fix(parser): align ChatLab JSONL validation

Keep automatic format detection consistent with accepted JSONL syntax and reject unresolved owner metadata. Regenerate the standalone skill validators from the canonical implementation.

scripts/build-chatlab-skill-validator.mjs

@@ -100,7 +100,7 @@ try {
       '--target=node20',
       '--minify',
       `--outfile=${outputPath}`,
-      '--banner:js=#!/usr/bin/env node\n// Generated from the canonical ChatLab validator. Do not edit directly.',
+      '--banner:js=#!/usr/bin/env node\n// Generated from the canonical ChatLab validator. Do not edit directly.\n/* eslint-disable */',
     ],
     { cwd: rootDir, stdio: 'inherit' }
   )