Arialine turns Slack discussions into Mermaid diagrams, interactive HTML, PNG and PDF reports. You can update diagrams from threads, keep version history, and connect every change to the decision that caused it. It also converts Markdown files into native Slack Canvases with rendered Mermaid diagrams as inlined images. Edit and create using natural language, render markdown and track decisions and changes. Make edit proposals. Track decisions and what you agreed on directly in Slack.