feat: 账户设置后端 action、Safe 部署与设置引导弹窗复用

账户设置:
- 后端: execute-setup-step API（步骤1 Safe 一键部署/步骤2 启用交易/步骤3 代币授权）
- Safe 部署: Eip712Encoder SafeCreate/CreateProxy，RelayClientService.deploySafeViaBuilderRelayer
- BuilderRelayerApi: SignatureParams 增加 paymentToken/payment/paymentReceiver，TransactionRequest.nonce 可选
- 导入成功有未完成步骤时先弹设置引导再关导入弹窗；设置弹窗复用 AccountSetupStatusBlock(embedded)
- AccountSetupStatusBlock: 5s 轮询、embedded 模式、onAllCompleted、移除全部完成 Tag、授权信息始终展示且右对齐额度列
- 多语言: 步骤1/2/3 文案与 actionSuccess/actionFailed

CryptoTail:
- SpreadDirection/SpreadMode 枚举及 Converter，V38 迁移，策略列表与 api/types 调整

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/locales/en/common.json

@@ -13,6 +13,7 @@
     "success": "Success",
     "failed": "Failed",
     "confirm": "Confirm",
+    "later": "Later",
     "submit": "Submit",
     "reset": "Reset",
     "close": "Close",
@@ -237,6 +238,51 @@
       "select": "Select this proxy address"
     }
   },
+  "accountSetup": {
+    "title": "Account Setup Check",
+    "completed": "Completed",
+    "pending": "Pending",
+    "refresh": "Refresh Status",
+    "allCompleted": {
+      "title": "All Setup Completed",
+      "description": "Your account is ready to use all features."
+    },
+    "incomplete": {
+      "title": "Account Setup Incomplete",
+      "description": "Please complete the following setup steps to ensure your account works properly."
+    },
+    "step1": {
+      "title": "Deploy Proxy Wallet",
+      "description": "Proxy wallet is required for trading on Polymarket. Safe accounts can deploy with one click; Magic accounts will be redirected to Polymarket.",
+      "action": "Deploy Proxy Wallet"
+    },
+    "step2": {
+      "title": "Enable Trading",
+      "description": "API credentials are required for trading. Click the button below to let the system automatically obtain and save the API Key.",
+      "action": "Enable Trading (One-Click)"
+    },
+    "step3": {
+      "title": "Approve Tokens",
+      "description": "You need to authorize the proxy wallet to use your USDC tokens. Click the button below to complete token approval automatically.",
+      "action": "Approve Tokens (One-Click)"
+    },
+    "approvalDetails": {
+      "title": "Token Approval Details",
+      "CTF_CONTRACT": "CTF Contract",
+      "CTF_EXCHANGE": "CTF Exchange",
+      "NEG_RISK_EXCHANGE": "Neg Risk Exchange",
+      "NEG_RISK_ADAPTER": "Neg Risk Adapter",
+      "notApproved": "Not Approved",
+      "unlimited": "Unlimited"
+    },
+    "error": {
+      "title": "Check Failed",
+      "description": "Unable to check account setup status, please try again later."
+    },
+    "actionSuccess": "Operation successful",
+    "actionFailed": "Operation failed, please try again later",
+    "help": "Tip: After completing the setup, click the \"Refresh Status\" button to update the check results. If all steps are completed, you can use account features normally."
+  },
   "leader": {
     "title": "Leader Management",
     "leaderName": "Leader Name",
@@ -1452,13 +1498,17 @@
       "update": "Update",
       "timeWindowStartLEEnd": "Window start must not be greater than end",
       "timeWindowExceed": "Time window must not exceed period length",
-      "minSpreadMode": "Min spread",
-      "minSpreadModeTip": "Whether to place an order is based on the spread between open and close in the current period. Auto: system computes a suggested spread from the last 20 klines (updated each period); Fixed: you enter a value (e.g. 30), order only when spread ≥ that value; None: no spread check, order when price is in range.",
-      "minSpreadModeNone": "None",
-      "minSpreadModeFixed": "Fixed",
-      "minSpreadModeAuto": "Auto",
-      "minSpreadValue": "Min spread value (USDC)",
-      "minSpreadValuePlaceholder": "e.g. 30"
+      "spreadMode": "Spread",
+      "spreadModeTip": "Whether to place an order is based on the spread between open and close in the current period. Auto: system computes a suggested spread from the last 20 klines (updated each period); Fixed: you enter a value (e.g. 30); None: no spread check, order when price is in range.",
+      "spreadModeNone": "None",
+      "spreadModeFixed": "Fixed",
+      "spreadModeAuto": "Auto",
+      "spreadValue": "Spread value (USDC)",
+      "spreadValuePlaceholder": "e.g. 30",
+      "spreadDirection": "Spread Direction",
+      "spreadDirectionTip": "Min spread: trigger when spread ≥ configured value, buy price fixed at 0.99; Max spread: trigger when spread ≤ configured value, buy price = trigger price + 0.02 (suitable for low-price buying).",
+      "spreadDirectionMin": "Min Spread",
+      "spreadDirectionMax": "Max Spread"
     },
     "redeemRequiredModal": {
       "title": "Configure Auto Redeem First",