refac: default rag template

backend/open_webui/apps/rag/main.py

@@ -69,6 +69,7 @@ from open_webui.config import (
     RAG_RERANKING_MODEL,
     RAG_RERANKING_MODEL_AUTO_UPDATE,
     RAG_RERANKING_MODEL_TRUST_REMOTE_CODE,
+    DEFAULT_RAG_TEMPLATE,
     RAG_TEMPLATE,
     RAG_TOP_K,
     RAG_WEB_SEARCH_CONCURRENT_REQUESTS,
@@ -660,7 +661,7 @@ async def update_query_settings(
     form_data: QuerySettingsForm, user=Depends(get_admin_user)
 ):
     app.state.config.RAG_TEMPLATE = (
-        form_data.template if form_data.template else RAG_TEMPLATE
+        form_data.template if form_data.template != "" else DEFAULT_RAG_TEMPLATE
     )
     app.state.config.TOP_K = form_data.k if form_data.k else 4
     app.state.config.RELEVANCE_THRESHOLD = form_data.r if form_data.r else 0.0

src/lib/components/admin/Settings/Documents.svelte

@@ -732,11 +732,17 @@
 
 			<div>
 				<div class=" mb-2.5 text-sm font-medium">{$i18n.t('RAG Template')}</div>
-				<textarea
-					bind:value={querySettings.template}
-					class="w-full rounded-lg px-4 py-3 text-sm bg-gray-50 dark:text-gray-300 dark:bg-gray-850 outline-none resize-none"
-					rows="4"
-				/>
+				<Tooltip
+					content={$i18n.t('Leave empty to use the default prompt, or enter a custom prompt')}
+					placement="top-start"
+				>
+					<textarea
+						bind:value={querySettings.template}
+						placeholder={$i18n.t('Leave empty to use the default prompt, or enter a custom prompt')}
+						class="w-full rounded-lg px-4 py-3 text-sm bg-gray-50 dark:text-gray-300 dark:bg-gray-850 outline-none resize-none"
+						rows="4"
+					/>
+				</Tooltip>
 			</div>
 		</div>