refactor(cmd): use shared styles in ai, go, and vm packages

- ai: Replace local task priority/status styles with shared equivalents
- go: Use FormatCoverage() and ProgressLabel() helpers in test output
- vm: Use shared colour constants instead of hardcoded values
- shared: Add FormatTaskStatus(), StatusPrefix(), ProgressLabel() helpers

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

cmd/ai/ai.go

@@ -17,39 +17,28 @@ var (
 	formatAge    = shared.FormatAge
 )
 
-// Task-specific styles
+// Task priority/status styles from shared
+var (
+	taskPriorityHighStyle     = shared.PriorityHighStyle
+	taskPriorityMediumStyle   = shared.PriorityMediumStyle
+	taskPriorityLowStyle      = shared.PriorityLowStyle
+	taskStatusPendingStyle    = shared.StatusPendingStyle
+	taskStatusInProgressStyle = shared.StatusRunningStyle
+	taskStatusCompletedStyle  = shared.StatusSuccessStyle
+	taskStatusBlockedStyle    = shared.StatusErrorStyle
+)
+
+// Task-specific styles (unique to task display)
 var (
 	taskIDStyle = lipgloss.NewStyle().
 			Bold(true).
-			Foreground(lipgloss.Color("#3b82f6")) // blue-500
+			Foreground(shared.ColourBlue500)
 
 	taskTitleStyle = lipgloss.NewStyle().
-			Foreground(lipgloss.Color("#e2e8f0")) // gray-200
-
-	taskPriorityHighStyle = lipgloss.NewStyle().
-				Bold(true).
-				Foreground(lipgloss.Color("#ef4444")) // red-500
-
-	taskPriorityMediumStyle = lipgloss.NewStyle().
-				Foreground(lipgloss.Color("#f59e0b")) // amber-500
-
-	taskPriorityLowStyle = lipgloss.NewStyle().
-				Foreground(lipgloss.Color("#22c55e")) // green-500
-
-	taskStatusPendingStyle = lipgloss.NewStyle().
-				Foreground(lipgloss.Color("#6b7280")) // gray-500
-
-	taskStatusInProgressStyle = lipgloss.NewStyle().
-					Foreground(lipgloss.Color("#3b82f6")) // blue-500
-
-	taskStatusCompletedStyle = lipgloss.NewStyle().
-					Foreground(lipgloss.Color("#22c55e")) // green-500
-
-	taskStatusBlockedStyle = lipgloss.NewStyle().
-				Foreground(lipgloss.Color("#ef4444")) // red-500
+			Foreground(shared.ColourGray200)
 
 	taskLabelStyle = lipgloss.NewStyle().
-			Foreground(lipgloss.Color("#a78bfa")) // violet-400
+			Foreground(shared.ColourViolet400)
 )
 
 // AddAgenticCommands adds the agentic task management commands to the ai command.

cmd/go/go_test_cmd.go

@@ -8,7 +8,7 @@ import (
 	"regexp"
 	"strings"
 
-	"github.com/charmbracelet/lipgloss"
+	"github.com/host-uk/core/cmd/shared"
 	"github.com/spf13/cobra"
 )
 
@@ -125,13 +125,7 @@ func runGoTest(coverage bool, pkg, run string, short, race, jsonOut, verbose boo
 	}
 
 	if cov > 0 {
-		covStyle := successStyle
-		if cov < 50 {
-			covStyle = errorStyle
-		} else if cov < 80 {
-			covStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#f59e0b"))
-		}
-		fmt.Printf("\n  %s %s\n", dimStyle.Render("Coverage:"), covStyle.Render(fmt.Sprintf("%.1f%%", cov)))
+		fmt.Printf("\n  %s %s\n", shared.ProgressLabel("Coverage"), shared.FormatCoverage(cov))
 	}
 
 	if err == nil {
@@ -258,13 +252,7 @@ func addGoCovCommand(parent *cobra.Command) {
 
 			// Print coverage summary
 			fmt.Println()
-			covStyle := successStyle
-			if totalCov < 50 {
-				covStyle = errorStyle
-			} else if totalCov < 80 {
-				covStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#f59e0b"))
-			}
-			fmt.Printf("  %s %s\n", dimStyle.Render("Total:"), covStyle.Render(fmt.Sprintf("%.1f%%", totalCov)))
+			fmt.Printf("  %s %s\n", shared.ProgressLabel("Total"), shared.FormatCoverage(totalCov))
 
 			// Generate HTML if requested
 			if covHTML || covOpen {

cmd/shared/styles.go

@@ -522,6 +522,32 @@ func FormatPriority(level string) string {
 	}
 }
 
+// FormatTaskStatus returns styled text for a task status.
+// Supports: pending, in_progress, completed, blocked, failed.
+func FormatTaskStatus(status string) string {
+	switch strings.ToLower(status) {
+	case "in_progress", "in-progress", "running", "active":
+		return StatusRunningStyle.Render(status)
+	case "completed", "done", "finished", "success":
+		return StatusSuccessStyle.Render(status)
+	case "blocked", "failed", "error":
+		return StatusErrorStyle.Render(status)
+	default: // pending, waiting, queued
+		return StatusPendingStyle.Render(status)
+	}
+}
+
+// StatusPrefix returns a styled ">>" prefix for status messages.
+func StatusPrefix(style lipgloss.Style) string {
+	return style.Render(">>")
+}
+
+// ProgressLabel returns a dimmed label with colon for progress output.
+// Example: ProgressLabel("Installing") -> "Installing:" in dim gray
+func ProgressLabel(label string) string {
+	return DimStyle.Render(label + ":")
+}
+
 // ─────────────────────────────────────────────────────────────────────────────
 // Table Helpers
 // ─────────────────────────────────────────────────────────────────────────────

cmd/vm/vm.go

@@ -17,8 +17,8 @@ var (
 
 // VM-specific styles
 var (
-	varStyle     = lipgloss.NewStyle().Foreground(lipgloss.Color("#f59e0b"))
-	defaultStyle = lipgloss.NewStyle().Foreground(lipgloss.Color("#6b7280")).Italic(true)
+	varStyle     = lipgloss.NewStyle().Foreground(shared.ColourAmber500)
+	defaultStyle = lipgloss.NewStyle().Foreground(shared.ColourGray500).Italic(true)
 )
 
 // AddVMCommands adds container-related commands under 'vm' to the CLI.