feat: show page titles on agent and topic pages

This commit moves the actions bar out of the default template and into the
individual pages so that they can display their titles at the top. this
commit also has pages set the meta title so tabs are labeled nicely.

app/components/ChatInput.vue

@@ -111,8 +111,10 @@ const handleWindowKeyDown = async (event: KeyboardEvent) => {
         return;
     }
 
-    // redirect all standard keyboard input to the input field
-    inputRef.value?.focus();
+    if (document.activeElement === document.body) {
+        // redirect all standard keyboard input to the input field
+        inputRef.value?.focus();
+    }
 };
 
 watch(inputValue, async () => {