tui: add sortable syscalls dashboard table (task 363)

2 files changed, 29 insertions, 1 deletions

diff --git a/internal/tui/common/keys.go b/internal/tui/common/keys.go
index 6289997..3f3d807 100644
--- a/internal/tui/common/keys.go
+++ b/internal/tui/common/keys.go
@@ -21,6 +21,7 @@ type KeyMap struct {
 	Seven      key.Binding
 	Visualize  key.Binding
 	Metric     key.Binding
+	Sort       key.Binding
 	DirGroup   key.Binding
 	SelectPID  key.Binding
 	SelectTID  key.Binding
@@ -51,6 +52,7 @@ func DefaultKeyMap() KeyMap {
 		Seven:      key.NewBinding(key.WithKeys("7"), key.WithHelp("7", "stream")),
 		Visualize:  key.NewBinding(key.WithKeys("v"), key.WithHelp("v", "viz")),
 		Metric:     key.NewBinding(key.WithKeys("b"), key.WithHelp("b", "metric")),
+		Sort:       key.NewBinding(key.WithKeys("s"), key.WithHelp("s", "sort table")),
 		DirGroup:   key.NewBinding(key.WithKeys("d"), key.WithHelp("d", "dir group")),
 		SelectPID:  key.NewBinding(key.WithKeys("p"), key.WithHelp("p", "select pid")),
 		SelectTID:  key.NewBinding(key.WithKeys("t"), key.WithHelp("t", "select tid")),
@@ -94,6 +96,7 @@ func (k KeyMap) DashboardStatusHelpSections() []HelpSection {
 		k.Seven,
 		k.Visualize,
 		k.Metric,
+		k.Sort,
 		k.Filter,
 		k.FilterUndo,
 		k.SelectPID,
@@ -109,6 +112,7 @@ func (k KeyMap) DashboardStatusHelpSections() []HelpSection {
 		k.DirGroup,
 		k.Visualize,
 		k.Metric,
+		k.Sort,
 		helpTextBinding("space", "stream pause"),
 		helpTextBinding("enter", "selected filter"),
 		helpTextBinding("esc", "stream undo filter"),
@@ -138,7 +142,7 @@ func (k KeyMap) DashboardFullHelp() [][]key.Binding {
 		controls = append(controls, k.Export)
 	}
 	controls = append(controls, k.DirGroup, k.SelectPID, k.SelectTID, k.Probes, k.Refresh, k.Quit)
-	controls = append(controls, k.Visualize, k.Metric, k.Filter, k.FilterUndo)
+	controls = append(controls, k.Visualize, k.Metric, k.Sort, k.Filter, k.FilterUndo)
 
 	return [][]key.Binding{
 		{k.One, k.Two, k.Three, k.Four, k.Five, k.Six, k.Seven},
diff --git a/internal/tui/common/keys_test.go b/internal/tui/common/keys_test.go
index 43f4b8b..8d34285 100644
--- a/internal/tui/common/keys_test.go
+++ b/internal/tui/common/keys_test.go
@@ -39,6 +39,11 @@ func TestDefaultKeyMapIncludesDirGroupBinding(t *testing.T) {
 		t.Fatalf("unexpected metric binding help: key=%q desc=%q", metricHelp.Key, metricHelp.Desc)
 	}
 
+	sortHelp := keys.Sort.Help()
+	if sortHelp.Key != "s" || sortHelp.Desc != "sort table" {
+		t.Fatalf("unexpected sort binding help: key=%q desc=%q", sortHelp.Key, sortHelp.Desc)
+	}
+
 	undoHelp := keys.FilterUndo.Help()
 	if undoHelp.Key != "F" || undoHelp.Desc != "undo filter" {
 		t.Fatalf("unexpected filter undo binding help: key=%q desc=%q", undoHelp.Key, undoHelp.Desc)
@@ -139,6 +144,18 @@ func TestDashboardFullHelpIncludesDirGroupBinding(t *testing.T) {
 	found = false
 	for _, binding := range groups[1] {
 		help := binding.Help()
+		if help.Key == "s" && help.Desc == "sort table" {
+			found = true
+			break
+		}
+	}
+	if !found {
+		t.Fatalf("expected sort binding in dashboard full help controls")
+	}
+
+	found = false
+	for _, binding := range groups[1] {
+		help := binding.Help()
 		if help.Key == "F" && help.Desc == "undo filter" {
 			found = true
 			break
@@ -156,6 +173,7 @@ func TestDashboardStatusHelpIncludesProbesBinding(t *testing.T) {
 	foundSelectTID := false
 	foundOne := false
 	foundUndo := false
+	foundSort := false
 	for _, binding := range short {
 		help := binding.Help()
 		if help.Key == "o" && help.Desc == "probes" {
@@ -170,6 +188,9 @@ func TestDashboardStatusHelpIncludesProbesBinding(t *testing.T) {
 		if help.Key == "F" && help.Desc == "undo filter" {
 			foundUndo = true
 		}
+		if help.Key == "s" && help.Desc == "sort table" {
+			foundSort = true
+		}
 	}
 	if !found {
 		t.Fatalf("expected probes binding in dashboard short help")
@@ -183,4 +204,7 @@ func TestDashboardStatusHelpIncludesProbesBinding(t *testing.T) {
 	if !foundUndo {
 		t.Fatalf("expected undo filter binding in dashboard short help")
 	}
+	if !foundSort {
+		t.Fatalf("expected sort binding in dashboard short help")
+	}
 }