/build-zoom-phone-integration Background reference for Zoom Phone integrations across API, webhook, Smart Embed, and URI-launch workflows. Implementation guidance for Zoom Phone integrations across API, webhook/event, Smart Embed, and URI-launch workflows. Official docs: - https://developers.zoom.us/docs/phone/ - CRM sample reference: https://github.com/zoom/CRM-Sample Routing Guardrail - If the user needs embedded softphone behavior in a web app, use Smart Embed (examples/smart-embed-postmessage-bridge.md). - If the user needs call records, analytics, or automation, use Phone REST API and we…