fix: remove Chinese tags and convert spaces to hyphens

Response to review: tags must be lowercase English with hyphens only.
No Chinese characters, no spaces.
Schema rule (PR MLT-OSS#175/MLT-OSS#176/MLT-OSS#178 lineage).

Author: firstdata-dev

firstdata/sources/china/governance/china-ggzy.json

@@ -21,34 +21,20 @@
   ],
   "update_frequency": "daily",
   "tags": [
-    "全国公共资源交易平台",
-    "GGZY",
-    "public resources trading",
-    "公共资源交易",
-    "政府采购",
-    "government procurement",
-    "工程招标",
-    "engineering bidding",
-    "招投标",
-    "bid tendering",
-    "国有资产",
-    "state-owned assets",
-    "产权交易",
-    "property rights trading",
-    "矿业权",
-    "mineral rights",
-    "国家发展改革委",
-    "NDRC",
-    "透明度",
+    "ggzy",
+    "public-resources-trading",
+    "government-procurement",
+    "engineering-bidding",
+    "bid-tendering",
+    "state-owned-assets",
+    "property-rights-trading",
+    "mineral-rights",
+    "ndrc",
     "transparency",
-    "反腐",
     "anti-corruption",
-    "合同授予",
-    "contract award",
-    "采购公告",
-    "procurement announcement",
-    "中标结果",
-    "bid results"
+    "contract-award",
+    "procurement-announcement",
+    "bid-results"
   ],
   "data_content": {
     "en": [

firstdata/sources/china/governance/china-pkulaw.json

@@ -21,38 +21,22 @@
   ],
   "update_frequency": "daily",
   "tags": [
-    "北大法宝",
-    "PKU Law",
-    "Peking University Law",
-    "中国法律",
-    "Chinese law",
-    "法律数据库",
-    "legal database",
-    "法规",
+    "pku-law",
+    "peking-university-law",
+    "chinese-law",
+    "legal-database",
     "regulations",
-    "司法解释",
-    "judicial interpretations",
-    "裁判文书",
-    "court judgments",
-    "地方法规",
-    "local regulations",
-    "立法",
+    "judicial-interpretations",
+    "court-judgments",
+    "local-regulations",
     "legislation",
-    "全国人大",
-    "NPC",
-    "国务院",
-    "State Council",
-    "法学期刊",
-    "legal journals",
-    "法条",
-    "legal provisions",
-    "行政法规",
-    "administrative regulations",
-    "规范性文件",
-    "normative documents",
-    "法律检索",
-    "legal research",
-    "合规",
+    "npc",
+    "state-council",
+    "legal-journals",
+    "legal-provisions",
+    "administrative-regulations",
+    "normative-documents",
+    "legal-research",
     "compliance"
   ],
   "data_content": {

firstdata/sources/china/industry/china-miit-eidc.json

@@ -21,35 +21,21 @@
   ],
   "update_frequency": "monthly",
   "tags": [
-    "工业和信息化部装备工业发展中心",
-    "MIIT",
-    "EIDC",
-    "装备制造",
-    "equipment manufacturing",
-    "高端装备",
-    "high-end equipment",
-    "机床",
-    "machine tools",
-    "工业机器人",
-    "industrial robots",
-    "轨道交通",
-    "rail transit equipment",
-    "航空航天装备",
-    "aerospace equipment",
-    "海洋工程",
-    "marine engineering",
-    "农业机械",
-    "agricultural machinery",
-    "中国制造2025",
-    "Made in China 2025",
-    "制造业",
+    "miit",
+    "eidc",
+    "equipment-manufacturing",
+    "high-end-equipment",
+    "machine-tools",
+    "industrial-robots",
+    "rail-transit-equipment",
+    "aerospace-equipment",
+    "marine-engineering",
+    "agricultural-machinery",
+    "made-in-china-2025",
     "manufacturing",
-    "工业统计",
-    "industrial statistics",
-    "产业分析",
-    "industry analysis",
-    "企业排名",
-    "enterprise rankings"
+    "industrial-statistics",
+    "industry-analysis",
+    "enterprise-rankings"
   ],
   "data_content": {
     "en": [

firstdata/sources/china/research/china-polar-service.json

@@ -22,44 +22,25 @@
   ],
   "update_frequency": "irregular",
   "tags": [
-    "中国极地业务服务平台",
-    "CHINARE",
-    "中国南极科学考察",
-    "China Antarctic Expedition",
-    "中国北极科学考察",
-    "China Arctic Expedition",
-    "南极",
-    "Antarctica",
-    "北极",
-    "Arctic",
-    "极地",
+    "chinare",
+    "china-antarctic-expedition",
+    "china-arctic-expedition",
+    "antarctica",
+    "arctic",
     "polar",
-    "中山站",
-    "Zhongshan Station",
-    "长城站",
-    "Great Wall Station",
-    "昆仑站",
-    "Kunlun Station",
-    "黄河站",
-    "Yellow River Station",
-    "冰川",
+    "zhongshan-station",
+    "great-wall-station",
+    "kunlun-station",
+    "yellow-river-station",
     "glacier",
-    "冰盖",
-    "ice sheet",
-    "海冰",
-    "sea ice",
-    "气候变化",
-    "climate change",
-    "冰冻圈",
+    "ice-sheet",
+    "sea-ice",
+    "climate-change",
     "cryosphere",
-    "海平面",
-    "sea level",
-    "极地大气",
-    "polar atmosphere",
-    "自然资源部",
-    "Ministry of Natural Resources",
-    "极地科学数据",
-    "polar science data"
+    "sea-level",
+    "polar-atmosphere",
+    "ministry-of-natural-resources",
+    "polar-science-data"
   ],
   "data_content": {
     "en": [

firstdata/sources/china/technology/standards/china-openstd.json

@@ -21,38 +21,22 @@
   ],
   "update_frequency": "irregular",
   "tags": [
-    "国家标准全文公开系统",
-    "国家标准",
-    "national standards",
-    "GB标准",
-    "GB standards",
-    "GB/T",
-    "推荐性标准",
-    "recommended standards",
-    "强制性标准",
-    "mandatory standards",
-    "市场监督管理总局",
-    "SAMR",
-    "标准化",
+    "national-standards",
+    "gb-standards",
+    "gb-t",
+    "recommended-standards",
+    "mandatory-standards",
+    "samr",
     "standardization",
-    "技术标准",
-    "technical standards",
-    "产品标准",
-    "product standards",
-    "安全标准",
-    "safety standards",
-    "环保标准",
-    "environmental standards",
-    "合规",
+    "technical-standards",
+    "product-standards",
+    "safety-standards",
+    "environmental-standards",
     "compliance",
-    "贸易壁垒",
-    "trade barriers",
-    "标准查询",
-    "standards search",
-    "工业标准",
-    "industrial standards",
-    "信息技术标准",
-    "IT standards"
+    "trade-barriers",
+    "standards-search",
+    "industrial-standards",
+    "it-standards"
   ],
   "data_content": {
     "en": [