Add a keyboard-driven project setup flow (#2097)

* feat(projects): add keyboard-driven project setup

* test(app): update add project loading assertion

* fix(projects): harden GitHub project setup

packages/desktop/src/features/dialogs.ts

@@ -16,6 +16,7 @@ interface OpenOptions {
   title?: string;
   defaultPath?: string;
   directory?: boolean;
+  createDirectory?: boolean;
   multiple?: boolean;
   filters?: Array<{ name: string; extensions: string[] }>;
 }
@@ -65,6 +66,7 @@ export function registerDialogHandlers(): void {
     const win = BrowserWindow.fromWebContents(event.sender);
     const properties: Electron.OpenDialogOptions["properties"] = [];
     if (options?.directory) properties.push("openDirectory");
+    if (options?.createDirectory) properties.push("createDirectory");
     if (options?.multiple) properties.push("multiSelections");
     if (!options?.directory) properties.push("openFile");