fix: isolate concurrent OpenCode chat runs

src/stores/providers.ts

@@ -38,9 +38,13 @@ interface ProviderState {
   refreshProviderSnapshot: () => Promise<void>;
   createAccount: (account: ProviderAccount, apiKey?: string) => Promise<void>;
   removeAccount: (accountId: string) => Promise<void>;
-  importUserModelConfig: (accessToken: string) => Promise<{
+  importUserModelConfig: (
+    accessToken: string,
+    options?: { runtimeRefresh?: 'apply' | 'defer' },
+  ) => Promise<{
     account: ProviderAccount;
     importedModels: string[];
+    runtimeRefreshRequired: boolean;
   }>;
   validateAccountApiKey: (
     accountId: string,
@@ -218,16 +222,20 @@ export const useProviderStore = create<ProviderState>((set, get) => ({
 
   deleteAccount: async (accountId) => get().removeAccount(accountId),
 
-  importUserModelConfig: async (accessToken) => {
+  importUserModelConfig: async (accessToken, options) => {
     try {
       const result = await hostApiFetch<{
         success: boolean;
         error?: string;
         account?: ProviderAccount;
         importedModels?: string[];
+        runtimeRefreshRequired?: boolean;
       }>('/api/provider-accounts/import-user-model-config', {
         method: 'POST',
-        body: JSON.stringify({ accessToken }),
+        body: JSON.stringify({
+          accessToken,
+          runtimeRefresh: options?.runtimeRefresh ?? 'apply',
+        }),
       });
 
       if (!result.success || !result.account) {
@@ -238,6 +246,7 @@ export const useProviderStore = create<ProviderState>((set, get) => ({
       return {
         account: result.account,
         importedModels: result.importedModels ?? [],
+        runtimeRefreshRequired: result.runtimeRefreshRequired === true,
       };
     } catch (error) {
       console.error('Failed to import current user model config:', error);