fix(i18n): move fetchModels keys from copilot to providerForm namespace

src/i18n/locales/en.json

@@ -790,7 +790,12 @@
     "categoryOfficial": "Official",
     "categoryCnOfficial": "Opensource Official",
     "categoryAggregation": "Aggregation",
-    "categoryThirdParty": "Third Party"
+    "categoryThirdParty": "Third Party",
+    "fetchModels": "Fetch Models",
+    "fetchingModels": "Fetching...",
+    "fetchModelsSuccess": "Found {{count}} models",
+    "fetchModelsFailed": "Failed to fetch models",
+    "fetchModelsEmpty": "No models found"
   },
   "copilot": {
     "authSection": "GitHub Copilot Authentication",
@@ -820,12 +825,7 @@
     "retry": "Retry",
     "copyCode": "Copy code",
     "migrationFailed": "Legacy auth migration failed: {{error}}",
-    "loadModelsFailed": "Failed to load Copilot models",
-    "fetchModels": "Fetch Models",
-    "fetchingModels": "Fetching...",
-    "fetchModelsSuccess": "Found {{count}} models",
-    "fetchModelsFailed": "Failed to fetch models",
-    "fetchModelsEmpty": "No models found"
+    "loadModelsFailed": "Failed to load Copilot models"
   },
   "endpointTest": {
     "title": "API Endpoint Management",

src/i18n/locales/ja.json

@@ -790,7 +790,12 @@
     "categoryOfficial": "公式",
     "categoryCnOfficial": "オープンソース公式",
     "categoryAggregation": "アグリゲーター",
-    "categoryThirdParty": "サードパーティ"
+    "categoryThirdParty": "サードパーティ",
+    "fetchModels": "モデル一覧を取得",
+    "fetchingModels": "取得中...",
+    "fetchModelsSuccess": "{{count}}件のモデルを取得",
+    "fetchModelsFailed": "モデル一覧の取得に失敗しました",
+    "fetchModelsEmpty": "モデルが見つかりません"
   },
   "copilot": {
     "authSection": "GitHub Copilot 認証",
@@ -820,12 +825,7 @@
     "retry": "再試行",
     "copyCode": "コードをコピー",
     "migrationFailed": "旧認証データの移行に失敗しました: {{error}}",
-    "loadModelsFailed": "Copilot モデル一覧の読み込みに失敗しました",
-    "fetchModels": "モデル一覧を取得",
-    "fetchingModels": "取得中...",
-    "fetchModelsSuccess": "{{count}}件のモデルを取得",
-    "fetchModelsFailed": "モデル一覧の取得に失敗しました",
-    "fetchModelsEmpty": "モデルが見つかりません"
+    "loadModelsFailed": "Copilot モデル一覧の読み込みに失敗しました"
   },
   "endpointTest": {
     "title": "API エンドポイント管理",

src/i18n/locales/zh.json

@@ -790,7 +790,12 @@
     "categoryOfficial": "官方",
     "categoryCnOfficial": "开源官方",
     "categoryAggregation": "聚合服务",
-    "categoryThirdParty": "第三方"
+    "categoryThirdParty": "第三方",
+    "fetchModels": "获取模型列表",
+    "fetchingModels": "正在获取...",
+    "fetchModelsSuccess": "获取到 {{count}} 个模型",
+    "fetchModelsFailed": "获取模型列表失败",
+    "fetchModelsEmpty": "未找到可用模型"
   },
   "copilot": {
     "authSection": "GitHub Copilot 认证",
@@ -820,12 +825,7 @@
     "retry": "重试",
     "copyCode": "复制代码",
     "migrationFailed": "旧认证数据迁移失败：{{error}}",
-    "loadModelsFailed": "加载 Copilot 模型列表失败",
-    "fetchModels": "获取模型列表",
-    "fetchingModels": "正在获取...",
-    "fetchModelsSuccess": "获取到 {{count}} 个模型",
-    "fetchModelsFailed": "获取模型列表失败",
-    "fetchModelsEmpty": "未找到可用模型"
+    "loadModelsFailed": "加载 Copilot 模型列表失败"
   },
   "endpointTest": {
     "title": "请求地址管理",