Add dashboard / description page

tui_test.go

@@ -166,6 +166,142 @@ func TestPaneFocusAndNavigation(t *testing.T) {
 	}
 }
 
+func TestOpeningPullRequestShowsDashboardBeforeThreads(t *testing.T) {
+	settings := defaultAppSettings()
+	settings.DashboardMode = "intermediate"
+	m := NewAppWithSettings(nil, "o", "r", false, 50, 10*time.Second, settings)
+	m.prs = []PullRequest{{
+		ID: "pr", Owner: "owner", Repository: "repo", RepoWithOwner: "owner/repo", Number: 9,
+	}}
+	updated, command := m.Update(tea.KeyMsg{Type: tea.KeyEnter})
+	m = updated.(App)
+	if m.screen != dashboardScreen || m.details.Number != 9 || command == nil {
+		t.Fatalf("opening PR produced screen=%d number=%d command=%v", m.screen, m.details.Number, command)
+	}
+
+	updated, _ = m.Update(tea.KeyMsg{Type: tea.KeyEnter})
+	m = updated.(App)
+	if m.screen != threadScreen {
+		t.Fatal("enter did not open review threads from dashboard")
+	}
+	updated, _ = m.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune("b")})
+	m = updated.(App)
+	if m.screen != dashboardScreen {
+		t.Fatal("b did not return from threads to dashboard")
+	}
+}
+
+func TestDashboardHotkeyModeIsDefault(t *testing.T) {
+	if got := defaultAppSettings().DashboardMode; got != "hotkey" {
+		t.Fatalf("default dashboard mode = %q, want hotkey", got)
+	}
+	if got := defaultConfig().Display.DashboardMode; got != "hotkey" {
+		t.Fatalf("default config dashboard mode = %q, want hotkey", got)
+	}
+}
+
+func TestHotkeyDashboardModeOpensThreadsDirectly(t *testing.T) {
+	settings := defaultAppSettings()
+	settings.DashboardMode = "hotkey"
+	m := NewAppWithSettings(nil, "o", "r", false, 50, 10*time.Second, settings)
+	m.prs = []PullRequest{{
+		ID: "pr", Owner: "owner", Repository: "repo", RepoWithOwner: "owner/repo", Number: 9,
+	}}
+
+	updated, command := m.Update(tea.KeyMsg{Type: tea.KeyEnter})
+	m = updated.(App)
+	if m.screen != threadScreen || command == nil {
+		t.Fatalf("hotkey mode opened screen=%d command=%v", m.screen, command)
+	}
+	updated, _ = m.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune("d")})
+	m = updated.(App)
+	if m.screen != dashboardScreen || m.dashboardReturn != threadScreen {
+		t.Fatal("d did not open a dashboard that returns to threads")
+	}
+	updated, _ = m.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune("b")})
+	m = updated.(App)
+	if m.screen != threadScreen {
+		t.Fatal("dashboard did not return to the invoking thread screen")
+	}
+}
+
+func TestDashboardHotkeyWorksFromPicker(t *testing.T) {
+	settings := defaultAppSettings()
+	settings.DashboardMode = "hotkey"
+	m := NewAppWithSettings(nil, "o", "r", false, 50, 10*time.Second, settings)
+	m.prs = []PullRequest{{
+		ID: "pr", Owner: "owner", Repository: "repo", RepoWithOwner: "owner/repo", Number: 9,
+	}}
+
+	updated, command := m.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune("d")})
+	m = updated.(App)
+	if m.screen != dashboardScreen || m.dashboardReturn != prScreen || command == nil {
+		t.Fatalf("picker dashboard hotkey produced screen=%d return=%d", m.screen, m.dashboardReturn)
+	}
+}
+
+func TestDashboardRendersDescriptionAndMetadata(t *testing.T) {
+	m := NewApp(nil, "o", "r", false, 50, 10*time.Second)
+	m.screen = dashboardScreen
+	m.width, m.height = 100, 40
+	m.details = PRDetails{
+		PullRequest: PullRequest{
+			RepoWithOwner: "owner/repo", Number: 9, Title: "Improve dashboard",
+			Author: "alice", URL: "https://github.com/owner/repo/pull/9",
+			UpdatedAt: time.Date(2026, 7, 1, 12, 0, 0, 0, time.UTC),
+		},
+		Body:           "> Existing behavior\n\nUse `new_behavior` instead.",
+		CreatedAt:      time.Date(2026, 6, 1, 12, 0, 0, 0, time.UTC),
+		BaseRef:        "main",
+		HeadRef:        "feature",
+		ReviewDecision: "REVIEW_REQUIRED",
+		CheckState:     "SUCCESS",
+		MergeState:     "CLEAN",
+		Assignees:      []string{"bob"},
+		Reviewers:      []Reviewer{{Login: "carol", State: "APPROVED"}},
+		Labels:         []string{"ui", "review"},
+		Milestone:      "v2",
+		Additions:      20,
+		Deletions:      4,
+		ChangedFiles:   3,
+		CommitCount:    2,
+		CommentCount:   5,
+		Threads: []ReviewThread{
+			{ID: "open"},
+			{ID: "old", IsOutdated: true},
+			{ID: "done", IsResolved: true, IsOutdated: true},
+		},
+	}
+	plain := ansi.Strip(m.View())
+	for _, wanted := range []string{
+		"Improve dashboard", "@alice", "feature → main", "@bob", "@carol",
+		"ui, review", "v2", "+20", "-4", "3 files", "2 commits",
+		"1 open", "1 outdated", "1 resolved", "Description",
+		"Existing behavior", "new_behavior",
+	} {
+		if !strings.Contains(plain, wanted) {
+			t.Fatalf("dashboard is missing %q:\n%s", wanted, plain)
+		}
+	}
+}
+
+func TestDashboardDescriptionScrolls(t *testing.T) {
+	m := NewApp(nil, "o", "r", false, 50, 10*time.Second)
+	m.screen = dashboardScreen
+	m.width, m.height = 60, 10
+	m.details = PRDetails{
+		PullRequest: PullRequest{RepoWithOwner: "owner/repo", Number: 1, Title: "Long", Author: "alice"},
+		BaseRef:     "main",
+		HeadRef:     "feature",
+		Body:        strings.Repeat("A long description line.\n\n", 20),
+	}
+	updated, _ := m.Update(tea.KeyMsg{Type: tea.KeyRunes, Runes: []rune("G")})
+	m = updated.(App)
+	if m.scroll == 0 || m.scroll != m.dashboardMaxScroll() {
+		t.Fatalf("dashboard scroll = %d, max = %d", m.scroll, m.dashboardMaxScroll())
+	}
+}
+
 func TestContextualHelpOpensAndClosesWithoutLeavingScreen(t *testing.T) {
 	m := NewApp(nil, "o", "r", false, 50, 10*time.Second)
 	m.screen = threadScreen
@@ -179,7 +315,7 @@ func TestContextualHelpOpensAndClosesWithoutLeavingScreen(t *testing.T) {
 	plain := ansi.Strip(m.View())
 	if !strings.Contains(plain, "Review thread keys") ||
 		!strings.Contains(plain, "Fuzzy-search file paths") ||
-		strings.Contains(plain, "Open pull request") {
+		strings.Contains(plain, "Next pull request") {
 		t.Fatalf("help was not contextual:\n%s", plain)
 	}