diff --git a/pkg/tui/components/modals.go b/pkg/tui/components/modals.go
index 1ca6ee1..b41e3bb 100644
--- a/pkg/tui/components/modals.go
+++ b/pkg/tui/components/modals.go
@@ -6,10 +6,25 @@ import (
 	"github.com/charmbracelet/lipgloss"
 )
 
+// modalBoxWidth returns a clamped width for modal content. Never returns a value < 1.
+func modalBoxWidth(maxWidth, width int) int {
+	if width < 5 {
+		return 1
+	}
+	w := min(maxWidth, width-4)
+	if w < 1 {
+		return 1
+	}
+	return w
+}
+
 // components contains reusable TUI modal renderers for issue actions.
 
 func RenderEditTitle(width, height int, inputView string) string {
-	editBoxWidth := min(60, width-4)
+	if width < 5 || height < 5 {
+		return ""
+	}
+	editBoxWidth := modalBoxWidth(60, width)
 	editContent := lipgloss.JoinVertical(lipgloss.Left,
 		styles.LabelStyle.Render("Edit title (Enter to save, Esc to cancel):"),
 		inputView,
@@ -22,7 +37,10 @@ func RenderEditTitle(width, height int, inputView string) string {
 }
 
 func RenderEditDescription(width, height int, inputView string) string {
-	editBoxWidth := min(60, width-4)
+	if width < 5 || height < 5 {
+		return ""
+	}
+	editBoxWidth := modalBoxWidth(60, width)
 	editContent := lipgloss.JoinVertical(lipgloss.Left,
 		styles.LabelStyle.Render("Edit description (Ctrl+S to save, Esc to cancel):"),
 		inputView,
@@ -35,7 +53,10 @@ func RenderEditDescription(width, height int, inputView string) string {
 }
 
 func RenderCreateIssue(width, height int, inputView string) string {
-	createBoxWidth := min(60, width-4)
+	if width < 5 || height < 5 {
+		return ""
+	}
+	createBoxWidth := modalBoxWidth(60, width)
 	createContent := lipgloss.JoinVertical(lipgloss.Left,
 		styles.LabelStyle.Render("New issue (Enter to create, Esc to cancel):"),
 		inputView,
@@ -48,11 +69,14 @@ func RenderCreateIssue(width, height int, inputView string) string {
 }
 
 func RenderConfirmDelete(width, height int, issueID string) string {
+	if width < 5 || height < 5 {
+		return ""
+	}
 	confirmContent := lipgloss.JoinVertical(lipgloss.Left,
 		styles.LabelStyle.Render("Delete issue "+issueID+"?"),
 		lipgloss.NewStyle().Foreground(styles.FaintText).Render("Press y to delete, n or Esc to cancel"),
 	)
-	confirmBoxWidth := min(50, width-4)
+	confirmBoxWidth := modalBoxWidth(50, width)
 	confirmBox := styles.ContainerStyle.
 		Width(confirmBoxWidth).
 		BorderForeground(styles.PrimaryBorder).
@@ -61,12 +85,15 @@ func RenderConfirmDelete(width, height int, issueID string) string {
 }
 
 func RenderChooseStatus(width, height int, issueID string) string {
+	if width < 5 || height < 5 {
+		return ""
+	}
 	statusContent := lipgloss.JoinVertical(lipgloss.Left,
 		styles.LabelStyle.Render("Change status for "+issueID+":"),
 		lipgloss.NewStyle().Foreground(styles.FaintText).Render("o = open   i = in_progress   c = closed"),
 		lipgloss.NewStyle().Foreground(styles.FaintText).Render("Esc = cancel"),
 	)
-	statusBoxWidth := min(50, width-4)
+	statusBoxWidth := modalBoxWidth(50, width)
 	statusBox := styles.ContainerStyle.
 		Width(statusBoxWidth).
 		BorderForeground(styles.PrimaryBorder).
@@ -75,12 +102,15 @@ func RenderChooseStatus(width, height int, issueID string) string {
 }
 
 func RenderChoosePriority(width, height int, issueID string) string {
+	if width < 5 || height < 5 {
+		return ""
+	}
 	priorityContent := lipgloss.JoinVertical(lipgloss.Left,
 		styles.LabelStyle.Render("Change priority for "+issueID+":"),
 		lipgloss.NewStyle().Foreground(styles.FaintText).Render("0 = irrelevant 1 = low  2 = normal  3 = high  4 = critical"),
 		lipgloss.NewStyle().Foreground(styles.FaintText).Render("Esc = cancel"),
 	)
-	priorityBoxWidth := min(60, width-4)
+	priorityBoxWidth := modalBoxWidth(60, width)
 	priorityBox := styles.ContainerStyle.
 		Width(priorityBoxWidth).
 		BorderForeground(styles.PrimaryBorder).
@@ -89,12 +119,15 @@ func RenderChoosePriority(width, height int, issueID string) string {
 }
 
 func RenderChooseType(width, height int, issueID string) string {
+	if width < 5 || height < 5 {
+		return ""
+	}
 	typeContent := lipgloss.JoinVertical(lipgloss.Left,
 		styles.LabelStyle.Render("Change type for "+issueID+":"),
 		lipgloss.NewStyle().Foreground(styles.FaintText).Render("b = bug   f = feature   t = task   e = epic   c = chore"),
 		lipgloss.NewStyle().Foreground(styles.FaintText).Render("Esc = cancel"),
 	)
-	typeBoxWidth := min(65, width-4)
+	typeBoxWidth := modalBoxWidth(65, width)
 	typeBox := styles.ContainerStyle.
 		Width(typeBoxWidth).
 		BorderForeground(styles.PrimaryBorder).
diff --git a/pkg/tui/views/kanban/keys.go b/pkg/tui/views/kanban/keys.go
index 47227ce..bcaa08c 100644
--- a/pkg/tui/views/kanban/keys.go
+++ b/pkg/tui/views/kanban/keys.go
@@ -14,10 +14,15 @@ type KanbanKeyMap struct {
 	MoveColumnRight   key.Binding
 	MoveIssueLeft     key.Binding
 	MoveIssueRight    key.Binding
+	SubmitValidation  key.Binding
 }
 
 var defaultKanbanKeyMap = KanbanKeyMap{
 	CommonKeyMap: components.DefaultCommonKeyMap(),
+	SubmitValidation: key.NewBinding(
+		key.WithKeys("S"),
+		key.WithHelp("S", "submit validation"),
+	),
 	SwitchToDashboard: key.NewBinding(
 		key.WithKeys("v"),
 		key.WithHelp("v", "dashboard 1"),
@@ -44,6 +49,13 @@ func (d *Model) handleKeyMsg(msg tea.KeyMsg) tea.Cmd {
 	var cmd tea.Cmd
 
 	switch {
+	case key.Matches(msg, d.keyMap.SubmitValidation):
+		if d.submitChan != nil {
+			select {
+			case d.submitChan <- struct{}{}:
+			default:
+			}
+		}
 	case key.Matches(msg, d.keyMap.Help):
 		d.helpBar.ToggleHelp()
 	case key.Matches(msg, d.keyMap.Quit):
diff --git a/pkg/tui/views/kanban/model.go b/pkg/tui/views/kanban/model.go
index 639e432..6ead0ec 100644
--- a/pkg/tui/views/kanban/model.go
+++ b/pkg/tui/views/kanban/model.go
@@ -55,11 +55,12 @@ type Model struct {
 	typeIssueID      string
 	feedbackChan     chan models.ValidationFeedback
 	quitChan         chan bool
+	submitChan       chan<- struct{}
 	currentFeedback  models.ValidationFeedback
 	showComplete     bool
 }
 
-func NewDashboard(app *app.App, feedbackChan chan models.ValidationFeedback, quitChan chan bool) *Model {
+func NewDashboard(app *app.App, feedbackChan chan models.ValidationFeedback, quitChan chan bool, submitChan chan<- struct{}) *Model {
 	m := &Model{
 		header:       components.NewHeader("Kanban Board"),
 		keyMap:       defaultKanbanKeyMap,
@@ -70,6 +71,7 @@ func NewDashboard(app *app.App, feedbackChan chan models.ValidationFeedback, qui
 		focusOnDetail: false,
 		feedbackChan:  feedbackChan,
 		quitChan:      quitChan,
+		submitChan:    submitChan,
 	}
 
 	allIssues, _ := app.Issues.SearchIssues(context.Background(), "", models.IssueFilter{})
diff --git a/pkg/tui/views/root.go b/pkg/tui/views/root.go
index 9908040..4920610 100644
--- a/pkg/tui/views/root.go
+++ b/pkg/tui/views/root.go
@@ -14,6 +14,7 @@ type RootModel struct {
 	app          *app.App
 	feedbackChan chan models.ValidationFeedback
 	quitChan     chan bool
+	submitChan   chan<- struct{}
 	lastSize     tea.WindowSizeMsg
 	hasSize      bool
 }
@@ -25,6 +26,7 @@ func NewRootView(app *app.App, feedbackChan chan models.ValidationFeedback, quit
 		app:          app,
 		feedbackChan: feedbackChan,
 		quitChan:     quitChan,
+		submitChan:   submitChan,
 	}
 }
 
@@ -44,7 +46,7 @@ func (r *RootModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		return r, cmd
 	case msgs.SwitchToDashboardMsg:
 		// switch back to dashboard 1 and apply the last known size.
-		r.currentView = dashboard.NewDashboard(r.app, r.feedbackChan, r.quitChan, r.app.SubmitChan)
+		r.currentView = dashboard.NewDashboard(r.app, r.feedbackChan, r.quitChan, r.submitChan)
 		var cmds []tea.Cmd
 		if r.hasSize {
 			// check if there is a size, and then update it
@@ -59,7 +61,7 @@ func (r *RootModel) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		return r, tea.Batch(cmds...)
 	case msgs.SwitchToKanbanBoardMsg:
 		// switch to kanban board and apply the last known size.
-		r.currentView = kanban.NewDashboard(r.app, r.feedbackChan, r.quitChan)
+		r.currentView = kanban.NewDashboard(r.app, r.feedbackChan, r.quitChan, r.submitChan)
 		var cmds []tea.Cmd
 		if r.hasSize {
 			// check if there is a size, and then update it