feat(ui): add Gemini Native provider preset and api format option

- Add gemini_native to ClaudeApiFormat type and ProviderMeta.apiFormat
- Add "Gemini Native" provider preset with default Google AI endpoints
- Show Gemini-specific endpoint hints and full-URL mode guidance
- Add gemini_native option to API format selector in ClaudeFormFields
- Add i18n strings for zh/en/ja

src/components/providers/forms/ClaudeFormFields.tsx

@@ -106,7 +106,7 @@ interface ClaudeFormFieldsProps {
   // Speed Test Endpoints
   speedTestEndpoints: EndpointCandidate[];
 
-  // API Format (for third-party providers that use OpenAI Chat Completions format)
+  // API Format (for Claude-compatible providers that need request/response conversion)
   apiFormat: ClaudeApiFormat;
   onApiFormatChange: (format: ClaudeApiFormat) => void;
 
@@ -418,7 +418,14 @@ export function ClaudeFormFields({
               ? t("providerForm.apiHintResponses")
               : apiFormat === "openai_chat"
                 ? t("providerForm.apiHintOAI")
-                : t("providerForm.apiHint")
+                : apiFormat === "gemini_native"
+                  ? t("providerForm.apiHintGeminiNative")
+                  : t("providerForm.apiHint")
+          }
+          fullUrlHint={
+            apiFormat === "gemini_native"
+              ? t("providerForm.fullUrlHintGeminiNative")
+              : undefined
           }
           onManageClick={() => onEndpointModalToggle(true)}
           showFullUrlToggle={true}
@@ -493,6 +500,11 @@ export function ClaudeFormFields({
                         defaultValue: "OpenAI Responses API (需转换)",
                       })}
                     </SelectItem>
+                    <SelectItem value="gemini_native">
+                      {t("providerForm.apiFormatGeminiNative", {
+                        defaultValue: "Gemini Native generateContent (需转换)",
+                      })}
+                    </SelectItem>
                   </SelectContent>
                 </Select>
                 <p className="text-xs text-muted-foreground">

src/components/providers/forms/shared/EndpointField.tsx

@@ -11,6 +11,7 @@ interface EndpointFieldProps {
   onChange: (value: string) => void;
   placeholder: string;
   hint?: string;
+  fullUrlHint?: string;
   showManageButton?: boolean;
   onManageClick?: () => void;
   manageButtonLabel?: string;
@@ -26,6 +27,7 @@ export function EndpointField({
   onChange,
   placeholder,
   hint,
+  fullUrlHint,
   showManageButton = true,
   onManageClick,
   manageButtonLabel,
@@ -40,7 +42,8 @@ export function EndpointField({
   });
   const effectiveHint =
     showFullUrlToggle && isFullUrl
-      ? t("providerForm.fullUrlHint", {
+      ? fullUrlHint ||
+        t("providerForm.fullUrlHint", {
           defaultValue:
             "💡 请填写完整请求 URL，并且必须开启代理后使用；代理将直接使用此 URL，不拼接路径",
         })

src/config/claudeProviderPresets.ts

@@ -49,7 +49,12 @@ export interface ProviderPreset {
   // - "anthropic" (默认): Anthropic Messages API 格式，直接透传
   // - "openai_chat": OpenAI Chat Completions 格式，需要格式转换
   // - "openai_responses": OpenAI Responses API 格式，需要格式转换
-  apiFormat?: "anthropic" | "openai_chat" | "openai_responses";
+  // - "gemini_native": Gemini Native generateContent API 格式，需要格式转换
+  apiFormat?:
+    | "anthropic"
+    | "openai_chat"
+    | "openai_responses"
+    | "gemini_native";
 
   // 供应商类型标识（用于特殊供应商检测）
   // - "github_copilot": GitHub Copilot 供应商（需要 OAuth 认证）
@@ -79,6 +84,27 @@ export const providerPresets: ProviderPreset[] = [
     icon: "anthropic",
     iconColor: "#D4915D",
   },
+  {
+    name: "Gemini Native",
+    websiteUrl: "https://ai.google.dev/gemini-api",
+    apiKeyUrl: "https://aistudio.google.com/app/apikey",
+    apiKeyField: "ANTHROPIC_API_KEY",
+    settingsConfig: {
+      env: {
+        ANTHROPIC_BASE_URL: "https://generativelanguage.googleapis.com",
+        ANTHROPIC_API_KEY: "",
+        ANTHROPIC_MODEL: "gemini-2.5-pro",
+        ANTHROPIC_DEFAULT_HAIKU_MODEL: "gemini-2.5-flash",
+        ANTHROPIC_DEFAULT_SONNET_MODEL: "gemini-2.5-pro",
+        ANTHROPIC_DEFAULT_OPUS_MODEL: "gemini-2.5-pro",
+      },
+    },
+    category: "third_party",
+    apiFormat: "gemini_native",
+    endpointCandidates: ["https://generativelanguage.googleapis.com"],
+    icon: "gemini",
+    iconColor: "#4285F4",
+  },
   {
     name: "DeepSeek",
     websiteUrl: "https://platform.deepseek.com",

src/i18n/locales/en.json

@@ -746,6 +746,7 @@
     "modelHint": "💡 Leave blank to use provider's default model",
     "apiHint": "💡 Fill in Claude API compatible service endpoint, avoid trailing slash",
     "apiHintOAI": "💡 Fill in OpenAI Chat Completions compatible service endpoint, avoid trailing slash",
+    "apiHintGeminiNative": "💡 Prefer a Gemini Native base URL such as https://generativelanguage.googleapis.com or https://generativelanguage.googleapis.com/v1beta; the proxy will append models/*:generateContent automatically",
     "codexApiHint": "💡 Fill in service endpoint compatible with OpenAI Response format",
     "fillSupplierName": "Please fill in provider name",
     "fillConfigContent": "Please fill in configuration content",
@@ -768,9 +769,11 @@
     "fullUrlEnabled": "Full URL Mode",
     "fullUrlDisabled": "Mark as Full URL",
     "fullUrlHint": "💡 Enter the full request URL. This mode requires the proxy to be enabled, and the proxy will use the URL as-is without appending a path",
+    "fullUrlHintGeminiNative": "💡 In Gemini Native full URL mode, two inputs are supported: 1. official/structured Gemini URLs, which will still be normalized to the requested model and streaming method; 2. opaque custom relay URLs, which will be used mostly as-is with only query parameters appended",
     "apiFormatAnthropic": "Anthropic Messages (Native)",
     "apiFormatOpenAIChat": "OpenAI Chat Completions (Requires proxy)",
     "apiFormatOpenAIResponses": "OpenAI Responses API (Requires proxy)",
+    "apiFormatGeminiNative": "Gemini Native generateContent (Requires proxy)",
     "authField": "Auth Field",
     "authFieldAuthToken": "ANTHROPIC_AUTH_TOKEN (Default)",
     "authFieldApiKey": "ANTHROPIC_API_KEY",

src/i18n/locales/ja.json

@@ -746,6 +746,7 @@
     "modelHint": "💡 空欄ならプロバイダーのデフォルトモデルを使用します",
     "apiHint": "💡 Claude API 互換サービスのエンドポイントを入力してください。末尾にスラッシュを付けないでください",
     "apiHintOAI": "💡 OpenAI Chat Completions 互換サービスのエンドポイントを入力してください。末尾にスラッシュを付けないでください",
+    "apiHintGeminiNative": "💡 Gemini Native では https://generativelanguage.googleapis.com または https://generativelanguage.googleapis.com/v1beta のような base URL を推奨します。プロキシが models/*:generateContent を自動補完します",
     "codexApiHint": "💡 OpenAI Response 互換のサービスエンドポイントを入力してください",
     "fillSupplierName": "プロバイダー名を入力してください",
     "fillConfigContent": "設定内容を入力してください",
@@ -768,9 +769,11 @@
     "fullUrlEnabled": "フル URL モード",
     "fullUrlDisabled": "フル URL として設定",
     "fullUrlHint": "💡 完全なリクエスト URL を入力してください。このモードはプロキシを有効にして使用する必要があり、プロキシはこの URL をそのまま使用し、パスを追加しません",
+    "fullUrlHintGeminiNative": "💡 Gemini Native のフル URL モードでは 2 種類の入力を扱えます。1. 公式/構造化された Gemini URL は、要求されたモデルやストリーミング方式に合わせて正規化されます。2. カスタム relay の opaque な完全 URL は、主にそのまま使用され、必要なクエリだけ追加されます",
     "apiFormatAnthropic": "Anthropic Messages（ネイティブ）",
     "apiFormatOpenAIChat": "OpenAI Chat Completions（プロキシが必要）",
     "apiFormatOpenAIResponses": "OpenAI Responses API（プロキシが必要）",
+    "apiFormatGeminiNative": "Gemini Native generateContent（プロキシが必要）",
     "authField": "認証フィールド",
     "authFieldAuthToken": "ANTHROPIC_AUTH_TOKEN（デフォルト）",
     "authFieldApiKey": "ANTHROPIC_API_KEY",

src/i18n/locales/zh.json

@@ -746,6 +746,7 @@
     "modelHint": "💡 留空将使用供应商的默认模型",
     "apiHint": "💡 填写兼容 Claude API 的服务端点地址，不要以斜杠结尾",
     "apiHintOAI": "💡 填写兼容 OpenAI Chat Completions 的服务端点地址，不要以斜杠结尾",
+    "apiHintGeminiNative": "💡 建议填写 Gemini Native 的 base URL，例如 https://generativelanguage.googleapis.com 或 https://generativelanguage.googleapis.com/v1beta；代理会自动补全 models/*:generateContent",
     "codexApiHint": "💡 填写兼容 OpenAI Response 格式的服务端点地址",
     "fillSupplierName": "请填写供应商名称",
     "fillConfigContent": "请填写配置内容",
@@ -768,9 +769,11 @@
     "fullUrlEnabled": "完整 URL 模式",
     "fullUrlDisabled": "标记为完整 URL",
     "fullUrlHint": "💡 请填写完整请求 URL，并且必须开启代理后使用；代理将直接使用此 URL，不拼接路径",
+    "fullUrlHintGeminiNative": "💡 Gemini Native 下，完整 URL 模式同时兼容两类地址：1. 官方/标准 Gemini URL，代理会按模型和流式参数自动归一化；2. 自定义 relay 的完整 URL，代理会尽量原样使用，只补查询参数，不再强行追加 models 路径",
     "apiFormatAnthropic": "Anthropic Messages (原生)",
     "apiFormatOpenAIChat": "OpenAI Chat Completions (需开启代理)",
     "apiFormatOpenAIResponses": "OpenAI Responses API (需开启代理)",
+    "apiFormatGeminiNative": "Gemini Native generateContent (需开启代理)",
     "authField": "认证字段",
     "authFieldAuthToken": "ANTHROPIC_AUTH_TOKEN（默认）",
     "authFieldApiKey": "ANTHROPIC_API_KEY",

src/types.ts

@@ -159,7 +159,12 @@ export interface ProviderMeta {
   // - "anthropic": 原生 Anthropic Messages API 格式，直接透传
   // - "openai_chat": OpenAI Chat Completions 格式，需要格式转换
   // - "openai_responses": OpenAI Responses API 格式，需要格式转换
-  apiFormat?: "anthropic" | "openai_chat" | "openai_responses";
+  // - "gemini_native": Gemini Native generateContent API 格式，需要格式转换
+  apiFormat?:
+    | "anthropic"
+    | "openai_chat"
+    | "openai_responses"
+    | "gemini_native";
   // 通用认证绑定
   authBinding?: AuthBinding;
   // Claude 认证字段名
@@ -181,7 +186,12 @@ export type SkillSyncMethod = "auto" | "symlink" | "copy";
 // - "anthropic": 原生 Anthropic Messages API 格式，直接透传
 // - "openai_chat": OpenAI Chat Completions 格式，需要格式转换
 // - "openai_responses": OpenAI Responses API 格式，需要格式转换
-export type ClaudeApiFormat = "anthropic" | "openai_chat" | "openai_responses";
+// - "gemini_native": Gemini Native generateContent API 格式，需要格式转换
+export type ClaudeApiFormat =
+  | "anthropic"
+  | "openai_chat"
+  | "openai_responses"
+  | "gemini_native";
 
 // Claude 认证字段类型
 export type ClaudeApiKeyField = "ANTHROPIC_AUTH_TOKEN" | "ANTHROPIC_API_KEY";