mirror of
https://github.com/mark3labs/kit.git
synced 2026-06-13 19:20:06 +00:00
Ed Zynda
3009b5530b
Add a declarative widget system that lets extensions place persistent content above or below the input area. Widgets survive across agent turns and are updated via ctx.SetWidget/ctx.RemoveWidget from any event handler. All types are concrete structs (Yaegi-safe, no interfaces cross the interpreter boundary). Widget state lives on the Runner with mutex protection, and WidgetUpdateEvent triggers BubbleTea re-renders.
91 lines
2.3 KiB
Go
91 lines
2.3 KiB
Go
//go:build ignore
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package main
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import (
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"fmt"
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"time"
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"kit/ext"
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)
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// Init demonstrates the widget system by showing a persistent status
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// widget above the input area. The widget updates on each agent turn
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// to show a running count of tool calls and the last tool used.
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func Init(api ext.API) {
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var toolCallCount int
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var lastToolName string
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// Show initial status widget when session starts.
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api.OnSessionStart(func(_ ext.SessionStartEvent, ctx ext.Context) {
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ctx.SetWidget(ext.WidgetConfig{
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ID: "widget-status:info",
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Placement: ext.WidgetAbove,
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Content: ext.WidgetContent{
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Text: fmt.Sprintf("Session started | CWD: %s | Model: %s", ctx.CWD, ctx.Model),
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},
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Style: ext.WidgetStyle{
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BorderColor: "#89b4fa",
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},
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})
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})
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// Update the widget after each tool call with a running count.
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api.OnToolResult(func(tr ext.ToolResultEvent, ctx ext.Context) *ext.ToolResultResult {
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toolCallCount++
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lastToolName = tr.ToolName
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status := "ok"
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if tr.IsError {
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status = "error"
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}
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ctx.SetWidget(ext.WidgetConfig{
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ID: "widget-status:info",
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Placement: ext.WidgetAbove,
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Content: ext.WidgetContent{
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Text: fmt.Sprintf(
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"Tools: %d calls | Last: %s (%s) | %s",
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toolCallCount, lastToolName, status,
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time.Now().Format("15:04:05"),
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),
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},
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Style: ext.WidgetStyle{
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BorderColor: "#a6e3a1",
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},
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})
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return nil
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})
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// "!widget-off" — removes the status widget.
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// "!widget-on" — restores the status widget.
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api.OnInput(func(ie ext.InputEvent, ctx ext.Context) *ext.InputResult {
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switch ie.Text {
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case "!widget-off":
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ctx.RemoveWidget("widget-status:info")
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ctx.PrintInfo("Status widget removed.")
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return &ext.InputResult{Action: "handled"}
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case "!widget-on":
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ctx.SetWidget(ext.WidgetConfig{
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ID: "widget-status:info",
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Placement: ext.WidgetAbove,
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Content: ext.WidgetContent{
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Text: fmt.Sprintf("Tools: %d calls | %s", toolCallCount, time.Now().Format("15:04:05")),
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},
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Style: ext.WidgetStyle{
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BorderColor: "#a6e3a1",
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},
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})
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ctx.PrintInfo("Status widget restored.")
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return &ext.InputResult{Action: "handled"}
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}
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return nil
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})
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// Clean up widget on shutdown.
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api.OnSessionShutdown(func(_ ext.SessionShutdownEvent, ctx ext.Context) {
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ctx.RemoveWidget("widget-status:info")
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})
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}
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