Revert "feat(codex): install GSD commands as prompts for '/' menu discoverability"

This reverts commit db1d003d86.

bin/install.js

@@ -1038,102 +1038,6 @@ function uninstallCodexSkills(configDir) {
   return count;
 }
 
-/**
- * Install GSD commands as Codex prompts (legacy UI discoverability).
- * Each commands/gsd/<name>.md becomes ~/.codex/prompts/gsd_<name>.md
- * Invoked in Codex UI as /prompts:gsd_<name>
- *
- * Prompts are the deprecated predecessor to skills, but remain functional
- * and appear in the '/' command menu — unlike skills which use '$' syntax.
- *
- * @param {string} srcDir - Source commands/gsd/ directory
- * @param {string} configDir - Codex config dir (e.g. ~/.codex)
- * @param {string} pathPrefix - Path prefix for file references
- * @param {string} runtime - 'codex'
- */
-function installCodexPrompts(srcDir, configDir, pathPrefix, runtime) {
-  if (!fs.existsSync(srcDir)) return 0;
-
-  const promptsDir = path.join(configDir, 'prompts');
-
-  // Remove existing gsd_*.md prompt files (clean install)
-  if (fs.existsSync(promptsDir)) {
-    for (const file of fs.readdirSync(promptsDir)) {
-      if (file.startsWith('gsd_') && file.endsWith('.md')) {
-        fs.unlinkSync(path.join(promptsDir, file));
-      }
-    }
-  }
-
-  fs.mkdirSync(promptsDir, { recursive: true });
-
-  let count = 0;
-
-  function processDir(dir, nameSegments) {
-    const entries = fs.readdirSync(dir, { withFileTypes: true });
-    for (const entry of entries) {
-      const entryPath = path.join(dir, entry.name);
-      if (entry.isDirectory()) {
-        processDir(entryPath, nameSegments.concat(entry.name));
-      } else if (entry.name.endsWith('.md')) {
-        const baseName = entry.name.replace('.md', '');
-        const rawName = nameSegments.concat(baseName).join('_');
-        const promptName = `gsd_${rawName}`;
-
-        let content = fs.readFileSync(entryPath, 'utf8');
-        // Apply path replacements
-        content = content.replace(/~\/\.claude\//g, pathPrefix);
-        content = content.replace(/\.\/\.claude\//g, './.codex/');
-        content = processAttribution(content, getCommitAttribution(runtime));
-        content = convertClaudeToCodexPrompt(content);
-
-        fs.writeFileSync(path.join(promptsDir, `${promptName}.md`), content);
-        count++;
-      }
-    }
-  }
-
-  processDir(srcDir, []);
-  return count;
-}
-
-/**
- * Convert a Claude Code GSD command to Codex prompts format.
- * Codex prompts support: description, argument-hint in frontmatter.
- * Everything else (name, allowed-tools, color) is stripped.
- */
-function convertClaudeToCodexPrompt(content) {
-  if (!content.startsWith('---')) {
-    return content;
-  }
-
-  const endIndex = content.indexOf('---', 3);
-  if (endIndex === -1) {
-    return content;
-  }
-
-  const frontmatter = content.substring(3, endIndex).trim();
-  const body = content.substring(endIndex + 3);
-
-  let description = '';
-  let argumentHint = '';
-  for (const line of frontmatter.split('\n')) {
-    const trimmed = line.trim();
-    if (trimmed.startsWith('description:')) {
-      description = trimmed.substring(12).trim();
-    } else if (trimmed.startsWith('argument-hint:')) {
-      argumentHint = trimmed.substring(14).trim();
-    }
-  }
-
-  const fmLines = [];
-  if (description) fmLines.push(`description: ${description}`);
-  if (argumentHint) fmLines.push(`argument-hint: ${argumentHint}`);
-
-  const newFrontmatter = fmLines.length > 0 ? fmLines.join('\n') : '';
-  return newFrontmatter ? `---\n${newFrontmatter}\n---${body}` : body.trimStart();
-}
-
 /**
  * Copy commands to a flat structure for OpenCode
  * OpenCode expects: command/gsd-help.md (invoked as /gsd-help)
@@ -1272,6 +1176,21 @@ function cleanupOrphanedFiles(configDir) {
     }
   }
 
+  // Codex: remove old-format gsd_*.md prompts (pre-skills install format)
+  // These show up as /prompts:gsd_* in the Codex UI and conflict with the new skills system
+  const promptsDir = path.join(configDir, 'prompts');
+  if (fs.existsSync(promptsDir)) {
+    let removed = 0;
+    for (const file of fs.readdirSync(promptsDir)) {
+      if (file.startsWith('gsd_') && file.endsWith('.md')) {
+        fs.unlinkSync(path.join(promptsDir, file));
+        removed++;
+      }
+    }
+    if (removed > 0) {
+      console.log(`  ${green}✓${reset} Removed ${removed} old GSD prompts (migrated to skills)`);
+    }
+  }
 }
 
 /**
@@ -1928,16 +1847,6 @@ function install(isGlobal, runtime = 'claude') {
     } else {
       failures.push('skills/gsd-*');
     }
-
-    // Also install as prompts for '/' menu discoverability
-    // Skills use '$gsd-*' syntax; prompts appear in the '/' command menu as /prompts:gsd_*
-    const promptCount = installCodexPrompts(gsdSrc, targetDir, pathPrefix, runtime);
-    const promptsDir = path.join(targetDir, 'prompts');
-    if (verifyInstalled(promptsDir, 'prompts/gsd_*')) {
-      console.log(`  ${green}✓${reset} Installed ${promptCount} prompts to prompts/`);
-    } else {
-      failures.push('prompts/gsd_*');
-    }
   } else if (isOpencode) {
     // OpenCode uses 'command/' (singular) with flat structure
     const commandDir = path.join(targetDir, 'command');