fix: hide internal workflow task from codex exports

test/test-installation-components.js

@@ -21,6 +21,7 @@ const { ManifestGenerator } = require('../tools/cli/installers/lib/core/manifest
 const { WorkflowCommandGenerator } = require('../tools/cli/installers/lib/ide/shared/workflow-command-generator');
 const { TaskToolCommandGenerator } = require('../tools/cli/installers/lib/ide/shared/task-tool-command-generator');
 const { IdeManager } = require('../tools/cli/installers/lib/ide/manager');
+const { CodexSetup } = require('../tools/cli/installers/lib/ide/codex');
 const { ModuleManager } = require('../tools/cli/installers/lib/modules/manager');
 const { BMAD_FOLDER_NAME } = require('../tools/cli/installers/lib/ide/shared/path-utils');
 
@@ -707,6 +708,40 @@ internal: true
 
   console.log('');
 
+  // ============================================================
+  // Test 18: Codex Task Visibility Guard
+  // ============================================================
+  console.log(`${colors.yellow}Test Suite 18: Codex Task Visibility Guard${colors.reset}\n`);
+
+  try {
+    const tmpRoot = await fs.mkdtemp(path.join(os.tmpdir(), 'bmad-codex-visibility-'));
+    const projectDir = path.join(tmpRoot, 'project');
+    const bmadDir = path.join(tmpRoot, BMAD_FOLDER_NAME);
+    await fs.ensureDir(projectDir);
+    await fs.copy(path.join(projectRoot, 'src', 'core'), path.join(bmadDir, 'core'));
+    await fs.copy(path.join(projectRoot, 'src', 'bmm'), path.join(bmadDir, 'bmm'));
+
+    const manifestGenerator = new ManifestGenerator();
+    await manifestGenerator.generateManifests(bmadDir, ['bmm'], [], { ides: ['codex'] });
+
+    const codexSetup = new CodexSetup();
+    await codexSetup.setup(projectDir, bmadDir, {
+      selectedModules: ['bmm'],
+      preCollectedConfig: { installLocation: 'project' },
+    });
+
+    const promptsDir = path.join(projectDir, '.codex', 'prompts');
+    const generated = await fs.readdir(promptsDir);
+
+    assert(!generated.includes('bmad-workflow.md'), 'Codex export excludes internal workflow runner task prompt', generated.join(', '));
+
+    await fs.remove(tmpRoot);
+  } catch (error) {
+    assert(false, 'Codex task visibility guard runs', error.message);
+  }
+
+  console.log('');
+
   // ============================================================
   // Summary
   // ============================================================

tools/cli/installers/lib/ide/shared/bmad-artifacts.js

@@ -1,5 +1,6 @@
 const path = require('node:path');
 const fs = require('fs-extra');
+const yaml = require('yaml');
 
 /**
  * Helpers for gathering BMAD agents/tasks from the installed tree.
@@ -149,8 +150,33 @@ async function getTasksFromDir(dirPath, moduleName) {
     const filePath = path.join(dirPath, file);
     const content = await fs.readFile(filePath, 'utf8');
 
-    // Skip internal/engine files (not user-facing tasks)
+    let isInternal = false;
-    if (content.includes('internal="true"')) {
+    let isStandalone = true;
+
+    if (file.endsWith('.md')) {
+      // Parse markdown frontmatter for standalone/internal flags.
+      const frontmatterMatch = content.match(/^---\r?\n([\s\S]*?)\r?\n---/);
+      if (frontmatterMatch) {
+        try {
+          const frontmatter = yaml.parse(frontmatterMatch[1]) || {};
+          isInternal = frontmatter.internal === true || frontmatter.internal === 'true';
+          if (frontmatter.standalone === false || frontmatter.standalone === 'false') {
+            isStandalone = false;
+          }
+        } catch {
+          // Keep defaults when frontmatter parsing fails.
+        }
+      }
+    } else {
+      // XML tasks rely on attributes for standalone/internal visibility.
+      isInternal = /internal\s*=\s*["']true["']/i.test(content);
+      if (/standalone\s*=\s*["']false["']/i.test(content)) {
+        isStandalone = false;
+      }
+    }
+
+    // Skip internal/engine or explicitly non-standalone tasks.
+    if (isInternal || !isStandalone) {
       continue;
     }