fix: 全面复核 Provider 定价与配置，新增 priceCurrency 货币标识

- 新增 priceCurrency 字段：国外 Provider 标记 USD，国内 Provider 标记 CNY
- OpenAI GPT-4/o 系列价格修正（消除错误的 ×7.2 汇率膨胀）
- Anthropic modelName 格式修正（点号→连字符，如 claude-opus-4-6）
- DeepSeek 价格修正为 ¥ 原始定价，删除蒸馏模型
- DashScope qwen3.5-max→qwen3.5-plus（不存在的模型名修正）
- Google gemini-2.5-pro-vision 删除（不存在），flash 价格更新
- 智谱 glm-5-plus 删除（不存在），contextWindow 修正
- Kling apiFormat→kling-task-api，Stability→stability-rest-api
- Cohere baseUrl 域名修正 .com→.ai
- MiniMax/百度/腾讯/讯飞/硅基流动价格修正为 ¥ 原始定价
- presetDataVersion 6→7

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

compute/providers/google.json

@@ -8,6 +8,7 @@
   "apiKeyVerified": false,
   "enabled": false,
   "status": "unconfigured",
+  "priceCurrency": "USD",
   "services": [
     "chat",
     "vision",
@@ -51,26 +52,8 @@
         "tool_use",
         "fast"
       ],
-      "inputPrice": 0.075,
-      "outputPrice": 0.4,
-      "extra": {}
-    },
-    {
-      "modelName": "gemini-2.5-pro-vision",
-      "displayName": "Gemini 2.5 Pro Vision",
-      "serviceType": ["vision"],
-      "description": "Google 多模态旗舰，支持图像视频理解",
-      "contextWindow": 1000000,
-      "maxOutputTokens": 65536,
-      "capabilities": [
-        "chat",
-        "vision",
-        "video_understanding",
-        "image_understanding",
-        "ultra_long_context"
-      ],
-      "inputPrice": 1.25,
-      "outputPrice": 10,
+      "inputPrice": 0.30,
+      "outputPrice": 2.50,
       "extra": {}
     },
     {
@@ -82,7 +65,7 @@
         "text_embedding",
         "semantic_search"
       ],
-      "inputPrice": 0.07,
+      "inputPrice": 0.10,
       "extra": {}
     }
   ]