feat(web): render skill calls as inline chips

apps/web/src/components/ChatMarkdown.tsx

@@ -1,5 +1,6 @@
 import { DiffsHighlighter, getSharedHighlighter, SupportedLanguages } from "@pierre/diffs";
 import { CheckIcon, CopyIcon } from "lucide-react";
+import type { ServerProviderSkill } from "@t3tools/contracts";
 import React, {
   Children,
   Suspense,
@@ -19,6 +20,7 @@ import ReactMarkdown from "react-markdown";
 import { defaultUrlTransform } from "react-markdown";
 import remarkGfm from "remark-gfm";
 import { VscodeEntryIcon } from "./chat/VscodeEntryIcon";
+import { renderSkillInlineMarkdownChildren } from "./chat/SkillInlineText";
 import { Tooltip, TooltipPopup, TooltipTrigger } from "./ui/tooltip";
 import { stackedThreadToast, toastManager } from "./ui/toast";
 import { openInPreferredEditor } from "../editorPreferences";
@@ -59,8 +61,11 @@ interface ChatMarkdownProps {
   text: string;
   cwd: string | undefined;
   isStreaming?: boolean;
+  skills?: ReadonlyArray<Pick<ServerProviderSkill, "name" | "displayName">>;
 }
 
+const EMPTY_MARKDOWN_SKILLS: ReadonlyArray<Pick<ServerProviderSkill, "name" | "displayName">> = [];
+
 const CODE_FENCE_LANGUAGE_REGEX = /(?:^|\s)language-([^\s]+)/;
 const MAX_HIGHLIGHT_CACHE_ENTRIES = 500;
 const MAX_HIGHLIGHT_CACHE_MEMORY_BYTES = 50 * 1024 * 1024;
@@ -507,7 +512,12 @@ function areMarkdownFileLinkPropsEqual(
   );
 }
 
-function ChatMarkdown({ text, cwd, isStreaming = false }: ChatMarkdownProps) {
+function ChatMarkdown({
+  text,
+  cwd,
+  isStreaming = false,
+  skills = EMPTY_MARKDOWN_SKILLS,
+}: ChatMarkdownProps) {
   const { resolvedTheme } = useTheme();
   const diffThemeName = resolveDiffThemeName(resolvedTheme);
   const markdownFileLinkMetaByHref = useMemo(() => {
@@ -534,6 +544,12 @@ function ChatMarkdown({ text, cwd, isStreaming = false }: ChatMarkdownProps) {
   }, []);
   const markdownComponents = useMemo<Components>(
     () => ({
+      p({ node: _node, children, ...props }) {
+        return <p {...props}>{renderSkillInlineMarkdownChildren(children, skills)}</p>;
+      },
+      li({ node: _node, children, ...props }) {
+        return <li {...props}>{renderSkillInlineMarkdownChildren(children, skills)}</li>;
+      },
       a({ node: _node, href, ...props }) {
         const normalizedHref = href ? normalizeMarkdownLinkHrefKey(href) : "";
         const fileLinkMeta = normalizedHref ? markdownFileLinkMetaByHref.get(normalizedHref) : null;
@@ -592,6 +608,7 @@ function ChatMarkdown({ text, cwd, isStreaming = false }: ChatMarkdownProps) {
       isStreaming,
       markdownFileLinkMetaByHref,
       resolvedTheme,
+      skills,
     ],
   );
 

apps/web/src/components/ChatView.tsx

@@ -195,6 +195,7 @@
 const EMPTY_ACTIVITIES: OrchestrationThreadActivity[] = [];
 const EMPTY_PROPOSED_PLANS: Thread["proposedPlans"] = [];
 const EMPTY_PROVIDERS: ServerProvider[] = [];
+const EMPTY_PROVIDER_SKILLS: ServerProvider["skills"] = [];
 const EMPTY_PENDING_USER_INPUT_ANSWERS: Record<string, PendingUserInputDraftAnswer> = {};
 type EnvironmentUnavailableState = {
   readonly environmentId: EnvironmentId;
@@ -1779,7 +1780,7 @@
   );
 
   const focusComposer = useCallback(() => {
     composerRef.current?.focusAtEnd();
   }, []);
   const scheduleComposerFocus = useCallback(() => {
     window.requestAnimationFrame(() => {
@@ -1787,7 +1788,7 @@
     });
   }, [focusComposer]);
   const addTerminalContextToDraft = useCallback((selection: TerminalContextSelection) => {
     composerRef.current?.addTerminalContext(selection);
   }, []);
   const setTerminalOpen = useCallback(
     (open: boolean) => {
@@ -2466,7 +2467,7 @@
       const shortcutContext = {
         terminalFocus: isTerminalFocused(),
         terminalOpen: Boolean(terminalState.terminalOpen),
         modelPickerOpen: composerRef.current?.isModelPickerOpen() ?? false,
       };
 
       const command = resolveShortcutCommand(event, keybindings, {
@@ -3018,7 +3019,7 @@
         };
       });
       promptRef.current = "";
       composerRef.current?.resetCursorState({ cursor: 0 });
     },
     [activePendingProgress?.activeQuestion, activePendingUserInput],
   );
@@ -3045,7 +3046,7 @@
           ),
         },
       }));
       const snapshot = composerRef.current?.readSnapshot();
       if (
         snapshot?.value !== value ||
         snapshot.cursor !== nextCursor ||
@@ -3108,7 +3109,7 @@
         return;
       }
 
       const sendCtx = composerRef.current?.getSendContext();
       if (!sendCtx) {
         return;
       }
@@ -3245,7 +3246,7 @@
       return;
     }
 
     const sendCtx = composerRef.current?.getSendContext();
     if (!sendCtx) {
       return;
     }
@@ -3574,6 +3575,7 @@
               resolvedTheme={resolvedTheme}
               timestampFormat={timestampFormat}
               workspaceRoot={activeWorkspaceRoot}
+              skills={activeProviderStatus?.skills ?? EMPTY_PROVIDER_SKILLS}
               onIsAtEndChange={onIsAtEndChange}
             />
 

apps/web/src/components/ComposerPromptEditor.tsx

@@ -72,6 +72,7 @@ import {
   COMPOSER_INLINE_CHIP_ICON_CLASS_NAME,
   COMPOSER_INLINE_CHIP_LABEL_CLASS_NAME,
   COMPOSER_INLINE_SKILL_CHIP_CLASS_NAME,
+  SKILL_CHIP_ICON_SVG,
 } from "./composerInlineChip";
 import { ComposerPendingTerminalContextChip } from "./chat/ComposerPendingTerminalContexts";
 import { formatProviderSkillDisplayName } from "~/providerSkillPresentation";
@@ -216,8 +217,6 @@ function $createComposerMentionNode(path: string): ComposerMentionNode {
   return $applyNodeReplacement(new ComposerMentionNode(path));
 }
 
-const SKILL_CHIP_ICON_SVG = `<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.85" stroke-linecap="round" stroke-linejoin="round"><path d="M21 8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16Z"/><path d="m3.3 7 8.7 5 8.7-5"/><path d="M12 22V12"/></svg>`;
-
 function resolveSkillDescription(
   skill: Pick<ServerProviderSkill, "shortDescription" | "description">,
 ): string | null {

apps/web/src/components/chat/MessagesTimeline.tsx

@@ -1,4 +1,9 @@
-import { type EnvironmentId, type MessageId, type TurnId } from "@t3tools/contracts";
+import {
+  type EnvironmentId,
+  type MessageId,
+  type ServerProviderSkill,
+  type TurnId,
+} from "@t3tools/contracts";
 import {
   createContext,
   memo,
@@ -60,6 +65,7 @@ import {
   formatInlineTerminalContextLabel,
   textContainsInlineTerminalContextLabels,
 } from "./userMessageTerminalContexts";
+import { SkillInlineText } from "./SkillInlineText";
 import { formatWorkspaceRelativePath } from "../../filePathDisplay";
 
 // ---------------------------------------------------------------------------
@@ -75,6 +81,7 @@ interface TimelineRowSharedState {
   markdownCwd: string | undefined;
   resolvedTheme: "light" | "dark";
   workspaceRoot: string | undefined;
+  skills: ReadonlyArray<Pick<ServerProviderSkill, "name" | "displayName">>;
   activeThreadEnvironmentId: EnvironmentId;
   onRevertUserMessage: (messageId: MessageId) => void;
   onImageExpand: (preview: ExpandedImagePreview) => void;
@@ -93,6 +100,7 @@ const TimelineRowCtx = createContext<TimelineRowSharedState>(null!);
 const TimelineRowActivityCtx = createContext<TimelineRowActivityState>(null!);
 const TIMELINE_LIST_HEADER = <div className="h-3 sm:h-4" />;
 const TIMELINE_LIST_FOOTER = <div className="h-3 sm:h-4" />;
+const EMPTY_TIMELINE_SKILLS: ReadonlyArray<Pick<ServerProviderSkill, "name" | "displayName">> = [];
 
 // ---------------------------------------------------------------------------
 // Props (public API)
@@ -119,6 +127,7 @@ interface MessagesTimelineProps {
   resolvedTheme: "light" | "dark";
   timestampFormat: TimestampFormat;
   workspaceRoot: string | undefined;
+  skills?: ReadonlyArray<Pick<ServerProviderSkill, "name" | "displayName">>;
   onIsAtEndChange: (isAtEnd: boolean) => void;
 }
 
@@ -147,6 +156,7 @@ export const MessagesTimeline = memo(function MessagesTimeline({
   resolvedTheme,
   timestampFormat,
   workspaceRoot,
+  skills = EMPTY_TIMELINE_SKILLS,
   onIsAtEndChange,
 }: MessagesTimelineProps) {
   const rawRows = useMemo(
@@ -202,6 +212,7 @@ export const MessagesTimeline = memo(function MessagesTimeline({
       markdownCwd,
       resolvedTheme,
       workspaceRoot,
+      skills,
       activeThreadEnvironmentId,
       onRevertUserMessage,
       onImageExpand,
@@ -213,6 +224,7 @@ export const MessagesTimeline = memo(function MessagesTimeline({
       markdownCwd,
       resolvedTheme,
       workspaceRoot,
+      skills,
       activeThreadEnvironmentId,
       onRevertUserMessage,
       onImageExpand,
@@ -357,6 +369,7 @@ function UserTimelineRow({ row }: { row: Extract<TimelineRow, { kind: "message"
           <UserMessageBody
             text={displayedUserMessage.visibleText}
             terminalContexts={terminalContexts}
+            skills={ctx.skills}
           />
         )}
         <div className="mt-1.5 flex items-center justify-end gap-2">
@@ -405,6 +418,7 @@ function AssistantTimelineRow({ row }: { row: Extract<TimelineRow, { kind: "mess
           text={messageText}
           cwd={ctx.markdownCwd}
           isStreaming={Boolean(row.message.streaming)}
+          skills={ctx.skills}
         />
         <AssistantChangedFilesSection
           turnSummary={row.assistantTurnDiffSummary}
@@ -723,6 +737,7 @@ const UserMessageTerminalContextInlineLabel = memo(
 const UserMessageBody = memo(function UserMessageBody(props: {
   text: string;
   terminalContexts: ParsedTerminalContextEntry[];
+  skills: ReadonlyArray<Pick<ServerProviderSkill, "name" | "displayName">>;
 }) {
   if (props.terminalContexts.length > 0) {
     const hasEmbeddedInlineLabels = textContainsInlineTerminalContextLabels(
@@ -745,7 +760,7 @@ const UserMessageBody = memo(function UserMessageBody(props: {
         if (matchIndex > cursor) {
           inlineNodes.push(
             <span key={`user-terminal-context-inline-before:${context.header}:${cursor}`}>
-              {props.text.slice(cursor, matchIndex)}
+              <SkillInlineText text={props.text.slice(cursor, matchIndex)} skills={props.skills} />
             </span>,
           );
         }
@@ -762,7 +777,7 @@ const UserMessageBody = memo(function UserMessageBody(props: {
         if (cursor < props.text.length) {
           inlineNodes.push(
             <span key={`user-message-terminal-context-inline-rest:${cursor}`}>
-              {props.text.slice(cursor)}
+              <SkillInlineText text={props.text.slice(cursor)} skills={props.skills} />
             </span>,
           );
         }
@@ -790,7 +805,11 @@ const UserMessageBody = memo(function UserMessageBody(props: {
     }
 
     if (props.text.length > 0) {
-      inlineNodes.push(<span key="user-message-terminal-context-inline-text">{props.text}</span>);
+      inlineNodes.push(
+        <span key="user-message-terminal-context-inline-text">
+          <SkillInlineText text={props.text} skills={props.skills} />
+        </span>,
+      );
     } else if (inlinePrefix.length === 0) {
       return null;
     }
@@ -808,7 +827,7 @@ const UserMessageBody = memo(function UserMessageBody(props: {
 
   return (
     <div className="whitespace-pre-wrap wrap-break-word text-sm leading-relaxed text-foreground">
-      {props.text}
+      <SkillInlineText text={props.text} skills={props.skills} />
     </div>
   );
 });

apps/web/src/components/chat/SkillInlineText.tsx

@@ -0,0 +1,87 @@
+import { Children, cloneElement, isValidElement, type ReactNode } from "react";
+import type { ServerProviderSkill } from "@t3tools/contracts";
+
+import { formatProviderSkillDisplayName } from "../../providerSkillPresentation";
+import {
+  COMPOSER_INLINE_CHIP_ICON_CLASS_NAME,
+  COMPOSER_INLINE_CHIP_LABEL_CLASS_NAME,
+  COMPOSER_INLINE_SKILL_CHIP_CLASS_NAME,
+  SKILL_CHIP_ICON_SVG,
+} from "../composerInlineChip";
+
+const SKILL_TOKEN_REGEX = /(^|\s)\$([a-zA-Z][a-zA-Z0-9:_-]*)(?=\s|$)/g;
+
+type InlineSkill = Pick<ServerProviderSkill, "name" | "displayName">;
+
+export function SkillInlineText(props: { text: string; skills: ReadonlyArray<InlineSkill> }) {
+  const nodes: ReactNode[] = [];
+  let cursor = 0;
+
+  for (const match of props.text.matchAll(SKILL_TOKEN_REGEX)) {
+    const prefix = match[1] ?? "";
+    const name = match[2] ?? "";
+    const start = (match.index ?? 0) + prefix.length;
+    const rawText = `$${name}`;
+    const skill = props.skills.find((candidate) => candidate.name === name);
+    if (!skill) {
+      continue;
+    }
+
+    if (start > cursor) {
+      nodes.push(props.text.slice(cursor, start));
+    }
+    nodes.push(<SkillChip key={`${start}:${name}`} skill={skill} rawText={rawText} />);
+    cursor = start + rawText.length;
+  }
+
+  if (cursor === 0) {
+    return <>{props.text}</>;
+  }
+  if (cursor < props.text.length) {
+    nodes.push(props.text.slice(cursor));
+  }
+  return <>{nodes}</>;
+}
+
+export function renderSkillInlineMarkdownChildren(
+  children: ReactNode,
+  skills: ReadonlyArray<InlineSkill>,
+): ReactNode {
+  return Children.map(children, (child) => {
+    if (typeof child === "string") {
+      return <SkillInlineText text={child} skills={skills} />;
+    }
+    if (!isValidElement<{ children?: ReactNode }>(child)) {
+      return child;
+    }
+    if (child.type === "code" || child.type === "a") {
+      return child;
+    }
+    if (!("children" in child.props)) {
+      return child;
+    }
+    return cloneElement(
+      child,
+      undefined,
+      renderSkillInlineMarkdownChildren(child.props.children, skills),
+    );
+  });
+}
+
+function SkillChip(props: { skill: InlineSkill; rawText: string }) {
+  return (
+    <span className="inline-flex align-middle leading-none">
+      <span className="sr-only">{props.rawText}</span>
+      <span aria-hidden="true" className={COMPOSER_INLINE_SKILL_CHIP_CLASS_NAME}>
+        <span
+          aria-hidden="true"
+          className={COMPOSER_INLINE_CHIP_ICON_CLASS_NAME}
+          dangerouslySetInnerHTML={{ __html: SKILL_CHIP_ICON_SVG }}
+        />
+        <span className={COMPOSER_INLINE_CHIP_LABEL_CLASS_NAME}>
+          {formatProviderSkillDisplayName(props.skill)}
+        </span>
+      </span>
+    </span>
+  );
+}

apps/web/src/components/composerInlineChip.ts

@@ -8,5 +8,7 @@ export const COMPOSER_INLINE_CHIP_LABEL_CLASS_NAME = "truncate select-none leadi
 export const COMPOSER_INLINE_SKILL_CHIP_CLASS_NAME =
   "inline-flex max-w-full select-none items-center gap-1 rounded-md border border-fuchsia-500/25 bg-fuchsia-500/12 px-1.5 py-px font-medium text-[12px] leading-[1.1] text-fuchsia-700 align-middle dark:text-fuchsia-300";
 
+export const SKILL_CHIP_ICON_SVG = `<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="1.85" stroke-linecap="round" stroke-linejoin="round"><path d="M21 8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16Z"/><path d="m3.3 7 8.7 5 8.7-5"/><path d="M12 22V12"/></svg>`;
+
 export const COMPOSER_INLINE_CHIP_DISMISS_BUTTON_CLASS_NAME =
   "ml-0.5 inline-flex size-3.5 shrink-0 cursor-pointer items-center justify-center rounded-sm text-muted-foreground/72 transition-colors hover:bg-foreground/6 hover:text-foreground focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring";