feat: integrate WeKnora llmwiki knowledge flow

frontend-web/src/core/threads/hooks.ts

@@ -1122,20 +1122,26 @@ export function useThreadStream({
           }),
         );
 
-        const ragModeEnabled =
-          localSettings.display.ragModeEnabled || isThreadRagModeLocked(threadId);
-        if (ragModeEnabled) {
-          lockThreadRagMode(threadId);
-        }
+        const mergedContext = {
+          ...context,
+          ...extraContext,
+        };
+        const selectedLlmWikiIds = Array.isArray(
+          mergedContext.llmwiki_knowledge_base_ids,
+        )
+          ? mergedContext.llmwiki_knowledge_base_ids
+          : [];
+        const ragModeEnabled =
+          localSettings.display.ragModeEnabled ||
+          isThreadRagModeLocked(threadId) ||
+          selectedLlmWikiIds.length > 0;
+        if (ragModeEnabled) {
+          lockThreadRagMode(threadId);
+        }
 
         const contextCompressionEnabled =
           localSettings.display.contextCompressionEnabled ?? false;
 
-        const mergedContext = {
-          ...context,
-          ...extraContext,
-        };
-
         const hiddenContextMessages = normalizeHiddenContextMessages(options);
         const submittedMessages: Message[] = [
           ...hiddenContextMessages.map((item) => ({