Add age/activity column to PR listing

Shows time since creation (priority sort) or last activity (date sort).
Compact format: now, 3h, 5d, 2w, 3m, 1y — always max 3 chars.
Header label switches between "age" and "act" with sort mode.

Author: agrieser

main.go

@@ -31,7 +31,7 @@ func main() {
 	}
 
 	if *demo {
-		renderPlain(os.Stdout, demoData())
+		renderPlain(os.Stdout, demoData(), SortPriority)
 		return
 	}
 
@@ -94,7 +94,7 @@ func main() {
 				fmt.Fprintln(os.Stderr, "No open PRs authored by you.")
 				return
 			}
-			renderPlain(os.Stdout, classified)
+			renderPlain(os.Stdout, classified, SortPriority)
 			return
 		}
 
@@ -115,7 +115,7 @@ func main() {
 			fmt.Fprintln(os.Stderr, "No PRs pending your review.")
 			return
 		}
-		renderPlain(os.Stdout, classified)
+		renderPlain(os.Stdout, classified, SortPriority)
 		return
 	}
 

plain.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"io"
+	"time"
 )
 
 type colWidths struct {
@@ -67,15 +68,44 @@ func plainIndicators(pr ClassifiedPR) string {
 	return col1 + " " + col2 + " " + col3
 }
 
-func renderPlain(w io.Writer, items []ClassifiedPR) {
+func formatAge(t time.Time) string {
+	if t.IsZero() {
+		return " -"
+	}
+	d := time.Since(t)
+	hours := int(d.Hours())
+	days := hours / 24
+	switch {
+	case hours < 1:
+		return "now"
+	case hours < 10:
+		return fmt.Sprintf("%dh", hours)
+	case days < 10:
+		return fmt.Sprintf("%dd", max(days, 1))
+	case days < 30:
+		return fmt.Sprintf("%dw", days/7)
+	case days/30 < 10:
+		return fmt.Sprintf("%dm", days/30)
+	default:
+		return fmt.Sprintf("%dy", max(days/365, 1))
+	}
+}
+
+func renderPlain(w io.Writer, items []ClassifiedPR, sortMode SortMode) {
 	cols := computeColumns(items)
 	for _, pr := range items {
 		repoCol := fmt.Sprintf("%s#%d", pr.RepoName, pr.Number)
 		indicators := plainIndicators(pr)
-		fmt.Fprintf(w, "%s %-*s  %-*s  %s\n",
+		ageTime := pr.CreatedAt
+		if sortMode == SortDate {
+			ageTime = pr.LastActivity
+		}
+		age := formatAge(ageTime)
+		fmt.Fprintf(w, "%s %-*s  %-*s  %4s  %s\n",
 			indicators,
 			cols.repo, repoCol,
 			cols.author, pr.Author,
+			age,
 			pr.Title)
 	}
 }

plain_test.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"strings"
 	"testing"
+	"time"
 )
 
 func TestRenderPlain(t *testing.T) {
@@ -25,28 +26,28 @@ func TestRenderPlain(t *testing.T) {
 	}
 
 	var buf bytes.Buffer
-	renderPlain(&buf, items)
+	renderPlain(&buf, items, SortPriority)
 
 	lines := strings.Split(strings.TrimSpace(buf.String()), "\n")
 	if len(lines) != 2 {
 		t.Fatalf("expected 2 lines, got %d: %q", len(lines), buf.String())
 	}
 
-	// Columns are padded: repo to 6 (api#42), author to 5 (alice)
-	expected0 := "· ✓ ● api#42  alice  Add endpoint"
+	// Columns are padded: repo to 6 (api#42), author to 5 (alice), age 4 chars right-aligned
+	expected0 := "· ✓ ● api#42  alice     -  Add endpoint"
 	if lines[0] != expected0 {
 		t.Fatalf("line 0:\ngot:  %q\nwant: %q", lines[0], expected0)
 	}
 
-	expected1 := "~ · · web#7   bob    Fix layout"
+	expected1 := "~ · · web#7   bob       -  Fix layout"
 	if lines[1] != expected1 {
 		t.Fatalf("line 1:\ngot:  %q\nwant: %q", lines[1], expected1)
 	}
 }
 
 func TestRenderPlain_Empty(t *testing.T) {
 	var buf bytes.Buffer
-	renderPlain(&buf, nil)
+	renderPlain(&buf, nil, SortPriority)
 	if buf.Len() != 0 {
 		t.Fatalf("expected empty output, got %q", buf.String())
 	}
@@ -61,7 +62,7 @@ func TestRenderPlain_AllIndicators(t *testing.T) {
 	}
 
 	var buf bytes.Buffer
-	renderPlain(&buf, items)
+	renderPlain(&buf, items, SortPriority)
 
 	output := buf.String()
 	// Should NOT contain old tags
@@ -76,6 +77,35 @@ func TestRenderPlain_AllIndicators(t *testing.T) {
 	}
 }
 
+func TestFormatAge(t *testing.T) {
+	cases := []struct {
+		dur  time.Duration
+		want string
+	}{
+		{30 * time.Minute, "now"},
+		{2 * time.Hour, "2h"},
+		{9 * time.Hour, "9h"},
+		{10 * time.Hour, "1d"},
+		{3 * 24 * time.Hour, "3d"},
+		{10 * 24 * time.Hour, "1w"},
+		{22 * 24 * time.Hour, "3w"},
+		{45 * 24 * time.Hour, "1m"},
+		{180 * 24 * time.Hour, "6m"},
+		{400 * 24 * time.Hour, "1y"},
+	}
+	for _, tc := range cases {
+		got := formatAge(time.Now().Add(-tc.dur))
+		if got != tc.want {
+			t.Errorf("formatAge(-%v) = %q, want %q", tc.dur, got, tc.want)
+		}
+	}
+
+	// Zero time
+	if got := formatAge(time.Time{}); got != " -" {
+		t.Errorf("formatAge(zero) = %q, want %q", got, " -")
+	}
+}
+
 func TestRenderPlain_NewFormat(t *testing.T) {
 	items := []ClassifiedPR{
 		{
@@ -88,7 +118,7 @@ func TestRenderPlain_NewFormat(t *testing.T) {
 		},
 	}
 	var buf bytes.Buffer
-	renderPlain(&buf, items)
+	renderPlain(&buf, items, SortPriority)
 	output := buf.String()
 
 	if strings.Contains(output, "[NEW]") || strings.Contains(output, "[STL]") {

tui.go

@@ -336,7 +336,18 @@ func (m model) View() string {
 	if m.showAuthor {
 		header = "📝 👥 💬"
 	}
-	b.WriteString(helpStyle.Render(header))
+	// Pad to align age label over the age column
+	ageLabel := "age"
+	if m.sortMode == SortDate {
+		ageLabel = "act"
+	}
+	headerPad := 6 + m.cols.repo + 2 + m.cols.author + 2 // indicators + space + repo + sep + author + sep
+	padNeeded := headerPad - lipgloss.Width(header)
+	if padNeeded < 1 {
+		padNeeded = 1
+	}
+	headerLine := header + strings.Repeat(" ", padNeeded) + fmt.Sprintf("%4s", ageLabel)
+	b.WriteString(helpStyle.Render(headerLine))
 	b.WriteString("\n")
 
 	// Scrolling: determine visible window
@@ -360,9 +371,14 @@ func (m model) View() string {
 		indicators := formatIndicators(pr, m.showAuthor, bg)
 		repoCol := fmt.Sprintf("%-*s", m.cols.repo, fmt.Sprintf("%s#%d", pr.RepoName, pr.Number))
 		authorCol := fmt.Sprintf("%-*s", m.cols.author, pr.Author)
+		ageTime := pr.CreatedAt
+		if m.sortMode == SortDate {
+			ageTime = pr.LastActivity
+		}
+		ageCol := fmt.Sprintf("%4s", formatAge(ageTime))
 
 		// Build plain line for truncation check, then colorized version for display
-		plainLine := fmt.Sprintf("%s %s  %s  %s", "     ", repoCol, authorCol, pr.Title)
+		plainLine := fmt.Sprintf("%s %s  %s  %s  %s", "     ", repoCol, authorCol, ageCol, pr.Title)
 		titleText := pr.Title
 		if m.width > 0 && len(plainLine) > m.width {
 			// Truncate title to fit
@@ -380,8 +396,9 @@ func (m model) View() string {
 			coloredRepo = nameColor(pr.RepoName).Inherit(selBg).Render(repoCol)
 			coloredAuthor = nameColor(pr.Author).Inherit(selBg).Render(authorCol)
 			sep := selBg.Render("  ")
+			ageRendered := styleDim.Inherit(selBg).Render(ageCol)
 			titleRendered := selBg.Render(titleText)
-			line = indicators + selBg.Render(" ") + coloredRepo + sep + coloredAuthor + sep + titleRendered
+			line = indicators + selBg.Render(" ") + coloredRepo + sep + coloredAuthor + sep + ageRendered + sep + titleRendered
 			// Pad to full width
 			if m.width > 0 {
 				lineLen := lipgloss.Width(line)
@@ -392,7 +409,8 @@ func (m model) View() string {
 		} else {
 			coloredRepo = nameColor(pr.RepoName).Render(repoCol)
 			coloredAuthor = nameColor(pr.Author).Render(authorCol)
-			line = fmt.Sprintf("%s %s  %s  %s", indicators, coloredRepo, coloredAuthor, titleText)
+			ageRendered := styleDim.Render(ageCol)
+			line = fmt.Sprintf("%s %s  %s  %s  %s", indicators, coloredRepo, coloredAuthor, ageRendered, titleText)
 		}
 		b.WriteString(line)
 		b.WriteString("\n")