fix: installer for github copilot asks follow up questions right away now so it does not seem to hang, and some minor doc improvements

tools/installer/bin/bmad.js

@@ -224,6 +224,58 @@ async function promptInstallation() {
   answers.installType = selectedItems.includes('bmad-core') ? 'full' : 'expansion-only';
   answers.expansionPacks = selectedItems.filter(item => item !== 'bmad-core');
 
+  // Ask sharding questions if installing BMad core
+  if (selectedItems.includes('bmad-core')) {
+    console.log(chalk.cyan('\n📋 Document Organization Settings'));
+    console.log(chalk.dim('Configure how your project documentation should be organized.\n'));
+    
+    // Ask about PRD sharding
+    const { prdSharded } = await inquirer.prompt([
+      {
+        type: 'confirm',
+        name: 'prdSharded',
+        message: 'Will the PRD (Product Requirements Document) be sharded into multiple files?',
+        default: true
+      }
+    ]);
+    answers.prdSharded = prdSharded;
+    
+    // Ask about architecture sharding
+    const { architectureSharded } = await inquirer.prompt([
+      {
+        type: 'confirm',
+        name: 'architectureSharded',
+        message: 'Will the architecture documentation be sharded into multiple files?',
+        default: true
+      }
+    ]);
+    answers.architectureSharded = architectureSharded;
+    
+    // Show warning if architecture sharding is disabled
+    if (!architectureSharded) {
+      console.log(chalk.yellow.bold('\n⚠️  IMPORTANT: Architecture Sharding Disabled'));
+      console.log(chalk.yellow('With architecture sharding disabled, you should still create the files listed'));
+      console.log(chalk.yellow('in devLoadAlwaysFiles (like coding-standards.md, tech-stack.md, source-tree.md)'));
+      console.log(chalk.yellow('as these are used by the dev agent at runtime.'));
+      console.log(chalk.yellow('\nAlternatively, you can remove these files from the devLoadAlwaysFiles list'));
+      console.log(chalk.yellow('in your core-config.yaml after installation.'));
+      
+      const { acknowledge } = await inquirer.prompt([
+        {
+          type: 'confirm',
+          name: 'acknowledge',
+          message: 'Do you acknowledge this requirement and want to proceed?',
+          default: false
+        }
+      ]);
+      
+      if (!acknowledge) {
+        console.log(chalk.red('Installation cancelled.'));
+        process.exit(0);
+      }
+    }
+  }
+
   // Ask for IDE configuration
   const { ides } = await inquirer.prompt([
     {
@@ -246,6 +298,37 @@ async function promptInstallation() {
   // Use selected IDEs directly
   answers.ides = ides;
 
+  // Configure GitHub Copilot immediately if selected
+  if (ides.includes('github-copilot')) {
+    console.log(chalk.cyan('\n🔧 GitHub Copilot Configuration'));
+    console.log(chalk.dim('BMad works best with specific VS Code settings for optimal agent experience.\n'));
+    
+    const { configChoice } = await inquirer.prompt([
+      {
+        type: 'list',
+        name: 'configChoice',
+        message: chalk.yellow('How would you like to configure GitHub Copilot settings?'),
+        choices: [
+          {
+            name: 'Use recommended defaults (fastest setup)',
+            value: 'defaults'
+          },
+          {
+            name: 'Configure each setting manually (customize to your preferences)',
+            value: 'manual'
+          },
+          {
+            name: 'Skip settings configuration (I\'ll configure manually later)',
+            value: 'skip'
+          }
+        ],
+        default: 'defaults'
+      }
+    ]);
+    
+    answers.githubCopilotConfig = { configChoice };
+  }
+
   // Ask for web bundles installation
   const { includeWebBundles } = await inquirer.prompt([
     {