fix(usage): add fallback to provider config for usage credentials (#360)

- Make usage script credential fields optional with provider config fallback
- Optimize multi-plan card display: show plan count by default, expandable for details
- Add hint text to explain credential fallback mechanism

src/i18n/locales/en.json

@@ -365,7 +365,10 @@
     "justNow": "Just now",
     "minutesAgo": "{{count}} min ago",
     "hoursAgo": "{{count}} hr ago",
-    "daysAgo": "{{count}} day ago"
+    "daysAgo": "{{count}} day ago",
+    "multiplePlans": "{{count}} plans",
+    "expand": "Expand",
+    "collapse": "Collapse"
   },
   "usageScript": {
     "title": "Configure Usage Query",
@@ -378,6 +381,10 @@
     "templateGeneral": "General",
     "templateNewAPI": "NewAPI",
     "credentialsConfig": "Credentials",
+    "credentialsHint": "Leave empty to use provider config",
+    "optional": "optional",
+    "apiKeyPlaceholder": "Leave empty to use provider's API Key",
+    "baseUrlPlaceholder": "Leave empty to use provider's base URL",
     "baseUrl": "Base URL",
     "accessToken": "Access Token",
     "accessTokenPlaceholder": "Generate in 'Security Settings'",

src/i18n/locales/ja.json

@@ -365,7 +365,10 @@
     "justNow": "たった今",
     "minutesAgo": "{{count}} 分前",
     "hoursAgo": "{{count}} 時間前",
-    "daysAgo": "{{count}} 日前"
+    "daysAgo": "{{count}} 日前",
+    "multiplePlans": "{{count}} プラン",
+    "expand": "展開",
+    "collapse": "折りたたむ"
   },
   "usageScript": {
     "title": "利用状況を設定",
@@ -378,6 +381,10 @@
     "templateGeneral": "General",
     "templateNewAPI": "NewAPI",
     "credentialsConfig": "認証情報",
+    "credentialsHint": "空欄の場合はプロバイダー設定を使用",
+    "optional": "オプション",
+    "apiKeyPlaceholder": "空欄の場合はプロバイダーの API Key を使用",
+    "baseUrlPlaceholder": "空欄の場合はプロバイダーの Base URL を使用",
     "baseUrl": "Base URL",
     "accessToken": "Access Token",
     "accessTokenPlaceholder": "「Security Settings」で生成",

src/i18n/locales/zh.json

@@ -365,7 +365,10 @@
     "justNow": "刚刚",
     "minutesAgo": "{{count}} 分钟前",
     "hoursAgo": "{{count}} 小时前",
-    "daysAgo": "{{count}} 天前"
+    "daysAgo": "{{count}} 天前",
+    "multiplePlans": "{{count}} 个套餐",
+    "expand": "展开",
+    "collapse": "收起"
   },
   "usageScript": {
     "title": "配置用量查询",
@@ -378,6 +381,10 @@
     "templateGeneral": "通用模板",
     "templateNewAPI": "NewAPI",
     "credentialsConfig": "凭证配置",
+    "credentialsHint": "留空则自动使用供应商配置",
+    "optional": "可选",
+    "apiKeyPlaceholder": "留空则使用供应商的 API Key",
+    "baseUrlPlaceholder": "留空则使用供应商的请求地址",
     "baseUrl": "请求地址",
     "accessToken": "访问令牌（在个人安全设置里获取）",
     "accessTokenPlaceholder": "在'安全设置'里生成",