webui: Move static build output from repo code to HF Bucket (#22937)

* ci: add workflow to publish webui to Hugging Face bucket

* ci: add webui release job to release workflow

* ci: test webui release job

* chore: Return to default minification strategy for build output files

* ci: extract webui build into separate workflow and job

* chore: Ignore webui static output + clean up references

* chore: Delete legacy webui static output

* chore: Ignore webui build static output

* fix: Workflow

* fix: Versioning naming

* chore: Update package name

* test: Test CI fix

* refactor: Naming

* server: implement webui build strategy with HF Bucket support

* chore: Remove test workflow

* chore: Use WebUI build workflow call in other workflows

* server: HF Buckets fallback for WebUI build

* refactor: App name variable

* refactor: Naming

* fix: Retrieve loading.html

* fix: workflow syntax

* fix: Rewrite malformed release.yml

* fix: Req param

* test: Re-add missing Playwright installation for CI tests

* refactor: Logic & security improvements

* refactor: Retrieve publishing jobs and DRY the workflows

* fix: Test workflow syntax

* fix: Upstream Release Tag for test workflow

* chore: Remove test workflow

* ci: Run WebUI jobs on `ubuntu-24.04-arm`

* refactor: Post-CR cleanup

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>
Co-authored-by: Aleksander Grygier <aleksander.grygier@gmail.com>

* refactor: CI cleanup

* refactor: Cleanup

* test: Test workflow

* refactor: use LLAMA_BUILD_NUMBER instead of LLAMA_BUILD_TAG for HF Bucket webui downloads

* server: add fallback mechanism for HF Bucket webui downloads from latest directory

* fix: Incorrect argument order in file(SHA256) calls for checksum verification

* refactor: Use cmake script for handling the HF Bucket download on build time

* feat: support local npm build for WebUI assets

* refactor: add `HF_ENABLED` flag to control WebUI build/download provisioning

* refactor: Cleanup

* chore: Remove test workflow

* fix: remove s390x from release workflow

* fix: add webui-build dependency to ubuntu-22-rocm and windows-hip

* Revert "fix: remove s390x from release workflow"

This reverts commit debcfffa9bc1e3112eae41f2d29741b682e4eb19.

* fix: Release workflow file

* fix: Proper release tag used for HF Bucket upload

* fix: Remove duplicate steps in release workflow

---------

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

tools/server/webui/src/lib/components/app/server/ServerLoadingSplash.svelte

@@ -8,8 +8,7 @@
 		message?: string;
 	}
 
-	let { class: className = '', message = 'Initializing connection to llama.cpp server...' }: Props =
-		$props();
+	let { class: className = '', message = 'Initializing connection to server...' }: Props = $props();
 </script>
 
 <div class="flex h-full items-center justify-center {className}">

tools/server/webui/src/lib/constants/ui.ts

@@ -5,7 +5,7 @@ import { ROUTES } from './routes';
 
 export const FORK_TREE_DEPTH_PADDING = 8;
 export const SYSTEM_MESSAGE_PLACEHOLDER = 'System message';
-export const APP_NAME = import.meta.env.VITE_PUBLIC_APP_NAME || 'llama.cpp';
+export const APP_NAME = import.meta.env.VITE_PUBLIC_APP_NAME || 'llama-ui';
 
 export const ICON_STRIP_TRANSITION_DURATION = 150;
 export const ICON_STRIP_TRANSITION_DELAY_MULTIPLIER = 50;

tools/server/webui/src/lib/services/chat.service.ts

@@ -76,7 +76,7 @@ export class ChatService {
 	 */
 
 	/**
-	 * Sends a chat completion request to the llama.cpp server.
+	 * Sends a chat completion request to the llama-server.
 	 * Supports both streaming and non-streaming responses with comprehensive parameter configuration.
 	 * Automatically converts database messages with attachments to the appropriate API format.
 	 *

tools/server/webui/src/routes/(chat)/chat/[id]/+page.svelte

@@ -3,7 +3,7 @@
 	import { page } from '$app/state';
 	import { afterNavigate } from '$app/navigation';
 	import { DialogModelNotAvailable } from '$lib/components/app';
-	import { ROUTES } from '$lib/constants/routes';
+	import { APP_NAME, ROUTES } from '$lib/constants';
 	import { chatStore, isLoading } from '$lib/stores/chat.svelte';
 	import { conversationsStore, activeConversation } from '$lib/stores/conversations.svelte';
 	import { modelsStore, modelOptions } from '$lib/stores/models.svelte';
@@ -125,7 +125,7 @@
 </script>
 
 <svelte:head>
-	<title>{activeConversation()?.name || 'Chat'} - llama.cpp</title>
+	<title>{activeConversation()?.name || 'Chat'} - {APP_NAME}</title>
 </svelte:head>
 
 <DialogModelNotAvailable