fix(opencode): hide common config snippet UI and prevent auto-merge

- Add `enabled` parameter to useCommonConfigSnippet hook
- Skip all loading and auto-merge logic when enabled=false
- Replace CommonConfigEditor with simplified JsonEditor for OpenCode
- Prevent Claude's common config snippet from being injected into OpenCode

src/components/providers/forms/ProviderForm.tsx

@@ -33,6 +33,8 @@ import { getCodexCustomTemplate } from "@/config/codexTemplates";
 import CodexConfigEditor from "./CodexConfigEditor";
 import { CommonConfigEditor } from "./CommonConfigEditor";
 import GeminiConfigEditor from "./GeminiConfigEditor";
+import JsonEditor from "@/components/JsonEditor";
+import { Label } from "@/components/ui/label";
 import { ProviderPresetSelector } from "./ProviderPresetSelector";
 import { BasicFormFields } from "./BasicFormFields";
 import { ClaudeFormFields } from "./ClaudeFormFields";
@@ -389,6 +391,7 @@ export function ProviderForm({
     onConfigChange: (config) => form.setValue("settingsConfig", config),
     initialData: appId === "claude" ? initialData : undefined,
     selectedPresetId: selectedPresetId ?? undefined,
+    enabled: appId === "claude",
   });
 
   // 使用 Codex 通用配置片段 hook (仅 Codex 模式)
@@ -1145,20 +1148,24 @@ export function ProviderForm({
           </>
         ) : appId === "opencode" ? (
           <>
-            <CommonConfigEditor
-              value={form.getValues("settingsConfig")}
-              onChange={(config) => form.setValue("settingsConfig", config)}
-              useCommonConfig={false}
-              onCommonConfigToggle={() => {}}
-              commonConfigSnippet=""
-              onCommonConfigSnippetChange={() => {}}
-              commonConfigError=""
-              onEditClick={() => {}}
-              isModalOpen={false}
-              onModalClose={() => {}}
-              onExtract={() => Promise.resolve()}
-              isExtracting={false}
-            />
+            <div className="space-y-2">
+              <Label htmlFor="settingsConfig">{t("provider.configJson")}</Label>
+              <JsonEditor
+                value={form.getValues("settingsConfig")}
+                onChange={(config) => form.setValue("settingsConfig", config)}
+                placeholder={`{
+  "npm": "@ai-sdk/openai-compatible",
+  "options": {
+    "baseURL": "https://your-api-endpoint.com",
+    "apiKey": "your-api-key-here"
+  },
+  "models": {}
+}`}
+                rows={14}
+                showValidation={true}
+                language="json"
+              />
+            </div>
             <FormField
               control={form.control}
               name="settingsConfig"

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

@@ -19,6 +19,8 @@ interface UseCommonConfigSnippetProps {
     settingsConfig?: Record<string, unknown>;
   };
   selectedPresetId?: string;
+  /** When false, the hook skips all logic and returns disabled state. Default: true */
+  enabled?: boolean;
 }
 
 /**
@@ -30,6 +32,7 @@ export function useCommonConfigSnippet({
   onConfigChange,
   initialData,
   selectedPresetId,
+  enabled = true,
 }: UseCommonConfigSnippetProps) {
   const { t } = useTranslation();
   const [useCommonConfig, setUseCommonConfig] = useState(false);
@@ -47,11 +50,16 @@ export function useCommonConfigSnippet({
 
   // 当预设变化时，重置初始化标记，使新预设能够重新触发初始化逻辑
   useEffect(() => {
+    if (!enabled) return;
     hasInitializedNewMode.current = false;
-  }, [selectedPresetId]);
+  }, [selectedPresetId, enabled]);
 
   // 初始化：从 config.json 加载，支持从 localStorage 迁移
   useEffect(() => {
+    if (!enabled) {
+      setIsLoading(false);
+      return;
+    }
     let mounted = true;
 
     const loadSnippet = async () => {
@@ -100,10 +108,11 @@ export function useCommonConfigSnippet({
     return () => {
       mounted = false;
     };
-  }, []);
+  }, [enabled]);
 
   // 初始化时检查通用配置片段（编辑模式）
   useEffect(() => {
+    if (!enabled) return;
     if (initialData && !isLoading) {
       const configString = JSON.stringify(initialData.settingsConfig, null, 2);
       const hasCommon = hasCommonConfigSnippet(
@@ -112,10 +121,11 @@ export function useCommonConfigSnippet({
       );
       setUseCommonConfig(hasCommon);
     }
-  }, [initialData, commonConfigSnippet, isLoading]);
+  }, [enabled, initialData, commonConfigSnippet, isLoading]);
 
   // 新建模式：如果通用配置片段存在且有效，默认启用
   useEffect(() => {
+    if (!enabled) return;
     // 仅新建模式、加载完成、尚未初始化过
     if (!initialData && !isLoading && !hasInitializedNewMode.current) {
       hasInitializedNewMode.current = true;
@@ -145,6 +155,7 @@ export function useCommonConfigSnippet({
       }
     }
   }, [
+    enabled,
     initialData,
     commonConfigSnippet,
     isLoading,
@@ -259,6 +270,7 @@ export function useCommonConfigSnippet({
 
   // 当配置变化时检查是否包含通用配置（但避免在通过通用配置更新时检查）
   useEffect(() => {
+    if (!enabled) return;
     if (isUpdatingFromCommonConfig.current || isLoading) {
       return;
     }
@@ -267,7 +279,7 @@ export function useCommonConfigSnippet({
       commonConfigSnippet,
     );
     setUseCommonConfig(hasCommon);
-  }, [settingsConfig, commonConfigSnippet, isLoading]);
+  }, [enabled, settingsConfig, commonConfigSnippet, isLoading]);
 
   // 从编辑器当前内容提取通用配置片段
   const handleExtract = useCallback(async () => {