Task management

apps/sim/app/api/mothership/chat/route.ts

@@ -103,6 +103,7 @@ export async function POST(req: NextRequest) {
         userId: authenticatedUserId,
         workspaceId,
         model: 'claude-opus-4-5',
+        type: 'mothership',
       })
       currentChat = chatResult.chat
       actualChatId = chatResult.chatId || chatId

apps/sim/app/api/mothership/chats/route.ts

@@ -1,7 +1,7 @@
 import { db } from '@sim/db'
 import { copilotChats } from '@sim/db/schema'
 import { createLogger } from '@sim/logger'
-import { and, desc, eq, isNull } from 'drizzle-orm'
+import { and, desc, eq } from 'drizzle-orm'
 import { type NextRequest, NextResponse } from 'next/server'
 import { z } from 'zod'
 import {
@@ -40,7 +40,7 @@ export async function GET(request: NextRequest) {
         and(
           eq(copilotChats.userId, userId),
           eq(copilotChats.workspaceId, workspaceId),
-          isNull(copilotChats.workflowId)
+          eq(copilotChats.type, 'mothership')
         )
       )
       .orderBy(desc(copilotChats.updatedAt))
@@ -75,6 +75,7 @@ export async function POST(request: NextRequest) {
       .values({
         userId,
         workspaceId,
+        type: 'mothership',
         title: null,
         model: 'claude-opus-4-5',
         messages: [],

apps/sim/app/workspace/[workspaceId]/home/home.tsx

@@ -16,18 +16,15 @@ export function Home({ chatId, streamId }: HomeProps = {}) {
   const { workspaceId } = useParams<{ workspaceId: string }>()
   const router = useRouter()
   const [inputValue, setInputValue] = useState('')
-  const { messages, isSending, sendMessage, stopGeneration, chatBottomRef } = useChat(
-    workspaceId,
-    chatId,
-    streamId
-  )
+  const { messages, isSending, currentChatId, sendMessage, stopGeneration, chatBottomRef } =
+    useChat(workspaceId, chatId, streamId)
 
   const handleSubmit = useCallback(async () => {
     const trimmed = inputValue.trim()
     if (!trimmed) return
     setInputValue('')
 
-    if (chatId) {
+    if (chatId || currentChatId) {
       sendMessage(trimmed)
       return
     }
@@ -54,7 +51,7 @@ export function Home({ chatId, streamId }: HomeProps = {}) {
     } catch {
       setInputValue(trimmed)
     }
-  }, [inputValue, chatId, sendMessage, workspaceId, router])
+  }, [inputValue, chatId, currentChatId, sendMessage, workspaceId, router])
 
   const hasMessages = messages.length > 0
 

apps/sim/app/workspace/[workspaceId]/home/hooks/use-chat.ts

@@ -21,6 +21,7 @@ export interface UseChatReturn {
   messages: ChatMessage[]
   isSending: boolean
   error: string | null
+  currentChatId: string | undefined
   sendMessage: (message: string) => Promise<void>
   stopGeneration: () => void
   chatBottomRef: React.RefObject<HTMLDivElement | null>
@@ -384,5 +385,13 @@ export function useChat(
     setIsSending(false)
   }, [])
 
-  return { messages, isSending, error, sendMessage, stopGeneration, chatBottomRef }
+  return {
+    messages,
+    isSending,
+    error,
+    currentChatId: chatIdRef.current,
+    sendMessage,
+    stopGeneration,
+    chatBottomRef,
+  }
 }

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/components/nav-item-context-menu/nav-item-context-menu.tsx

@@ -3,36 +3,15 @@
 import { Popover, PopoverAnchor, PopoverContent, PopoverItem } from '@/components/emcn'
 
 interface NavItemContextMenuProps {
-  /**
-   * Whether the context menu is open
-   */
   isOpen: boolean
-  /**
-   * Position of the context menu
-   */
   position: { x: number; y: number }
-  /**
-   * Ref for the menu element
-   */
   menuRef: React.RefObject<HTMLDivElement | null>
-  /**
-   * Callback when menu should close
-   */
   onClose: () => void
-  /**
-   * Callback when open in new tab is clicked
-   */
   onOpenInNewTab: () => void
-  /**
-   * Callback when copy link is clicked
-   */
   onCopyLink: () => void
+  onDelete?: () => void
 }
 
-/**
- * Context menu component for sidebar navigation items.
- * Displays navigation-appropriate options (open in new tab, copy link) in a popover at the right-click position.
- */
 export function NavItemContextMenu({
   isOpen,
   position,
@@ -40,6 +19,7 @@ export function NavItemContextMenu({
   onClose,
   onOpenInNewTab,
   onCopyLink,
+  onDelete,
 }: NavItemContextMenuProps) {
   return (
     <Popover
@@ -75,6 +55,17 @@ export function NavItemContextMenu({
         >
           Copy link
         </PopoverItem>
+        {onDelete && (
+          <PopoverItem
+            onClick={() => {
+              onDelete()
+              onClose()
+            }}
+            className='text-[var(--color-error)]'
+          >
+            Delete
+          </PopoverItem>
+        )}
       </PopoverContent>
     </Popover>
   )

apps/sim/app/workspace/[workspaceId]/w/components/sidebar/sidebar.tsx

@@ -46,7 +46,7 @@ import {
   useImportWorkflow,
   useImportWorkspace,
 } from '@/app/workspace/[workspaceId]/w/hooks'
-import { useTasks } from '@/hooks/queries/tasks'
+import { useDeleteTask, useTasks } from '@/hooks/queries/tasks'
 import { usePermissionConfig } from '@/hooks/use-permission-config'
 import { SIDEBAR_WIDTH } from '@/stores/constants'
 import { useFolderStore } from '@/stores/folders/store'
@@ -183,6 +183,7 @@ export const Sidebar = memo(function Sidebar() {
   })
 
   const [activeNavItemHref, setActiveNavItemHref] = useState<string | null>(null)
+  const [activeTaskId, setActiveTaskId] = useState<string | null>(null)
   const {
     isOpen: isNavContextMenuOpen,
     position: navContextMenuPosition,
@@ -191,9 +192,21 @@ export const Sidebar = memo(function Sidebar() {
     closeMenu: closeNavContextMenu,
   } = useContextMenu()
 
+  const deleteTaskMutation = useDeleteTask(workspaceId)
+
   const handleNavItemContextMenu = useCallback(
     (e: React.MouseEvent, href: string) => {
       setActiveNavItemHref(href)
+      setActiveTaskId(null)
+      handleNavContextMenuBase(e)
+    },
+    [handleNavContextMenuBase]
+  )
+
+  const handleTaskContextMenu = useCallback(
+    (e: React.MouseEvent, href: string, taskId: string) => {
+      setActiveNavItemHref(href)
+      setActiveTaskId(taskId)
       handleNavContextMenuBase(e)
     },
     [handleNavContextMenuBase]
@@ -202,6 +215,7 @@ export const Sidebar = memo(function Sidebar() {
   const handleNavContextMenuClose = useCallback(() => {
     closeNavContextMenu()
     setActiveNavItemHref(null)
+    setActiveTaskId(null)
   }, [closeNavContextMenu])
 
   const handleNavOpenInNewTab = useCallback(() => {
@@ -221,6 +235,18 @@ export const Sidebar = memo(function Sidebar() {
     }
   }, [activeNavItemHref])
 
+  const handleDeleteTask = useCallback(() => {
+    if (!activeTaskId) return
+    const isViewingDeletedTask = pathname === `/workspace/${workspaceId}/task/${activeTaskId}`
+    deleteTaskMutation.mutate(activeTaskId, {
+      onSuccess: () => {
+        if (isViewingDeletedTask) {
+          router.push(`/workspace/${workspaceId}/home`)
+        }
+      },
+    })
+  }, [activeTaskId, pathname, workspaceId, deleteTaskMutation, router])
+
   const { handleDuplicateWorkspace: duplicateWorkspace } = useDuplicateWorkspace({
     workspaceId,
   })
@@ -687,7 +713,7 @@ export const Sidebar = memo(function Sidebar() {
                       key={task.id}
                       href={task.href}
                       className={`mx-[2px] flex h-[28px] items-center gap-[8px] rounded-[8px] px-[8px] text-[14px] hover:bg-[var(--surface-6)] dark:hover:bg-[var(--surface-5)] ${active ? 'bg-[var(--surface-6)] dark:bg-[var(--surface-5)]' : ''}`}
-                      onContextMenu={(e) => handleNavItemContextMenu(e, task.href)}
+                      onContextMenu={(e) => handleTaskContextMenu(e, task.href, task.id)}
                     >
                       <Blimp className={`h-[14px] w-[14px] flex-shrink-0 ${textColor}`} />
                       <div className={`min-w-0 truncate font-medium ${textColor}`}>{task.name}</div>
@@ -813,6 +839,7 @@ export const Sidebar = memo(function Sidebar() {
             onClose={handleNavContextMenuClose}
             onOpenInNewTab={handleNavOpenInNewTab}
             onCopyLink={handleNavCopyLink}
+            onDelete={activeTaskId ? handleDeleteTask : undefined}
           />
         </div>
 

apps/sim/hooks/queries/tasks.ts

@@ -1,4 +1,4 @@
-import { keepPreviousData, useQuery } from '@tanstack/react-query'
+import { keepPreviousData, useMutation, useQuery, useQueryClient } from '@tanstack/react-query'
 
 export interface TaskMetadata {
   id: string
@@ -105,3 +105,27 @@ export function useChatHistory(chatId: string | undefined) {
     staleTime: 30 * 1000,
   })
 }
+
+async function deleteTask(chatId: string): Promise<void> {
+  const response = await fetch('/api/copilot/chat/delete', {
+    method: 'DELETE',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify({ chatId }),
+  })
+  if (!response.ok) {
+    throw new Error('Failed to delete task')
+  }
+}
+
+/**
+ * Deletes a mothership chat task and invalidates the task list.
+ */
+export function useDeleteTask(workspaceId?: string) {
+  const queryClient = useQueryClient()
+  return useMutation({
+    mutationFn: deleteTask,
+    onSuccess: () => {
+      queryClient.invalidateQueries({ queryKey: taskKeys.list(workspaceId) })
+    },
+  })
+}

apps/sim/lib/copilot/chat-lifecycle.ts

@@ -23,8 +23,9 @@ export async function resolveOrCreateChat(params: {
   workflowId?: string
   workspaceId?: string
   model: string
+  type?: 'mothership' | 'copilot'
 }): Promise<ChatLoadResult> {
-  const { chatId, userId, workflowId, workspaceId, model } = params
+  const { chatId, userId, workflowId, workspaceId, model, type } = params
 
   if (chatId) {
     const [chat] = await db
@@ -47,6 +48,7 @@ export async function resolveOrCreateChat(params: {
       userId,
       ...(workflowId ? { workflowId } : {}),
       ...(workspaceId ? { workspaceId } : {}),
+      type: type ?? 'copilot',
       title: null,
       model,
       messages: [],

packages/db/migrations/0163_chat_type_column.sql

@@ -0,0 +1,7 @@
+DO $$ BEGIN
+ CREATE TYPE "public"."chat_type" AS ENUM('mothership', 'copilot');
+EXCEPTION
+ WHEN duplicate_object THEN null;
+END $$;
+--> statement-breakpoint
+ALTER TABLE "copilot_chats" ADD COLUMN "type" "public"."chat_type" DEFAULT 'copilot' NOT NULL;

packages/db/migrations/0163_pink_gambit.sql

@@ -0,0 +1,2 @@
+CREATE TYPE "public"."chat_type" AS ENUM('mothership', 'copilot');--> statement-breakpoint
+ALTER TABLE "copilot_chats" ADD COLUMN "type" "chat_type" DEFAULT 'copilot' NOT NULL;

packages/db/migrations/meta/_journal.json

@@ -1135,6 +1135,13 @@
       "when": 1772482049606,
       "tag": "0162_early_bloodscream",
       "breakpoints": true
+    },
+    {
+      "idx": 163,
+      "version": "7",
+      "when": 1772567614060,
+      "tag": "0163_pink_gambit",
+      "breakpoints": true
     }
   ]
-}
+}

packages/db/schema.ts

@@ -1489,6 +1489,8 @@ export const docsEmbeddings = pgTable(
   })
 )
 
+export const chatTypeEnum = pgEnum('chat_type', ['mothership', 'copilot'])
+
 export const copilotChats = pgTable(
   'copilot_chats',
   {
@@ -1498,13 +1500,14 @@ export const copilotChats = pgTable(
       .references(() => user.id, { onDelete: 'cascade' }),
     workflowId: text('workflow_id').references(() => workflow.id, { onDelete: 'cascade' }),
     workspaceId: text('workspace_id').references(() => workspace.id, { onDelete: 'cascade' }),
+    type: chatTypeEnum('type').notNull().default('copilot'),
     title: text('title'),
     messages: jsonb('messages').notNull().default('[]'),
     model: text('model').notNull().default('claude-3-7-sonnet-latest'),
     conversationId: text('conversation_id'),
-    previewYaml: text('preview_yaml'), // YAML content for pending workflow preview
-    planArtifact: text('plan_artifact'), // Plan/design document artifact for the chat
-    config: jsonb('config'), // JSON config storing model and mode settings { model, mode }
+    previewYaml: text('preview_yaml'),
+    planArtifact: text('plan_artifact'),
+    config: jsonb('config'),
     createdAt: timestamp('created_at').notNull().defaultNow(),
     updatedAt: timestamp('updated_at').notNull().defaultNow(),
   },