Implement KB features with codex

web/pages/Assistants.tsx

@@ -988,10 +988,21 @@ export const DebugDrawer: React.FC<{
   isOpen: boolean;
   onClose: () => void;
   assistant: Assistant;
-  voices: Voice[];
-  llmModels: LLMModel[];
-  asrModels: ASRModel[];
-}> = ({ isOpen, onClose, assistant, voices, llmModels, asrModels }) => {
+  voices?: Voice[];
+  llmModels?: LLMModel[];
+  asrModels?: ASRModel[];
+  sessionMetadataExtras?: Record<string, any>;
+  onProtocolEvent?: (event: Record<string, any>) => void;
+}> = ({
+  isOpen,
+  onClose,
+  assistant,
+  voices = [],
+  llmModels = [],
+  asrModels = [],
+  sessionMetadataExtras,
+  onProtocolEvent,
+}) => {
   const TARGET_SAMPLE_RATE = 16000;
   const downsampleTo16k = (input: Float32Array, inputSampleRate: number): Float32Array => {
     if (inputSampleRate === TARGET_SAMPLE_RATE) return input;
@@ -1474,6 +1485,10 @@ export const DebugDrawer: React.FC<{
     const warnings: string[] = [];
     const services: Record<string, any> = {};
     const isExternalLlm = assistant.configMode === 'dify' || assistant.configMode === 'fastgpt';
+    const knowledgeBaseId = String(assistant.knowledgeBaseId || '').trim();
+    const knowledge = knowledgeBaseId
+      ? { enabled: true, kbId: knowledgeBaseId, nResults: 5 }
+      : { enabled: false };
 
     if (isExternalLlm) {
       services.llm = {
@@ -1541,6 +1556,8 @@ export const DebugDrawer: React.FC<{
       sessionStartMetadata: {
         systemPrompt: assistant.prompt || '',
         greeting: assistant.opener || '',
+        knowledgeBaseId,
+        knowledge,
         services,
         history: {
           assistantId: assistant.id,
@@ -1556,7 +1573,10 @@ export const DebugDrawer: React.FC<{
   const fetchRuntimeMetadata = async (): Promise<Record<string, any>> => {
     const localResolved = buildLocalResolvedRuntime();
     setResolvedConfigView(JSON.stringify(localResolved, null, 2));
-    return localResolved.sessionStartMetadata;
+    return {
+      ...localResolved.sessionStartMetadata,
+      ...(sessionMetadataExtras || {}),
+    };
   };
 
   const closeWs = () => {
@@ -1622,6 +1642,9 @@ export const DebugDrawer: React.FC<{
         }
 
         const type = payload?.type;
+        if (onProtocolEvent) {
+          onProtocolEvent(payload);
+        }
         if (type === 'hello.ack') {
           ws.send(
             JSON.stringify({