Refacor electron app and add migrations

electron/preload.ts

@@ -0,0 +1,47 @@
+import { contextBridge, ipcRenderer } from 'electron';
+import { Command, Query } from './cqrs/types';
+
+export interface ElectronAPI {
+  // Window controls
+  minimizeWindow: () => void;
+  maximizeWindow: () => void;
+  closeWindow: () => void;
+
+  // System utilities
+  openExternal: (url: string) => Promise<boolean>;
+  getSources: () => Promise<{ id: string; name: string; thumbnail: string }[]>;
+  getAppDataPath: () => Promise<string>;
+  readFile: (filePath: string) => Promise<string>;
+  writeFile: (filePath: string, data: string) => Promise<boolean>;
+  fileExists: (filePath: string) => Promise<boolean>;
+  ensureDir: (dirPath: string) => Promise<boolean>;
+
+  // CQRS database operations
+  command: <T = unknown>(command: Command) => Promise<T>;
+  query: <T = unknown>(query: Query) => Promise<T>;
+}
+
+const electronAPI: ElectronAPI = {
+  minimizeWindow: () => ipcRenderer.send('window-minimize'),
+  maximizeWindow: () => ipcRenderer.send('window-maximize'),
+  closeWindow: () => ipcRenderer.send('window-close'),
+
+  openExternal: (url) => ipcRenderer.invoke('open-external', url),
+  getSources: () => ipcRenderer.invoke('get-sources'),
+  getAppDataPath: () => ipcRenderer.invoke('get-app-data-path'),
+  readFile: (filePath) => ipcRenderer.invoke('read-file', filePath),
+  writeFile: (filePath, data) => ipcRenderer.invoke('write-file', filePath, data),
+  fileExists: (filePath) => ipcRenderer.invoke('file-exists', filePath),
+  ensureDir: (dirPath) => ipcRenderer.invoke('ensure-dir', dirPath),
+
+  command: (command) => ipcRenderer.invoke('cqrs:command', command),
+  query: (query) => ipcRenderer.invoke('cqrs:query', query)
+};
+
+contextBridge.exposeInMainWorld('electronAPI', electronAPI);
+
+declare global {
+  interface Window {
+    electronAPI: ElectronAPI;
+  }
+}