CROSS-CATEGORY: Agent-First Architecture Adopted Simultaneously in Design (Figma), Collaboration (Slack), Support (Zendesk), and Finance (Fazeshift) in Same Two-Week Span

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Between May 7 and May 21, four different SaaS categories shipped agent-first products: Figma embedded a design agent on its canvas, Salesforce turned Slackbot into an MCP-connected enterprise agent, Zendesk launched an Autonomous Service Workforce priced per resolution, and Fazeshift deployed AI agents to automate 90% of accounts receivable tasks. The common architecture: agents operate inside the product rather than alongside it, using domain-specific training data (20B tickets for Zendesk, design systems for Figma, AR records for Fazeshift). This is no longer experimentation — it is the new default product architecture for SaaS incumbents and startups alike.