chore: add latest defense research evidence

Cai

2026-08-02 6ea2b13f4c9d71e394ac86bc1242f9a86904261a

1
{"success":true,"result":{"data":[{"SECURITY_CODE":"001270","REPORT_DATE":"2026-08-01","RATING_ORG_NUM":4,"YEAR1":2026,"YEAR1_NET_PROFIT":170666666.67}]}}