feat: configurable tool pricing, Sub2API channel, and alpha search billing

Add admin-configurable tool-call prices with cross-provider surcharge
settlement, Sub2API channel support, /v1/alpha/search relay, and usage-log
surcharge UI.

web/src/i18n/locales/en.json

@@ -2291,6 +2291,7 @@
     "Include Model": "Include Model",
     "Include Rule Name": "Include Rule Name",
     "Includes request rules": "Includes request rules",
+    "Includes tool-call surcharge": "Includes tool-call surcharge",
     "Including failed requests, 0 = unlimited": "Including failed requests, 0 = unlimited",
     "Incoming path": "Incoming path",
     "Incoming path is required": "Incoming path is required",

web/src/i18n/locales/fr.json

@@ -2291,6 +2291,7 @@
     "Include Model": "Inclure le modèle",
     "Include Rule Name": "Inclure le nom de la règle",
     "Includes request rules": "Inclut des règles de requête",
+    "Includes tool-call surcharge": "Inclut un supplément pour appel d’outil",
     "Including failed requests, 0 = unlimited": "Y compris les requêtes échouées, 0 = illimité",
     "Incoming path": "Chemin entrant",
     "Incoming path is required": "Le chemin entrant est requis",

web/src/i18n/locales/ja.json

@@ -2291,6 +2291,7 @@
     "Include Model": "モデルを含む",
     "Include Rule Name": "ルール名を含む",
     "Includes request rules": "リクエストルールを含む",
+    "Includes tool-call surcharge": "ツール呼び出しの追加料金を含む",
     "Including failed requests, 0 = unlimited": "失敗したリクエストを含む、0 = 無制限",
     "Incoming path": "受信パス",
     "Incoming path is required": "受信パスは必須です",

web/src/i18n/locales/ru.json

@@ -2291,6 +2291,7 @@
     "Include Model": "Включить модель",
     "Include Rule Name": "Включить имя правила",
     "Includes request rules": "Включает правила запросов",
+    "Includes tool-call surcharge": "Включает доплату за вызов инструмента",
     "Including failed requests, 0 = unlimited": "Включая неудачные запросы, 0 = без ограничений",
     "Incoming path": "Входящий путь",
     "Incoming path is required": "Входящий путь обязателен",

web/src/i18n/locales/vi.json

@@ -2291,6 +2291,7 @@
     "Include Model": "Bao gồm mô hình",
     "Include Rule Name": "Bao gồm tên quy tắc",
     "Includes request rules": "Bao gồm quy tắc yêu cầu",
+    "Includes tool-call surcharge": "Bao gồm phụ phí gọi công cụ",
     "Including failed requests, 0 = unlimited": "Bao gồm các yêu cầu thất bại, 0 = không giới hạn",
     "Incoming path": "Path đầu vào",
     "Incoming path is required": "Bắt buộc path đầu vào",

web/src/i18n/locales/zh-TW.json

@@ -2291,6 +2291,7 @@
     "Include Model": "包含模型",
     "Include Rule Name": "包含規則名",
     "Includes request rules": "包含請求規則",
+    "Includes tool-call surcharge": "包含工具呼叫附加費",
     "Including failed requests, 0 = unlimited": "包括失敗的請求，0 = 無限制",
     "Incoming path": "入口路徑",
     "Incoming path is required": "入口路徑不能為空",

web/src/i18n/locales/zh.json

@@ -2291,6 +2291,7 @@
     "Include Model": "包含模型",
     "Include Rule Name": "包含规则名",
     "Includes request rules": "包含请求规则",
+    "Includes tool-call surcharge": "包含工具调用附加费",
     "Including failed requests, 0 = unlimited": "包括失败的请求，0 = 无限制",
     "Incoming path": "入口路径",
     "Incoming path is required": "入口路径不能为空",