[harshithmullapudi]

Summary

ACP chat agents (acp-chat flag) now behave like terminal agents everywhere outside the pane, and the background work they start is visible and stoppable in one place.

1. Sidebar and workspace parity: status dots, chime, agent count, ports, workspace auto-naming, last-active ranking and page-comment delivery work for a pane on the chat surface.
2. Standardised background work: dev servers and subagents are reported through the JetBrains AIR ACP extension that claude-agent-acp and codex-acp both speak, as one backgroundTasks list on the chat session.
3. Workspace activity menu: the Pages menu moves to the tab bar and groups background processes (with stop), subagents and pages. It replaces the background terminals button.

Also includes: a queued-prompt badge on sidebar rows, the chat session title as the pane title, scroll-to-load for older messages, tool runs that collapse once the turn moves on, and composer buttons sized to match.

---

Part 1: Sidebar and workspace parity

Why

Switching an agent pane to the chat surface kills its pty, which ends the terminal agent binding. Every sidebar signal is keyed by that binding, so a chat showed no status, count, ports or title, and a workspace opened straight into a chat stayed "New workspace".

How

• A LiveSessionObserver in chat-runtime lets the host follow sessions. chat-v3/chatAgentBridge.ts reports each chat under the pane's terminal id, which the renderer now passes as an optional terminalId on createSession.
• Chat bindings live in memory in TerminalAgentStore and merge into listByWorkspace. The lifecycle fan-out (broadcast, activity, naming, linked-task start) is shared with the hook handler via fan-out-agent-lifecycle.ts.
• The adapter pid is registered with the port scanner, and SUPERSET_TERMINAL_ID is set in the agent env, so detached dev servers are attributed. The reaper leaves chat-owned port sessions alone.
• Page watches deliver to the chat as a prompt (promptChatSession). That only happens when a chat is attached to the terminal, which only happens behind the flag. Otherwise delivery is unchanged.
• workspaces.create and createSession take an optional namingAgent, so chat-opened workspaces get an AI title.

Part 2: Background tasks and subagents

Why

Users could not see that an agent had a dev server running or a subagent working, and could not stop either.

How

• The adapter advertises AIR asyncTasks and nativeSubagentSessions. It folds async_task_*, subagent_spawned/state_update and ACP v2 subagent_update into a shared BackgroundTasks tracker.
• Child-session output stays out of the parent transcript. A subagent gets one transcript row, and its latest step becomes its detail, coalesced to one update a second.
• stopBackgroundTask runs protocol → router → live session → adapter (_session/async_task/stop).

Decision	Choice	Rationale
Source of truth	AIR extension, not _meta.claudeCode	Both shipped ACP adapters implement it, so any AIR-speaking agent works without UI changes
Surface	Workspace-level menu, not a strip on the composer	Covers every agent in the workspace and keeps the composer clean
Stop all	Agent tasks only	Detached terminals keep a per-row stop; one click should not kill a user's dev servers

Part 3: Desktop

• WorkspaceActivityMenu (renamed from WorkspacePagesMenu): groups with a header action, and a running-count dot on the trigger.
• BackgroundTerminalsButton is removed. Its helpers moved to $workspaceId/utils/backgroundTerminals.
• DashboardSidebarWorkspaceQueuedBadge: queued prompt count per workspace.
• useLoadOlderOnReach replaces the "Load earlier messages" button.
• transcriptRows: a tool run collapses once later entries exist and none of its tools are running.

---

Manual QA

Checked in the dev app over CDP with the acp-chat and chat-v3 flag overrides:

• Chat-opened workspace gets an AI title in the sidebar ("Add port conflict troubleshooting to README")
• Activity menu lists a chat's background dev server with stop and stop-all; Pages group has "+", no "View all"
• Sidebar row shows the working state and the port chip for a chat agent
• Header button height matches Changes/Commit (28px); composer Send matches the pickers (26px)
• Live probe against claude-agent-acp 0.85: a background shell task and a native subagent appear, show their step, and clear when done; subagent tool calls stay out of the parent transcript

Not verified end to end:

• Page comment delivered into a chat
• Queued badge with a busy chat
• Stopping a task from the menu
• codex-acp

Testing

• bun test in packages/chat (42), packages/chat-runtime (193), host-service chat-v3, terminal-agents, page-watch, notifications and terminal-agents router (264), and the desktop v2-workspace and DashboardSidebar suites (631). All pass.
• tsc --noEmit is clean for every touched file. The remaining errors in this worktree are ungenerated route types and auth typings on main.
• bun run check:i18n passes, with all new strings translated in 16 locales.
• The full host-service suite has 41 failures in git-watcher, tunnel dial and git-helpers tests that this branch does not touch (jest.advanceTimersByTime is missing under the local Bun 1.3.2).

What changes for users without the flag

The activity menu ships to everyone, because it replaces the Pages menu and the background terminals button:

• The trigger is always in the tab bar. It shows a running dot and count for agent background tasks and subagents (terminal agents' subagents included); idle detached terminals are listed but not counted.
• Detached terminals keep a per-row stop and reopen on click. The attach debounce and a loading state carry over from the old button, and terminals shown in the right pane area (feat(desktop): right pane area behind the right-pane-area flag #8194) count as attached.
• Pages moved here from the right sidebar and right pane area headers.
• Terminal-agent subagents now appear in the Subagents group; clicking one opens its transcript.

Compatibility

All tRPC changes are additive and optional (terminalId, namingAgent, stopBackgroundTask, binding fields chatSessionId, backgroundTasks, queuedPrompts). Older hosts strip the unknown inputs and never emit the new fields, so the new UI stays empty.

Known Limitations

• Only AIR-speaking ACP adapters report background work. The native (non-ACP) Claude and Codex harnesses don't feed the tracker yet.
• Chat subagents are not in the sidebar agents chip, because its rows open a transcript file that only terminal agents have.
• A page watch registered while the pane was a terminal is dropped when the pane switches to chat. Publishing again from the chat re-registers it.
• Chat bindings are in memory; after a host restart they return when the pane re-creates its session.

Follow-ups

• agents run --continue on a chat pane should prompt the chat instead of launching a terminal agent.

Rollout / Rollback

Behind the existing acp-chat flag. With the flag off, no chat sessions exist and every terminal path is unchanged. The exception is the activity menu replacing the background terminals button, which ships to everyone. Rollback is a revert of the three commits.

---

Summary by cubic

ACP chat agents behind the acp-chat flag now behave like terminal agents everywhere outside the pane, and the background work they start — dev servers and subagents — is visible and stoppable from a new workspace activity menu.

Background work

• Chat sessions report under the pane's terminal id, so sidebar status, ports, agent count, workspace naming, and page-comment delivery work as with terminal agents.
• Dev servers and subagents come from the JetBrains AIR extension that claude-agent-acp and codex-acp both speak, folded into one backgroundTasks list; subagent output stays out of the parent transcript, and stale or duplicate updates don't revive a finished subagent. Once the parent session is known, updates from any other session — including those arriving while a resume replays history — are treated as child activity, so a stray titled tool call never reaches the parent transcript.
• Step changes travel as live-only background deltas, so they don't journal or bump the session's updatedAt; the task list itself stays durable.
• stopBackgroundTask stops a chat's background task from the menu — only tasks the adapter knows and can stop — and detached terminals keep their per-row stop. A disconnected subagent shows as failed, and clearing a dead chat's statuses leaves it failed so it isn't treated as alive.
• Chat bindings live in memory and reappear when the pane re-creates its session after a host restart; closing a fork only falls back to the original chat when the replacement never started, and a pane that adopts a branched copy closes the chat it branched from.

UI

• Pages and background work move into the tab bar's workspace activity menu, which replaces the background terminals button and ships to everyone; the menu debounces pane attachment, shows a loading state for terminal sessions, its running dot counts agent tasks and subagents rather than idle detached terminals, its clock follows every listed row, and arrow keys move between items.
• Sidebar rows show a queued-prompt badge (announced to screen readers); chat panes take the session title; resumed chats open at their end only after the session starts; older messages load on scroll once the user has scrolled up, with a retry on failure; tool runs collapse once the turn moves past them; composer buttons match the pickers.

^{Written for commit cd70fd3. Summary will update on new commits.}

Summary by CodeRabbit

• New Features

  • Added a workspace activity menu that brings background processes, subagents, workspace pages, and pinned pages together. Open or stop eligible background work, stop all stoppable agent tasks, and create pages from the menu.
  • Workspace items display queued-message counts.
  • Chat transcripts load older messages as you scroll, with progress and retry feedback.
  • Supported background tasks can be stopped, and chat sessions can display updated titles.
  • Workspace naming can use the selected agent when creating a chat workspace.

• Bug Fixes

  • Improved tool-call collapsing while keeping active work and pending approvals visible.
  • Chat transcripts show a loading state while a session is starting, even when messages are already present.

[coderabbitai]

📝 Walkthrough

Walkthrough

The pull request adds chat-backed background-task tracking and workspace activity controls. It replaces separate terminal and page menus, adds queued-message indicators, changes transcript loading, updates workspace naming inputs, and refreshes localized labels.

Changes

Workspace activity and chat integration

Layer / File(s)	Summary
Chat protocol and runtime task lifecycle packages/chat/src/protocol/*, packages/chat-runtime/src/{commands,harness,sessions,router}/*	Schemas and APIs carry terminal IDs, background tasks, subagent markers, task-stop requests, and session observers. The ACP adapter tracks task and subagent lifecycle events.
Host terminal bindings and lifecycle packages/host-service/src/chat-v3/*, packages/host-service/src/terminal-agents/*, packages/host-service/src/app.ts, packages/host-service/src/terminal/*	Chat sessions map to terminal bindings. The bridge records queued prompts, background tasks, lifecycle events, previews, and terminal process IDs. Terminal delivery can prompt a bound chat session.
Workspace activity menu and queued prompts apps/desktop/.../WorkspaceActivityMenu/*, apps/desktop/.../page.tsx, apps/desktop/.../DashboardSidebarExpandedWorkspaceRow/*	The new menu combines detached terminals, background processes, subagents, workspace pages, and pinned pages. Workspace rows show queued prompts. The page replaces separate pages and background-terminal menus.
Localized activity labels packages/i18n/locales/*/messages.po	Locale catalogs add labels for queued messages, background work, workspace activity, retries, stopping tasks, and empty states. Obsolete terminal-session and page labels are removed.

Transcript and workspace creation

Layer / File(s)	Summary
Transcript history and tool-run presentation apps/desktop/.../Transcript/*, apps/desktop/.../SessionView.tsx, packages/chat/src/react/useChatSession/*	Older transcript pages load through an intersection sentinel with loading and retry states. Tool-run collapse rules and the starting-session display change.
Workspace naming inputs apps/desktop/.../useSubmitWorkspace.ts, packages/host-service/src/trpc/router/workspace-creation/*, packages/host-service/src/trpc/router/workspaces/workspaces.ts	Workspace snapshots and creation procedures pass naming prompt and agent values, with fallback behavior when the first launched agent does not provide an agent name.

Estimated code review effort: 4 (Complex) | ~60 minutes

Change: Feature

Sequence Diagram(s)

sequenceDiagram
  participant WorkspaceActivityMenu
  participant ChatSession
  participant ChatRuntime
  participant AcpAdapter
  WorkspaceActivityMenu->>ChatSession: request background-task stop
  ChatSession->>ChatRuntime: submit stopBackgroundTask
  ChatRuntime->>AcpAdapter: request task stop

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🚥 Pre-merge checks | ✅ 4 | ❓ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Docstring Coverage	❓ Inconclusive	Docstring coverage is 11.11% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 27 functions across 50 files. (43 skipped…	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Title check	✅ Passed	The title follows the conventional commit format and clearly summarizes the main ACP chat changes: sidebar parity, background work, and subagents.
Description check	✅ Passed	The description explains what changed and why, describes implementation details, and provides manual QA and test results. It does not include the template’s Checklist section, but the missing checklis…

Full details: Docstring Coverage

Explanation

Docstring coverage is 11.11% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 27 functions across 50 files. (43 skipped: 17 unsupported, 26 over the file limit.)

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[greptile-apps]

Confidence Score: 4/5

[Medium risk] Refactors workspace sidebar and activity menu UI.

Fix the invisible chat binding left after closing a fork before merging.

Findings

1.  Closed chat returns ▶
2.  Queued badge lags ▶
3.  Child renames parent chat ▶

Fix with agent prompt

### Issue 1
packages/host-service/src/chat-v3/chatAgentBridge.ts:253-265
Closing a forked chat restores the original chat's binding even though no pane shows it anymore. `forkSession` now copies the source `terminalId`, while `forkHere` replaces the pane's session without closing the source. Closing the pane or switching surfaces closes only the fork, so this fallback leaves an invisible chat in the sidebar and activity menu. Page comments can also go to that hidden conversation.

Close or detach the source when replacing it, rather than restoring it as the pane's owner.

### Issue 2
packages/host-service/src/chat-v3/chatAgentBridge.ts:198-203
The observer reads the count before the new prompt enters the queue. `LiveSession.prompt` publishes the queued message synchronously, then calls `queue.push`, so this code saves the old count. While the agent waits for approval or runs a long tool without output, no later event corrects the badge.

Update the count after the queue changes, or publish a separate event after adding the prompt.

### Issue 3
packages/chat-runtime/src/harness/acp/acpAdapter.ts:669-673
A child's `session_info_update` changes the parent chat's title. This branch runs before the child-session check and calls `emitSession` without checking `outer.data.sessionId`. When a subagent reports its title, the parent chat and pane get that title instead.

Apply title updates only to the parent session, or move the child check before this branch.

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Summary

Adds sidebar signals and page-comment delivery for ACP chats, tracks background processes and subagents, and combines background work and pages in a workspace activity menu.

• Adds task-stop commands, queued-message badges, chat pane titles, and scroll-to-load history.
• Closing a fork can restore an invisible original chat.
• Queued counts lag when the agent is quiet, and child title updates can rename the parent chat.

Known limitations acknowledged by harshithmullapudi: native-harness background tracking, chat subagents in the sidebar chip, watch preservation across terminal-to-chat switching, binding persistence across host restarts, and agents run --continue support are deferred. harshithmullapudi also described removing “View all” as intentional.

Diagram

%%{init: {'theme': 'neutral'}}%%
flowchart LR
  ACP[ACP agent] --> Adapter[Chat adapter]
  Adapter --> Live[Live chat session]
  Live --> Journal[(Chat journal)]
  Live --> Bridge[Chat agent bridge]
  Bridge --> Bindings[Agent bindings]
  Bridge --> Ports[Port scanner]
  Bindings --> Sidebar[Sidebar signals]
  Bindings --> Menu[Workspace activity menu]
  Menu -->|Stop task| Live
  Watch[Page comments] --> Live

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_{Reviews (1) · Last reviewed commit: "feat(desktop): workspace activity menu a..."}

[cubic-dev-ai]

All reported issues were addressed across 104 files

Architecture diagram

sequenceDiagram
    participant Renderer as Renderer
    participant Host as Host Service
    participant Store as TerminalAgentStore
    participant Runtime as Chat Runtime
    participant Adapter as ACP Adapter
    participant Agent as ACP Agent (claude/codex)
    participant Menu as WorkspaceActivityMenu
    participant Ports as Port Manager

    Note over Renderer,Agent: ACP Chat "Behind The Flag" Lifecycle & Background Work

    Renderer->>Renderer: AcpChatPane creates session with terminalId
    Renderer->>Runtime: createSession({terminalId, workspaceId, ...})
    Runtime->>Runtime: LiveSessionRegistry.start()

    Runtime->>Adapter: spawn ACP agent process
    Adapter->>Agent: Start JSON-RPC session
    Adapter->>Adapter: Collect pid/spawn

    Note over Store,Ports: Chat Agent Bridge (observer) wires terminal identity

    Adapter->>Host: onSpawn(pid) / started(options)
    Host->>Store: recordChatEvent(terminalId, chatSessionId, ...)
    Host->>Ports: upsertSession(terminalId, workspaceId, pid)
    Host->>Ports: register as signed-off terminal for port scans

    Agent-->>Adapter: session_info_update (chat title)
    Adapter-->>Runtime: emitSession({title})
    Runtime-->>Host: published(envelope)

    Host->>Store: updateChat(terminalId, {title})

    Agent-->>Adapter: async_task_spawned (dev server)
    Adapter->>Runtime: BackgroundTasks.start(kind=process)
    Runtime-->>Host: session state with backgroundTasks[]
    Host->>Store: updateChat(terminalId, {backgroundTasks})

    Agent-->>Adapter: subagent_spawned + tool updates
    Adapter->>Runtime: BackgroundTasks.start(kind=subagent)
    Adapter->>Runtime: background detail coalesced (1/sec)
    Runtime-->>Host: session state with backgroundTasks[]
    Host->>Store: updateChat(terminalId, {backgroundTasks})

    Menu->>Host: listByWorkspace(workspaceId)
    Host-->>Menu: bindings with chatSessionId + backgroundTasks
    Menu->>Menu: collectBackgroundWork(processes + subagents)
    Menu->>Store: show running count + rows with Stop buttons

    Menu->>Runtime: stopBackgroundTask({sessionId, taskId})
    Runtime->>Adapter: stopBackgroundTask(taskId)
    Adapter->>Agent: _session/async_task/stop
    Agent-->>Adapter: {stopped: true}
    Adapter-->>Runtime: true
    Runtime-->>Menu: task stopped (binding refreshes)

    Note over Host,Store: Sidecar delivery: page comment -> chat prompt

    Renderer->>Host: send message for terminal (comment/page)
    Host->>Store: getChat(terminalId)
    alt Has chatSessionId
        Host->>Runtime: promptChatSession(chatSessionId, text)
        Runtime-->>Renderer: message delivered into chat transcript
    else No chat binding
        Host->>Host: legacy terminal send path
    end

    opt Chat session ends
        Runtime-->>Host: stopped(sessionId)
        Host->>Store: endChat(terminalId)
        Host->>Ports: unregisterSession(terminalId)
    end

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[coderabbitai]

Actionable comments posted: 1

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Inline comments:
Review comments at @packages/i18n/locales/pt-BR/messages.po:
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📥 Commits

Reviewing files that changed from the base of the PR and between 7cf1d72 and 9e8fa52.

📒 Files selected for processing (104)

• apps/desktop/src/renderer/routes/_authenticated/_dashboard/components/DashboardSidebar/components/DashboardSidebarWorkspaceItem/components/DashboardSidebarExpandedWorkspaceRow/DashboardSidebarExpandedWorkspaceRow.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/components/DashboardSidebar/components/DashboardSidebarWorkspaceItem/components/DashboardSidebarWorkspaceQueuedBadge/DashboardSidebarWorkspaceQueuedBadge.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/components/DashboardSidebar/components/DashboardSidebarWorkspaceItem/components/DashboardSidebarWorkspaceQueuedBadge/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/BackgroundTerminalsButton/BackgroundTerminalsButton.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/BackgroundTerminalsButton/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/WorkspaceActivityMenu.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/components/BackgroundWorkRow/BackgroundWorkRow.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/components/BackgroundWorkRow/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/components/MenuGroup/MenuGroup.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/components/MenuGroup/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/components/NewPageComposer/NewPageComposer.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/components/NewPageComposer/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/components/PagesMenuRow/PagesMenuRow.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/components/PagesMenuRow/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/stores/pagesMenuSeenStore/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/stores/pagesMenuSeenStore/pagesMenuSeenStore.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/utils/collectBackgroundWork/collectBackgroundWork.test.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/utils/collectBackgroundWork/collectBackgroundWork.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/utils/collectBackgroundWork/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/utils/selectMenuPages/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/utils/selectMenuPages/selectMenuPages.test.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceActivityMenu/utils/selectMenuPages/selectMenuPages.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspacePagesMenu/WorkspacePagesMenu.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspacePagesMenu/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceSidebar/WorkspaceSidebar.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspaceSidebar/components/PRActionHeader/PRActionHeader.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/hooks/useAutoAdoptBackgroundSessions/useAutoAdoptBackgroundSessions.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/hooks/usePaneRegistry/components/AgentTerminalPane/AgentTerminalPane.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/hooks/usePaneRegistry/components/AgentTerminalPane/components/AcpChatPane/AcpChatPane.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/hooks/usePaneRegistry/components/ChatSession/components/SessionView/SessionView.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/hooks/usePaneRegistry/components/ChatSession/components/Transcript/Transcript.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/hooks/usePaneRegistry/components/ChatSession/components/Transcript/hooks/useLoadOlderOnReach/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/hooks/usePaneRegistry/components/ChatSession/components/Transcript/hooks/useLoadOlderOnReach/useLoadOlderOnReach.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/hooks/usePaneRegistry/components/ChatSession/components/Transcript/utils/transcriptRows/transcriptRows.test.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/hooks/usePaneRegistry/components/ChatSession/components/Transcript/utils/transcriptRows/transcriptRows.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/hooks/usePaneRegistry/components/ChatSession/hooks/useSessionClient/useSessionClient.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/hooks/usePaneRegistry/usePaneRegistry.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/page.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/types.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/utils/backgroundTerminals/backgroundTerminals.test.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/utils/backgroundTerminals/backgroundTerminals.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/utils/backgroundTerminals/index.ts
• apps/desktop/src/renderer/routes/_authenticated/components/DashboardNewWorkspaceModal/components/DashboardNewWorkspaceForm/PromptGroup/hooks/useSubmitWorkspace/useSubmitWorkspace.ts
• packages/chat-runtime/src/commands/commands/commands.ts
• packages/chat-runtime/src/harness/acp/acpAdapter.test.ts
• packages/chat-runtime/src/harness/acp/acpAdapter.ts
• packages/chat-runtime/src/harness/acp/air/air.ts
• packages/chat-runtime/src/harness/acp/air/index.ts
• packages/chat-runtime/src/harness/acp/rpcClient/rpcClient.ts
• packages/chat-runtime/src/harness/acp/wire.ts
• packages/chat-runtime/src/harness/backgroundTasks/backgroundTasks.test.ts
• packages/chat-runtime/src/harness/backgroundTasks/backgroundTasks.ts
• packages/chat-runtime/src/harness/backgroundTasks/index.ts
• packages/chat-runtime/src/harness/index.ts
• packages/chat-runtime/src/harness/types.ts
• packages/chat-runtime/src/index.ts
• packages/chat-runtime/src/router/router/router.ts
• packages/chat-runtime/src/sessions/index.ts
• packages/chat-runtime/src/sessions/liveSession/liveSession.ts
• packages/chat-runtime/src/sessions/registry/index.ts
• packages/chat-runtime/src/sessions/registry/registry.ts
• packages/chat-ui/src/components/PromptInput/components/ComposerBody/ComposerBody.tsx
• packages/chat/src/client/sessionClient/sessionClient.ts
• packages/chat/src/protocol/commands.ts
• packages/chat/src/protocol/envelope.ts
• packages/chat/src/protocol/items.ts
• packages/chat/src/react/useChatSession/useChatSession.ts
• packages/host-service/src/app.ts
• packages/host-service/src/chat-v3/acpHarnesses.ts
• packages/host-service/src/chat-v3/agentEnv.ts
• packages/host-service/src/chat-v3/chatAgentBridge.test.ts
• packages/host-service/src/chat-v3/chatAgentBridge.ts
• packages/host-service/src/chat-v3/index.ts
• packages/host-service/src/chat-v3/mount.ts
• packages/host-service/src/chat-v3/promptChatSession.test.ts
• packages/host-service/src/chat-v3/promptChatSession.ts
• packages/host-service/src/ports/port-manager.ts
• packages/host-service/src/terminal-agents/store.test.ts
• packages/host-service/src/terminal-agents/store.ts
• packages/host-service/src/terminal-agents/types.ts
• packages/host-service/src/terminal/reaper/reaper.ts
• packages/host-service/src/trpc/router/notifications/fan-out-agent-lifecycle.ts
• packages/host-service/src/trpc/router/notifications/notifications.ts
• packages/host-service/src/trpc/router/terminal-agents/terminal-agents.ts
• packages/host-service/src/trpc/router/workspace-creation/procedures/create-session.ts
• packages/host-service/src/trpc/router/workspaces/workspaces.ts
• packages/i18n/locales/cs/messages.po
• packages/i18n/locales/de/messages.po
• packages/i18n/locales/en/messages.po
• packages/i18n/locales/es/messages.po
• packages/i18n/locales/fr/messages.po
• packages/i18n/locales/id/messages.po
• packages/i18n/locales/it/messages.po
• packages/i18n/locales/ja/messages.po
• packages/i18n/locales/ko/messages.po
• packages/i18n/locales/nl/messages.po
• packages/i18n/locales/pl/messages.po
• packages/i18n/locales/pt-BR/messages.po
• packages/i18n/locales/ru/messages.po
• packages/i18n/locales/tr/messages.po
• packages/i18n/locales/vi/messages.po
• packages/i18n/locales/zh-CN/messages.po
• packages/i18n/locales/zh-TW/messages.po

💤 Files with no reviewable changes (4)

• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/BackgroundTerminalsButton/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspacePagesMenu/index.ts
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/WorkspacePagesMenu/WorkspacePagesMenu.tsx
• apps/desktop/src/renderer/routes/_authenticated/_dashboard/v2-workspace/$workspaceId/components/BackgroundTerminalsButton/BackgroundTerminalsButton.tsx

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[cubic-dev-ai]

All reported issues were addressed across 8 files (changes from recent commits).

<sub>Tip: Review your code locally with the cubic CLI to iterate faster.

Re-trigger cubic</sub>

[harshithmullapudi]

Rebased onto main (now includes #8194) and squashed to one commit, cd70fd3. Answers to the questions on the review page:

• Terminal-Claude subagents in the activity menu without the flag? Intended. The menu is the shared place for background work across agents. The PR description now has a "What changes for users without the flag" section. The running dot counts agent tasks and subagents, not idle detached terminals.
• Should "Branch here" close the source? Yes. The pane closes the session it branched from once it adopts the copy, and only an established replacement ends the binding. The fallback is kept for a replacement that fails to start.
• Journaling every detail tick? No longer. Steps travel as a live-only background delta. Only start, end and rename are durable.
• Excluding agent-owned listeners from the ports scan? Not in this PR. It matches terminal agents today, whose MCP servers and login callbacks sit in the pty's process tree and are listed the same way. Filtering agent-owned listeners for both surfaces belongs in a separate change. The CDP port in your run was the dev-only inherited socket you described.
• "Worked for 0s" without the earlier errors, and the mode back to "Ask for approval" after a restart? The resumed chat replays the agent's own transcript. Host-side error notices were never part of it, so they don't come back. The pane now stays on "Opening the conversation" until the replay finishes and opens at the end. I haven't reproduced the mode reset. The resume passes the pane's saved chatModeId, which main's onModeChange (feat(chat): cascading model picker, agent switching, full access by default #8162) now keeps up to date. If it persists, I'll follow up separately.

The smaller items on the page are fixed too:

• a disconnected subagent shows as failed;
• stopBackgroundTask refuses unknown and unstoppable tasks;
• clearing statuses leaves a failed chat failed;
• each Stop button is labelled with its row's name;
• the dead getUnattachedTerminalIds helper is removed;
• the loading state and the attach debounce are back.

pendingBroadcasts is cleared on stop because stopped() broadcasts immediately. loadOlder with a null cursor and hasOlder true is not reachable, as you noted.