fix: common config checkbox state not persisting for Codex/Claude/Gemini (#2191)

修复：Codex/Claude/Gemini 通用配置勾选状态无法正确保存的问题

Co-authored-by: 曾兴 <zengx@gantsoftware.com>

src/components/providers/forms/hooks/useGeminiCommonConfig.ts

@@ -244,9 +244,13 @@ export function useGeminiCommonConfig({
         env,
         parsed.env as Record<string, string>,
       );
-      const hasCommon = initialEnabled ?? inferredHasCommon;
 
-      if (hasCommon && !inferredHasCommon) {
+      // 优先级：显式设置的 initialEnabled > 从配置推断的值
+      // 如果 initialEnabled 为 undefined，使用推断值
+      const hasCommon = initialEnabled !== undefined ? initialEnabled : inferredHasCommon;
+
+      // 如果应该启用通用配置但配置中还没有，则自动添加
+      if (hasCommon && !inferredHasCommon && Object.keys(parsed.env).length > 0) {
         const currentEnv = envStringToObj(envValue);
         const merged = applySnippetToEnv(currentEnv, parsed.env);
         const nextEnvString = envObjToString(merged);