chore: import upstream snapshot with attribution

apps/sim/tools/resend/send_broadcast.ts

@@ -0,0 +1,73 @@
+import { createLogger } from '@sim/logger'
+import type { SendBroadcastParams, SendBroadcastResult } from '@/tools/resend/types'
+import type { ToolConfig } from '@/tools/types'
+
+const logger = createLogger('ResendSendBroadcastTool')
+
+export const resendSendBroadcastTool: ToolConfig<SendBroadcastParams, SendBroadcastResult> = {
+  id: 'resend_send_broadcast',
+  name: 'Send Broadcast',
+  description: 'Send a broadcast immediately or schedule it for later',
+  version: '1.0.0',
+
+  params: {
+    broadcastId: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description: 'The ID of the broadcast to send',
+    },
+    broadcastScheduledAt: {
+      type: 'string',
+      required: false,
+      visibility: 'user-or-llm',
+      description:
+        'Schedule delivery in natural language (e.g., "in 1 min") or ISO 8601 format. Sends immediately if omitted',
+    },
+    resendApiKey: {
+      type: 'string',
+      required: true,
+      visibility: 'user-only',
+      description: 'Resend API key',
+    },
+  },
+
+  request: {
+    url: (params: SendBroadcastParams) =>
+      `https://api.resend.com/broadcasts/${encodeURIComponent(params.broadcastId.trim())}/send`,
+    method: 'POST',
+    headers: (params: SendBroadcastParams) => ({
+      Authorization: `Bearer ${params.resendApiKey}`,
+      'Content-Type': 'application/json',
+    }),
+    body: (params: SendBroadcastParams) => ({
+      ...(params.broadcastScheduledAt && { scheduled_at: params.broadcastScheduledAt }),
+    }),
+  },
+
+  transformResponse: async (response: Response): Promise<SendBroadcastResult> => {
+    const data = await response.json()
+
+    if (!data.id) {
+      logger.error('Resend Send Broadcast API error:', JSON.stringify(data, null, 2))
+      return {
+        success: false,
+        error: data.message || 'Failed to send broadcast',
+        output: {
+          id: '',
+        },
+      }
+    }
+
+    return {
+      success: true,
+      output: {
+        id: data.id,
+      },
+    }
+  },
+
+  outputs: {
+    id: { type: 'string', description: 'Broadcast ID' },
+  },
+}