Prepare Windows release and signing

# Conflicts:
#	package.json

# Conflicts:
#	.github/workflows/release.yml
#	README.md
#	package.json
#	plugin/subminer/lifecycle.lua
#	scripts/build-yomitan.mjs
#	src/core/services/overlay-window.ts
#	src/main.ts
#	src/main/overlay-shortcuts-runtime.ts
#	src/main/runtime/overlay-shortcuts-runtime-main-deps.test.ts
#	src/main/runtime/overlay-shortcuts-runtime-main-deps.ts
#	src/window-trackers/base-tracker.ts

src/main/runtime/windows-mpv-shortcuts.ts

@@ -0,0 +1,117 @@
+import fs from 'node:fs';
+import path from 'node:path';
+
+export const WINDOWS_MPV_SHORTCUT_NAME = 'SubMiner mpv.lnk';
+
+export interface WindowsMpvShortcutPaths {
+  startMenuPath: string;
+  desktopPath: string;
+}
+
+export interface WindowsShortcutLinkDetails {
+  target: string;
+  args?: string;
+  cwd?: string;
+  description?: string;
+  icon?: string;
+  iconIndex?: number;
+}
+
+export interface WindowsMpvShortcutInstallResult {
+  ok: boolean;
+  status: 'installed' | 'skipped' | 'failed';
+  message: string;
+}
+
+export function resolveWindowsStartMenuProgramsDir(appDataDir: string): string {
+  return path.join(appDataDir, 'Microsoft', 'Windows', 'Start Menu', 'Programs');
+}
+
+export function resolveWindowsMpvShortcutPaths(options: {
+  appDataDir: string;
+  desktopDir: string;
+}): WindowsMpvShortcutPaths {
+  return {
+    startMenuPath: path.join(resolveWindowsStartMenuProgramsDir(options.appDataDir), WINDOWS_MPV_SHORTCUT_NAME),
+    desktopPath: path.join(options.desktopDir, WINDOWS_MPV_SHORTCUT_NAME),
+  };
+}
+
+export function detectWindowsMpvShortcuts(
+  paths: WindowsMpvShortcutPaths,
+  existsSync: (candidate: string) => boolean = fs.existsSync,
+): { startMenuInstalled: boolean; desktopInstalled: boolean } {
+  return {
+    startMenuInstalled: existsSync(paths.startMenuPath),
+    desktopInstalled: existsSync(paths.desktopPath),
+  };
+}
+
+export function buildWindowsMpvShortcutDetails(exePath: string): WindowsShortcutLinkDetails {
+  return {
+    target: exePath,
+    args: '--launch-mpv',
+    cwd: path.dirname(exePath),
+    description: 'Launch mpv with the SubMiner profile',
+    icon: exePath,
+    iconIndex: 0,
+  };
+}
+
+export function applyWindowsMpvShortcuts(options: {
+  preferences: { startMenuEnabled: boolean; desktopEnabled: boolean };
+  paths: WindowsMpvShortcutPaths;
+  exePath: string;
+  writeShortcutLink: (
+    shortcutPath: string,
+    operation: 'create' | 'update' | 'replace',
+    details: WindowsShortcutLinkDetails,
+  ) => boolean;
+  rmSync?: (candidate: string, options: { force: true }) => void;
+  mkdirSync?: (candidate: string, options: { recursive: true }) => void;
+}): WindowsMpvShortcutInstallResult {
+  const rmSync = options.rmSync ?? fs.rmSync;
+  const mkdirSync = options.mkdirSync ?? fs.mkdirSync;
+  const details = buildWindowsMpvShortcutDetails(options.exePath);
+  const failures: string[] = [];
+
+  const ensureShortcut = (shortcutPath: string): void => {
+    mkdirSync(path.dirname(shortcutPath), { recursive: true });
+    const ok = options.writeShortcutLink(shortcutPath, 'create', details);
+    if (!ok) {
+      failures.push(shortcutPath);
+    }
+  };
+
+  const removeShortcut = (shortcutPath: string): void => {
+    rmSync(shortcutPath, { force: true });
+  };
+
+  if (options.preferences.startMenuEnabled) ensureShortcut(options.paths.startMenuPath);
+  else removeShortcut(options.paths.startMenuPath);
+
+  if (options.preferences.desktopEnabled) ensureShortcut(options.paths.desktopPath);
+  else removeShortcut(options.paths.desktopPath);
+
+  if (failures.length > 0) {
+    return {
+      ok: false,
+      status: 'failed',
+      message: `Failed to create Windows mpv shortcuts: ${failures.join(', ')}`,
+    };
+  }
+
+  if (!options.preferences.startMenuEnabled && !options.preferences.desktopEnabled) {
+    return {
+      ok: true,
+      status: 'skipped',
+      message: 'Disabled Windows mpv shortcuts.',
+    };
+  }
+
+  return {
+    ok: true,
+    status: 'installed',
+    message: 'Updated Windows mpv shortcuts.',
+  };
+}