fix: a first run doesn't say refresh failed

coordinator_test.go

@@ -4,6 +4,8 @@ import (
 	"bytes"
 	"encoding/json"
 	"errors"
+	"fmt"
+	"io/fs"
 	"os"
 	"path/filepath"
 	"regexp"
@@ -888,6 +890,23 @@ func TestNoAutomaticRestartDuringCoordinatorSetUp(t *testing.T) {
 	}
 }
 
+func TestFirstRunRefreshIsNoFailure(t *testing.T) {
+	coordinatorFixture(t)
+	m := initialModel(nil, "", nil)
+	res, _ := m.Update(refreshMsg{err: fmt.Errorf("scan: %w", fs.ErrNotExist)})
+	if res.(model).refreshFailed {
+		t.Error("no folder yet, nothing to list: not a failure")
+	}
+	m = initialModel(buildItems([]Conversation{{SessionID: "a", Title: "x"}}), "", nil)
+	if res, _ := m.Update(refreshMsg{err: fmt.Errorf("scan: %w", fs.ErrNotExist)}); !res.(model).refreshFailed {
+		t.Error("a folder that vanished under a list still is")
+	}
+	m = initialModel(nil, "", nil)
+	if res, _ := m.Update(refreshMsg{err: errors.New("disk on fire")}); !res.(model).refreshFailed {
+		t.Error("any other error still is")
+	}
+}
+
 func TestEnterOnAnEmptyListWaitsForTheSetUp(t *testing.T) {
 	coordinatorFixture(t)
 	m := initialModel(nil, "", nil)

parse_test.go

@@ -792,7 +792,7 @@ func TestRefreshNote(t *testing.T) {
 	if m = res.(model); m.refreshNote() != " · refreshing…" {
 		t.Errorf("in-flight scan should say refreshing, got %q", m.refreshNote())
 	}
-	res, _ = m.Update(refreshMsg{err: os.ErrNotExist})
+	res, _ = m.Update(refreshMsg{err: os.ErrPermission})
 	if m = res.(model); !strings.HasPrefix(m.refreshNote(), " · refresh failed") {
 		t.Errorf("failed scan should say so, got %q", m.refreshNote())
 	}

ui.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"io/fs"
 	"maps"
 	"os"
 	"path/filepath"
@@ -1096,7 +1097,8 @@ func (m model) update(msg tea.Msg) (tea.Model, tea.Cmd) {
 
 	case refreshMsg:
 		m.refreshStarted = time.Time{}
-		m.refreshFailed = msg.err != nil
+		// No projects folder yet on a first run is an empty list, not a failure.
+		m.refreshFailed = msg.err != nil && !(errors.Is(msg.err, fs.ErrNotExist) && len(m.items) == 0)
 		m.live = msg.live // liveness is independent of the list, never stale-dropped
 		// Delete/prune/rename prompts hold an index into m.filtered, so don't
 		// reshuffle it under them; and a scan that started before a delete,