-
diff --git a/wwwroot/js/ui-helpers.js b/wwwroot/js/ui-helpers.js
index f8c3638..53b1d86 100644
--- a/wwwroot/js/ui-helpers.js
+++ b/wwwroot/js/ui-helpers.js
@@ -7,7 +7,7 @@ const metaEl = () => $('#meta');
 function esc(s) {
   const d = document.createElement('div');
   d.textContent = s;
-  return d.innerHTML;
+  return d.innerHTML.replace(/"/g, '"');
 }
 
 function truncate(s, max) {