diff --git a/src/lib/common/spinners/Loader.svelte b/src/lib/common/spinners/Loader.svelte
index a69eff53..ea3b6c19 100644
--- a/src/lib/common/spinners/Loader.svelte
+++ b/src/lib/common/spinners/Loader.svelte
@@ -55,8 +55,7 @@
 <style>
     /* Viewport-fixed frosted overlay that flex-centers the spinner so the
        loader always sits in the middle of the main content area, regardless
-       of any positioned ancestor. The left edge tracks the vertical menu's
-       width so the sidebar stays uncovered */
+       of any positioned ancestor. By default it covers the whole viewport. */
     .loader {
         position: fixed;
         inset: 0;
@@ -75,12 +74,16 @@
         background-color: rgb(17 24 39 / 0.55);
     }
 
+    /* Only the vertical layout renders a fixed sidebar, and there the left edge
+       tracks its width so the menu stays uncovered. Standalone routes such as
+       /chat/[agentId]/[conversationId] have no menu, so the overlay must span the
+       full viewport there instead of leaving a dead strip on the left. */
     @media (min-width: 1024px) {
-        .loader {
+        :global(body:has(.vertical-menu)) .loader {
             left: var(--sidebar-width);
         }
 
-        :global(body.vertical-collpsed) .loader {
+        :global(body.vertical-collpsed:has(.vertical-menu)) .loader {
             left: var(--sidebar-collapsed-width);
         }
     }
diff --git a/src/lib/helpers/enums.js b/src/lib/helpers/enums.js
index fef2a980..63d242bf 100644
--- a/src/lib/helpers/enums.js
+++ b/src/lib/helpers/enums.js
@@ -228,7 +228,8 @@ const llmModelType = {
     Embedding: "Embedding",
     Audio: "Audio",
     Realtime: "Realtime",
-    Web: "Web"
+    Web: "Web",
+    Live: "Live"
 };
 export const LlmModelType = Object.freeze(llmModelType);
 
@@ -246,7 +247,8 @@ const llmModelCapability = {
     AudioGeneration: "AudioGeneration",
     Realtime: "Realtime",
     WebSearch: "WebSearch",
-    PdfReading: "PdfReading"
+    PdfReading: "PdfReading",
+    Live: "Live"
 };
 export const LlmModelCapability = Object.freeze(llmModelCapability);
 
diff --git a/src/lib/helpers/types/agentTypes.js b/src/lib/helpers/types/agentTypes.js
index b0fb251e..3d637c62 100644
--- a/src/lib/helpers/types/agentTypes.js
+++ b/src/lib/helpers/types/agentTypes.js
@@ -21,8 +21,8 @@
  * @property {string?} [reasoning_effort_level]
  * @property {string?} [response_format]
  * @property {any} [image_composition]
- * @property {any} [audio_transcription]
  * @property {any} [realtime]
+ * @property {any} [live]
  */
 
 /**
diff --git a/src/lib/services/realtime-chat-service.js b/src/lib/services/realtime-chat-service.js
index 72efedb9..4cd3c1f7 100644
--- a/src/lib/services/realtime-chat-service.js
+++ b/src/lib/services/realtime-chat-service.js
@@ -1,5 +1,6 @@
 import { PUBLIC_SERVICE_URL } from "$env/static/public";
 import { buildConversationUserStates } from "$lib/helpers/conversation";
+import { getUserStore } from "$lib/helpers/store";
 import { AudioRecordingWorklet } from "$lib/helpers/realtime/pcmProcessor";
 
 // @ts-ignore
@@ -37,7 +38,7 @@ export const realtimeChat = {
     start(agentId, conversationId) {
         reset();
         const wsUrl = buildWebsocketUrl();
-        socket = new WebSocket(`${wsUrl}/chat/stream/${agentId}/${conversationId}`);
+        socket = new WebSocket(`${wsUrl}/chat/stream/${agentId}/${conversationId}${buildUserQuery()}`);
       
         socket.onopen = async () => {
             console.log("WebSocket connected");
@@ -131,6 +132,21 @@ export const realtimeChat = {
 };
 
 
+/**
+ * Identifies the signed-in user on the handshake.
+ *
+ * A browser cannot set headers on a WebSocket, so no bearer token reaches /chat/stream and the
+ * server would otherwise see nobody for the whole conversation. It goes in the query string
+ * rather than as a path segment because the server reads agentId and conversationId from the END
+ * of the path, so an extra segment would shift both.
+ *
+ * @returns {string}
+ */
+function buildUserQuery() {
+    const user = getUserStore();
+    return user?.id ? `?user-id=${encodeURIComponent(user.id)}` : '';
+}
+
 function buildWebsocketUrl() {
     let url = '';
     const host = PUBLIC_SERVICE_URL.split('://');
diff --git a/src/routes/page/agent/[agentId]/agent-components/agent-llm-config.svelte b/src/routes/page/agent/[agentId]/agent-components/agent-llm-config.svelte
index 21c95a3e..c5b7101a 100644
--- a/src/routes/page/agent/[agentId]/agent-components/agent-llm-config.svelte
+++ b/src/routes/page/agent/[agentId]/agent-components/agent-llm-config.svelte
@@ -20,12 +20,12 @@
     export function fetchLlmConfig() {
         const chatConfig = chatConfigCmp?.fetchConfig();
         const imageCompositionConfig = imageCompositionConfigCmp?.fetchConfig();
-        const audioTranscriptionConfig = audioTranscriptionConfigCmp?.fetchConfig();
+        const liveConfig = liveConfigCmp?.fetchConfig();
         const realtimeConfig = realtimeConfigCmp?.fetchConfig();
         return {
             ...chatConfig,
             image_composition: imageCompositionConfig ? {...imageCompositionConfig} : null,
-            audio_transcription: audioTranscriptionConfig ? {...audioTranscriptionConfig} : null,
+            live: liveConfig ? {...liveConfig} : null,
             realtime: realtimeConfig ? {...realtimeConfig} : null
         };
     }
@@ -35,7 +35,7 @@
     /** @type {any} */
     let imageCompositionConfigCmp = $state(null);
     /** @type {any} */
-    let audioTranscriptionConfigCmp = $state(null);
+    let liveConfigCmp = $state(null);
     /** @type {any} */
     let realtimeConfigCmp = $state(null);
 
@@ -71,12 +71,12 @@
                 {handleAgentChange}
             />
             <LlmBasicConfig
-                title="Audio Transcription"
-                bind:this={audioTranscriptionConfigCmp}
+                title="Live"
+                bind:this={liveConfigCmp}
                 llmConfigOptions={llmConfigs}
-                llmConfig={agent.llm_config?.audio_transcription}
-                modelType={LlmModelType.Audio}
-                modelCapability={LlmModelCapability.AudioTranscription}
+                llmConfig={agent.llm_config?.live}
+                modelType={LlmModelType.Live}
+                modelCapability={LlmModelCapability.Live}
                 {handleAgentChange}
             />
             <RealtimeConfig