fix: repair invalid JSON structure in ai-code-vulnerabilities.json

data/ai-code-vulnerabilities.json

@@ -73,6 +73,8 @@
       "disclosure_date": "2025-12-11",
       "source_url": "https://nvd.nist.gov/vuln/detail/CVE-2025-34291",
       "status": "Patched"
+          }
+  ],
   "vulnerability_categories": [
     {
       "cwe_id": "CWE-78",
@@ -258,5 +260,4 @@
     "note": "Version 2.0 adds real CVE mappings and AI-tool-specific vulnerability tracking. Prevalence scores based on independent security evaluations."
   }
 }
-    }
-  ],
+