Nano Banana 2 Lite in Kiro CLI 3: MCP 2.0, the New Interactions API, and Headless Permissions

The Kiro edition of the Nano Banana 2 Lite MCP server, updated: FastMCP is now MCPServer, google-genai 1.x gets a 400 from the Interactions API, and Kiro CLI 3 needs a permissions rule before it will call the tools headless.