Allow editing time entry start and end in TUI and web.

Duration is derived from the range so timer sessions can be corrected after the fact.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/ui/app.go

@@ -88,6 +88,7 @@ type Model struct {
 	timeEntries          views.TimeEntriesView
 	timeEntriesTicket    string // ticket ID for ModeTimeEntries
 	editingTimeEntry     ticket.TimeEntry
+	timeEdit             views.TimeEditForm
 	activeTimer          *ticket.ActiveTimer
 	spentByID            map[string]time.Duration
 	width                int
@@ -207,8 +208,10 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 
 	case tea.KeyMsg:
 		switch m.mode {
-		case ModeCreate, ModeSearch, ModeTimeManual, ModeTimeEdit:
+		case ModeCreate, ModeSearch, ModeTimeManual:
 			return m.updateInput(msg)
+		case ModeTimeEdit:
+			return m.updateTimeEdit(msg)
 		case ModeEditProject:
 			return m.updateEditProject(msg)
 		case ModeProjects:
@@ -238,8 +241,10 @@ func (m Model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	switch m.mode {
 	case ModeProjects, ModeMoveTicket:
 		m.projectList, cmd = m.projectList.Update(msg)
-	case ModeCreate, ModeSearch, ModeTimeManual, ModeTimeEdit:
+	case ModeCreate, ModeSearch, ModeTimeManual:
 		m.input, cmd = m.input.Update(msg)
+	case ModeTimeEdit:
+		cmd = m.timeEdit.Update(msg)
 	case ModeEditProject:
 		cmd = m.projectEdit.Update(msg)
 	}
@@ -585,8 +590,6 @@ func (m Model) updateInput(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 		switch {
 		case wasProject:
 			m.mode = ModeProjects
-		case m.mode == ModeTimeEdit:
-			m.mode = ModeTimeEntries
 		default:
 			m.mode = ModeList
 		}
@@ -608,16 +611,6 @@ func (m Model) updateInput(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 
 	case key.Matches(msg, m.keys.Enter):
 		value := strings.TrimSpace(m.input.Value())
-		if m.mode == ModeTimeEdit {
-			if err := m.saveEditedTime(value); err != nil {
-				m.setError(err)
-				return m, nil
-			}
-			m.input.Blur()
-			m.mode = ModeTimeEntries
-			m.setStatus("time updated")
-			return m, nil
-		}
 		if m.mode == ModeTimeManual {
 			if err := m.addManualTime(value); err != nil {
 				m.setError(err)
@@ -708,10 +701,8 @@ func (m Model) updateTimeEntries(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
 			return m, nil
 		}
 		m.editingTimeEntry = e
+		m.timeEdit = views.NewTimeEditForm(e, m.width)
 		m.mode = ModeTimeEdit
-		m.input = views.NewTimeManualInput()
-		m.input.SetValue(ticket.FormatDurationHuman(e.Duration))
-		m.input.Focus()
 		return m, textinput.Blink
 
 	case key.Matches(msg, m.keys.Undo):
@@ -1717,18 +1708,49 @@ func (m *Model) deleteRemoteWorkItem(e ticket.TimeEntry) error {
 	return nil
 }
 
-func (m *Model) saveEditedTime(raw string) error {
+func (m Model) updateTimeEdit(msg tea.KeyMsg) (tea.Model, tea.Cmd) {
+	switch {
+	case key.Matches(msg, m.keys.Escape):
+		m.mode = ModeTimeEntries
+		m.clearStatus()
+		return m, nil
+
+	case key.Matches(msg, m.keys.Tab), msg.Type == tea.KeyDown:
+		m.timeEdit.NextField()
+		return m, textinput.Blink
+
+	case key.Matches(msg, m.keys.ShiftTab), msg.Type == tea.KeyUp:
+		m.timeEdit.PrevField()
+		return m, textinput.Blink
+
+	case key.Matches(msg, m.keys.Enter):
+		m.clearStatus()
+		if err := m.saveEditedTime(); err != nil {
+			m.setError(err)
+			return m, nil
+		}
+		m.mode = ModeTimeEntries
+		m.setStatus("time updated")
+		return m, nil
+	}
+
+	cmd := m.timeEdit.Update(msg)
+	return m, cmd
+}
+
+func (m *Model) saveEditedTime() error {
 	if m.timeStore == nil {
 		return fmt.Errorf("time store not configured")
 	}
-	dur, err := ticket.ParseDurationFlexible(raw)
+	start, end, err := m.timeEdit.Parse()
 	if err != nil {
 		return err
 	}
 	before := m.editingTimeEntry
 	after := before
-	after.Duration = dur
-	after.End = after.Start.Add(dur)
+	after.Start = start
+	after.End = end
+	after.Duration = end.Sub(start)
 	if err := m.exec.Do(&command.UpdateTimeEntry{
 		Store:  m.timeStore,
 		Before: before,