Screens 2 and 3: new-task form, live log and diff; measured the merge gap they expose

tui/model.go

@@ -119,6 +119,7 @@ func loadRows(c *paperclip.Client, proj paperclip.Project) ([]Row, error) {
 type model struct {
 	client  *paperclip.Client
 	project paperclip.Project
+	agent   string
 	zones   *zone.Manager
 
 	rows    []Row
@@ -130,10 +131,11 @@ type model struct {
 	height int
 }
 
-func newModel(c *paperclip.Client, proj paperclip.Project) model {
+func newModel(c *paperclip.Client, proj paperclip.Project, agent string) model {
 	return model{
 		client:  c,
 		project: proj,
+		agent:   agent,
 		// The click-zone manager is created once, here, and the whole view is
 		// wrapped and scanned through it. Wrapping parts separately drifts
 		// when a pane is resized.
@@ -171,6 +173,24 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		case "r":
 			m.loading = true
 			return m, m.reload()
+		case "a":
+			// Assign the selected task to one agent. Paperclip wakes that
+			// agent as soon as the assignment lands, so this is also the
+			// "start work" key.
+			if m.cursor < len(m.rows) && m.rows[m.cursor].Issue.AssigneeAgent == "" {
+				c, id, agent := m.client, m.rows[m.cursor].Issue.ID, m.agent
+				return m, func() tea.Msg {
+					if _, err := c.Assign(id, agent); err != nil {
+						return errMsg{err}
+					}
+					rows, err := loadRows(c, m.project)
+					if err != nil {
+						return errMsg{err}
+					}
+					return rowsMsg(rows)
+				}
+			}
+			return m, nil
 		case "up", "shift+tab":
 			if m.cursor > 0 {
 				m.cursor--
@@ -283,7 +303,7 @@ func (m model) View() string {
 	}
 
 	b.WriteString(mutedStyle.Render(truncate(
-		"↑/↓ or Tab/Shift-Tab move · r refresh · q quit", m.width)))
+		"↑/↓ or Tab/Shift-Tab move · a assign to Builder · r refresh · q quit", m.width)))
 
 	// One scan for the whole view.
 	return m.zones.Scan(b.String())