chore: import upstream snapshot with attribution

apps/sim/app/api/tools/slack/delete-message/route.ts

@@ -0,0 +1,71 @@
+import { getErrorMessage } from '@sim/utils/errors'
+import { type NextRequest, NextResponse } from 'next/server'
+import { slackDeleteMessageContract } from '@/lib/api/contracts/tools/communication/slack'
+import { parseRequest } from '@/lib/api/server'
+import { checkInternalAuth } from '@/lib/auth/hybrid'
+import { withRouteHandler } from '@/lib/core/utils/with-route-handler'
+
+export const dynamic = 'force-dynamic'
+
+export const POST = withRouteHandler(async (request: NextRequest) => {
+  try {
+    const authResult = await checkInternalAuth(request, { requireWorkflowId: false })
+
+    if (!authResult.success) {
+      return NextResponse.json(
+        {
+          success: false,
+          error: authResult.error || 'Authentication required',
+        },
+        { status: 401 }
+      )
+    }
+
+    const parsed = await parseRequest(slackDeleteMessageContract, request, {})
+    if (!parsed.success) return parsed.response
+    const validatedData = parsed.data.body
+
+    const slackResponse = await fetch('https://slack.com/api/chat.delete', {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        Authorization: `Bearer ${validatedData.accessToken}`,
+      },
+      body: JSON.stringify({
+        channel: validatedData.channel,
+        ts: validatedData.timestamp,
+      }),
+    })
+
+    const data = await slackResponse.json()
+
+    if (!data.ok) {
+      return NextResponse.json(
+        {
+          success: false,
+          error: data.error || 'Failed to delete message',
+        },
+        { status: slackResponse.status }
+      )
+    }
+
+    return NextResponse.json({
+      success: true,
+      output: {
+        content: 'Message deleted successfully',
+        metadata: {
+          channel: data.channel,
+          timestamp: data.ts,
+        },
+      },
+    })
+  } catch (error) {
+    return NextResponse.json(
+      {
+        success: false,
+        error: getErrorMessage(error, 'Unknown error occurred'),
+      },
+      { status: 500 }
+    )
+  }
+})