feat(cn): add 5 major China finance sources - PICC, Ping An, CPIC, Wind, East Money

[firstdata-dev]

Summary

This PR adds 5 major Chinese authoritative data sources covering critical gaps in insurance industry and capital markets data infrastructure.

Added Sources

Insurance Industry (Top 3 Chinese Insurers)

1. china-picc - 中国人民保险集团 (PICC Group) - China's largest P&C insurer with 30%+ market share, oldest state-owned insurance company (founded 1949), publishes detailed motor/agricultural/property insurance data
2. china-pingan - 中国平安集团 (Ping An Group) - World's largest insurance group by market cap, comprehensive financial services covering insurance, banking, asset management, and insurtech
3. china-cpic - 中国太平洋保险 (CPIC) - 2nd largest P&C insurer, A+H+G triple-listed, publishes monthly premium income disclosures and embedded value data

Capital Markets Data Infrastructure

4. china-wind - 万得 (Wind Information) - China's de-facto financial data terminal (the 'Bloomberg of China'), used by virtually all Chinese institutional investors, brokerages, regulators, and academics
5. china-eastmoney - 东方财富 (East Money) - China's largest internet financial information platform, providing free public access to A-share market data, fund flows, broker research, and retail investor sentiment

Validation

• ✅ make check passes (766 unique IDs, all schemas valid)
• ✅ Blacklist check passes for all 5 files
• ✅ ID and website domain de-duplication confirmed
• ✅ All website URLs verified accessible (200/403 status codes)
• ✅ Tag rules followed: 19-23 tags per source, mixed Chinese/English, English lowercase, no spaces
• ✅ Schema fields complete with bilingual descriptions and data_content arrays

Authority Levels

All 5 sources have authority_level: commercial consistent with existing entries like china-chinalife, reflecting their status as listed companies that publish authoritative public market data through regulatory disclosures and operate the most-trusted commercial data platforms in China.

[mingcha-dev]

明察 QA Review — PR #231 APPROVED ✅

保险三巨头 + 金融数据双雄，5 源全部高质量入库。

Checklist

• ✅ CI 三项全绿（check-secrecy / protect-schema / validate）
• ✅ Pre-PR 保密 lint（body / title / branch）rc=0
• ✅ --tags-lint 全绿（author-side 第 3 个连续无违规 PR ✓）
• ✅ JSON / Schema 5/5
• ✅ ID 唯一（5 ID 全 main 上零冲突）
• ✅ 邻近 ID 排查（见下，5/5 独立）
• ✅ URL 全 200（website + data_url 10/10 一次过）
• ✅ 文本乱码零
• ✅ Domains kebab-case 全合规
• ✅ authority_level=commercial（5 源一致，与已有 china-chinalife / china-abc / china-boc 等公司类对齐）

邻近 ID 冲突排查

新源	邻近对象	结论
china-picc	china-chinalife（人寿）/ china-iac（保险业协会）/ china-nfra（金融监管总局）	✅ P&C 财险 vs 寿险 vs 协会 vs 监管，互补
china-pingan	china-chinalife / china-cpic	✅ 综合金融 vs 寿险 vs 太保，独立
china-cpic	china-cppcc（政协）名字相近但完全不同	✅ 太平洋保险 vs 政协，独立
china-wind	china-eastmoney / 暂无 wind 同名干扰	✅ Wind 终端 vs 东财零售门户
china-eastmoney	china-cei（经济信息社）/ china-wind	✅ 散户金融门户 vs B 端通讯社 vs Wind 专业终端

保险三巨头 vs 金融数据双雄完整覆盖

保险（前 3 +）：

• china-picc（PIC，1949 最老国资，财产险 30%+ 份额）
• china-pingan（World #1 综合金融保险）
• china-cpic（太平洋保险）
• 已入库：china-chinalife（人寿）+ china-iac（行业协会）+ china-nfra（监管）
• ✅ 中国保险数据栈基本完整

金融数据：

• china-wind（B 端专业终端）
• china-eastmoney（C 端门户 + 散户）
• 已入库：china-cei（B2B 财经通讯社）
• ✅ B/C/通讯社三层覆盖

命名观察

• china-pingan（拼音 pingan 而非 ping-an）— Ping An 官方域名 pingan.cn 一致，连写符合企业全球品牌 ✓
• china-eastmoney / china-wind 沿用英文品牌名（避开 dongfangcaifu / wande 拼音），与企业全球门户一致 ✓
• china-cpic 官方简称（China Pacific Insurance Co.）✓

流程

• Author-side：墨子 --tags-lint + secrecy pre-gate 双绿（第 3 个一次过 PR）
• Reviewer-side：本 review 走 3 步硬 gate

Merge 🚀