Merge branch 'upstream' into concedo_experimental

# Conflicts:
#	.github/labeler.yml
#	.github/workflows/release.yml
#	examples/debug/debug.cpp
#	ggml/src/ggml-cuda/common.cuh
#	ggml/src/ggml-cuda/mmq.cuh
#	ggml/src/ggml-webgpu/ggml-webgpu.cpp
#	src/llama-vocab.cpp
#	tests/test-backend-ops.cpp
#	tests/test-chat.cpp
#	tests/test-json-schema-to-grammar.cpp
#	tools/mtmd/CMakeLists.txt

tools/server/webui/src/lib/components/app/content/MarkdownContent.svelte

@@ -4,6 +4,7 @@
 	import remarkGfm from 'remark-gfm';
 	import remarkMath from 'remark-math';
 	import rehypeHighlight from 'rehype-highlight';
+	import { all as lowlightAll } from 'lowlight';
 	import remarkRehype from 'remark-rehype';
 	import rehypeKatex from 'rehype-katex';
 	import rehypeStringify from 'rehype-stringify';
@@ -96,6 +97,7 @@
 
 		return proc
 			.use(rehypeHighlight, {
+				languages: lowlightAll,
 				aliases: { [FileTypeText.XML]: [FileTypeText.SVELTE, FileTypeText.VUE] }
 			}) // Add syntax highlighting
 			.use(rehypeRestoreTableHtml) // Restore limited HTML (e.g., <br>, <ul>) inside Markdown tables

tools/server/webui/src/lib/services/parameter-sync.service.ts

@@ -88,6 +88,12 @@ export const SYNCABLE_PARAMETERS: SyncableParameter[] = [
 	},
 	{ key: 'max_tokens', serverKey: 'max_tokens', type: SyncableParameterType.NUMBER, canSync: true },
 	{ key: 'samplers', serverKey: 'samplers', type: SyncableParameterType.STRING, canSync: true },
+	{
+		key: 'backend_sampling',
+		serverKey: 'backend_sampling',
+		type: SyncableParameterType.BOOLEAN,
+		canSync: true
+	},
 	{
 		key: 'pasteLongTextToFileLen',
 		serverKey: 'pasteLongTextToFileLen',

tools/server/webui/src/lib/stores/chat.svelte.ts

@@ -1610,8 +1610,7 @@ class ChatStore {
 
 		if (currentConfig.samplers) apiOptions.samplers = currentConfig.samplers;
 
-		if (currentConfig.backend_sampling)
-			apiOptions.backend_sampling = currentConfig.backend_sampling;
+		apiOptions.backend_sampling = currentConfig.backend_sampling;
 
 		if (currentConfig.custom) apiOptions.custom = currentConfig.custom;