feat: ship skill and MCP workflows with signed updater for v0.0.7

scripts/session-store-regression.ts

@@ -121,7 +121,8 @@ async function main(): Promise<void> {
                 export const ipcMain = {
                   handle: (name, handler) => state.handlers.set(name, handler)
                 };
-                export const dialog = { showOpenDialog: async () => ({ canceled: true, filePaths: [] }) };
+                export const webContents = { getAllWebContents: () => [] };
+                export const dialog = { showOpenDialog: async () => ({ canceled: true, filePaths: [] }), showSaveDialog: async () => ({ canceled: true }) };
                 export const shell = { openPath: async () => '' };
                 export const powerSaveBlocker = { start: () => 1, stop: () => undefined };
                 export class BrowserWindow {}