diff --git a/frontend/src/backend.js b/frontend/src/backend.js
index 753ef7e..bc1283c 100644
--- a/frontend/src/backend.js
+++ b/frontend/src/backend.js
@@ -157,6 +157,14 @@ export function sendAction(action, body = {}, callback = null) {
   return deferred.promise;
 }
 
+export async function act (action, body, { alert = null, cache = null } = {}) {
+  const res = await sendAction(action, body);
+  if (res.error) { ui.alert(`Error: ${res.error}`); return null; }
+  if (cache) invalidateCache(cache);
+  if (alert) ui.alert(alert);
+  return res;
+}
+
 export function ping() {
   if (socket && socket.readyState === WebSocket.OPEN) {
     const data = JSON.stringify({ path: 'ping' });
diff --git a/frontend/src/ui.js b/frontend/src/ui.js
index 7f90aa5..147e703 100644
--- a/frontend/src/ui.js
+++ b/frontend/src/ui.js
@@ -1,5 +1,6 @@
 // Global utility functions related with UI functionality
 
+import { ref } from 'vue';
 import router from './router'
 
 export function goto (path) {
@@ -33,6 +34,15 @@ export function contextMenu (entries) {
     });
 }
 
+// Helper object to manage track toggable ui elements
+export function useToggleSet () {
+  const state = ref({});
+  return {
+    has(key) { return Boolean(state.value[key]); },
+    toggle(key) { state.value[key] = !state.value[key]; },
+  };
+}
+
 
 // === Events === //
 
diff --git a/frontend/src/views/Agent.vue b/frontend/src/views/Agent.vue
index 28087ea..64e2b6f 100644
--- a/frontend/src/views/Agent.vue
+++ b/frontend/src/views/Agent.vue
@@ -148,45 +148,35 @@
 
   // === Configuration === //
 
-  function updateIdentifier() {
+  async function updateIdentifier() {
     const value = prompt(`Enter a new identifier for ${agent.value.name}`);
     if (value) {
-      backend.sendAction("update-agent", {
+      let res = await backend.act("update-agent", {
         // agentId is necessary here
         agentId: agent.value.id,
         // used as value instead of identifier
         agentname: value,
-      }).then(res => {
-        ui.alert(res.error ?
-          'Error updating agent identifier' :
-          'Agent identifier updated'
-        );
-        if (!res.error) {
-          agent.value.agentname = value;
-          backend.invalidateCache({agents: true});
-        }
+      }, {
+        cache: {agents: true},
+        alert: 'Agent identifier updated'
       });
+      if (!res.error) agent.value.agentname = value;
     } else {
       ui.alert("Cancelled identifier update");
     }
   }
 
-  function updateName() {
+  async function updateName() {
     const value = prompt(`Enter a new name for ${agent.value.name}`);
     if (value) {
-      backend.sendAction("update-agent", {
+      let res = await backend.sendAction("update-agent", {
         agentname: agent.value.agentname,
         name: value,
-      }).then(res => {
-        ui.alert(res.error ?
-          'Error updating agent name' :
-          'Agent name updated'
-        );
-        if (!res.error) {
-          agent.value.name = value;
-          backend.invalidateCache({agents: true});
-        }
+      }, {
+        alert: 'Agent name updated',
+        cache: {agents: true},
       });
+      if (!res.error) agent.value.name = value;
     } else {
       ui.alert("Cancelled name update");
     }
@@ -215,19 +205,13 @@
       }
     }
 
-    let res = await backend.sendAction("update-agent", {
+    await backend.act("update-agent", {
       agentname: agent.value.agentname,
       data: dataObject,
+    }, {
+      alert: 'Agent updated',
+      cache: {agents: true},
     });
-
-    ui.alert(res.error ?
-      'Error updating agent' :
-      'Agent updated'
-    );
-
-    if (!res.error) {
-      backend.invalidateCache({agents: true});
-    }
   }
 
   async function saveAddingTool() {
@@ -292,8 +276,8 @@
         <span class="label">Enable Instruction/Input</span>
         <input type="checkbox" v-model="promptInstructionEnabled" />
       </div>
-      <textarea v-if="promptInstructionEnabled" v-model="promptInstruction" class="config-input" @keydown="promptKeyDown($event, 1)" />
-      <textarea v-model="promptInput" class="config-input" ref="promptInputElem" @keydown="promptKeyDown($event, 2)" />
+      <textarea v-if="promptInstructionEnabled" v-model="promptInstruction" class="config-input" @keydown.ctrl.enter.prevent="promptInputElem.focus" />
+      <textarea v-model="promptInput" class="config-input" ref="promptInputElem" @keydown.ctrl.enter.prevent="sendPrompt" />
       <div>
         <button @click="sendPrompt()">Send Prompt</button>
       </div>
diff --git a/frontend/src/views/AgentCreate.vue b/frontend/src/views/AgentCreate.vue
index ff3d4ed..00bcf2a 100644
--- a/frontend/src/views/AgentCreate.vue
+++ b/frontend/src/views/AgentCreate.vue
@@ -39,14 +39,13 @@
       payload.temporary = true;
     }
 
-    let response = await backend.sendAction("create-agent", payload);
+    let response = await backend.act("create-agent", payload, {
+      alert: `Created Agent "${payload.name}"`,
+      cache: {agents: true},
+    });
 
-    if (response.error) {
-      ui.alert(`Could not create agent\n${response.error}`);
-    } else {
-      ui.alert(`Created Agent "${payload.name}"`);
+    if (!response.error) {
       backend.invalidateCache({agents: true});
-      ui.goto(`/agent/${payload.agentname}`);
     }
   }
 
diff --git a/frontend/src/views/Chat.vue b/frontend/src/views/Chat.vue
index 17421b5..7269ae7 100644
--- a/frontend/src/views/Chat.vue
+++ b/frontend/src/views/Chat.vue
@@ -26,7 +26,9 @@
   } = session;
 
   // UI state coupled to the document itself
-  const expandedLogs = ref({}); // Message ids of logs currently expanded
+
+  // Message ids of logs currently expanded
+  const expandedLogs = ui.useToggleSet();
   const inputFieldElem = ref(null);
   const chatContainerElem = ref(null);
 
@@ -109,10 +111,6 @@
 
   // === UI Helper Functions === //
 
-  function toggleLogExpand (message) {
-    expandedLogs.value[message.id] = !expandedLogs.value[message.id];
-  }
-
   async function chatEntryContextMenu (message, logMeta) {
     let entries = [
       {value: 'pin', title: "Pin message"},
@@ -143,7 +141,7 @@
         break;
       }
       case 'toggle-log': {
-        toggleLogExpand(message);
+        expandedLogs.toggle(message.id);
         break;
       }
       case 'delete': {
@@ -178,13 +176,6 @@
     });
   }
 
-  function inputKeyDown (event) {
-    if (event.key == "Enter" && event.ctrlKey) {
-      event.preventDefault();
-      sendMessage();
-    }
-  }
-
 </script>
 
 <template>
@@ -203,10 +194,10 @@
         :key="msg.id ?? ('thread-' + msg.threadId)" 
         :message="msg" 
         @open-menu="chatEntryContextMenu"
-        @open-thread="session.activateThread"
+        @open-thread="session.activateThread($event)"
 
-        :log-expanded="expandedLogs[msg.id]"
-        @toggle-log="toggleLogExpand(msg)"
+        :log-expanded="expandedLogs.has(msg.id)"
+        @toggle-log="expandedLogs.toggle(msg.id)"
 
         :cancellable="messageRunMap[msg.id]"
         @cancel="session.cancelMessageRun(msg.id)"
@@ -218,7 +209,7 @@
         {{editInfo}}
       </div>
 
-      <div class="input-field" ref="inputFieldElem" @keydown="inputKeyDown($event)" contenteditable></div>
+      <div class="input-field" ref="inputFieldElem" @keydown.ctrl.enter.prevent="sendMessage" contenteditable></div>
 
       <div class="input-row">
         <button @click="session.startNewThread()">
diff --git a/frontend/src/views/ChatCreate.vue b/frontend/src/views/ChatCreate.vue
index ba18433..d92b358 100644
--- a/frontend/src/views/ChatCreate.vue
+++ b/frontend/src/views/ChatCreate.vue
@@ -25,13 +25,14 @@
       payload.temporary = true;
     }
 
-    let response = await backend.sendAction("create-chat", payload);
+    let response = await backend.act("create-chat", payload, {
+      alert: `Created Chat "${title.value}"`,
+      cache: {chats: true},
+    });
 
     if (response.error) {
       ui.alert(`Could not create chat\n${response.error}`);
     } else {
-      ui.alert(`Created Chat "${title.value}"`);
-      backend.invalidateCache({chats: true});
       ui.goto(`/chat/${response.chatId}`);
     }
   }
diff --git a/frontend/src/views/Models.vue b/frontend/src/views/Models.vue
index 8cad962..5fee93d 100644
--- a/frontend/src/views/Models.vue
+++ b/frontend/src/views/Models.vue
@@ -10,7 +10,7 @@
   import * as ui from '../ui';
 
   const models = ref([]);
-  const expandedModelId = ref(new Set());
+  const expandedModelId = ui.useToggleSet();
   const createExpanded = ref(false);
   const newKeyValue = ref(false);
 
@@ -22,14 +22,6 @@
     models.value = res.models.map(entry => ({editing: {}, ...entry}));
   });
 
-  const toggleModel = (id) => {
-    if (expandedModelId.value.has(id)) {
-      expandedModelId.value.delete(id);
-    } else {
-      expandedModelId.value.add(id);
-    }
-  };
-
   async function createModel () {
     let current = Object.assign({editing: {}}, editModel.value);
 
@@ -114,7 +106,7 @@
     </div>
 
     <div v-else v-for="model in models" :key="model.id" class="model-entry">
-      <div class="model-header" @click="toggleModel(model.id)">
+      <div class="model-header" @click="expandedModelId.toggle(model.id)">
         <span class="model-name">{{ model.name }}</span>
         <span class="model-kind">{{ model.kind }}</span>
         <div class="model-actions">
diff --git a/frontend/src/views/Remotes.vue b/frontend/src/views/Remotes.vue
index 665a39c..0ce38e5 100644
--- a/frontend/src/views/Remotes.vue
+++ b/frontend/src/views/Remotes.vue
@@ -108,10 +108,10 @@ import * as ui from '../ui';
 const upstreamRemotes = ref([]);
 
 /** Expanded remote rows, keyed by row key; several can be open at once */
-const expandedRemotes = ref(new Set());
+const expandedRemotes = ui.useToggleSet();
 
 /** Expanded function rows, keyed by `<rowKey>|<fnKey>` */
-const expandedFns = ref(new Set());
+const expandedFns = ui.useToggleSet();
 
 /** Per-function call state, keyed like expandedFns */
 const callStates = reactive({});
@@ -222,27 +222,10 @@ function functionsOf(row) {
   }));
 }
 
-// ---- Expansion ----
-
-function toggleRemote(key) {
-  const set = new Set(expandedRemotes.value);
-  if (set.has(key)) set.delete(key); else set.add(key);
-  expandedRemotes.value = set;
-}
-
+// Function key, used in expandedFns
 function fnKey(row, fn) {
-  return fn.id != null ? `l${fn.id}` : `u${fn.name}`;
-}
-
-function fnStateKey(row, fn) {
-  return `${row.key}|${fnKey(row, fn)}`;
-}
-
-function toggleFn(row, fn) {
-  const key = fnStateKey(row, fn);
-  const set = new Set(expandedFns.value);
-  if (set.has(key)) set.delete(key); else set.add(key);
-  expandedFns.value = set;
+  let fkey = fn.id != null ? `l${fn.id}` : `u${fn.name}`;
+  return `${row.key}|${fkey}`;
 }
 
 // ---- Calling ----
@@ -276,7 +259,7 @@ function defaultArgs(fn) {
 }
 
 function callStateFor(row, fn) {
-  const key = fnStateKey(row, fn);
+  const key = fnKey(row, fn);
   if (!callStates[key]) {
     callStates[key] = { args: defaultArgs(fn), result: null, error: '', busy: false };
   }
@@ -413,7 +396,7 @@ function removeArgument(fn, argIdx) {
         <template v-for="row in remoteRows" :key="rowKey(row)">
           <!-- Remote row -->
           <div class="rt-row rt-remote" :class="{ open: expandedRemotes.has(row.key) }">
-            <div class="col-arrow toggle" @click="toggleRemote(row.key)">
+            <div class="col-arrow toggle" @click="expandedRemotes.toggle(row.key)">
               {{ expandedRemotes.has(row.key) ? '▼' : '▶' }}
             </div>
             <div class="col-name">
@@ -464,8 +447,8 @@ function removeArgument(fn, argIdx) {
             <template v-for="fn in functionsOf(row)" :key="fnKey(row, fn)">
               <!-- Function row -->
               <div class="rt-row rt-fn">
-                <div class="col-arrow toggle" @click="toggleFn(row, fn)">
-                  {{ expandedFns.has(fnStateKey(row, fn)) ? '▼' : '▶' }}
+                <div class="col-arrow toggle" @click="expandedFns.toggle(fnKey(row, fn))">
+                  {{ expandedFns.has(fnKey(row, fn)) ? '▼' : '▶' }}
                 </div>
                 <div class="col-name">
                   <input
@@ -499,7 +482,7 @@ function removeArgument(fn, argIdx) {
               </div>
 
               <!-- Expanded function detail: left = arguments, right = output/body -->
-              <div v-if="expandedFns.has(fnStateKey(row, fn))" class="rt-row rt-fndetail">
+              <div v-if="expandedFns.has(fnKey(row, fn))" class="rt-row rt-fndetail">
                 <div class="col-arrow"></div>
                 <div class="detail">
                   <!-- Callable mode (connected remotes) -->