sead-method-core/tools/installer/lib/installer.js

Specification Enforced Agentic Agile Development - A hybrid methodology preventing AI agent drift through catalog-based constraints with comprehensive external asset integration

const path = require('node:path');
const fs = require('fs-extra');
const chalk = require('chalk');
const ora = require('ora');
const inquirer = require('inquirer');
const fileManager = require('./file-manager');
const configLoader = require('./config-loader');
const ideSetup = require('./ide-setup');
const { extractYamlFromAgent } = require('../../lib/yaml-utils');
const resourceLocator = require('./resource-locator');

class Installer {
  async getCoreVersion() {
    try {
      // Always use package.json version
      const packagePath = path.join(__dirname, '..', '..', '..', 'package.json');
      const packageJson = require(packagePath);
      return packageJson.version;
    } catch {
      console.warn("Could not read version from package.json, using 'unknown'");
      return 'unknown';
    }
  }

  async install(config) {
    const spinner = ora('Analyzing installation directory...').start();

    try {
      // Store the original CWD where npx was executed
      const originalCwd = process.env.INIT_CWD || process.env.PWD || process.cwd();

      // Resolve installation directory relative to where the user ran the command
      let installDir = path.isAbsolute(config.directory)
        ? config.directory
        : path.resolve(originalCwd, config.directory);

      if (path.basename(installDir) === '.sead-core') {
        // If user points directly to .sead-core, treat its parent as the project root
        installDir = path.dirname(installDir);
      }

      // Log resolved path for clarity
      if (!path.isAbsolute(config.directory)) {
        spinner.text = `Resolving "${config.directory}" to: ${installDir}`;
      }

      // Check if directory exists and handle non-existent directories
      if (!(await fileManager.pathExists(installDir))) {
        spinner.stop();
        console.log(`\nThe directory ${installDir} does not exist.`);

        const { action } = await inquirer.prompt([
          {
            type: 'list',
            name: 'action',
            message: 'What would you like to do?',
            choices: [
              {
                name: 'Create the directory and continue',
                value: 'create',
              },
              {
                name: 'Choose a different directory',
                value: 'change',
              },
              {
                name: 'Cancel installation',
                value: 'cancel',
              },
            ],
          },
        ]);

        switch (action) {
          case 'cancel': {
            console.log('Installation cancelled.');
            process.exit(0);

            break;
          }
          case 'change': {
            const { newDirectory } = await inquirer.prompt([
              {
                type: 'input',
                name: 'newDirectory',
                message: 'Enter the new directory path:',
                validate: (input) => {
                  if (!input.trim()) {
                    return 'Please enter a valid directory path';
                  }
                  return true;
                },
              },
            ]);
            // Preserve the original CWD for the recursive call
            config.directory = newDirectory;
            return await this.install(config); // Recursive call with new directory
          }
          case 'create': {
            try {
              await fileManager.ensureDirectory(installDir);
              console.log(`✓ Created directory: ${installDir}`);
            } catch (error) {
              console.error(`Failed to create directory: ${error.message}`);
              console.error('You may need to check permissions or use a different path.');
              process.exit(1);
            }

            break;
          }
          // No default
        }

        spinner.start('Analyzing installation directory...');
      }

      // If this is an update request from early detection, handle it directly
      if (config.installType === 'update') {
        const state = await this.detectInstallationState(installDir);
        if (state.type === 'v4_existing') {
          return await this.performUpdate(config, installDir, state.manifest, spinner);
        } else {
          spinner.fail('No existing v4 installation found to update');
          throw new Error('No existing v4 installation found');
        }
      }

      // Detect current state
      const state = await this.detectInstallationState(installDir);

      // Handle different states
      switch (state.type) {
        case 'clean': {
          return await this.performFreshInstall(config, installDir, spinner);
        }

        case 'v4_existing': {
          return await this.handleExistingV4Installation(config, installDir, state, spinner);
        }

        case 'v3_existing': {
          return await this.handleV3Installation(config, installDir, state, spinner);
        }

        case 'unknown_existing': {
          return await this.handleUnknownInstallation(config, installDir, state, spinner);
        }
      }
    } catch (error) {
      // Check if modules were initialized
      if (spinner) {
        spinner.fail('Installation failed');
      } else {
        console.error('Installation failed:', error.message);
      }
      throw error;
    }
  }

  async detectInstallationState(installDir) {
    const state = {
      type: 'clean',
      hasV4Manifest: false,
      hasV3Structure: false,
      hasBmadCore: false,
      hasOtherFiles: false,
      manifest: null,
      expansionPacks: {},
    };

    // Check if directory exists
    if (!(await fileManager.pathExists(installDir))) {
      return state; // clean install
    }

    // Check for V4 installation (has .sead-core with manifest)
    const bmadCorePath = path.join(installDir, '.sead-core');
    const manifestPath = path.join(bmadCorePath, 'install-manifest.yaml');

    if (await fileManager.pathExists(manifestPath)) {
      state.type = 'v4_existing';
      state.hasV4Manifest = true;
      state.hasBmadCore = true;
      state.manifest = await fileManager.readManifest(installDir);
      return state;
    }

    // Check for V3 installation (has bmad-agent directory)
    const bmadAgentPath = path.join(installDir, 'bmad-agent');
    if (await fileManager.pathExists(bmadAgentPath)) {
      state.type = 'v3_existing';
      state.hasV3Structure = true;
      return state;
    }

    // Check for .sead-core without manifest (broken V4 or manual copy)
    if (await fileManager.pathExists(bmadCorePath)) {
      state.type = 'unknown_existing';
      state.hasBmadCore = true;
      return state;
    }

    // Check if directory has other files
    const files = await resourceLocator.findFiles('**/*', {
      cwd: installDir,
      nodir: true,
      ignore: ['**/.git/**', '**/node_modules/**'],
    });

    if (files.length > 0) {
      // Directory has other files, but no SEAD installation.
      // Treat as clean install but record that it isn't empty.
      state.hasOtherFiles = true;
    }

    // Check for expansion packs (folders starting with .)
    const expansionPacks = await this.detectExpansionPacks(installDir);
    state.expansionPacks = expansionPacks;

    return state; // clean install
  }

  async performFreshInstall(config, installDir, spinner, options = {}) {
    spinner.text = 'Installing SEAD Method...';

    let files = [];

    switch (config.installType) {
      case 'full': {
        // Full installation - copy entire .sead-core folder as a subdirectory
        spinner.text = 'Copying complete .sead-core folder...';
        const sourceDir = resourceLocator.getSeadCorePath();
        const bmadCoreDestDir = path.join(installDir, '.sead-core');
        await fileManager.copyDirectoryWithRootReplacement(
          sourceDir,
          bmadCoreDestDir,
          '.sead-core',
        );

        // Copy common/ items to .sead-core
        spinner.text = 'Copying common utilities...';
        await this.copyCommonItems(installDir, '.sead-core', spinner);

        // Copy documentation files from docs/ to .sead-core
        spinner.text = 'Copying documentation files...';
        await this.copyDocsItems(installDir, '.sead-core', spinner);

        // Get list of all files for manifest
        const foundFiles = await resourceLocator.findFiles('**/*', {
          cwd: bmadCoreDestDir,
          nodir: true,
          ignore: ['**/.git/**', '**/node_modules/**'],
        });
        files = foundFiles.map((file) => path.join('.sead-core', file));

        break;
      }
      case 'single-agent': {
        // Single agent installation
        spinner.text = `Installing ${config.agent} agent...`;

        // Copy agent file with {root} replacement
        const agentPath = configLoader.getAgentPath(config.agent);
        const destinationAgentPath = path.join(
          installDir,
          '.sead-core',
          'agents',
          `${config.agent}.md`,
        );
        await fileManager.copyFileWithRootReplacement(
          agentPath,
          destinationAgentPath,
          '.sead-core',
        );
        files.push(`.sead-core/agents/${config.agent}.md`);

        // Copy dependencies
        const { all: dependencies } = await resourceLocator.getAgentDependencies(config.agent);
        const sourceBase = resourceLocator.getSeadCorePath();

        for (const dep of dependencies) {
          spinner.text = `Copying dependency: ${dep}`;

          if (dep.includes('*')) {
            // Handle glob patterns with {root} replacement
            const copiedFiles = await fileManager.copyGlobPattern(
              dep.replace('.sead-core/', ''),
              sourceBase,
              path.join(installDir, '.sead-core'),
              '.sead-core',
            );
            files.push(...copiedFiles.map((f) => `.sead-core/${f}`));
          } else {
            // Handle single files with {root} replacement if needed
            const sourcePath = path.join(sourceBase, dep.replace('.sead-core/', ''));
            const destinationPath = path.join(installDir, dep);

            const needsRootReplacement =
              dep.endsWith('.md') || dep.endsWith('.yaml') || dep.endsWith('.yml');
            let success = false;

            success = await (needsRootReplacement
              ? fileManager.copyFileWithRootReplacement(sourcePath, destinationPath, '.sead-core')
              : fileManager.copyFile(sourcePath, destinationPath));

            if (success) {
              files.push(dep);
            }
          }
        }

        // Copy common/ items to .sead-core
        spinner.text = 'Copying common utilities...';
        const commonFiles = await this.copyCommonItems(installDir, '.sead-core', spinner);
        files.push(...commonFiles);

        // Copy documentation files from docs/ to .sead-core
        spinner.text = 'Copying documentation files...';
        const documentFiles = await this.copyDocsItems(installDir, '.sead-core', spinner);
        files.push(...documentFiles);

        break;
      }
      case 'team': {
        // Team installation
        spinner.text = `Installing ${config.team} team...`;

        // Get team dependencies
        const teamDependencies = await configLoader.getTeamDependencies(config.team);
        const sourceBase = resourceLocator.getSeadCorePath();

        // Install all team dependencies
        for (const dep of teamDependencies) {
          spinner.text = `Copying team dependency: ${dep}`;

          if (dep.includes('*')) {
            // Handle glob patterns with {root} replacement
            const copiedFiles = await fileManager.copyGlobPattern(
              dep.replace('.sead-core/', ''),
              sourceBase,
              path.join(installDir, '.sead-core'),
              '.sead-core',
            );
            files.push(...copiedFiles.map((f) => `.sead-core/${f}`));
          } else {
            // Handle single files with {root} replacement if needed
            const sourcePath = path.join(sourceBase, dep.replace('.sead-core/', ''));
            const destinationPath = path.join(installDir, dep);

            const needsRootReplacement =
              dep.endsWith('.md') || dep.endsWith('.yaml') || dep.endsWith('.yml');
            let success = false;

            success = await (needsRootReplacement
              ? fileManager.copyFileWithRootReplacement(sourcePath, destinationPath, '.sead-core')
              : fileManager.copyFile(sourcePath, destinationPath));

            if (success) {
              files.push(dep);
            }
          }
        }

        // Copy common/ items to .sead-core
        spinner.text = 'Copying common utilities...';
        const commonFiles = await this.copyCommonItems(installDir, '.sead-core', spinner);
        files.push(...commonFiles);

        // Copy documentation files from docs/ to .sead-core
        spinner.text = 'Copying documentation files...';
        const documentFiles = await this.copyDocsItems(installDir, '.sead-core', spinner);
        files.push(...documentFiles);

        break;
      }
      case 'expansion-only': {
        // Expansion-only installation - DO NOT create .sead-core
        // Only install expansion packs
        spinner.text = 'Installing expansion packs only...';

        break;
      }
      // No default
    }

    // Install expansion packs if requested
    const expansionFiles = await this.installExpansionPacks(
      installDir,
      config.expansionPacks,
      spinner,
      config,
    );
    files.push(...expansionFiles);

    // Install web bundles if requested
    if (config.includeWebBundles && config.webBundlesDirectory) {
      spinner.text = 'Installing web bundles...';
      // Resolve web bundles directory using the same logic as the main installation directory
      const originalCwd = process.env.INIT_CWD || process.env.PWD || process.cwd();
      let resolvedWebBundlesDir = path.isAbsolute(config.webBundlesDirectory)
        ? config.webBundlesDirectory
        : path.resolve(originalCwd, config.webBundlesDirectory);
      await this.installWebBundles(resolvedWebBundlesDir, config, spinner);
    }

    // Set up IDE integration if requested
    const ides = config.ides || (config.ide ? [config.ide] : []);
    if (ides.length > 0) {
      for (const ide of ides) {
        spinner.text = `Setting up ${ide} integration...`;
        let preConfiguredSettings = null;
        if (ide === 'github-copilot') {
          preConfiguredSettings = config.githubCopilotConfig;
        } else if (ide === 'auggie-cli') {
          preConfiguredSettings = config.augmentCodeConfig;
        }
        await ideSetup.setup(ide, installDir, config.agent, spinner, preConfiguredSettings);
      }
    }

    // Modify core-config.yaml if sharding preferences were provided
    if (
      config.installType !== 'expansion-only' &&
      (config.prdSharded !== undefined || config.architectureSharded !== undefined)
    ) {
      spinner.text = 'Configuring document sharding settings...';
      await fileManager.modifyCoreConfig(installDir, config);
    }

    // Create manifest (skip for expansion-only installations)
    if (config.installType !== 'expansion-only') {
      spinner.text = 'Creating installation manifest...';
      await fileManager.createManifest(installDir, config, files);
    }

    spinner.succeed('Installation complete!');
    this.showSuccessMessage(config, installDir, options);
  }

  async handleExistingV4Installation(config, installDir, state, spinner) {
    spinner.stop();

    const currentVersion = state.manifest.version;
    const newVersion = await this.getCoreVersion();
    const versionCompare = this.compareVersions(currentVersion, newVersion);

    console.log(chalk.yellow('\n🔍 Found existing SEAD v4 installation'));
    console.log(`   Directory: ${installDir}`);
    console.log(`   Current version: ${currentVersion}`);
    console.log(`   Available version: ${newVersion}`);
    console.log(`   Installed: ${new Date(state.manifest.installed_at).toLocaleDateString()}`);

    // Check file integrity
    spinner.start('Checking installation integrity...');
    const integrity = await fileManager.checkFileIntegrity(installDir, state.manifest);
    spinner.stop();

    const hasMissingFiles = integrity.missing.length > 0;
    const hasModifiedFiles = integrity.modified.length > 0;
    const hasIntegrityIssues = hasMissingFiles || hasModifiedFiles;

    if (hasIntegrityIssues) {
      console.log(chalk.red('\n⚠️  Installation issues detected:'));
      if (hasMissingFiles) {
        console.log(chalk.red(`   Missing files: ${integrity.missing.length}`));
        if (integrity.missing.length <= 5) {
          for (const file of integrity.missing) console.log(chalk.dim(`     - ${file}`));
        }
      }
      if (hasModifiedFiles) {
        console.log(chalk.yellow(`   Modified files: ${integrity.modified.length}`));
        if (integrity.modified.length <= 5) {
          for (const file of integrity.modified) console.log(chalk.dim(`     - ${file}`));
        }
      }
    }

    // Show existing expansion packs
    if (Object.keys(state.expansionPacks).length > 0) {
      console.log(chalk.cyan('\n📦 Installed expansion packs:'));
      for (const [packId, packInfo] of Object.entries(state.expansionPacks)) {
        if (packInfo.hasManifest && packInfo.manifest) {
          console.log(`   - ${packId} (v${packInfo.manifest.version || 'unknown'})`);
        } else {
          console.log(`   - ${packId} (no manifest)`);
        }
      }
    }

    let choices = [];

    if (versionCompare < 0) {
      console.log(chalk.cyan('\n⬆️  Upgrade available for SEAD core'));
      choices.push({
        name: `Upgrade SEAD core (v${currentVersion} → v${newVersion})`,
        value: 'upgrade',
      });
    } else if (versionCompare === 0) {
      if (hasIntegrityIssues) {
        // Offer repair option when files are missing or modified
        choices.push({
          name: 'Repair installation (restore missing/modified files)',
          value: 'repair',
        });
      }
      console.log(chalk.yellow('\n⚠️  Same version already installed'));
      choices.push({
        name: `Force reinstall SEAD core (v${currentVersion} - reinstall)`,
        value: 'reinstall',
      });
    } else {
      console.log(chalk.yellow('\n⬇️  Installed version is newer than available'));
      choices.push({
        name: `Downgrade SEAD core (v${currentVersion} → v${newVersion})`,
        value: 'reinstall',
      });
    }

    choices.push(
      { name: 'Add/update expansion packs only', value: 'expansions' },
      { name: 'Cancel', value: 'cancel' },
    );

    const { action } = await inquirer.prompt([
      {
        type: 'list',
        name: 'action',
        message: 'What would you like to do?',
        choices: choices,
      },
    ]);

    switch (action) {
      case 'upgrade': {
        return await this.performUpdate(config, installDir, state.manifest, spinner);
      }
      case 'repair': {
        // For repair, restore missing/modified files while backing up modified ones
        return await this.performRepair(config, installDir, state.manifest, integrity, spinner);
      }
      case 'reinstall': {
        // For reinstall, don't check for modifications - just overwrite
        return await this.performReinstall(config, installDir, spinner);
      }
      case 'expansions': {
        // Ask which expansion packs to install
        const availableExpansionPacks = await resourceLocator.getExpansionPacks();

        if (availableExpansionPacks.length === 0) {
          console.log(chalk.yellow('No expansion packs available.'));
          return;
        }

        const { selectedPacks } = await inquirer.prompt([
          {
            type: 'checkbox',
            name: 'selectedPacks',
            message: 'Select expansion packs to install/update:',
            choices: availableExpansionPacks.map((pack) => ({
              name: `${pack.name} (v${pack.version}) .${pack.id}`,
              value: pack.id,
              checked: state.expansionPacks[pack.id] !== undefined,
            })),
          },
        ]);

        if (selectedPacks.length === 0) {
          console.log(chalk.yellow('No expansion packs selected.'));
          return;
        }

        spinner.start('Installing expansion packs...');
        const expansionFiles = await this.installExpansionPacks(
          installDir,
          selectedPacks,
          spinner,
          { ides: config.ides || [] },
        );
        spinner.succeed('Expansion packs installed successfully!');

        console.log(chalk.green('\n✓ Installation complete!'));
        console.log(chalk.green(`✓ Expansion packs installed/updated:`));
        for (const packId of selectedPacks) {
          console.log(chalk.green(`  - ${packId} → .${packId}/`));
        }
        return;
      }
      case 'cancel': {
        console.log('Installation cancelled.');
        return;
      }
    }
  }

  async handleV3Installation(config, installDir, state, spinner) {
    spinner.stop();

    console.log(chalk.yellow('\n🔍 Found SEAD v3 installation (bmad-agent/ directory)'));
    console.log(`   Directory: ${installDir}`);

    const { action } = await inquirer.prompt([
      {
        type: 'list',
        name: 'action',
        message: 'What would you like to do?',
        choices: [
          { name: 'Upgrade from v3 to v4 (recommended)', value: 'upgrade' },
          { name: 'Install v4 alongside v3', value: 'alongside' },
          { name: 'Cancel', value: 'cancel' },
        ],
      },
    ]);

    switch (action) {
      case 'upgrade': {
        console.log(chalk.cyan('\n📦 Starting v3 to v4 upgrade process...'));
        const V3ToV4Upgrader = require('../../upgraders/v3-to-v4-upgrader');
        const upgrader = new V3ToV4Upgrader();
        return await upgrader.upgrade({
          projectPath: installDir,
          ides: config.ides || [], // Pass IDE selections from initial config
        });
      }
      case 'alongside': {
        return await this.performFreshInstall(config, installDir, spinner);
      }
      case 'cancel': {
        console.log('Installation cancelled.');
        return;
      }
    }
  }

  async handleUnknownInstallation(config, installDir, state, spinner) {
    spinner.stop();

    console.log(chalk.yellow('\n⚠️  Directory contains existing files'));
    console.log(`   Directory: ${installDir}`);

    if (state.hasBmadCore) {
      console.log('   Found: .sead-core directory (but no manifest)');
    }
    if (state.hasOtherFiles) {
      console.log('   Found: Other files in directory');
    }

    const { action } = await inquirer.prompt([
      {
        type: 'list',
        name: 'action',
        message: 'What would you like to do?',
        choices: [
          { name: 'Install anyway (may overwrite files)', value: 'force' },
          { name: 'Choose different directory', value: 'different' },
          { name: 'Cancel', value: 'cancel' },
        ],
      },
    ]);

    switch (action) {
      case 'force': {
        return await this.performFreshInstall(config, installDir, spinner);
      }
      case 'different': {
        const { newDir } = await inquirer.prompt([
          {
            type: 'input',
            name: 'newDir',
            message: 'Enter new installation directory:',
            default: path.join(path.dirname(installDir), 'bmad-project'),
          },
        ]);
        config.directory = newDir;
        return await this.install(config);
      }
      case 'cancel': {
        console.log('Installation cancelled.');
        return;
      }
    }
  }

  async performUpdate(newConfig, installDir, manifest, spinner) {
    spinner.start('Checking for updates...');

    try {
      // Get current and new versions
      const currentVersion = manifest.version;
      const newVersion = await this.getCoreVersion();
      const versionCompare = this.compareVersions(currentVersion, newVersion);

      // Only check for modified files if it's an actual version upgrade
      let modifiedFiles = [];
      if (versionCompare !== 0) {
        spinner.text = 'Checking for modified files...';
        modifiedFiles = await fileManager.checkModifiedFiles(installDir, manifest);
      }

      if (modifiedFiles.length > 0) {
        spinner.warn('Found modified files');
        console.log(chalk.yellow('\nThe following files have been modified:'));
        for (const file of modifiedFiles) {
          console.log(`  - ${file}`);
        }

        const { action } = await inquirer.prompt([
          {
            type: 'list',
            name: 'action',
            message: 'How would you like to proceed?',
            choices: [
              { name: 'Backup and overwrite modified files', value: 'backup' },
              { name: 'Skip modified files', value: 'skip' },
              { name: 'Cancel update', value: 'cancel' },
            ],
          },
        ]);

        if (action === 'cancel') {
          console.log('Update cancelled.');
          return;
        }

        if (action === 'backup') {
          spinner.start('Backing up modified files...');
          for (const file of modifiedFiles) {
            const filePath = path.join(installDir, file);
            const backupPath = await fileManager.backupFile(filePath);
            console.log(chalk.dim(`  Backed up: ${file} → ${path.basename(backupPath)}`));
          }
        }
      }

      // Perform update by re-running installation
      spinner.text = versionCompare === 0 ? 'Reinstalling files...' : 'Updating files...';
      const config = {
        installType: manifest.install_type,
        agent: manifest.agent,
        directory: installDir,
        ides: newConfig?.ides || manifest.ides_setup || [],
      };

      await this.performFreshInstall(config, installDir, spinner, { isUpdate: true });

      // Clean up .yml files that now have .yaml counterparts
      spinner.text = 'Cleaning up legacy .yml files...';
      await this.cleanupLegacyYmlFiles(installDir, spinner);
    } catch (error) {
      spinner.fail('Update failed');
      throw error;
    }
  }

  async performRepair(config, installDir, manifest, integrity, spinner) {
    spinner.start('Preparing to repair installation...');

    try {
      // Back up modified files
      if (integrity.modified.length > 0) {
        spinner.text = 'Backing up modified files...';
        for (const file of integrity.modified) {
          const filePath = path.join(installDir, file);
          if (await fileManager.pathExists(filePath)) {
            const backupPath = await fileManager.backupFile(filePath);
            console.log(chalk.dim(`  Backed up: ${file} → ${path.basename(backupPath)}`));
          }
        }
      }

      // Restore missing and modified files
      spinner.text = 'Restoring files...';
      const sourceBase = resourceLocator.getSeadCorePath();
      const filesToRestore = [...integrity.missing, ...integrity.modified];

      for (const file of filesToRestore) {
        // Skip the manifest file itself
        if (file.endsWith('install-manifest.yaml')) continue;

        const relativePath = file.replace('.sead-core/', '');
        const destinationPath = path.join(installDir, file);

        // Check if this is a common/ file that needs special processing
        const commonBase = path.dirname(path.dirname(path.dirname(path.dirname(__filename))));
        const commonSourcePath = path.join(commonBase, 'common', relativePath);

        if (await fileManager.pathExists(commonSourcePath)) {
          // This is a common/ file - needs template processing
          const fs = require('node:fs').promises;
          const content = await fs.readFile(commonSourcePath, 'utf8');
          const updatedContent = content.replaceAll('{root}', '.sead-core');
          await fileManager.ensureDirectory(path.dirname(destinationPath));
          await fs.writeFile(destinationPath, updatedContent, 'utf8');
          spinner.text = `Restored: ${file}`;
        } else {
          // Regular file from sead-core
          const sourcePath = path.join(sourceBase, relativePath);
          if (await fileManager.pathExists(sourcePath)) {
            await fileManager.copyFile(sourcePath, destinationPath);
            spinner.text = `Restored: ${file}`;

            // If this is a .yaml file, check for and remove corresponding .yml file
            if (file.endsWith('.yaml')) {
              const ymlFile = file.replace(/\.yaml$/, '.yml');
              const ymlPath = path.join(installDir, ymlFile);
              if (await fileManager.pathExists(ymlPath)) {
                const fs = require('node:fs').promises;
                await fs.unlink(ymlPath);
                console.log(chalk.dim(`  Removed legacy: ${ymlFile} (replaced by ${file})`));
              }
            }
          } else {
            console.warn(chalk.yellow(`  Warning: Source file not found: ${file}`));
          }
        }
      }

      // Clean up .yml files that now have .yaml counterparts
      spinner.text = 'Cleaning up legacy .yml files...';
      await this.cleanupLegacyYmlFiles(installDir, spinner);

      spinner.succeed('Repair completed successfully!');

      // Show summary
      console.log(chalk.green('\n✓ Installation repaired!'));
      if (integrity.missing.length > 0) {
        console.log(chalk.green(`  Restored ${integrity.missing.length} missing files`));
      }
      if (integrity.modified.length > 0) {
        console.log(
          chalk.green(`  Restored ${integrity.modified.length} modified files (backups created)`),
        );
      }

      // Warning for Cursor custom modes if agents were repaired
      const ides = manifest.ides_setup || [];
      if (ides.includes('cursor')) {
        console.log(chalk.yellow.bold('\n⚠️  IMPORTANT: Cursor Custom Modes Update Required'));
        console.log(
          chalk.yellow(
            'Since agent files have been repaired, you need to update any custom agent modes configured in the Cursor custom agent GUI per the Cursor docs.',
          ),
        );
      }
    } catch (error) {
      spinner.fail('Repair failed');
      throw error;
    }
  }

  async performReinstall(config, installDir, spinner) {
    spinner.start('Preparing to reinstall SEAD Method...');

    // Remove existing .sead-core
    const bmadCorePath = path.join(installDir, '.sead-core');
    if (await fileManager.pathExists(bmadCorePath)) {
      spinner.text = 'Removing existing installation...';
      await fileManager.removeDirectory(bmadCorePath);
    }

    spinner.text = 'Installing fresh copy...';
    const result = await this.performFreshInstall(config, installDir, spinner, { isUpdate: true });

    // Clean up .yml files that now have .yaml counterparts
    spinner.text = 'Cleaning up legacy .yml files...';
    await this.cleanupLegacyYmlFiles(installDir, spinner);

    return result;
  }

  showSuccessMessage(config, installDir, options = {}) {
    console.log(chalk.green('\n✓ SEAD Method installed successfully!\n'));

    const ides = config.ides || (config.ide ? [config.ide] : []);
    if (ides.length > 0) {
      for (const ide of ides) {
        const ideConfig = configLoader.getIdeConfiguration(ide);
        if (ideConfig?.instructions) {
          console.log(chalk.bold(`To use SEAD agents in ${ideConfig.name}:`));
          console.log(ideConfig.instructions);
        }
      }
    } else {
      console.log(chalk.yellow('No IDE configuration was set up.'));
      console.log('You can manually configure your IDE using the agent files in:', installDir);
    }

    // Information about installation components
    console.log(chalk.bold('\n🎯 Installation Summary:'));
    if (config.installType !== 'expansion-only') {
      console.log(chalk.green('✓ .sead-core framework installed with all agents and workflows'));
    }

    if (config.expansionPacks && config.expansionPacks.length > 0) {
      console.log(chalk.green(`✓ Expansion packs installed:`));
      for (const packId of config.expansionPacks) {
        console.log(chalk.green(`  - ${packId} → .${packId}/`));
      }
    }

    if (config.includeWebBundles && config.webBundlesDirectory) {
      const bundleInfo = this.getWebBundleInfo(config);
      // Resolve the web bundles directory for display
      const originalCwd = process.env.INIT_CWD || process.env.PWD || process.cwd();
      const resolvedWebBundlesDir = path.isAbsolute(config.webBundlesDirectory)
        ? config.webBundlesDirectory
        : path.resolve(originalCwd, config.webBundlesDirectory);
      console.log(
        chalk.green(`✓ Web bundles (${bundleInfo}) installed to: ${resolvedWebBundlesDir}`),
      );
    }

    if (ides.length > 0) {
      const ideNames = ides
        .map((ide) => {
          const ideConfig = configLoader.getIdeConfiguration(ide);
          return ideConfig?.name || ide;
        })
        .join(', ');
      console.log(chalk.green(`✓ IDE rules and configurations set up for: ${ideNames}`));
    }

    // Information about web bundles
    if (!config.includeWebBundles) {
      console.log(chalk.bold('\n📦 Web Bundles Available:'));
      console.log('Pre-built web bundles are available and can be added later:');
      console.log(chalk.cyan('  Run the installer again to add them to your project'));
      console.log('These bundles work independently and can be shared, moved, or used');
      console.log('in other projects as standalone files.');
    }

    if (config.installType === 'single-agent') {
      console.log(chalk.dim('\nNeed other agents? Run: npx sead-method install --agent=<name>'));
      console.log(chalk.dim('Need everything? Run: npx sead-method install --full'));
    }

    // Warning for Cursor custom modes if agents were updated
    if (options.isUpdate && ides.includes('cursor')) {
      console.log(chalk.yellow.bold('\n⚠️  IMPORTANT: Cursor Custom Modes Update Required'));
      console.log(
        chalk.yellow(
          'Since agents have been updated, you need to update any custom agent modes configured in the Cursor custom agent GUI per the Cursor docs.',
        ),
      );
    }

    // Important notice to read the user guide
    console.log(
      chalk.red.bold(
        '\n📖 IMPORTANT: Please read the user guide at docs/user-guide.md (also installed at .sead-core/user-guide.md)',
      ),
    );
    console.log(
      chalk.red(
        'This guide contains essential information about the SEAD workflow and how to use the agents effectively.',
      ),
    );
  }

  // Legacy method for backward compatibility
  async update() {
    console.log(chalk.yellow('The "update" command is deprecated.'));
    console.log(
      'Please use "install" instead - it will detect and offer to update existing installations.',
    );

    const installDir = await this.findInstallation();
    if (installDir) {
      const config = {
        installType: 'full',
        directory: path.dirname(installDir),
        ide: null,
      };
      return await this.install(config);
    }
    console.log(chalk.red('No SEAD installation found.'));
  }

  async listAgents() {
    const agents = await resourceLocator.getAvailableAgents();

    console.log(chalk.bold('\nAvailable SEAD Agents:\n'));

    for (const agent of agents) {
      console.log(chalk.cyan(`  ${agent.id.padEnd(20)}`), agent.description);
    }

    console.log(chalk.dim('\nInstall with: npx sead-method install --agent=<id>\n'));
  }

  async listExpansionPacks() {
    const expansionPacks = await resourceLocator.getExpansionPacks();

    console.log(chalk.bold('\nAvailable SEAD Expansion Packs:\n'));

    if (expansionPacks.length === 0) {
      console.log(chalk.yellow('No expansion packs found.'));
      return;
    }

    for (const pack of expansionPacks) {
      console.log(chalk.cyan(`  ${pack.id.padEnd(20)}`), `${pack.name} v${pack.version}`);
      console.log(chalk.dim(`  ${' '.repeat(22)}${pack.description}`));
      if (pack.author && pack.author !== 'Unknown') {
        console.log(chalk.dim(`  ${' '.repeat(22)}by ${pack.author}`));
      }
      console.log();
    }

    console.log(chalk.dim('Install with: npx sead-method install --full --expansion-packs <id>\n'));
  }

  async showStatus() {
    const installDir = await this.findInstallation();

    if (!installDir) {
      console.log(chalk.yellow('No SEAD installation found in current directory tree'));
      return;
    }

    const manifest = await fileManager.readManifest(installDir);

    if (!manifest) {
      console.log(chalk.red('Invalid installation - manifest not found'));
      return;
    }

    console.log(chalk.bold('\nSEAD Installation Status:\n'));
    console.log(`  Directory:      ${installDir}`);
    console.log(`  Version:        ${manifest.version}`);
    console.log(`  Installed:      ${new Date(manifest.installed_at).toLocaleDateString()}`);
    console.log(`  Type:           ${manifest.install_type}`);

    if (manifest.agent) {
      console.log(`  Agent:          ${manifest.agent}`);
    }

    if (manifest.ides_setup && manifest.ides_setup.length > 0) {
      console.log(`  IDE Setup:      ${manifest.ides_setup.join(', ')}`);
    }

    console.log(`  Total Files:    ${manifest.files.length}`);

    // Check for modifications
    const modifiedFiles = await fileManager.checkModifiedFiles(installDir, manifest);
    if (modifiedFiles.length > 0) {
      console.log(chalk.yellow(`  Modified Files: ${modifiedFiles.length}`));
    }

    console.log('');
  }

  async getAvailableAgents() {
    return resourceLocator.getAvailableAgents();
  }

  async getAvailableExpansionPacks() {
    return resourceLocator.getExpansionPacks();
  }

  async getAvailableTeams() {
    return configLoader.getAvailableTeams();
  }

  async installExpansionPacks(installDir, selectedPacks, spinner, config = {}) {
    if (!selectedPacks || selectedPacks.length === 0) {
      return [];
    }

    const installedFiles = [];

    for (const packId of selectedPacks) {
      spinner.text = `Installing expansion pack: ${packId}...`;

      try {
        const expansionPacks = await resourceLocator.getExpansionPacks();
        const pack = expansionPacks.find((p) => p.id === packId);

        if (!pack) {
          console.warn(`Expansion pack ${packId} not found, skipping...`);
          continue;
        }

        // Check if expansion pack already exists
        let expansionDotFolder = path.join(installDir, `.${packId}`);
        const existingManifestPath = path.join(expansionDotFolder, 'install-manifest.yaml');

        if (await fileManager.pathExists(existingManifestPath)) {
          spinner.stop();
          const existingManifest = await fileManager.readExpansionPackManifest(installDir, packId);

          console.log(chalk.yellow(`\n🔍 Found existing ${pack.name} installation`));
          console.log(`   Current version: ${existingManifest.version || 'unknown'}`);
          console.log(`   New version: ${pack.version}`);

          // Check integrity of existing expansion pack
          const packIntegrity = await fileManager.checkFileIntegrity(installDir, existingManifest);
          const hasPackIntegrityIssues =
            packIntegrity.missing.length > 0 || packIntegrity.modified.length > 0;

          if (hasPackIntegrityIssues) {
            console.log(chalk.red('   ⚠️  Installation issues detected:'));
            if (packIntegrity.missing.length > 0) {
              console.log(chalk.red(`     Missing files: ${packIntegrity.missing.length}`));
            }
            if (packIntegrity.modified.length > 0) {
              console.log(chalk.yellow(`     Modified files: ${packIntegrity.modified.length}`));
            }
          }

          const versionCompare = this.compareVersions(
            existingManifest.version || '0.0.0',
            pack.version,
          );

          if (versionCompare === 0) {
            console.log(chalk.yellow('   ⚠️  Same version already installed'));

            const choices = [];
            if (hasPackIntegrityIssues) {
              choices.push({ name: 'Repair (restore missing/modified files)', value: 'repair' });
            }
            choices.push(
              { name: 'Force reinstall (overwrite)', value: 'overwrite' },
              { name: 'Skip this expansion pack', value: 'skip' },
              { name: 'Cancel installation', value: 'cancel' },
            );

            const { action } = await inquirer.prompt([
              {
                type: 'list',
                name: 'action',
                message: `${pack.name} v${pack.version} is already installed. What would you like to do?`,
                choices: choices,
              },
            ]);

            switch (action) {
              case 'skip': {
                spinner.start();
                continue;

                break;
              }
              case 'cancel': {
                console.log('Installation cancelled.');
                process.exit(0);

                break;
              }
              case 'repair': {
                // Repair the expansion pack
                await this.repairExpansionPack(installDir, packId, pack, packIntegrity, spinner);
                continue;

                break;
              }
              // No default
            }
          } else if (versionCompare < 0) {
            console.log(chalk.cyan('   ⬆️  Upgrade available'));

            const { proceed } = await inquirer.prompt([
              {
                type: 'confirm',
                name: 'proceed',
                message: `Upgrade ${pack.name} from v${existingManifest.version} to v${pack.version}?`,
                default: true,
              },
            ]);

            if (!proceed) {
              spinner.start();
              continue;
            }
          } else {
            console.log(chalk.yellow('   ⬇️  Installed version is newer than available version'));

            const { action } = await inquirer.prompt([
              {
                type: 'list',
                name: 'action',
                message: 'What would you like to do?',
                choices: [
                  { name: 'Keep current version', value: 'skip' },
                  { name: 'Downgrade to available version', value: 'downgrade' },
                  { name: 'Cancel installation', value: 'cancel' },
                ],
              },
            ]);

            if (action === 'skip') {
              spinner.start();
              continue;
            } else if (action === 'cancel') {
              console.log('Installation cancelled.');
              process.exit(0);
            }
          }

          // If we get here, we're proceeding with installation
          spinner.start(`Removing old ${pack.name} installation...`);
          await fileManager.removeDirectory(expansionDotFolder);
        }

        const expansionPackDir = pack.path;

        // Ensure dedicated dot folder exists for this expansion pack
        expansionDotFolder = path.join(installDir, `.${packId}`);
        await fileManager.ensureDirectory(expansionDotFolder);

        // Define the folders to copy from expansion packs
        const foldersToSync = [
          'agents',
          'agent-teams',
          'templates',
          'tasks',
          'checklists',
          'workflows',
          'data',
          'utils',
          'schemas',
        ];

        // Copy each folder if it exists
        for (const folder of foldersToSync) {
          const sourceFolder = path.join(expansionPackDir, folder);

          // Check if folder exists in expansion pack
          if (await fileManager.pathExists(sourceFolder)) {
            // Get all files in this folder
            const files = await resourceLocator.findFiles('**/*', {
              cwd: sourceFolder,
              nodir: true,
            });

            // Copy each file to the expansion pack's dot folder with {root} replacement
            for (const file of files) {
              const sourcePath = path.join(sourceFolder, file);
              const destinationPath = path.join(expansionDotFolder, folder, file);

              const needsRootReplacement =
                file.endsWith('.md') || file.endsWith('.yaml') || file.endsWith('.yml');
              let success = false;

              success = await (needsRootReplacement
                ? fileManager.copyFileWithRootReplacement(sourcePath, destinationPath, `.${packId}`)
                : fileManager.copyFile(sourcePath, destinationPath));

              if (success) {
                installedFiles.push(path.join(`.${packId}`, folder, file));
              }
            }
          }
        }

        // Copy config.yaml with {root} replacement
        const configPath = path.join(expansionPackDir, 'config.yaml');
        if (await fileManager.pathExists(configPath)) {
          const configDestinationPath = path.join(expansionDotFolder, 'config.yaml');
          if (
            await fileManager.copyFileWithRootReplacement(
              configPath,
              configDestinationPath,
              `.${packId}`,
            )
          ) {
            installedFiles.push(path.join(`.${packId}`, 'config.yaml'));
          }
        }

        // Copy README if it exists with {root} replacement
        const readmePath = path.join(expansionPackDir, 'README.md');
        if (await fileManager.pathExists(readmePath)) {
          const readmeDestinationPath = path.join(expansionDotFolder, 'README.md');
          if (
            await fileManager.copyFileWithRootReplacement(
              readmePath,
              readmeDestinationPath,
              `.${packId}`,
            )
          ) {
            installedFiles.push(path.join(`.${packId}`, 'README.md'));
          }
        }

        // Copy common/ items to expansion pack folder
        spinner.text = `Copying common utilities to ${packId}...`;
        await this.copyCommonItems(installDir, `.${packId}`, spinner);

        // Check and resolve core dependencies
        await this.resolveExpansionPackCoreDependencies(
          installDir,
          expansionDotFolder,
          packId,
          pack,
          spinner,
        );

        // Check and resolve core agents referenced by teams
        await this.resolveExpansionPackCoreAgents(installDir, expansionDotFolder, packId, spinner);

        // Create manifest for this expansion pack
        spinner.text = `Creating manifest for ${packId}...`;
        const expansionConfig = {
          installType: 'expansion-pack',
          expansionPackId: packId,
          expansionPackName: pack.name,
          expansionPackVersion: pack.version,
          ides: config.ides || [], // Use ides_setup instead of ide_setup
        };

        // Get all files installed in this expansion pack
        const foundFiles = await resourceLocator.findFiles('**/*', {
          cwd: expansionDotFolder,
          nodir: true,
        });
        const expansionPackFiles = foundFiles.map((f) => path.join(`.${packId}`, f));

        await fileManager.createExpansionPackManifest(
          installDir,
          packId,
          expansionConfig,
          expansionPackFiles,
        );

        console.log(chalk.green(`✓ Installed expansion pack: ${pack.name} to ${`.${packId}`}`));
      } catch (error) {
        console.error(`Failed to install expansion pack ${packId}: ${error.message}`);
        console.error(`Stack trace: ${error.stack}`);
      }
    }

    return installedFiles;
  }

  async resolveExpansionPackCoreDependencies(
    installDir,
    expansionDotFolder,
    packId,
    pack,
    spinner,
  ) {
    const yaml = require('js-yaml');
    const fs = require('node:fs').promises;

    // Find all agent files in the expansion pack
    const agentFiles = await resourceLocator.findFiles('agents/*.md', {
      cwd: expansionDotFolder,
    });

    for (const agentFile of agentFiles) {
      const agentPath = path.join(expansionDotFolder, agentFile);
      const agentContent = await fs.readFile(agentPath, 'utf8');

      // Extract YAML frontmatter to check dependencies
      const yamlContent = extractYamlFromAgent(agentContent);
      if (yamlContent) {
        try {
          const agentConfig = yaml.load(yamlContent);
          const dependencies = agentConfig.dependencies || {};

          // Check for core dependencies (those that don't exist in the expansion pack)
          for (const depType of [
            'tasks',
            'templates',
            'checklists',
            'workflows',
            'utils',
            'data',
          ]) {
            const deps = dependencies[depType] || [];

            for (const dep of deps) {
              const depFileName =
                dep.endsWith('.md') || dep.endsWith('.yaml')
                  ? dep
                  : depType === 'templates'
                    ? `${dep}.yaml`
                    : `${dep}.md`;
              const expansionDepPath = path.join(expansionDotFolder, depType, depFileName);

              // Check if dependency exists in expansion pack dot folder
              if (!(await fileManager.pathExists(expansionDepPath))) {
                // Try to find it in expansion pack source
                const sourceDepPath = path.join(pack.path, depType, depFileName);

                if (await fileManager.pathExists(sourceDepPath)) {
                  // Copy from expansion pack source
                  spinner.text = `Copying ${packId} dependency ${dep}...`;
                  const destinationPath = path.join(expansionDotFolder, depType, depFileName);
                  await fileManager.copyFileWithRootReplacement(
                    sourceDepPath,
                    destinationPath,
                    `.${packId}`,
                  );