feat: add skills management to chat component

- Introduced skills functionality in Chat.svelte, MessageInput.svelte, and related components.
- Added SkillsModal for displaying and managing available skills.
- Updated state management to include selectedSkillIds and integrate skills API.
- Enhanced UI to show available skills and their descriptions.
- Updated translations to support skills-related text.

src/lib/components/chat/Chat.svelte

@@ -38,6 +38,7 @@
 		showArtifacts,
 		artifactContents,
 		tools,
+		skills,
 		toolServers,
 		terminalServers,
 		functions,
@@ -91,6 +92,7 @@
 		getTaskIdsByChatId
 	} from '$lib/apis';
 	import { getTools } from '$lib/apis/tools';
+	import { getSkills } from '$lib/apis/skills';
 	import { uploadFile } from '$lib/apis/files';
 	import { createOpenAITextStream } from '$lib/apis/streaming';
 	import { getFunctions } from '$lib/apis/functions';
@@ -149,6 +151,7 @@
 	}
 
 	let selectedToolIds = [];
+	let selectedSkillIds = [];
 	let selectedFilterIds = [];
 	let pendingOAuthTools = [];
 
@@ -206,6 +209,7 @@
 
 		files = [];
 		selectedToolIds = [];
+		selectedSkillIds = [];
 		selectedFilterIds = [];
 		webSearchEnabled = false;
 		imageGenerationEnabled = false;
@@ -241,6 +245,7 @@
 						messageInput?.setText(input.prompt);
 						files = input.files;
 						selectedToolIds = input.selectedToolIds;
+						selectedSkillIds = input.selectedSkillIds ?? [];
 						selectedFilterIds = input.selectedFilterIds;
 						webSearchEnabled = input.webSearchEnabled;
 						imageGenerationEnabled = input.imageGenerationEnabled;
@@ -301,6 +306,7 @@
 
 	const resetInput = async () => {
 		selectedToolIds = [];
+		selectedSkillIds = [];
 		selectedFilterIds = [];
 		pendingOAuthTools = [];
 		webSearchEnabled = false;
@@ -327,6 +333,9 @@
 		if (!$functions) {
 			functions.set(await getFunctions(localStorage.token));
 		}
+		if (!$skills) {
+			skills.set(await getSkills(localStorage.token));
+		}
 		if (selectedModels.length !== 1 && !atSelectedModel) {
 			return;
 		}
@@ -364,6 +373,19 @@
 				selectedToolIds = selectedToolIds.filter((id) => !id.startsWith('direct_server:'));
 			}
 
+			// Set Default Skills
+			if (model?.info?.meta?.skillIds) {
+				selectedSkillIds = [
+					...new Set(
+						[...(model?.info?.meta?.skillIds ?? [])].filter((id) =>
+							($skills ?? []).find((s) => s.id === id && s.is_active)
+						)
+					)
+				];
+			} else {
+				selectedSkillIds = [];
+			}
+
 			// Set Default Filters (Toggleable only)
 			if (model?.info?.meta?.defaultFilterIds) {
 				selectedFilterIds = model.info.meta.defaultFilterIds.filter((id) =>
@@ -808,6 +830,7 @@
 
 				files = [];
 				selectedToolIds = [];
+				selectedSkillIds = [];
 				selectedFilterIds = [];
 				webSearchEnabled = false;
 				imageGenerationEnabled = false;
@@ -820,6 +843,7 @@
 						messageInput?.setText(input.prompt);
 						files = input.files;
 						selectedToolIds = input.selectedToolIds;
+						selectedSkillIds = input.selectedSkillIds ?? [];
 						selectedFilterIds = input.selectedFilterIds;
 						webSearchEnabled = input.webSearchEnabled;
 						imageGenerationEnabled = input.imageGenerationEnabled;
@@ -2361,11 +2385,15 @@
 
 		// Parse skill mentions (<$skillId|label>) from user messages
 		const skillMentionRegex = /<\$([^|>]+)\|?[^>]*>/g;
-		const skillIds = [];
+		const skillIds = [...selectedSkillIds];
+		const mentionSkillIds = [];
 		for (const message of messages) {
 			const content =
 				typeof message.content === 'string' ? message.content : (message.content?.[0]?.text ?? '');
 			for (const match of content.matchAll(skillMentionRegex)) {
+				if (!mentionSkillIds.includes(match[1])) {
+					mentionSkillIds.push(match[1]);
+				}
 				if (!skillIds.includes(match[1])) {
 					skillIds.push(match[1]);
 				}
@@ -2373,7 +2401,7 @@
 		}
 
 		// Strip skill mentions from message content
-		if (skillIds.length > 0) {
+		if (mentionSkillIds.length > 0) {
 			messages = messages.map((message) => {
 				if (typeof message.content === 'string') {
 					return {
@@ -3102,6 +3130,7 @@
 									bind:prompt
 									bind:autoScroll
 									bind:selectedToolIds
+									bind:selectedSkillIds
 									bind:selectedFilterIds
 									bind:imageGenerationEnabled
 									bind:codeInterpreterEnabled
@@ -3183,6 +3212,7 @@
 									bind:prompt
 									bind:autoScroll
 									bind:selectedToolIds
+									bind:selectedSkillIds
 									bind:selectedFilterIds
 									bind:imageGenerationEnabled
 									bind:codeInterpreterEnabled

src/lib/components/chat/MessageInput.svelte

@@ -27,6 +27,7 @@
 		config,
 		showCallOverlay,
 		tools,
+		skills,
 		toolServers,
 		terminalServers,
 		user as _user,
@@ -58,6 +59,7 @@
 	import { getChatById } from '$lib/apis/chats';
 	import { getSessionUser } from '$lib/apis/auths';
 	import { getTools } from '$lib/apis/tools';
+	import { getSkills } from '$lib/apis/skills';
 
 	import { WEBUI_BASE_URL, WEBUI_API_BASE_URL, PASTED_TEXT_CHARACTER_LIMIT } from '$lib/constants';
 	import { getOAuthClientAuthorizationUrl } from '$lib/apis/configs';
@@ -69,6 +71,7 @@
 	import VoiceRecording from './MessageInput/VoiceRecording.svelte';
 
 	import ToolServersModal from './ToolServersModal.svelte';
+	import SkillsModal from './SkillsModal.svelte';
 
 	import RichTextInput from '../common/RichTextInput.svelte';
 	import Tooltip from '../common/Tooltip.svelte';
@@ -80,6 +83,7 @@
 	import GlobeAlt from '../icons/GlobeAlt.svelte';
 	import Photo from '../icons/Photo.svelte';
 	import Wrench from '../icons/Wrench.svelte';
+	import Keyframes from '../icons/Keyframes.svelte';
 	import Sparkles from '../icons/Sparkles.svelte';
 
 	import InputVariablesModal from './MessageInput/InputVariablesModal.svelte';
@@ -131,6 +135,7 @@
 	export let files = [];
 
 	export let selectedToolIds = [];
+	export let selectedSkillIds = [];
 	export let selectedFilterIds = [];
 
 	export let imageGenerationEnabled = false;
@@ -176,6 +181,7 @@
 				};
 			}),
 		selectedToolIds,
+		selectedSkillIds,
 		selectedFilterIds,
 		imageGenerationEnabled,
 		webSearchEnabled,
@@ -418,6 +424,7 @@
 	let suggestions = null;
 
 	let showTools = false;
+	let showSkills = false;
 
 	let loaded = false;
 	let recording = false;
@@ -508,6 +515,9 @@
 	let showToolsButton = false;
 	$: showToolsButton = ($tools ?? []).length > 0 || ($toolServers ?? []).length > 0;
 
+	let showSkillsButton = false;
+	$: showSkillsButton = ($skills ?? []).some((skill) => skill.is_active);
+
 	let showWebSearchButton = false;
 	$: showWebSearchButton =
 		(atSelectedModel?.id ? [atSelectedModel.id] : selectedModels).length ===
@@ -1098,6 +1108,7 @@
 			}
 
 			tools.set(await getTools(localStorage.token));
+			skills.set(await getSkills(localStorage.token));
 		};
 		initialize();
 
@@ -1120,6 +1131,7 @@
 </script>
 
 <ToolServersModal bind:show={showTools} {selectedToolIds} />
+<SkillsModal bind:show={showSkills} {selectedSkillIds} />
 
 <InputVariablesModal
 	bind:show={showInputVariablesModal}
@@ -1668,7 +1680,7 @@
 										</div>
 									</InputMenu>
 
-									{#if showWebSearchButton || showImageGenerationButton || showCodeInterpreterButton || showToolsButton || (toggleFilters && toggleFilters.length > 0)}
+									{#if showWebSearchButton || showImageGenerationButton || showCodeInterpreterButton || showToolsButton || showSkillsButton || (toggleFilters && toggleFilters.length > 0)}
 										<div
 											class="flex self-center w-[1px] h-4 mx-1 bg-gray-200/50 dark:bg-gray-800/50"
 										/>
@@ -1680,6 +1692,7 @@
 											{showImageGenerationButton}
 											{showCodeInterpreterButton}
 											bind:selectedToolIds
+											bind:selectedSkillIds
 											bind:selectedFilterIds
 											bind:webSearchEnabled
 											bind:imageGenerationEnabled
@@ -1751,6 +1764,29 @@
 											</Tooltip>
 										{/if}
 
+										{#if (selectedSkillIds ?? []).length > 0}
+											<Tooltip
+												content={$i18n.t('{{COUNT}} Available Skills', {
+													COUNT: (selectedSkillIds ?? []).length
+												})}
+											>
+												<button
+													class="translate-y-[0.5px] px-1 flex gap-1 items-center text-gray-600 dark:text-gray-300 hover:text-gray-700 dark:hover:text-gray-200 rounded-lg self-center transition"
+													aria-label="Available Skills"
+													type="button"
+													on:click={() => {
+														showSkills = !showSkills;
+													}}
+												>
+													<Keyframes className="size-4" strokeWidth="1.75" />
+
+													<span class="text-sm">
+														{(selectedSkillIds ?? []).length}
+													</span>
+												</button>
+											</Tooltip>
+										{/if}
+
 										{#each selectedFilterIds as filterId (filterId)}
 											{@const filter = toggleFilters.find((f) => f.id === filterId)}
 											{#if filter}

src/lib/components/chat/MessageInput/IntegrationsMenu.svelte

@@ -6,6 +6,7 @@
 		config,
 		user,
 		tools as _tools,
+		skills as _skills,
 		mobile,
 		settings,
 		toolServers,
@@ -15,6 +16,7 @@
 	import { getOAuthClientAuthorizationUrl } from '$lib/apis/configs';
 	import { deleteOAuthSession } from '$lib/apis/auths';
 	import { getTools } from '$lib/apis/tools';
+	import { getSkills } from '$lib/apis/skills';
 
 	import { toast } from 'svelte-sonner';
 
@@ -24,6 +26,7 @@
 	import Switch from '$lib/components/common/Switch.svelte';
 	import Spinner from '$lib/components/common/Spinner.svelte';
 	import Wrench from '$lib/components/icons/Wrench.svelte';
+	import Keyframes from '$lib/components/icons/Keyframes.svelte';
 	import Sparkles from '$lib/components/icons/Sparkles.svelte';
 	import GlobeAlt from '$lib/components/icons/GlobeAlt.svelte';
 	import Photo from '$lib/components/icons/Photo.svelte';
@@ -35,6 +38,7 @@
 	const i18n = getContext('i18n');
 
 	export let selectedToolIds: string[] = [];
+	export let selectedSkillIds: string[] = [];
 
 	export let selectedModels: string[] = [];
 	export let fileUploadCapableModels: string[] = [];
@@ -58,6 +62,7 @@
 	let tab = '';
 
 	let tools = null;
+	let skills = null;
 
 	$: if (show) {
 		init();
@@ -99,6 +104,26 @@
 		}
 
 		selectedToolIds = selectedToolIds.filter((id) => Object.keys(tools).includes(id));
+
+		if ($_skills === null) {
+			await _skills.set(await getSkills(localStorage.token));
+		}
+
+		if ($_skills) {
+			skills = $_skills
+				.filter((skill) => skill.is_active)
+				.reduce((a, skill) => {
+					a[skill.id] = {
+						name: skill.name,
+						description: skill.description,
+						enabled: selectedSkillIds.includes(skill.id),
+						...skill
+					};
+					return a;
+				}, {});
+		}
+
+		selectedSkillIds = selectedSkillIds.filter((id) => Object.keys(skills ?? {}).includes(id));
 	};
 </script>
 
@@ -141,6 +166,28 @@
 								</div>
 							</button>
 						{/if}
+
+						{#if skills && Object.keys(skills).length > 0}
+							<button
+								class="flex w-full justify-between gap-2 items-center px-3 py-1.5 text-sm cursor-pointer rounded-xl hover:bg-gray-50 dark:hover:bg-gray-800/50"
+								on:click={() => {
+									tab = 'skills';
+								}}
+							>
+								<Keyframes className="size-4" strokeWidth="1.75" />
+
+								<div class="flex items-center w-full justify-between">
+									<div class=" line-clamp-1">
+										{$i18n.t('Skills')}
+										<span class="ml-0.5 text-gray-500">{Object.keys(skills).length}</span>
+									</div>
+
+									<div class="text-gray-500">
+										<ChevronRight />
+									</div>
+								</div>
+							</button>
+						{/if}
 					{:else}
 						<div class="py-4">
 							<Spinner />
@@ -439,6 +486,59 @@
 						</button>
 					{/each}
 				</div>
+			{:else if tab === 'skills' && skills}
+				<div in:fly={{ x: 20, duration: 150 }}>
+					<button
+						class="flex w-full justify-between gap-2 items-center px-3 py-1.5 text-sm cursor-pointer rounded-xl hover:bg-gray-50 dark:hover:bg-gray-800/50"
+						on:click={() => {
+							tab = '';
+						}}
+					>
+						<ChevronLeft />
+
+						<div class="flex items-center w-full justify-between">
+							<div>
+								{$i18n.t('Skills')}
+								<span class="ml-0.5 text-gray-500">{Object.keys(skills).length}</span>
+							</div>
+						</div>
+					</button>
+
+					{#each Object.keys(skills) as skillId}
+						<button
+							class="relative flex w-full justify-between gap-2 items-center px-3 py-1.5 text-sm cursor-pointer rounded-xl hover:bg-gray-50 dark:hover:bg-gray-800/50"
+							on:click={async () => {
+								skills[skillId].enabled = !skills[skillId].enabled;
+
+								const state = skills[skillId].enabled;
+								await tick();
+
+								if (state) {
+									selectedSkillIds = [...selectedSkillIds, skillId];
+								} else {
+									selectedSkillIds = selectedSkillIds.filter((id) => id !== skillId);
+								}
+							}}
+						>
+							<div class="flex-1 truncate">
+								<div class="flex flex-1 gap-2 items-center">
+									<Tooltip content={skills[skillId]?.name ?? ''} placement="top">
+										<div class="shrink-0">
+											<Keyframes className="size-4" strokeWidth="1.75" />
+										</div>
+									</Tooltip>
+									<Tooltip content={skills[skillId]?.description ?? ''} placement="top-start">
+										<div class=" truncate">{skills[skillId].name}</div>
+									</Tooltip>
+								</div>
+							</div>
+
+							<div class=" shrink-0">
+								<Switch state={skills[skillId].enabled} />
+							</div>
+						</button>
+					{/each}
+				</div>
 			{/if}
 		</div>
 	</div>

src/lib/components/chat/Placeholder.svelte

@@ -47,6 +47,7 @@
 	export let messageInput = null;
 
 	export let selectedToolIds = [];
+	export let selectedSkillIds = [];
 	export let selectedFilterIds = [];
 	export let pendingOAuthTools = [];
 
@@ -217,6 +218,7 @@
 					bind:prompt
 					bind:autoScroll
 					bind:selectedToolIds
+					bind:selectedSkillIds
 					bind:selectedFilterIds
 					bind:imageGenerationEnabled
 					bind:codeInterpreterEnabled

src/lib/components/chat/SkillsModal.svelte

@@ -0,0 +1,60 @@
+<script lang="ts">
+	import { getContext } from 'svelte';
+	import { skills } from '$lib/stores';
+
+	import Modal from '../common/Modal.svelte';
+	import Collapsible from '../common/Collapsible.svelte';
+	import XMark from '$lib/components/icons/XMark.svelte';
+
+	export let show = false;
+	export let selectedSkillIds = [];
+
+	let selectedSkills = [];
+
+	$: selectedSkills = ($skills ?? []).filter((skill) => selectedSkillIds.includes(skill.id));
+
+	const i18n = getContext('i18n');
+</script>
+
+<Modal bind:show size="md">
+	<div>
+		<div class=" flex justify-between dark:text-gray-300 px-5 pt-4 pb-0.5">
+			<div class=" text-lg font-medium self-center">{$i18n.t('Available Skills')}</div>
+			<button
+				class="self-center"
+				aria-label={$i18n.t('Close')}
+				on:click={() => {
+					show = false;
+				}}
+			>
+				<XMark className={'size-5'} />
+			</button>
+		</div>
+
+		{#if selectedSkills.length > 0}
+			<div class=" flex justify-between dark:text-gray-300 px-5 pb-1">
+				<div class=" text-base font-medium self-center">{$i18n.t('Skills')}</div>
+			</div>
+
+			<div class="px-5 pb-5 w-full flex flex-col justify-center">
+				<div class=" text-sm dark:text-gray-300 mb-1">
+					{#each selectedSkills as skill}
+						<Collapsible buttonClassName="w-full mb-0.5">
+							<div class="truncate">
+								<div class="text-sm font-medium dark:text-gray-100 text-gray-800 truncate">
+									{skill?.name}
+								</div>
+
+								{#if skill?.description}
+									<div class="text-xs text-gray-500">
+										{skill?.description}
+									</div>
+								{/if}
+							</div>
+						</Collapsible>
+					{/each}
+				</div>
+			</div>
+		{/if}
+	</div>
+</Modal>

src/lib/i18n/locales/en-US/translation.json

@@ -10,6 +10,7 @@
 	"[Yesterday at] h:mm A": "",
 	"{{ models }}": "",
 	"{{COUNT}} Available Tools": "",
+	"{{COUNT}} Available Skills": "",
 	"{{COUNT}} characters": "",
 	"{{COUNT}} extracted lines": "",
 	"{{COUNT}} files": "",
@@ -240,6 +241,7 @@
 	"Available list": "",
 	"Available models": "",
 	"Available Tools": "",
+	"Available Skills": "",
 	"available users": "",
 	"available!": "",
 	"Away": "",