Better CLI + bundle of MCP

.gitignore

@@ -1,3 +1,4 @@
 node_modules/
 dist/
 *.tsbuildinfo
+bin/gofumpt

cli/cmd/engine-cli/display.go

@@ -0,0 +1,297 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"strings"
+
+	"github.com/charmbracelet/lipgloss"
+	"github.com/github/copilot-engine-sdk/cli/internal/events"
+	"github.com/github/copilot-engine-sdk/cli/internal/server"
+)
+
+var (
+	dimStyle    = lipgloss.NewStyle().Faint(true)
+	boldStyle   = lipgloss.NewStyle().Bold(true)
+	greenStyle  = lipgloss.NewStyle().Foreground(lipgloss.Color("2"))
+	redStyle    = lipgloss.NewStyle().Foreground(lipgloss.Color("1"))
+	yellowStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("3"))
+	cyanStyle   = lipgloss.NewStyle().Foreground(lipgloss.Color("6"))
+	magStyle    = lipgloss.NewStyle().Foreground(lipgloss.Color("5"))
+	mutedStyle  = lipgloss.NewStyle().Foreground(lipgloss.Color("8"))
+
+	separator = dimStyle.Render("  ─────────────────────────────────────────")
+)
+
+func resolveKind(envelopeKind string, content json.RawMessage) string {
+	if envelopeKind != "" && envelopeKind != "log" {
+		return envelopeKind
+	}
+	var m struct {
+		Kind string `json:"kind"`
+	}
+	if json.Unmarshal(content, &m) == nil && m.Kind != "" {
+		return m.Kind
+	}
+	return "unknown"
+}
+
+// isDisplayEvent returns true for events we render.
+func isDisplayEvent(kind string) bool {
+	switch kind {
+	case "message", "tool_execution", "report_progress", "pr_summary",
+		"model_call_failure", "comment_reply":
+		return true
+	default:
+		return false
+	}
+}
+
+// printEvent renders a single event. Returns true if something was printed.
+func printEvent(event server.ProgressEvent) bool {
+	kind := resolveKind(event.Kind, event.Content)
+
+	switch kind {
+	case "message":
+		return printMessage(event.Content)
+	case "tool_execution":
+		return printToolExecution(event.Content)
+	case "report_progress":
+		return printReportProgress(event.Content)
+	case "pr_summary":
+		return printPRSummary(event.Content)
+	case "model_call_failure":
+		return printModelCallFailure(event.Content)
+	case "comment_reply":
+		return printCommentReply(event.Content)
+	default:
+		return false
+	}
+}
+
+// ─────────────────────────────────────────────────────────────
+// Assistant messages
+// ─────────────────────────────────────────────────────────────
+
+func printMessage(raw json.RawMessage) bool {
+	var ev events.Message
+	if json.Unmarshal(raw, &ev) != nil {
+		return false
+	}
+	content := strings.TrimSpace(ev.Message.Content)
+	if content == "" {
+		return false
+	}
+
+	switch ev.Message.Role {
+	case "assistant":
+		// Skip raw XML wrapper messages (pr_title/pr_description)
+		if strings.HasPrefix(content, "<pr_title>") {
+			return false
+		}
+		fmt.Println(separator)
+		fmt.Printf("  %s %s\n", cyanStyle.Render("●"), boldStyle.Render("Assistant"))
+		fmt.Println()
+		for _, line := range wrapText(content, 74) {
+			fmt.Printf("    %s\n", line)
+		}
+		return true
+
+	case "tool":
+		name := ev.ToolName
+		if name == "" {
+			name = "tool"
+		}
+		// Skip report_progress tool results — shown via ↑ Progress block
+		if strings.Contains(name, "report_progress") {
+			return false
+		}
+		fmt.Println(separator)
+		isErr := containsError(content)
+		if isErr {
+			fmt.Printf("  %s %s %s\n", redStyle.Render("●"), dimStyle.Render("Tool:"), yellowStyle.Render(name))
+		} else {
+			fmt.Printf("  %s %s %s\n", greenStyle.Render("●"), dimStyle.Render("Tool:"), yellowStyle.Render(name))
+		}
+		// Show the tool output, indented and muted
+		fmt.Println()
+		lines := wrapText(content, 70)
+		maxLines := 8
+		for i, line := range lines {
+			if i >= maxLines {
+				fmt.Printf("    %s\n", mutedStyle.Render(fmt.Sprintf("... (%d more lines)", len(lines)-i)))
+				break
+			}
+			fmt.Printf("    %s\n", mutedStyle.Render(line))
+		}
+		return true
+
+	default:
+		return false
+	}
+}
+
+// ─────────────────────────────────────────────────────────────
+// Tool execution results
+// ─────────────────────────────────────────────────────────────
+
+func printToolExecution(raw json.RawMessage) bool {
+	var ev events.ToolExecution
+	if json.Unmarshal(raw, &ev) != nil {
+		return false
+	}
+	name := ev.ToolName
+	if name == "" {
+		name = truncate(ev.ToolCallID, 20)
+	}
+	// Skip report_progress — already shown via ↑ Progress block
+	if strings.Contains(name, "report_progress") {
+		return false
+	}
+	// tool_execution is redundant with the tool message above — skip it
+	// The tool message (role=tool) already shows name + ✓/✗ + output
+	return false
+}
+
+// ─────────────────────────────────────────────────────────────
+// Progress updates
+// ─────────────────────────────────────────────────────────────
+
+func printReportProgress(raw json.RawMessage) bool {
+	var ev events.ReportProgress
+	if json.Unmarshal(raw, &ev) != nil {
+		return false
+	}
+	fmt.Println(separator)
+	title := ev.PRTitle
+	if title == "" {
+		title = "Progress"
+	}
+	fmt.Printf("  %s %s\n", greenStyle.Render("●"), boldStyle.Render(title))
+	if ev.PRDescription != "" {
+		fmt.Println()
+		for _, line := range strings.Split(ev.PRDescription, "\n") {
+			trimmed := strings.TrimSpace(line)
+			if trimmed == "" {
+				continue
+			}
+			switch {
+			case strings.HasPrefix(trimmed, "- [x]"):
+				fmt.Printf("    %s\n", greenStyle.Render(trimmed))
+			case strings.HasPrefix(trimmed, "- [ ]"):
+				fmt.Printf("    %s\n", yellowStyle.Render(trimmed))
+			default:
+				fmt.Printf("    %s\n", dimStyle.Render(trimmed))
+			}
+		}
+	}
+	return true
+}
+
+// ─────────────────────────────────────────────────────────────
+// PR Summary
+// ─────────────────────────────────────────────────────────────
+
+func printPRSummary(raw json.RawMessage) bool {
+	var ev events.PRSummary
+	if json.Unmarshal(raw, &ev) != nil {
+		return false
+	}
+	fmt.Println(separator)
+	fmt.Printf("  %s %s %s\n", magStyle.Render("●"), dimStyle.Render("PR"), boldStyle.Render(ev.PRTitle))
+	if ev.PRDescription != "" {
+		fmt.Println()
+		lines := strings.Split(ev.PRDescription, "\n")
+		for i, line := range lines {
+			if i >= 15 {
+				fmt.Printf("    %s\n", mutedStyle.Render(fmt.Sprintf("... (%d more lines)", len(lines)-i)))
+				break
+			}
+			fmt.Printf("    %s\n", line)
+		}
+	}
+	return true
+}
+
+// ─────────────────────────────────────────────────────────────
+// Errors and misc
+// ─────────────────────────────────────────────────────────────
+
+func printModelCallFailure(raw json.RawMessage) bool {
+	var ev events.ModelCallFailure
+	if json.Unmarshal(raw, &ev) != nil {
+		return false
+	}
+	if ev.ModelCall.Error != "" {
+		fmt.Println(separator)
+		fmt.Printf("  %s %s\n", redStyle.Render("●"), redStyle.Render(truncate(ev.ModelCall.Error, 72)))
+		return true
+	}
+	return false
+}
+
+func printCommentReply(raw json.RawMessage) bool {
+	var ev events.CommentReply
+	if json.Unmarshal(raw, &ev) != nil {
+		return false
+	}
+	fmt.Println(separator)
+	fmt.Printf("  %s %s #%d\n", cyanStyle.Render("●"), dimStyle.Render("Reply to"), ev.CommentID)
+	if ev.Message != "" {
+		fmt.Println()
+		for _, line := range wrapText(ev.Message, 74) {
+			fmt.Printf("    %s\n", line)
+		}
+	}
+	return true
+}
+
+// ─────────────────────────────────────────────────────────────
+// Helpers
+// ─────────────────────────────────────────────────────────────
+
+func containsError(s string) bool {
+	lower := strings.ToLower(s)
+	return strings.Contains(lower, "error") ||
+		strings.Contains(lower, "denied") ||
+		strings.Contains(lower, "failed") ||
+		strings.Contains(lower, "not found")
+}
+
+func wrapText(text string, width int) []string {
+	var lines []string
+	for _, paragraph := range strings.Split(text, "\n") {
+		if len(paragraph) <= width {
+			lines = append(lines, paragraph)
+			continue
+		}
+		remaining := paragraph
+		for len(remaining) > width {
+			idx := width
+			for idx > 0 && remaining[idx] != ' ' {
+				idx--
+			}
+			if idx == 0 {
+				idx = width
+			}
+			lines = append(lines, remaining[:idx])
+			remaining = remaining[idx:]
+			if len(remaining) > 0 && remaining[0] == ' ' {
+				remaining = remaining[1:]
+			}
+		}
+		if len(remaining) > 0 {
+			lines = append(lines, remaining)
+		}
+	}
+	return lines
+}
+
+func truncate(s string, maxLen int) string {
+	if len(s) <= maxLen {
+		return s
+	}
+	return s[:maxLen-3] + "..."
+}