feat(tui): add UI for skill tool in session view (#11561)

packages/opencode/src/cli/cmd/tui/routes/session/index.tsx

@@ -43,6 +43,7 @@ import type { ApplyPatchTool } from "@/tool/apply_patch"
 import type { WebFetchTool } from "@/tool/webfetch"
 import type { TaskTool } from "@/tool/task"
 import type { QuestionTool } from "@/tool/question"
+import type { SkillTool } from "@/tool/skill"
 import { useKeyboard, useRenderer, useTerminalDimensions, type JSX } from "@opentui/solid"
 import { useSDK } from "@tui/context/sdk"
 import { useCommandDialog } from "@tui/component/dialog-command"
@@ -1447,6 +1448,9 @@ function ToolPart(props: { last: boolean; part: ToolPart; message: AssistantMess
         <Match when={props.part.tool === "question"}>
           <Question {...toolprops} />
         </Match>
+        <Match when={props.part.tool === "skill"}>
+          <Skill {...toolprops} />
+        </Match>
         <Match when={true}>
           <GenericTool {...toolprops} />
         </Match>
@@ -1797,7 +1801,7 @@ function Task(props: ToolProps<typeof TaskTool>) {
 
   return (
     <Switch>
-      <Match when={props.metadata.summary?.length}>
+      <Match when={props.input.description || props.input.subagent_type}>
         <BlockTool
           title={"# " + Locale.titlecase(props.input.subagent_type ?? "unknown") + " Task"}
           onClick={
@@ -1809,7 +1813,7 @@ function Task(props: ToolProps<typeof TaskTool>) {
         >
           <box>
             <text style={{ fg: theme.textMuted }}>
-              {props.input.description} ({props.metadata.summary?.length} toolcalls)
+              {props.input.description} ({props.metadata.summary?.length ?? 0} toolcalls)
             </text>
             <Show when={current()}>
               <text style={{ fg: current()!.state.status === "error" ? theme.error : theme.textMuted }}>
@@ -1818,22 +1822,17 @@ function Task(props: ToolProps<typeof TaskTool>) {
               </text>
             </Show>
           </box>
-          <text fg={theme.text}>
-            {keybind.print("session_child_cycle")}
-            <span style={{ fg: theme.textMuted }}> view subagents</span>
-          </text>
+          <Show when={props.metadata.sessionId}>
+            <text fg={theme.text}>
+              {keybind.print("session_child_cycle")}
+              <span style={{ fg: theme.textMuted }}> view subagents</span>
+            </text>
+          </Show>
         </BlockTool>
       </Match>
       <Match when={true}>
-        <InlineTool
-          icon="◉"
-          iconColor={color()}
-          pending="Delegating..."
-          complete={props.input.subagent_type ?? props.input.description}
-          part={props.part}
-        >
-          <span style={{ fg: theme.text }}>{Locale.titlecase(props.input.subagent_type ?? "unknown")}</span> Task "
-          {props.input.description}"
+        <InlineTool icon="#" pending="Delegating..." complete={props.input.subagent_type} part={props.part}>
+          {props.input.subagent_type} Task {props.input.description}
         </InlineTool>
       </Match>
     </Switch>
@@ -2038,6 +2037,14 @@ function Question(props: ToolProps<typeof QuestionTool>) {
   )
 }
 
+function Skill(props: ToolProps<typeof SkillTool>) {
+  return (
+    <InlineTool icon="→" pending="Loading skill..." complete={props.input.name} part={props.part}>
+      Skill "{props.input.name}"
+    </InlineTool>
+  )
+}
+
 function normalizePath(input?: string) {
   if (!input) return ""
   if (path.isAbsolute(input)) {