agent

type Agent struct {
	Provider ports.Provider
	Tools    *tool.Registry
	Gate     policy.Gate

	// OnEvent, if set, receives every streamed Event as it arrives — the
	// seam a Bubble Tea front-end (T-030) hooks into for live rendering.
	OnEvent func(ports.Event)

	// OnToolResult, if set, is fired after each tool call executes (or is
	// denied/fails), carrying the call and its neutral result block. The TUI
	// (T-031) uses it to render edit diffs and tool output.
	OnToolResult func(call ports.ToolCall, result ports.Block)
}