feat: enhance agent orchestration, knowledge flow and UI refinements

frontend/src/pages/settings/composables/useSettingsView.ts

@@ -97,7 +97,6 @@ export function useSettingsView() {
   function createEmptyModel(type: string): LLMModelConfig {
     return {
       name: `${type.toUpperCase()}-${Date.now()}`,
-      provider: 'openai',
       model: type === 'chat'
         ? 'gpt-4o'
         : type === 'vlm'
@@ -105,7 +104,7 @@ export function useSettingsView() {
           : type === 'embedding'
             ? 'text-embedding-3-small'
             : 'bge-reranker-v2',
-      base_url: '',
+      base_url: 'https://api.openai.com/v1',
       api_key: '',
       enabled: true,
     }
@@ -242,7 +241,6 @@ export function useSettingsView() {
     try {
       const response = await settingsApi.testLLM({
         type: type as LLMType,
-        provider: model.provider,
         model: model.model,
         base_url: model.base_url,
         api_key: model.api_key,