forked from open-webui/open-webui
		
	Merge pull request #1756 from buroa/buroa/toggle-hybrid
feat: toggle hybrid search
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						commit
						543707eefd
					
				
					 5 changed files with 156 additions and 103 deletions
				
			
		|  | @ -70,6 +70,7 @@ from config import ( | |||
|     RAG_EMBEDDING_MODEL, | ||||
|     RAG_EMBEDDING_MODEL_AUTO_UPDATE, | ||||
|     RAG_EMBEDDING_MODEL_TRUST_REMOTE_CODE, | ||||
|     ENABLE_RAG_HYBRID_SEARCH, | ||||
|     RAG_RERANKING_MODEL, | ||||
|     RAG_RERANKING_MODEL_AUTO_UPDATE, | ||||
|     RAG_RERANKING_MODEL_TRUST_REMOTE_CODE, | ||||
|  | @ -91,6 +92,9 @@ app = FastAPI() | |||
| 
 | ||||
| app.state.TOP_K = RAG_TOP_K | ||||
| app.state.RELEVANCE_THRESHOLD = RAG_RELEVANCE_THRESHOLD | ||||
| 
 | ||||
| app.state.ENABLE_RAG_HYBRID_SEARCH = ENABLE_RAG_HYBRID_SEARCH | ||||
| 
 | ||||
| app.state.CHUNK_SIZE = CHUNK_SIZE | ||||
| app.state.CHUNK_OVERLAP = CHUNK_OVERLAP | ||||
| 
 | ||||
|  | @ -321,6 +325,7 @@ async def get_query_settings(user=Depends(get_admin_user)): | |||
|         "template": app.state.RAG_TEMPLATE, | ||||
|         "k": app.state.TOP_K, | ||||
|         "r": app.state.RELEVANCE_THRESHOLD, | ||||
|         "hybrid": app.state.ENABLE_RAG_HYBRID_SEARCH, | ||||
|     } | ||||
| 
 | ||||
| 
 | ||||
|  | @ -328,6 +333,7 @@ class QuerySettingsForm(BaseModel): | |||
|     k: Optional[int] = None | ||||
|     r: Optional[float] = None | ||||
|     template: Optional[str] = None | ||||
|     hybrid: Optional[bool] = None | ||||
| 
 | ||||
| 
 | ||||
| @app.post("/query/settings/update") | ||||
|  | @ -337,7 +343,14 @@ async def update_query_settings( | |||
|     app.state.RAG_TEMPLATE = form_data.template if form_data.template else RAG_TEMPLATE | ||||
|     app.state.TOP_K = form_data.k if form_data.k else 4 | ||||
|     app.state.RELEVANCE_THRESHOLD = form_data.r if form_data.r else 0.0 | ||||
|     return {"status": True, "template": app.state.RAG_TEMPLATE} | ||||
|     app.state.ENABLE_RAG_HYBRID_SEARCH = form_data.hybrid if form_data.hybrid else False | ||||
|     return { | ||||
|         "status": True, | ||||
|         "template": app.state.RAG_TEMPLATE, | ||||
|         "k": app.state.TOP_K, | ||||
|         "r": app.state.RELEVANCE_THRESHOLD, | ||||
|         "hybrid": app.state.ENABLE_RAG_HYBRID_SEARCH, | ||||
|     } | ||||
| 
 | ||||
| 
 | ||||
| class QueryDocForm(BaseModel): | ||||
|  | @ -345,6 +358,7 @@ class QueryDocForm(BaseModel): | |||
|     query: str | ||||
|     k: Optional[int] = None | ||||
|     r: Optional[float] = None | ||||
|     hybrid: Optional[bool] = None | ||||
| 
 | ||||
| 
 | ||||
| @app.post("/query/doc") | ||||
|  | @ -368,6 +382,11 @@ def query_doc_handler( | |||
|             r=form_data.r if form_data.r else app.state.RELEVANCE_THRESHOLD, | ||||
|             embeddings_function=embeddings_function, | ||||
|             reranking_function=app.state.sentence_transformer_rf, | ||||
|             hybrid_search=( | ||||
|                 form_data.hybrid | ||||
|                 if form_data.hybrid | ||||
|                 else app.state.ENABLE_RAG_HYBRID_SEARCH | ||||
|             ), | ||||
|         ) | ||||
|     except Exception as e: | ||||
|         log.exception(e) | ||||
|  | @ -382,6 +401,7 @@ class QueryCollectionsForm(BaseModel): | |||
|     query: str | ||||
|     k: Optional[int] = None | ||||
|     r: Optional[float] = None | ||||
|     hybrid: Optional[bool] = None | ||||
| 
 | ||||
| 
 | ||||
| @app.post("/query/collection") | ||||
|  | @ -405,6 +425,11 @@ def query_collection_handler( | |||
|             r=form_data.r if form_data.r else app.state.RELEVANCE_THRESHOLD, | ||||
|             embeddings_function=embeddings_function, | ||||
|             reranking_function=app.state.sentence_transformer_rf, | ||||
|             hybrid_search=( | ||||
|                 form_data.hybrid | ||||
|                 if form_data.hybrid | ||||
|                 else app.state.ENABLE_RAG_HYBRID_SEARCH | ||||
|             ), | ||||
|         ) | ||||
|     except Exception as e: | ||||
|         log.exception(e) | ||||
|  |  | |||
|  | @ -18,8 +18,6 @@ from langchain.retrievers import ( | |||
|     EnsembleRetriever, | ||||
| ) | ||||
| 
 | ||||
| from sentence_transformers import CrossEncoder | ||||
| 
 | ||||
| from typing import Optional | ||||
| from config import SRC_LOG_LEVELS, CHROMA_CLIENT | ||||
| 
 | ||||
|  | @ -32,16 +30,15 @@ def query_embeddings_doc( | |||
|     collection_name: str, | ||||
|     query: str, | ||||
|     embeddings_function, | ||||
|     reranking_function, | ||||
|     k: int, | ||||
|     reranking_function: Optional[CrossEncoder] = None, | ||||
|     r: Optional[float] = None, | ||||
|     r: int, | ||||
|     hybrid_search: bool, | ||||
| ): | ||||
|     try: | ||||
|         collection = CHROMA_CLIENT.get_collection(name=collection_name) | ||||
| 
 | ||||
|         if reranking_function: | ||||
|             # if you use docker use the model from the environment variable | ||||
|             collection = CHROMA_CLIENT.get_collection(name=collection_name) | ||||
| 
 | ||||
|         if hybrid_search: | ||||
|             documents = collection.get()  # get all documents | ||||
|             bm25_retriever = BM25Retriever.from_texts( | ||||
|                 texts=documents.get("documents"), | ||||
|  | @ -77,24 +74,19 @@ def query_embeddings_doc( | |||
|                 "metadatas": [[d.metadata for d in result]], | ||||
|             } | ||||
|         else: | ||||
|             # if you use docker use the model from the environment variable | ||||
|             query_embeddings = embeddings_function(query) | ||||
| 
 | ||||
|             log.info(f"query_embeddings_doc {query_embeddings}") | ||||
|             collection = CHROMA_CLIENT.get_collection(name=collection_name) | ||||
| 
 | ||||
|             result = collection.query( | ||||
|                 query_embeddings=[query_embeddings], | ||||
|                 n_results=k, | ||||
|             ) | ||||
| 
 | ||||
|             log.info(f"query_embeddings_doc:result {result}") | ||||
|         log.info(f"query_embeddings_doc:result {result}") | ||||
|         return result | ||||
|     except Exception as e: | ||||
|         raise e | ||||
| 
 | ||||
| 
 | ||||
| def merge_and_sort_query_results(query_results, k): | ||||
| def merge_and_sort_query_results(query_results, k, reverse=False): | ||||
|     # Initialize lists to store combined data | ||||
|     combined_distances = [] | ||||
|     combined_documents = [] | ||||
|  | @ -109,7 +101,7 @@ def merge_and_sort_query_results(query_results, k): | |||
|     combined = list(zip(combined_distances, combined_documents, combined_metadatas)) | ||||
| 
 | ||||
|     # Sort the list based on distances | ||||
|     combined.sort(key=lambda x: x[0]) | ||||
|     combined.sort(key=lambda x: x[0], reverse=reverse) | ||||
| 
 | ||||
|     # We don't have anything :-( | ||||
|     if not combined: | ||||
|  | @ -142,6 +134,7 @@ def query_embeddings_collection( | |||
|     r: float, | ||||
|     embeddings_function, | ||||
|     reranking_function, | ||||
|     hybrid_search: bool, | ||||
| ): | ||||
| 
 | ||||
|     results = [] | ||||
|  | @ -155,12 +148,14 @@ def query_embeddings_collection( | |||
|                 r=r, | ||||
|                 embeddings_function=embeddings_function, | ||||
|                 reranking_function=reranking_function, | ||||
|                 hybrid_search=hybrid_search, | ||||
|             ) | ||||
|             results.append(result) | ||||
|         except: | ||||
|             pass | ||||
| 
 | ||||
|     return merge_and_sort_query_results(results, k) | ||||
|     reverse = hybrid and reranking_function is not None | ||||
|     return merge_and_sort_query_results(results, k=k, reverse=reverse) | ||||
| 
 | ||||
| 
 | ||||
| def rag_template(template: str, context: str, query: str): | ||||
|  | @ -211,6 +206,7 @@ def rag_messages( | |||
|     template, | ||||
|     k, | ||||
|     r, | ||||
|     hybrid_search, | ||||
|     embedding_engine, | ||||
|     embedding_model, | ||||
|     embedding_function, | ||||
|  | @ -283,6 +279,7 @@ def rag_messages( | |||
|                     r=r, | ||||
|                     embeddings_function=embeddings_function, | ||||
|                     reranking_function=reranking_function, | ||||
|                     hybrid_search=hybrid_search, | ||||
|                 ) | ||||
|             else: | ||||
|                 context = query_embeddings_doc( | ||||
|  | @ -292,6 +289,7 @@ def rag_messages( | |||
|                     r=r, | ||||
|                     embeddings_function=embeddings_function, | ||||
|                     reranking_function=reranking_function, | ||||
|                     hybrid_search=hybrid_search, | ||||
|                 ) | ||||
|         except Exception as e: | ||||
|             log.exception(e) | ||||
|  | @ -479,7 +477,9 @@ class RerankCompressor(BaseDocumentCompressor): | |||
|                 (d, s) for d, s in docs_with_scores if s >= self.r_score | ||||
|             ] | ||||
| 
 | ||||
|         result = sorted(docs_with_scores, key=operator.itemgetter(1), reverse=True) | ||||
|         reverse = self.reranking_function is not None | ||||
|         result = sorted(docs_with_scores, key=operator.itemgetter(1), reverse=reverse) | ||||
| 
 | ||||
|         final_results = [] | ||||
|         for doc, doc_score in result[: self.top_n]: | ||||
|             metadata = doc.metadata | ||||
|  |  | |||
|  | @ -423,6 +423,10 @@ CHROMA_DATA_PATH = f"{DATA_DIR}/vector_db" | |||
| RAG_TOP_K = int(os.environ.get("RAG_TOP_K", "5")) | ||||
| RAG_RELEVANCE_THRESHOLD = float(os.environ.get("RAG_RELEVANCE_THRESHOLD", "0.0")) | ||||
| 
 | ||||
| ENABLE_RAG_HYBRID_SEARCH = ( | ||||
|     os.environ.get("ENABLE_RAG_HYBRID_SEARCH", "").lower() == "true" | ||||
| ) | ||||
| 
 | ||||
| RAG_EMBEDDING_ENGINE = os.environ.get("RAG_EMBEDDING_ENGINE", "") | ||||
| 
 | ||||
| RAG_EMBEDDING_MODEL = os.environ.get( | ||||
|  |  | |||
|  | @ -121,6 +121,7 @@ class RAGMiddleware(BaseHTTPMiddleware): | |||
|                     rag_app.state.RAG_TEMPLATE, | ||||
|                     rag_app.state.TOP_K, | ||||
|                     rag_app.state.RELEVANCE_THRESHOLD, | ||||
|                     rag_app.state.ENABLE_RAG_HYBRID_SEARCH, | ||||
|                     rag_app.state.RAG_EMBEDDING_ENGINE, | ||||
|                     rag_app.state.RAG_EMBEDDING_MODEL, | ||||
|                     rag_app.state.sentence_transformer_ef, | ||||
|  |  | |||
|  | @ -43,7 +43,8 @@ | |||
| 	let querySettings = { | ||||
| 		template: '', | ||||
| 		r: 0.0, | ||||
| 		k: 4 | ||||
| 		k: 4, | ||||
| 		hybrid: false | ||||
| 	}; | ||||
| 
 | ||||
| 	const scanHandler = async () => { | ||||
|  | @ -174,6 +175,12 @@ | |||
| 		} | ||||
| 	}; | ||||
| 
 | ||||
| 	const toggleHybridSearch = async () => { | ||||
| 		querySettings.hybrid = !querySettings.hybrid; | ||||
| 
 | ||||
| 		querySettings = await updateQuerySettings(localStorage.token, querySettings); | ||||
| 	}; | ||||
| 
 | ||||
| 	onMount(async () => { | ||||
| 		const res = await getRAGConfig(localStorage.token); | ||||
| 
 | ||||
|  | @ -202,6 +209,24 @@ | |||
| 		<div> | ||||
| 			<div class=" mb-2 text-sm font-medium">{$i18n.t('General Settings')}</div> | ||||
| 
 | ||||
| 			<div class=" flex w-full justify-between"> | ||||
| 				<div class=" self-center text-xs font-medium">{$i18n.t('Hybrid Search')}</div> | ||||
| 
 | ||||
| 				<button | ||||
| 					class="p-1 px-3 text-xs flex rounded transition" | ||||
| 					on:click={() => { | ||||
| 						toggleHybridSearch(); | ||||
| 					}} | ||||
| 					type="button" | ||||
| 				> | ||||
| 					{#if querySettings.hybrid === true} | ||||
| 						<span class="ml-2 self-center">{$i18n.t('On')}</span> | ||||
| 					{:else} | ||||
| 						<span class="ml-2 self-center">{$i18n.t('Off')}</span> | ||||
| 					{/if} | ||||
| 				</button> | ||||
| 			</div> | ||||
| 
 | ||||
| 			<div class=" flex w-full justify-between"> | ||||
| 				<div class=" self-center text-xs font-medium">{$i18n.t('Embedding Model Engine')}</div> | ||||
| 				<div class="flex items-center relative"> | ||||
|  | @ -386,78 +411,74 @@ | |||
| 
 | ||||
| 				<hr class=" dark:border-gray-700 my-3" /> | ||||
| 
 | ||||
| 				<div class=" "> | ||||
| 					<div class=" mb-2 text-sm font-medium">{$i18n.t('Update Reranking Model')}</div> | ||||
| 				{#if querySettings.hybrid === true} | ||||
| 					<div class=" "> | ||||
| 						<div class=" mb-2 text-sm font-medium">{$i18n.t('Update Reranking Model')}</div> | ||||
| 
 | ||||
| 					<div class="flex w-full"> | ||||
| 						<div class="flex-1 mr-2"> | ||||
| 							<input | ||||
| 								class="w-full rounded-lg py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-850 outline-none" | ||||
| 								placeholder={$i18n.t('Update reranking model (e.g. {{model}})', { | ||||
| 									model: rerankingModel.slice(-40) | ||||
| 								})} | ||||
| 								bind:value={rerankingModel} | ||||
| 							/> | ||||
| 						</div> | ||||
| 						<button | ||||
| 							class="px-2.5 bg-gray-100 hover:bg-gray-200 text-gray-800 dark:bg-gray-850 dark:hover:bg-gray-800 dark:text-gray-100 rounded-lg transition" | ||||
| 							on:click={() => { | ||||
| 								rerankingModelUpdateHandler(); | ||||
| 							}} | ||||
| 							disabled={updateRerankingModelLoading} | ||||
| 						> | ||||
| 							{#if updateRerankingModelLoading} | ||||
| 								<div class="self-center"> | ||||
| 									<svg | ||||
| 										class=" w-4 h-4" | ||||
| 										viewBox="0 0 24 24" | ||||
| 										fill="currentColor" | ||||
| 										xmlns="http://www.w3.org/2000/svg" | ||||
| 										><style> | ||||
| 											.spinner_ajPY { | ||||
| 												transform-origin: center; | ||||
| 												animation: spinner_AtaB 0.75s infinite linear; | ||||
| 											} | ||||
| 											@keyframes spinner_AtaB { | ||||
| 												100% { | ||||
| 													transform: rotate(360deg); | ||||
| 						<div class="flex w-full"> | ||||
| 							<div class="flex-1 mr-2"> | ||||
| 								<input | ||||
| 									class="w-full rounded-lg py-2 px-4 text-sm dark:text-gray-300 dark:bg-gray-850 outline-none" | ||||
| 									placeholder={$i18n.t('Update reranking model (e.g. {{model}})', { | ||||
| 										model: rerankingModel.slice(-40) | ||||
| 									})} | ||||
| 									bind:value={rerankingModel} | ||||
| 								/> | ||||
| 							</div> | ||||
| 							<button | ||||
| 								class="px-2.5 bg-gray-100 hover:bg-gray-200 text-gray-800 dark:bg-gray-850 dark:hover:bg-gray-800 dark:text-gray-100 rounded-lg transition" | ||||
| 								on:click={() => { | ||||
| 									rerankingModelUpdateHandler(); | ||||
| 								}} | ||||
| 								disabled={updateRerankingModelLoading} | ||||
| 							> | ||||
| 								{#if updateRerankingModelLoading} | ||||
| 									<div class="self-center"> | ||||
| 										<svg | ||||
| 											class=" w-4 h-4" | ||||
| 											viewBox="0 0 24 24" | ||||
| 											fill="currentColor" | ||||
| 											xmlns="http://www.w3.org/2000/svg" | ||||
| 											><style> | ||||
| 												.spinner_ajPY { | ||||
| 													transform-origin: center; | ||||
| 													animation: spinner_AtaB 0.75s infinite linear; | ||||
| 												} | ||||
| 											} | ||||
| 										</style><path | ||||
| 											d="M12,1A11,11,0,1,0,23,12,11,11,0,0,0,12,1Zm0,19a8,8,0,1,1,8-8A8,8,0,0,1,12,20Z" | ||||
| 											opacity=".25" | ||||
| 										/><path | ||||
| 											d="M10.14,1.16a11,11,0,0,0-9,8.92A1.59,1.59,0,0,0,2.46,12,1.52,1.52,0,0,0,4.11,10.7a8,8,0,0,1,6.66-6.61A1.42,1.42,0,0,0,12,2.69h0A1.57,1.57,0,0,0,10.14,1.16Z" | ||||
| 											class="spinner_ajPY" | ||||
| 										/></svg | ||||
| 												@keyframes spinner_AtaB { | ||||
| 													100% { | ||||
| 														transform: rotate(360deg); | ||||
| 													} | ||||
| 												} | ||||
| 											</style><path | ||||
| 												d="M12,1A11,11,0,1,0,23,12,11,11,0,0,0,12,1Zm0,19a8,8,0,1,1,8-8A8,8,0,0,1,12,20Z" | ||||
| 												opacity=".25" | ||||
| 											/><path | ||||
| 												d="M10.14,1.16a11,11,0,0,0-9,8.92A1.59,1.59,0,0,0,2.46,12,1.52,1.52,0,0,0,4.11,10.7a8,8,0,0,1,6.66-6.61A1.42,1.42,0,0,0,12,2.69h0A1.57,1.57,0,0,0,10.14,1.16Z" | ||||
| 												class="spinner_ajPY" | ||||
| 											/></svg | ||||
| 										> | ||||
| 									</div> | ||||
| 								{:else} | ||||
| 									<svg | ||||
| 										xmlns="http://www.w3.org/2000/svg" | ||||
| 										viewBox="0 0 16 16" | ||||
| 										fill="currentColor" | ||||
| 										class="w-4 h-4" | ||||
| 									> | ||||
| 								</div> | ||||
| 							{:else} | ||||
| 								<svg | ||||
| 									xmlns="http://www.w3.org/2000/svg" | ||||
| 									viewBox="0 0 16 16" | ||||
| 									fill="currentColor" | ||||
| 									class="w-4 h-4" | ||||
| 								> | ||||
| 									<path | ||||
| 										d="M8.75 2.75a.75.75 0 0 0-1.5 0v5.69L5.03 6.22a.75.75 0 0 0-1.06 1.06l3.5 3.5a.75.75 0 0 0 1.06 0l3.5-3.5a.75.75 0 0 0-1.06-1.06L8.75 8.44V2.75Z" | ||||
| 									/> | ||||
| 									<path | ||||
| 										d="M3.5 9.75a.75.75 0 0 0-1.5 0v1.5A2.75 2.75 0 0 0 4.75 14h6.5A2.75 2.75 0 0 0 14 11.25v-1.5a.75.75 0 0 0-1.5 0v1.5c0 .69-.56 1.25-1.25 1.25h-6.5c-.69 0-1.25-.56-1.25-1.25v-1.5Z" | ||||
| 									/> | ||||
| 								</svg> | ||||
| 							{/if} | ||||
| 						</button> | ||||
| 										<path | ||||
| 											d="M8.75 2.75a.75.75 0 0 0-1.5 0v5.69L5.03 6.22a.75.75 0 0 0-1.06 1.06l3.5 3.5a.75.75 0 0 0 1.06 0l3.5-3.5a.75.75 0 0 0-1.06-1.06L8.75 8.44V2.75Z" | ||||
| 										/> | ||||
| 										<path | ||||
| 											d="M3.5 9.75a.75.75 0 0 0-1.5 0v1.5A2.75 2.75 0 0 0 4.75 14h6.5A2.75 2.75 0 0 0 14 11.25v-1.5a.75.75 0 0 0-1.5 0v1.5c0 .69-.56 1.25-1.25 1.25h-6.5c-.69 0-1.25-.56-1.25-1.25v-1.5Z" | ||||
| 										/> | ||||
| 									</svg> | ||||
| 								{/if} | ||||
| 							</button> | ||||
| 						</div> | ||||
| 					</div> | ||||
| 				</div> | ||||
| 
 | ||||
| 				<div class="mt-2 mb-1 text-xs text-gray-400 dark:text-gray-500"> | ||||
| 					{$i18n.t( | ||||
| 						'Note: If you choose a reranking model, it will use that to score and rerank instead of the embedding model.' | ||||
| 					)} | ||||
| 				</div> | ||||
| 
 | ||||
| 				<hr class=" dark:border-gray-700 my-3" /> | ||||
| 					<hr class=" dark:border-gray-700 my-3" /> | ||||
| 				{/if} | ||||
| 
 | ||||
| 				<div class="  flex w-full justify-between"> | ||||
| 					<div class=" self-center text-xs font-medium"> | ||||
|  | @ -583,25 +604,27 @@ | |||
| 						</div> | ||||
| 					</div> | ||||
| 
 | ||||
| 					<div class=" flex"> | ||||
| 						<div class="  flex w-full justify-between"> | ||||
| 							<div class="self-center text-xs font-medium flex-1"> | ||||
| 								{$i18n.t('Relevance Threshold')} | ||||
| 							</div> | ||||
| 					{#if querySettings.hybrid === true} | ||||
| 						<div class=" flex"> | ||||
| 							<div class="  flex w-full justify-between"> | ||||
| 								<div class="self-center text-xs font-medium flex-1"> | ||||
| 									{$i18n.t('Relevance Threshold')} | ||||
| 								</div> | ||||
| 
 | ||||
| 							<div class="self-center p-3"> | ||||
| 								<input | ||||
| 									class=" w-full rounded-lg py-1.5 px-4 text-sm dark:text-gray-300 dark:bg-gray-850 outline-none" | ||||
| 									type="number" | ||||
| 									step="0.01" | ||||
| 									placeholder={$i18n.t('Enter Relevance Threshold')} | ||||
| 									bind:value={querySettings.r} | ||||
| 									autocomplete="off" | ||||
| 									min="0.0" | ||||
| 								/> | ||||
| 								<div class="self-center p-3"> | ||||
| 									<input | ||||
| 										class=" w-full rounded-lg py-1.5 px-4 text-sm dark:text-gray-300 dark:bg-gray-850 outline-none" | ||||
| 										type="number" | ||||
| 										step="0.01" | ||||
| 										placeholder={$i18n.t('Enter Relevance Threshold')} | ||||
| 										bind:value={querySettings.r} | ||||
| 										autocomplete="off" | ||||
| 										min="0.0" | ||||
| 									/> | ||||
| 								</div> | ||||
| 							</div> | ||||
| 						</div> | ||||
| 					</div> | ||||
| 					{/if} | ||||
| 
 | ||||
| 					<div> | ||||
| 						<div class=" mb-2.5 text-sm font-medium">{$i18n.t('RAG Template')}</div> | ||||
|  |  | |||
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	 Timothy Jaeryang Baek
						Timothy Jaeryang Baek