chore: import upstream snapshot with attribution

apps/sim/tools/sms/index.ts

@@ -0,0 +1,3 @@
+import { smsSendTool } from '@/tools/sms/send'
+
+export { smsSendTool }

apps/sim/tools/sms/send.ts

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+import type { SMSSendParams, SMSSendResult } from '@/tools/sms/types'
+import type { ToolConfig } from '@/tools/types'
+
+export const smsSendTool: ToolConfig<SMSSendParams, SMSSendResult> = {
+  id: 'sms_send',
+  name: 'Send SMS',
+  description: 'Send an SMS message using the internal SMS service powered by Twilio',
+  version: '1.0.0',
+
+  params: {
+    to: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description: 'Recipient phone number (include country code, e.g., +1234567890)',
+    },
+    body: {
+      type: 'string',
+      required: true,
+      visibility: 'user-or-llm',
+      description: 'SMS message content',
+    },
+  },
+
+  request: {
+    url: '/api/tools/sms/send',
+    method: 'POST',
+    headers: () => ({
+      'Content-Type': 'application/json',
+    }),
+    body: (params: SMSSendParams) => ({
+      to: params.to,
+      body: params.body,
+    }),
+  },
+
+  transformResponse: async (response: Response, params): Promise<SMSSendResult> => {
+    const result = await response.json()
+
+    return {
+      success: true,
+      output: {
+        success: result.success,
+        to: params?.to || '',
+        body: params?.body || '',
+      },
+    }
+  },
+
+  outputs: {
+    success: { type: 'boolean', description: 'Whether the SMS was sent successfully' },
+    to: { type: 'string', description: 'Recipient phone number' },
+    body: { type: 'string', description: 'SMS message content' },
+  },
+}

apps/sim/tools/sms/types.ts

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+import type { ToolResponse } from '@/tools/types'
+
+export interface SMSSendParams {
+  to: string
+  body: string
+}
+
+export interface SMSSendResult extends ToolResponse {
+  output: {
+    success: boolean
+    to: string
+    body: string
+  }
+}