界面改进和代码重构：设置窗口最小尺寸并抽象预设供应商配置

- 设置窗口最小尺寸为600x400，防止界面缩放问题
- 将预设供应商配置提取到独立文件providerPresets.ts
- 便于管理和维护预设供应商列表

🤖 Generated with [Claude Code](https://claude.ai/code)

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

src/renderer/config/providerPresets.ts

@@ -0,0 +1,52 @@
+/**
+ * 预设供应商配置模板
+ */
+export interface ProviderPreset {
+  name: string;
+  websiteUrl: string;
+  settingsConfig: object;
+}
+
+export const providerPresets: ProviderPreset[] = [
+  {
+    name: "智谱GLM",
+    websiteUrl: "https://open.bigmodel.cn",
+    settingsConfig: {
+      env: {
+        ANTHROPIC_BASE_URL: "https://open.bigmodel.cn/api/anthropic",
+        ANTHROPIC_AUTH_TOKEN: "sk-your-api-key-here",
+      },
+    },
+  },
+  {
+    name: "千问Qwen-Coder",
+    websiteUrl: "https://bailian.console.aliyun.com",
+    settingsConfig: {
+      env: {
+        ANTHROPIC_BASE_URL:
+          "https://dashscope.aliyuncs.com/api/v2/apps/claude-code-proxy",
+        ANTHROPIC_AUTH_TOKEN: "sk-your-api-key-here",
+      },
+    },
+  },
+  {
+    name: "PackyCode",
+    websiteUrl: "https://www.packycode.com",
+    settingsConfig: {
+      env: {
+        ANTHROPIC_BASE_URL: "https://api.packycode.com",
+        ANTHROPIC_AUTH_TOKEN: "sk-your-api-key-here",
+      },
+    },
+  },
+  {
+    name: "AnyRouter",
+    websiteUrl: "https://anyrouter.top",
+    settingsConfig: {
+      env: {
+        ANTHROPIC_BASE_URL: "https://anyrouter.top",
+        ANTHROPIC_AUTH_TOKEN: "sk-your-api-key-here",
+      },
+    },
+  },
+];