fix: installer IDE selection and cancellation handling

- Fix manifest reading to use manifest.yaml instead of manifest.csv
- Show previously configured IDEs as selected by default in UI
- Skip configuration prompts for already configured IDEs during updates
- Properly collect IDE configurations during full reinstall
- Handle installation cancellation without throwing errors

tools/cli/commands/install.js

@@ -26,14 +26,23 @@ module.exports = {
       // Regular install/update flow
       const result = await installer.install(config);
 
-      console.log(chalk.green('\n✨ Installation complete!'));
-      console.log(
-        chalk.cyan('BMAD Core and Selected Modules have been installed to:'),
-        chalk.bold(result.path || path.resolve(config.directory, 'bmad')),
-      );
-      console.log(chalk.yellow('\nThank you for helping test the early release version of the new BMad Core and BMad Method!'));
-      console.log(chalk.cyan('Check docs/alpha-release-notes.md in this repository for important information.'));
-      process.exit(0);
+      // Check if installation was cancelled
+      if (result && result.cancelled) {
+        process.exit(0);
+        return;
+      }
+
+      // Check if installation succeeded
+      if (result && result.success) {
+        console.log(chalk.green('\n✨ Installation complete!'));
+        console.log(
+          chalk.cyan('BMAD Core and Selected Modules have been installed to:'),
+          chalk.bold(result.path || path.resolve(config.directory, 'bmad')),
+        );
+        console.log(chalk.yellow('\nThank you for helping test the early release version of the new BMad Core and BMad Method!'));
+        console.log(chalk.cyan('Check docs/alpha-release-notes.md in this repository for important information.'));
+        process.exit(0);
+      }
     } catch (error) {
       // Check if error has a complete formatted message
       if (error.fullMessage) {