Google Chat Messages Send messages to Google Chat spaces via incoming webhooks. Produces text messages, rich cards (cardsV2), and threaded replies. What You Produce - Text messages with Google Chat formatting - Rich card messages (cardsV2) with headers, sections, widgets - Threaded conversations - Reusable webhook sender utility Workflow Step 1: Get Webhook URL In Google Chat: 1. Open a Space click space name Manage webhooks 2. Create webhook (name it, optionally add avatar URL) 3. Copy the webhook URL Store the URL as an environment variable or in your secrets manager — never hardcode. Step…