chore: import upstream snapshot with attribution

apps/sim/app/api/copilot/chat/delete/route.ts

@@ -0,0 +1,62 @@
+import { db } from '@sim/db'
+import { copilotChats } from '@sim/db/schema'
+import { createLogger } from '@sim/logger'
+import { and, eq } from 'drizzle-orm'
+import { type NextRequest, NextResponse } from 'next/server'
+import { deleteCopilotChatContract } from '@/lib/api/contracts/copilot'
+import { parseRequest } from '@/lib/api/server'
+import { getSession } from '@/lib/auth'
+import { getAccessibleCopilotChatAuth } from '@/lib/copilot/chat/lifecycle'
+import { chatPubSub } from '@/lib/copilot/chat-status'
+import { withRouteHandler } from '@/lib/core/utils/with-route-handler'
+
+const logger = createLogger('DeleteChatAPI')
+
+export const DELETE = withRouteHandler(async (request: NextRequest) => {
+  try {
+    const session = await getSession()
+    if (!session?.user?.id) {
+      return NextResponse.json({ success: false, error: 'Unauthorized' }, { status: 401 })
+    }
+
+    const validated = await parseRequest(
+      deleteCopilotChatContract,
+      request,
+      {},
+      {
+        invalidJson: 'throw',
+      }
+    )
+    if (!validated.success) return validated.response
+    const parsed = validated.data.body
+
+    const chat = await getAccessibleCopilotChatAuth(parsed.chatId, session.user.id)
+    if (!chat) {
+      return NextResponse.json({ success: true })
+    }
+
+    const [deleted] = await db
+      .delete(copilotChats)
+      .where(and(eq(copilotChats.id, parsed.chatId), eq(copilotChats.userId, session.user.id)))
+      .returning({ workspaceId: copilotChats.workspaceId })
+
+    if (!deleted) {
+      return NextResponse.json({ success: false, error: 'Chat not found' }, { status: 404 })
+    }
+
+    logger.info('Chat deleted', { chatId: parsed.chatId })
+
+    if (deleted.workspaceId) {
+      chatPubSub?.publishStatusChanged({
+        workspaceId: deleted.workspaceId,
+        chatId: parsed.chatId,
+        type: 'deleted',
+      })
+    }
+
+    return NextResponse.json({ success: true })
+  } catch (error) {
+    logger.error('Error deleting chat:', error)
+    return NextResponse.json({ success: false, error: 'Failed to delete chat' }, { status: 500 })
+  }
+})