Add OpenAI plugin submission bundle

Build a Codex-native OpenAI plugin with bundled hooks, public listing metadata, submission guidance, privacy coverage, and regression tests.

AI assistance: OpenAI Codex prepared and validated these changes under maintainer direction.

scripts/lib/transformers/factory.js

@@ -262,7 +262,13 @@ export function createTransformer(config) {
         const scriptsOutDir = path.join(skillDir, 'scripts');
         ensureDir(scriptsOutDir);
         for (const script of skill.scripts) {
-          writeFile(path.join(scriptsOutDir, script.name), script.content);
+          const scriptContent = replacePlaceholders(
+            script.content,
+            placeholderKey,
+            [],
+            allSkillNames,
+          );
+          writeFile(path.join(scriptsOutDir, script.name), scriptContent);
           scriptCount++;
         }
       }