Add update install progress feedback and collector metrics line

src/shared/ipc.ts

@@ -3,6 +3,7 @@ export const IPC_CHANNELS = {
   GET_VERSION: "app:get-version",
   CHECK_UPDATES: "app:check-updates",
   INSTALL_UPDATE: "app:install-update",
+  UPDATE_INSTALL_PROGRESS: "app:update-install-progress",
   OPEN_EXTERNAL: "app:open-external",
   UPDATE_SETTINGS: "app:update-settings",
   ADD_LINKS: "queue:add-links",

src/shared/preload-api.ts

@@ -6,6 +6,7 @@ import type {
   StartConflictResolutionResult,
   UiSnapshot,
   UpdateCheckResult,
+  UpdateInstallProgress,
   UpdateInstallResult
 } from "./types";
 
@@ -36,4 +37,5 @@ export interface ElectronApi {
   pickContainers: () => Promise<string[]>;
   onStateUpdate: (callback: (snapshot: UiSnapshot) => void) => () => void;
   onClipboardDetected: (callback: (links: string[]) => void) => () => void;
+  onUpdateInstallProgress: (callback: (progress: UpdateInstallProgress) => void) => () => void;
 }

src/shared/types.ts

@@ -212,6 +212,14 @@ export interface UpdateInstallResult {
   message: string;
 }
 
+export interface UpdateInstallProgress {
+  stage: "starting" | "downloading" | "verifying" | "launching" | "done" | "error";
+  percent: number | null;
+  downloadedBytes: number;
+  totalBytes: number | null;
+  message: string;
+}
+
 export interface ParsedHashEntry {
   fileName: string;
   algorithm: "crc32" | "md5" | "sha1";