Migrate app to Node Electron with modern React UI

src/shared/ipc.ts

@@ -0,0 +1,15 @@
+export const IPC_CHANNELS = {
+  GET_SNAPSHOT: "app:get-snapshot",
+  GET_VERSION: "app:get-version",
+  UPDATE_SETTINGS: "app:update-settings",
+  ADD_LINKS: "queue:add-links",
+  ADD_CONTAINERS: "queue:add-containers",
+  CLEAR_ALL: "queue:clear-all",
+  START: "queue:start",
+  STOP: "queue:stop",
+  TOGGLE_PAUSE: "queue:toggle-pause",
+  CANCEL_PACKAGE: "queue:cancel-package",
+  PICK_FOLDER: "dialog:pick-folder",
+  PICK_CONTAINERS: "dialog:pick-containers",
+  STATE_UPDATE: "state:update"
+} as const;

src/shared/preload-api.ts

@@ -0,0 +1,17 @@
+import type { AddLinksPayload, AppSettings, UiSnapshot } from "./types";
+
+export interface ElectronApi {
+  getSnapshot: () => Promise<UiSnapshot>;
+  getVersion: () => Promise<string>;
+  updateSettings: (settings: Partial<AppSettings>) => Promise<AppSettings>;
+  addLinks: (payload: AddLinksPayload) => Promise<{ addedPackages: number; addedLinks: number; invalidCount: number }>;
+  addContainers: (filePaths: string[]) => Promise<{ addedPackages: number; addedLinks: number }>;
+  clearAll: () => Promise<void>;
+  start: () => Promise<void>;
+  stop: () => Promise<void>;
+  togglePause: () => Promise<boolean>;
+  cancelPackage: (packageId: string) => Promise<void>;
+  pickFolder: () => Promise<string | null>;
+  pickContainers: () => Promise<string[]>;
+  onStateUpdate: (callback: (snapshot: UiSnapshot) => void) => () => void;
+}

src/shared/types.ts

@@ -0,0 +1,135 @@
+export type DownloadStatus =
+  | "queued"
+  | "validating"
+  | "downloading"
+  | "paused"
+  | "reconnect_wait"
+  | "extracting"
+  | "integrity_check"
+  | "completed"
+  | "failed"
+  | "cancelled";
+
+export type CleanupMode = "none" | "trash" | "delete";
+export type ConflictMode = "overwrite" | "skip" | "rename" | "ask";
+export type SpeedMode = "global" | "per_download";
+export type FinishedCleanupPolicy = "never" | "immediate" | "on_start" | "package_done";
+
+export interface AppSettings {
+  token: string;
+  rememberToken: boolean;
+  outputDir: string;
+  packageName: string;
+  autoExtract: boolean;
+  extractDir: string;
+  createExtractSubfolder: boolean;
+  hybridExtract: boolean;
+  cleanupMode: CleanupMode;
+  extractConflictMode: ConflictMode;
+  removeLinkFilesAfterExtract: boolean;
+  removeSamplesAfterExtract: boolean;
+  enableIntegrityCheck: boolean;
+  autoResumeOnStart: boolean;
+  autoReconnect: boolean;
+  reconnectWaitSeconds: number;
+  completedCleanupPolicy: FinishedCleanupPolicy;
+  maxParallel: number;
+  speedLimitEnabled: boolean;
+  speedLimitKbps: number;
+  speedLimitMode: SpeedMode;
+  updateRepo: string;
+  autoUpdateCheck: boolean;
+}
+
+export interface DownloadItem {
+  id: string;
+  packageId: string;
+  url: string;
+  status: DownloadStatus;
+  retries: number;
+  speedBps: number;
+  downloadedBytes: number;
+  totalBytes: number | null;
+  progressPercent: number;
+  fileName: string;
+  targetPath: string;
+  resumable: boolean;
+  attempts: number;
+  lastError: string;
+  fullStatus: string;
+  createdAt: number;
+  updatedAt: number;
+}
+
+export interface PackageEntry {
+  id: string;
+  name: string;
+  outputDir: string;
+  extractDir: string;
+  status: DownloadStatus;
+  itemIds: string[];
+  cancelled: boolean;
+  createdAt: number;
+  updatedAt: number;
+}
+
+export interface SessionState {
+  version: number;
+  packageOrder: string[];
+  packages: Record<string, PackageEntry>;
+  items: Record<string, DownloadItem>;
+  runStartedAt: number;
+  totalDownloadedBytes: number;
+  summaryText: string;
+  reconnectUntil: number;
+  reconnectReason: string;
+  paused: boolean;
+  running: boolean;
+  updatedAt: number;
+}
+
+export interface DownloadSummary {
+  total: number;
+  success: number;
+  failed: number;
+  cancelled: number;
+  extracted: number;
+  durationSeconds: number;
+  averageSpeedBps: number;
+}
+
+export interface ParsedPackageInput {
+  name: string;
+  links: string[];
+}
+
+export interface ContainerImportResult {
+  packages: ParsedPackageInput[];
+  source: "dlc";
+}
+
+export interface UiSnapshot {
+  settings: AppSettings;
+  session: SessionState;
+  summary: DownloadSummary | null;
+  speedText: string;
+  etaText: string;
+  canStart: boolean;
+  canStop: boolean;
+  canPause: boolean;
+}
+
+export interface AddLinksPayload {
+  rawText: string;
+  packageName?: string;
+}
+
+export interface AddContainerPayload {
+  filePaths: string[];
+}
+
+export interface ParsedHashEntry {
+  fileName: string;
+  algorithm: "crc32" | "md5" | "sha1";
+  digest: string;
+}