feat(installer): enhance IDE configuration updates with dynamic folder name handling

- Extracted the bmad folder name from the directory path to ensure correct usage in IDE commands.
- Updated the module and IDE managers to utilize the extracted folder name for improved consistency.
- Improved spinner handling during IDE setup to enhance user experience by stopping and restarting appropriately around configuration prompts.

tools/cli/installers/lib/core/installer.js

@@ -1560,6 +1560,13 @@ class Installer {
         throw new Error(`BMAD not installed at ${bmadDir}`);
       }
 
+      // Extract bmad folder name from the directory path and set it on managers
+      // This ensures generated IDE commands use the correct folder name (e.g., .bmad vs bmad)
+      const bmadFolderName = path.basename(bmadDir);
+      this.bmadFolderName = bmadFolderName; // Store for use in other methods
+      this.moduleManager.setBmadFolderName(bmadFolderName);
+      this.ideManager.setBmadFolderName(bmadFolderName);
+
       let agentCount = 0;
       let taskCount = 0;