refactor: 更新管理端页面元数据，统一国际化支持，移除冗余代码

src/i18n/locales/en/config.json

@@ -13,7 +13,23 @@
       "rebate": "Commission / rebate",
       "jackpot": "Jackpot pool",
       "risk-cap": "Payout caps"
-    }
+    },
+    "rulesPlaysTitle": "Play rules",
+    "rulesOddsTitle": "Odds & rebate",
+    "rulesOddsDescription": "Odds matrix and rebate rates on one page, sharing the same odds version line.",
+    "riskCapTitle": "Risk cap rules"
+  },
+  "hub": {
+    "title": "Operations configuration",
+    "description": "Jump to play rules, odds & rebate, jackpot, and risk cap by domain. The sidebar provides direct links; this page is an overview.",
+    "playsTitle": "Play rules",
+    "playsDesc": "Play switches, limits, and rule copy",
+    "oddsTitle": "Odds & rebate",
+    "oddsDesc": "Odds matrix and rebate rates in one version stream",
+    "jackpotTitle": "Jackpot",
+    "jackpotDesc": "Pool parameters and ledger records",
+    "riskCapTitle": "Risk cap rules",
+    "riskCapDesc": "Per-number payout caps and occupancy"
   },
   "versionStatus": {
     "active": "Active",
@@ -198,6 +214,7 @@
     }
   },
   "odds": {
+    "sectionHint": "Pick a version to edit prize-tier odds; publishing applies to new tickets immediately.",
     "tabs": {
       "all": "All"
     },
@@ -235,6 +252,8 @@
     }
   },
   "rebate": {
+    "sectionHint": "Rebate rates are stored in the odds version; select or create an odds draft in the section above first.",
+    "embeddedVersionHint": "Rebate shares the odds version line—switch versions in the Odds section above.",
     "sheetDescription": "Rebate is stored in the odds draft version and shares the same version set as odds.",
     "publishLabel": "Publish",
     "publishSuccess": "Published odds version with rebate",