Add last_used option for pipeline and explicit default

src/components/ha-assist-pipeline-picker.ts

@@ -16,7 +16,8 @@ import "./ha-list-item";
 import "./ha-select";
 import type { HaSelect } from "./ha-select";
 
-const PREFERRED = "__PREFERRED_PIPELINE_OPTION__";
+const PREFERRED = "preferred";
+const LAST_USED = "last_used";
 
 @customElement("ha-assist-pipeline-picker")
 export class HaAssistPipelinePicker extends LitElement {
@@ -30,15 +31,21 @@ export class HaAssistPipelinePicker extends LitElement {
 
   @property({ type: Boolean }) public required = false;
 
+  @property() public includeLastUsed = false;
+
   @state() _pipelines?: AssistPipeline[];
 
   @state() _preferredPipeline: string | null = null;
 
+  private get _default() {
+    return this.includeLastUsed ? LAST_USED : PREFERRED;
+  }
+
   protected render() {
     if (!this._pipelines) {
       return nothing;
     }
-    const value = this.value ?? PREFERRED;
+    const value = this.value ?? this._default;
     return html`
       <ha-select
         .label=${this.label ||
@@ -51,6 +58,15 @@ export class HaAssistPipelinePicker extends LitElement {
         fixedMenuPosition
         naturalMenuWidth
       >
+        ${this.includeLastUsed
+          ? html`
+              <ha-list-item .value=${LAST_USED}>
+                ${this.hass!.localize(
+                  "ui.components.pipeline-picker.last_used"
+                )}
+              </ha-list-item>
+            `
+          : null}
         <ha-list-item .value=${PREFERRED}>
           ${this.hass!.localize("ui.components.pipeline-picker.preferred", {
             preferred: this._pipelines.find(
@@ -93,11 +109,11 @@ export class HaAssistPipelinePicker extends LitElement {
       !this.hass ||
       target.value === "" ||
       target.value === this.value ||
-      (this.value === undefined && target.value === PREFERRED)
+      (this.value === undefined && target.value === this._default)
     ) {
       return;
     }
-    this.value = target.value === PREFERRED ? undefined : target.value;
+    this.value = target.value === this._default ? undefined : target.value;
     fireEvent(this, "value-changed", { value: this.value });
   }
 }

src/components/ha-selector/ha-selector-assist-pipeline.ts

@@ -21,14 +21,19 @@ export class HaAssistPipelineSelector extends LitElement {
   @property({ type: Boolean }) public required = true;
 
   protected render() {
-    return html`<ha-assist-pipeline-picker
-      .hass=${this.hass}
-      .value=${this.value}
-      .label=${this.label}
-      .helper=${this.helper}
-      .disabled=${this.disabled}
-      .required=${this.required}
-    ></ha-assist-pipeline-picker>`;
+    return html`
+      <ha-assist-pipeline-picker
+        .hass=${this.hass}
+        .value=${this.value}
+        .label=${this.label}
+        .helper=${this.helper}
+        .disabled=${this.disabled}
+        .required=${this.required}
+        .includeLastUsed=${Boolean(
+          this.selector.assist_pipeline?.include_last_used
+        )}
+      ></ha-assist-pipeline-picker>
+    `;
   }
 
   static styles = css`

src/data/selector.ts

@@ -278,7 +278,9 @@ export interface ObjectSelector {
 
 export interface AssistPipelineSelector {
   // eslint-disable-next-line @typescript-eslint/ban-types
-  assist_pipeline: {} | null;
+  assist_pipeline: {
+    include_last_used?: boolean;
+  } | null;
 }
 
 export interface SelectOption {

src/dialogs/voice-command-dialog/ha-voice-command-dialog.ts

@@ -87,9 +87,16 @@ export class HaVoiceCommandDialog extends LitElement {
 
   private _pipelinePromise?: Promise<AssistPipeline>;
 
-  public async showDialog(params?: VoiceCommandDialogParams): Promise<void> {
-    if (params?.pipeline_id) {
-      this._pipelineId = params?.pipeline_id;
+  public async showDialog(
+    params: Required<VoiceCommandDialogParams>
+  ): Promise<void> {
+    if (params.pipeline_id === "last_used") {
+      // Do not set pipeline id (retrieve from storage)
+    } else if (params.pipeline_id === "preferred") {
+      await this._loadPipelines();
+      this._pipelineId = this._preferredPipeline;
+    } else {
+      this._pipelineId = params.pipeline_id;
     }
 
     this._conversation = [
@@ -103,7 +110,11 @@ export class HaVoiceCommandDialog extends LitElement {
     this._scrollMessagesBottom();
 
     await this._pipelinePromise;
-    if (params?.start_listening && this._pipeline?.stt_engine) {
+    if (
+      params?.start_listening &&
+      this._pipeline?.stt_engine &&
+      AudioRecorder.isSupported
+    ) {
       this._toggleListening();
     }
   }

src/dialogs/voice-command-dialog/show-ha-voice-command-dialog.ts

@@ -4,28 +4,33 @@ import { HomeAssistant } from "../../types";
 const loadVoiceCommandDialog = () => import("./ha-voice-command-dialog");
 
 export interface VoiceCommandDialogParams {
-  pipeline_id?: string;
+  pipeline_id: "last_used" | "preferred" | string;
   start_listening?: boolean;
 }
 
 export const showVoiceCommandDialog = (
   element: HTMLElement,
   hass: HomeAssistant,
-  dialogParams?: VoiceCommandDialogParams
+  dialogParams: VoiceCommandDialogParams
 ): void => {
   if (hass.auth.external?.config.hasAssist) {
     hass.auth.external!.fireMessage({
       type: "assist/show",
       payload: {
-        pipeline_id: dialogParams?.pipeline_id,
-        start_listening: dialogParams?.start_listening,
+        pipeline_id: dialogParams.pipeline_id,
+        // Start listening by default for app
+        start_listening: dialogParams.start_listening ?? true,
       },
     });
     return;
   }
   fireEvent(element, "show-dialog", {
     dialogTag: "ha-voice-command-dialog",
     dialogImport: loadVoiceCommandDialog,
-    dialogParams,
+    dialogParams: {
+      pipeline_id: dialogParams.pipeline_id,
+      // Don't start listening by default for web
+      start_listening: dialogParams.start_listening ?? false,
+    },
   });
 };

src/external_app/external_messaging.ts

@@ -98,8 +98,8 @@ interface EMOutgoingMessageSidebarShow extends EMMessage {
 interface EMOutgoingMessageAssistShow extends EMMessage {
   type: "assist/show";
   payload?: {
-    pipeline_id?: string;
-    start_listening?: boolean;
+    pipeline_id: "preferred" | "last_used" | string;
+    start_listening: boolean;
   };
 }
 

src/panels/lovelace/common/handle-action.ts

@@ -164,8 +164,8 @@ export const handleAction = async (
     }
     case "assist": {
       showVoiceCommandDialog(node, hass, {
-        start_listening: actionConfig.start_listening,
-        pipeline_id: actionConfig.pipeline_id,
+        start_listening: actionConfig.start_listening ?? false,
+        pipeline_id: actionConfig.pipeline_id ?? "last_used",
       });
       break;
     }

src/panels/lovelace/components/hui-action-editor.ts

@@ -38,7 +38,9 @@ const ASSIST_SCHEMA = [
       {
         name: "pipeline_id",
         selector: {
-          assist_pipeline: {},
+          assist_pipeline: {
+            include_last_used: true,
+          },
         },
       },
       {

src/panels/lovelace/hui-root.ts

@@ -567,7 +567,7 @@ class HUIRoot extends LitElement {
     if (searchParams.edit === "1") {
       this.lovelace!.setEditMode(true);
     } else if (searchParams.conversation === "1") {
-      showVoiceCommandDialog(this, this.hass);
+      this._showVoiceCommandDialog();
       window.history.replaceState(
         null,
         "",
@@ -793,7 +793,7 @@ class HUIRoot extends LitElement {
   }
 
   private _showVoiceCommandDialog(): void {
-    showVoiceCommandDialog(this, this.hass);
+    showVoiceCommandDialog(this, this.hass, { pipeline_id: "last_used" });
   }
 
   private _handleEnableEditMode(ev: CustomEvent<RequestSelectedDetail>): void {

src/panels/shopping-list/ha-panel-shopping-list.ts

@@ -76,7 +76,7 @@ class PanelShoppingList extends LitElement {
   }
 
   private _showVoiceCommandDialog(): void {
-    showVoiceCommandDialog(this, this.hass);
+    showVoiceCommandDialog(this, this.hass, { pipeline_id: "last_used" });
   }
 
   static get styles(): CSSResultGroup {

src/translations/en.json

@@ -398,7 +398,8 @@
       },
       "pipeline-picker": {
         "pipeline": "Assistant",
-        "preferred": "Preferred assistant ({preferred})"
+        "preferred": "Preferred assistant ({preferred})",
+        "last_used": "Last used assistant"
       },
       "theme-picker": {
         "theme": "Theme",