Add configurable send behavior

packages/app/src/components/agent-input-area.tsx

@@ -48,6 +48,7 @@ import { useKeyboardShiftStyle } from "@/hooks/use-keyboard-shift-style";
 import { useKeyboardActionHandler } from "@/hooks/use-keyboard-action-handler";
 import type { KeyboardActionDefinition } from "@/keyboard/keyboard-action-dispatcher";
 import { submitAgentInput } from "@/components/agent-input-submit";
+import { useAppSettings } from "@/hooks/use-settings";
 
 type QueuedMessage = {
   id: string;
@@ -131,6 +132,8 @@ export function AgentInputArea({
       agentDirectoryStatus === "revalidating" ||
       agentDirectoryStatus === "error_after_ready");
 
+  const { settings: appSettings } = useAppSettings();
+
   const agentState = useSessionStore(
     useShallow((state) => {
       const agent = state.sessions[serverId]?.agents?.get(agentId) ?? null;
@@ -742,6 +745,7 @@ export function AgentInputArea({
               voiceServerId={serverId}
               voiceAgentId={agentId}
               isAgentRunning={isAgentRunning}
+              defaultSendBehavior={appSettings.sendBehavior}
               onQueue={handleQueue}
               onSubmitLoadingPress={isAgentRunning ? handleCancelAgent : undefined}
               onKeyPress={handleCommandKeyPress}

packages/app/src/components/message-input.tsx

@@ -87,6 +87,9 @@ export interface MessageInputProps {
   voiceAgentId?: string;
   /** When true and there's sendable content, calls onQueue instead of onSubmit */
   isAgentRunning?: boolean;
+  /** Controls what the default send action (Enter, send button, dictation) does
+   *  when the agent is running. "interrupt" sends immediately, "queue" queues. */
+  defaultSendBehavior?: "interrupt" | "queue";
   /** Callback for queue button when agent is running */
   onQueue?: (payload: MessagePayload) => void;
   /** Optional handler used when submit button is in loading state. */
@@ -208,6 +211,7 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(funct
     voiceServerId,
     voiceAgentId,
     isAgentRunning = false,
+    defaultSendBehavior = "interrupt",
     onQueue,
     onSubmitLoadingPress,
     onKeyPress: onKeyPressCallback,
@@ -352,11 +356,17 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(funct
 
       if (shouldAutoSend) {
         const imageAttachments = images.length > 0 ? images : undefined;
-        onSubmit({
-          text: nextValue,
-          images: imageAttachments,
-          forceSend: isAgentRunning || undefined,
-        });
+        // Respect send behavior setting: when "queue", dictation queues too.
+        if (defaultSendBehavior === "queue" && isAgentRunning && onQueue) {
+          onQueue({ text: nextValue, images: imageAttachments });
+          onChangeText("");
+        } else {
+          onSubmit({
+            text: nextValue,
+            images: imageAttachments,
+            forceSend: isAgentRunning || undefined,
+          });
+        }
       } else {
         onChangeText(nextValue);
       }
@@ -367,7 +377,7 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(funct
         });
       }
     },
-    [onChangeText, onSubmit, images, isAgentRunning],
+    [onChangeText, onSubmit, onQueue, images, isAgentRunning, defaultSendBehavior],
   );
 
   const handleDictationError = useCallback(
@@ -578,6 +588,26 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(funct
     onHeightChange?.(MIN_INPUT_HEIGHT);
   }, [value, images, onQueue, onChangeText, onHeightChange]);
 
+  // Default send action: respects the sendBehavior setting.
+  // When "interrupt" (default), primary action sends immediately (interrupts).
+  // When "queue", primary action queues when agent is running.
+  const handleDefaultSendAction = useCallback(() => {
+    if (defaultSendBehavior === "queue" && isAgentRunning && onQueue) {
+      handleQueueMessage();
+    } else {
+      handleSendMessage();
+    }
+  }, [defaultSendBehavior, isAgentRunning, onQueue, handleQueueMessage, handleSendMessage]);
+
+  // Alternate send action: always the opposite of the default.
+  const handleAlternateSendAction = useCallback(() => {
+    if (defaultSendBehavior === "queue") {
+      handleSendMessage(); // interrupt
+    } else if (onQueue) {
+      handleQueueMessage(); // queue
+    }
+  }, [defaultSendBehavior, handleSendMessage, handleQueueMessage, onQueue]);
+
   // Web input height measurement
   function isTextAreaLike(v: unknown): v is TextAreaHandle {
     return typeof v === "object" && v !== null && "scrollHeight" in v;
@@ -872,18 +902,18 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(funct
     // Shift+Enter: add newline (default behavior, don't intercept)
     if (shiftKey) return;
 
-    // Cmd+Enter (Mac) or Ctrl+Enter (Windows/Linux): queue when agent is running
+    // Cmd+Enter (Mac) or Ctrl+Enter (Windows/Linux): alternate action
     if ((metaKey || ctrlKey) && isAgentRunning && onQueue) {
       if (isSubmitDisabled || isSubmitLoading || disabled) return;
       event.preventDefault();
-      handleQueueMessage();
+      handleAlternateSendAction();
       return;
     }
 
-    // Enter: send (interrupts agent if running)
+    // Enter: default send action (interrupt or queue, based on setting)
     if (isSubmitDisabled || isSubmitLoading || disabled) return;
     event.preventDefault();
-    handleSendMessage();
+    handleDefaultSendAction();
   }
 
   const hasImages = images.length > 0;
@@ -892,11 +922,14 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(funct
   const canPressLoadingButton = isSubmitLoading && typeof onSubmitLoadingPress === "function";
   const isSendButtonDisabled =
     disabled || (!canPressLoadingButton && (isSubmitDisabled || isSubmitLoading));
+  const defaultActionQueues = defaultSendBehavior === "queue" && isAgentRunning;
   const submitAccessibilityLabel = canPressLoadingButton
     ? "Interrupt agent"
-    : isAgentRunning
-      ? "Send and interrupt"
-      : "Send message";
+    : defaultActionQueues
+      ? "Queue message"
+      : isAgentRunning
+        ? "Send and interrupt"
+        : "Send message";
 
   const handleInputChange = useCallback(
     (nextValue: string) => {
@@ -1071,10 +1104,10 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(funct
               </TooltipContent>
             </Tooltip>
             {rightContent}
-            {hasSendableContent && isAgentRunning && onQueue && (
+            {hasSendableContent && isAgentRunning && onQueue && !defaultActionQueues && (
               <Tooltip delayDuration={0} enabledOnDesktop enabledOnMobile={false}>
                 <TooltipTrigger
-                  onPress={handleQueueMessage}
+                  onPress={handleAlternateSendAction}
                   disabled={!isConnected || disabled}
                   accessibilityLabel="Queue message"
                   accessibilityRole="button"
@@ -1099,7 +1132,7 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(funct
             {shouldShowSendButton && (
               <Tooltip delayDuration={0} enabledOnDesktop enabledOnMobile={false}>
                 <TooltipTrigger
-                  onPress={canPressLoadingButton ? onSubmitLoadingPress : handleSendMessage}
+                  onPress={canPressLoadingButton ? onSubmitLoadingPress : handleDefaultSendAction}
                   disabled={isSendButtonDisabled}
                   accessibilityLabel={submitAccessibilityLabel}
                   accessibilityRole="button"
@@ -1113,7 +1146,7 @@ export const MessageInput = forwardRef<MessageInputRef, MessageInputProps>(funct
                 </TooltipTrigger>
                 <TooltipContent side="top" align="center" offset={8}>
                   <View style={styles.tooltipRow}>
-                    <Text style={styles.tooltipText}>Send</Text>
+                    <Text style={styles.tooltipText}>{defaultActionQueues ? "Queue" : "Send"}</Text>
                     {sendKeys ? <Shortcut chord={sendKeys} style={styles.tooltipShortcut} /> : null}
                   </View>
                 </TooltipContent>

packages/app/src/hooks/use-settings.ts

@@ -6,14 +6,18 @@ export const APP_SETTINGS_KEY = "@paseo:app-settings";
 const LEGACY_SETTINGS_KEY = "@paseo:settings";
 const APP_SETTINGS_QUERY_KEY = ["app-settings"];
 
+export type SendBehavior = "interrupt" | "queue";
+
 export interface AppSettings {
   theme: "dark" | "light" | "auto";
   manageBuiltInDaemon: boolean;
+  sendBehavior: SendBehavior;
 }
 
 export const DEFAULT_APP_SETTINGS: AppSettings = {
   theme: "auto",
   manageBuiltInDaemon: true,
+  sendBehavior: "interrupt",
 };
 
 export interface UseAppSettingsReturn {

packages/app/src/screens/settings-screen.tsx

@@ -15,7 +15,6 @@ import {
   RotateCw,
   Trash2,
   Server,
-  Palette,
   Keyboard,
   Stethoscope,
   Info,
@@ -24,7 +23,7 @@ import {
   Blocks,
   Smartphone,
 } from "lucide-react-native";
-import { useAppSettings, type AppSettings } from "@/hooks/use-settings";
+import { useAppSettings, type AppSettings, type SendBehavior } from "@/hooks/use-settings";
 import type { HostProfile, HostConnection } from "@/types/host-connection";
 import { useHosts, useHostMutations } from "@/runtime/host-runtime";
 import { formatConnectionStatus, getConnectionStatusTone } from "@/utils/daemons";
@@ -77,7 +76,7 @@ import { StatusBadge } from "@/components/ui/status-badge";
 
 type SettingsSectionId =
   | "hosts"
-  | "appearance"
+  | "general"
   | "shortcuts"
   | "integrations"
   | "providers"
@@ -96,7 +95,7 @@ interface SettingsSectionDef {
 function getSettingsSections(context: { isDesktopApp: boolean }): SettingsSectionDef[] {
   const sections: SettingsSectionDef[] = [
     { id: "hosts", label: "Hosts", icon: Server },
-    { id: "appearance", label: "Appearance", icon: Palette },
+    { id: "general", label: "General", icon: Settings },
     { id: "shortcuts", label: "Shortcuts", icon: Keyboard },
     { id: "permissions", label: "Permissions", icon: Shield },
   ];
@@ -386,15 +385,20 @@ function HostsSection(props: HostsSectionProps) {
   );
 }
 
-interface AppearanceSectionProps {
+interface GeneralSectionProps {
   settings: AppSettings;
   handleThemeChange: (theme: AppSettings["theme"]) => void;
+  handleSendBehaviorChange: (behavior: SendBehavior) => void;
 }
 
-function AppearanceSection({ settings, handleThemeChange }: AppearanceSectionProps) {
+function GeneralSection({
+  settings,
+  handleThemeChange,
+  handleSendBehaviorChange,
+}: GeneralSectionProps) {
   return (
     <View style={settingsStyles.section}>
-      <Text style={settingsStyles.sectionTitle}>Appearance</Text>
+      <Text style={settingsStyles.sectionTitle}>General</Text>
       <View style={[settingsStyles.card, styles.audioCard]}>
         <View style={styles.audioRow}>
           <View style={styles.audioRowContent}>
@@ -424,6 +428,23 @@ function AppearanceSection({ settings, handleThemeChange }: AppearanceSectionPro
             ]}
           />
         </View>
+        <View style={styles.audioRow}>
+          <View style={styles.audioRowContent}>
+            <Text style={styles.audioRowTitle}>Default send</Text>
+            <Text style={styles.audioRowSubtitle}>
+              What happens when you press Enter while the agent is running
+            </Text>
+          </View>
+          <SegmentedControl
+            size="sm"
+            value={settings.sendBehavior}
+            onValueChange={handleSendBehaviorChange}
+            options={[
+              { value: "interrupt", label: "Interrupt" },
+              { value: "queue", label: "Queue" },
+            ]}
+          />
+        </View>
       </View>
     </View>
   );
@@ -614,7 +635,7 @@ function AboutSection({ appVersionText, isDesktopApp }: AboutSectionProps) {
 interface SettingsSectionContentProps {
   sectionId: SettingsSectionId;
   hostsProps: HostsSectionProps;
-  appearanceProps: AppearanceSectionProps;
+  generalProps: GeneralSectionProps;
   providersProps: ProvidersSectionProps;
   diagnosticsProps: DiagnosticsSectionProps;
   aboutProps: AboutSectionProps;
@@ -626,7 +647,7 @@ interface SettingsSectionContentProps {
 function SettingsSectionContent({
   sectionId,
   hostsProps,
-  appearanceProps,
+  generalProps,
   providersProps,
   diagnosticsProps,
   aboutProps,
@@ -637,8 +658,8 @@ function SettingsSectionContent({
   switch (sectionId) {
     case "hosts":
       return <HostsSection {...hostsProps} />;
-    case "appearance":
-      return <AppearanceSection {...appearanceProps} />;
+    case "general":
+      return <GeneralSection {...generalProps} />;
     case "shortcuts":
       return <KeyboardShortcutsSection />;
     case "providers":
@@ -1003,6 +1024,13 @@ export default function SettingsScreen() {
     [updateSettings],
   );
 
+  const handleSendBehaviorChange = useCallback(
+    (behavior: SendBehavior) => {
+      void updateSettings({ sendBehavior: behavior });
+    },
+    [updateSettings],
+  );
+
   const handlePlaybackTest = useCallback(async () => {
     if (!voiceAudioEngine || isPlaybackTestRunning) {
       return;
@@ -1069,9 +1097,10 @@ export default function SettingsScreen() {
     isMountedRef,
   };
 
-  const appearanceProps: AppearanceSectionProps = {
+  const generalProps: GeneralSectionProps = {
     settings,
     handleThemeChange,
+    handleSendBehaviorChange,
   };
 
   const diagnosticsProps: DiagnosticsSectionProps = {
@@ -1092,7 +1121,7 @@ export default function SettingsScreen() {
 
   const sectionContentProps: Omit<SettingsSectionContentProps, "sectionId"> = {
     hostsProps,
-    appearanceProps,
+    generalProps,
     providersProps,
     diagnosticsProps,
     aboutProps,
@@ -1901,6 +1930,11 @@ const styles = StyleSheet.create((theme) => ({
     color: theme.colors.foreground,
     fontSize: theme.fontSize.base,
   },
+  audioRowSubtitle: {
+    color: theme.colors.mutedForeground,
+    fontSize: theme.fontSize.sm,
+    marginTop: theme.spacing[1],
+  },
   providerActions: {
     flexDirection: "row",
     alignItems: "center",