List subagent sessions

packages/opencode/src/cli/cmd/tui/app.tsx

@@ -19,6 +19,7 @@ import { DialogHelp } from "./ui/dialog-help"
 import { CommandProvider, useCommandDialog } from "@tui/component/dialog-command"
 import { DialogAgent } from "@tui/component/dialog-agent"
 import { DialogSessionList } from "@tui/component/dialog-session-list"
+import { DialogChildSessionList } from "@tui/component/dialog-child-session-list"
 import { KeybindProvider } from "@tui/context/keybind"
 import { ThemeProvider, useTheme } from "@tui/context/theme"
 import { Home } from "@tui/routes/home"
@@ -297,6 +298,15 @@ function App() {
         dialog.clear()
       },
     },
+    {
+      title: "List subagent sessions",
+      value: "session.child.list",
+      keybind: "session_child_list",
+      category: "Session",
+      onSelect: () => {
+        dialog.replace(() => <DialogChildSessionList />)
+      },
+    },
     {
       title: "Switch model",
       value: "model.list",

packages/opencode/src/cli/cmd/tui/component/dialog-child-session-list.tsx

@@ -0,0 +1,57 @@
+import { useDialog } from "@tui/ui/dialog"
+import { DialogSelect } from "@tui/ui/dialog-select"
+import { useRoute } from "@tui/context/route"
+import { useSync } from "@tui/context/sync"
+import { createMemo, onMount } from "solid-js"
+import { Locale } from "@/util/locale"
+
+export function DialogChildSessionList() {
+  const dialog = useDialog()
+  const sync = useSync()
+  const route = useRoute()
+
+  const currentSessionID = createMemo(() => (route.data.type === "session" ? route.data.sessionID : undefined))
+  const currentSession = createMemo(() => sync.session.get(currentSessionID()!))
+
+  const options = createMemo(() => {
+    const current = currentSession()
+    if (!current) return []
+
+    const parentID = current.parentID ?? current.id
+
+    const allSessions = sync.data.session
+      .filter((x) => x.id === parentID || x.parentID === parentID)
+      .toSorted((b, a) => a.id.localeCompare(b.id))
+
+    return allSessions.map((x) => {
+      const isParent = x.id === parentID
+      const label = isParent ? "Main" : "Subagent"
+
+      return {
+        title: `${x.title}`,
+        value: x.id,
+        category: label,
+        footer: Locale.time(x.time.updated),
+      }
+    })
+  })
+
+  onMount(() => {
+    dialog.setSize("large")
+  })
+
+  return (
+    <DialogSelect
+      title="Subagent Sessions"
+      options={options()}
+      current={currentSessionID()}
+      onSelect={(option) => {
+        route.navigate({
+          type: "session",
+          sessionID: option.value,
+        })
+        dialog.clear()
+      }}
+    />
+  )
+}

packages/opencode/src/cli/cmd/tui/component/prompt/autocomplete.tsx

@@ -314,6 +314,11 @@ export function Autocomplete(props: {
         description: "list sessions",
         onSelect: () => command.trigger("session.list"),
       },
+      {
+        display: "/subagent-sessions",
+        description: "list subagent sessions",
+        onSelect: () => command.trigger("session.child.list"),
+      },
       {
         display: "/status",
         description: "show status",

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

@@ -1676,7 +1676,16 @@ ToolRegistry.register<typeof TaskTool>({
         </Show>
         <text fg={theme.text}>
           {keybind.print("session_child_cycle")}, {keybind.print("session_child_cycle_reverse")}
-          <span style={{ fg: theme.textMuted }}> to navigate between subagent sessions</span>
+          <span style={{ fg: theme.textMuted }}> to navigate subagent sessions</span>
+          <Show when={keybind.print("session_child_list")}>
+            {(key) => (
+              <>
+                {" "}
+                {key()}
+                <span style={{ fg: theme.textMuted }}> to list subagent sessions</span>
+              </>
+            )}
+          </Show>
         </text>
       </>
     )

packages/opencode/src/config/config.ts

@@ -563,6 +563,7 @@ export namespace Config {
       history_next: z.string().optional().default("down").describe("Next history item"),
       session_child_cycle: z.string().optional().default("<leader>right").describe("Next child session"),
       session_child_cycle_reverse: z.string().optional().default("<leader>left").describe("Previous child session"),
+      session_child_list: z.string().optional().default("none").describe("List subagent sessions"),
       session_parent: z.string().optional().default("<leader>up").describe("Go to parent session"),
       terminal_suspend: z.string().optional().default("ctrl+z").describe("Suspend terminal"),
       terminal_title_toggle: z.string().optional().default("none").describe("Toggle terminal title"),

packages/sdk/js/src/gen/types.gen.ts

@@ -954,6 +954,10 @@ export type KeybindsConfig = {
    * Previous child session
    */
   session_child_cycle_reverse?: string
+  /**
+   * List subagent sessions
+   */
+  session_child_list?: string
   /**
    * Suspend terminal
    */

packages/sdk/js/src/v2/gen/types.gen.ts

@@ -1133,6 +1133,10 @@ export type KeybindsConfig = {
    * Previous child session
    */
   session_child_cycle_reverse?: string
+  /**
+   * List subagent sessions
+   */
+  session_child_list?: string
   /**
    * Go to parent session
    */

packages/sdk/openapi.json

@@ -7664,6 +7664,11 @@
             "default": "<leader>left",
             "type": "string"
           },
+          "session_child_list": {
+            "description": "List subagent sessions",
+            "default": "none",
+            "type": "string"
+          },
           "session_parent": {
             "description": "Go to parent session",
             "default": "<leader>up",