fix: show context-aware JSON editor hint and hide quick toggles for non-active providers

The hint text and ClaudeQuickToggles were misleading when editing
non-current providers or creating new ones, since the editor only
contains a config snippet rather than the full live settings.json.

src/components/providers/EditProviderDialog.tsx

@@ -192,6 +192,7 @@ export function EditProviderDialog({
         onCancel={() => onOpenChange(false)}
         initialData={initialData}
         showButtons={false}
+        isCurrent={liveSettings !== null}
       />
     </FullScreenPanel>
   );

src/components/providers/forms/ProviderForm.tsx

@@ -118,6 +118,7 @@ interface ProviderFormProps {
     iconColor?: string;
   };
   showButtons?: boolean;
+  isCurrent?: boolean;
 }
 
 export function ProviderForm({
@@ -130,6 +131,7 @@ export function ProviderForm({
   onManageUniversalProviders,
   initialData,
   showButtons = true,
+  isCurrent = false,
 }: ProviderFormProps) {
   const { t } = useTranslation();
   const isEditMode = Boolean(initialData);
@@ -1496,7 +1498,7 @@ export function ProviderForm({
               <Label htmlFor="settingsConfig">
                 {t("claudeConfig.configLabel")}
               </Label>
-              {isEditMode && (
+              {isEditMode && isCurrent && (
                 <ClaudeQuickToggles
                   onPatchApplied={(patch) => {
                     try {
@@ -1527,7 +1529,7 @@ export function ProviderForm({
                 language="json"
               />
               <p className="text-xs text-muted-foreground">
-                {t("claudeConfig.fullSettingsHint")}
+                {t(isCurrent ? "claudeConfig.fullSettingsHint" : "claudeConfig.fragmentSettingsHint")}
               </p>
             </div>
             {settingsConfigErrorField}

src/i18n/locales/en.json

@@ -52,6 +52,7 @@
   "claudeConfig": {
     "configLabel": "Claude Code settings.json (JSON) *",
     "fullSettingsHint": "Full Claude Code settings.json content",
+    "fragmentSettingsHint": "Config snippet for this provider; will be written to settings.json when activated",
     "hideAttribution": "Hide AI Attribution",
     "alwaysThinking": "Extended Thinking",
     "enableTeammates": "Teammates Mode"

src/i18n/locales/ja.json

@@ -52,6 +52,7 @@
   "claudeConfig": {
     "configLabel": "Claude Code settings.json (JSON) *",
     "fullSettingsHint": "Claude Code の settings.json 全文",
+    "fragmentSettingsHint": "このプロバイダーの設定スニペット。有効化時に settings.json に書き込まれます",
     "hideAttribution": "AI署名を非表示",
     "alwaysThinking": "拡張思考",
     "enableTeammates": "Teammates モード"

src/i18n/locales/zh.json

@@ -52,6 +52,7 @@
   "claudeConfig": {
     "configLabel": "Claude Code 配置 (JSON) *",
     "fullSettingsHint": "完整的 Claude Code settings.json 配置内容",
+    "fragmentSettingsHint": "此供应商的配置片段，激活后将写入 settings.json",
     "hideAttribution": "隐藏 AI 署名",
     "alwaysThinking": "扩展思考",
     "enableTeammates": "Teammates 模式"