feat(wails): add native file dialogs and video streaming

FileService exposes open/save dialogs for video, project JSON, and WAV
export. User-selected videos stream from disk at /localmedia/video with
range request support for seeking in the webview.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/bindings/github.com/wailsapp/wails/v3/internal/eventcreate.ts

@@ -0,0 +1,9 @@
+//@ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import { Create as $Create } from "@wailsio/runtime";
+
+Object.freeze($Create.Events);

frontend/bindings/github.com/wailsapp/wails/v3/internal/eventdata.d.ts

@@ -0,0 +1,2 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT

frontend/bindings/sfxkeeb/fileservice.ts

@@ -0,0 +1,36 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+/**
+ * FileService exposes native file dialogs and streams the current video.
+ * @module
+ */
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import { Call as $Call, CancellablePromise as $CancellablePromise, Create as $Create } from "@wailsio/runtime";
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import * as $models from "./models.js";
+
+export function OpenProject(): $CancellablePromise<string> {
+    return $Call.ByID(2194602340);
+}
+
+export function OpenVideo(): $CancellablePromise<$models.VideoResult> {
+    return $Call.ByID(392322154).then(($result: any) => {
+        return $$createType0($result);
+    });
+}
+
+export function SaveAudio(data: string, defaultName: string): $CancellablePromise<void> {
+    return $Call.ByID(1785178400, data, defaultName);
+}
+
+export function SaveProject(content: string, defaultName: string): $CancellablePromise<void> {
+    return $Call.ByID(2685219959, content, defaultName);
+}
+
+// Private type creation functions
+const $$createType0 = $models.VideoResult.createFrom;

frontend/bindings/sfxkeeb/index.ts

@@ -0,0 +1,11 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as FileService from "./fileservice.js";
+export {
+    FileService
+};
+
+export {
+    VideoResult
+} from "./models.js";

frontend/bindings/sfxkeeb/models.ts

@@ -0,0 +1,34 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import { Create as $Create } from "@wailsio/runtime";
+
+/**
+ * VideoResult is returned when the user opens a video file.
+ */
+export class VideoResult {
+    "url": string;
+    "name": string;
+
+    /** Creates a new VideoResult instance. */
+    constructor($$source: Partial<VideoResult> = {}) {
+        if (!("url" in $$source)) {
+            this["url"] = "";
+        }
+        if (!("name" in $$source)) {
+            this["name"] = "";
+        }
+
+        Object.assign(this, $$source);
+    }
+
+    /**
+     * Creates a new VideoResult instance from a string or object.
+     */
+    static createFrom($$source: any = {}): VideoResult {
+        let $$parsedSource = typeof $$source === 'string' ? JSON.parse($$source) : $$source;
+        return new VideoResult($$parsedSource as Partial<VideoResult>);
+    }
+}