pass linewidth 0 to avoid breaking lines

tools/cli/installers/lib/ide/codex-skills.js

@@ -125,7 +125,7 @@ class CodexSkillsSetup extends BaseIdeSetup {
       const skillContent = this.transformToSkillFormat(artifact.content, skillName);
 
       // Write SKILL.md
-      await fs.writeFile(path.join(skillDir, 'SKILL.md'), skillContent);
+      await fs.writeFile(path.join(skillDir, 'SKILL.md'), skillContent, 'utf8');
       writtenCount++;
     }
 
@@ -161,7 +161,7 @@ class CodexSkillsSetup extends BaseIdeSetup {
     }
 
     // Build new frontmatter with only skills-spec fields, let yaml handle quoting
-    const newFrontmatter = yaml.stringify({ name: skillName, description }).trimEnd();
+    const newFrontmatter = yaml.stringify({ name: skillName, description }, { lineWidth: 0 }).trimEnd();
     return `---\n${newFrontmatter}\n---\n${body}`;
   }
 

tools/cli/installers/lib/ide/platform-codes.yaml

@@ -51,14 +51,14 @@ platforms:
       template_type: windsurf
 
   codex:
-    name: "Codex (Deprecated)"
+    name: "Codex (Custom Prompts) (Deprecated)"
     preferred: false
     category: cli
     description: "OpenAI Codex integration (legacy custom prompts)"
     # No installer config - uses custom codex.js
 
   codex-skills:
-    name: "Codex"
+    name: "Codex (Skills)"
     preferred: true
     category: cli
     description: "OpenAI Codex integration (skills)"