First start: create the config file and open the Config view

Without a config file arr-tui refused to start. It now creates an empty
one (private, with its directory) and opens the Config view. A service
with neither address nor key is "not configured", which validation
allows: its client returns ErrNotConfigured without a request, its
indicator stays grey, it is logged once as information, and its lists
say so instead of showing errors.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019reK4DUGYqDUjniWYJvwUW

internal/ui/app_test.go

@@ -1,11 +1,15 @@
 package ui
 
 import (
+	"errors"
+	"strings"
 	"testing"
 
 	"github.com/gdamore/tcell/v2"
 
+	"git.stinnesbeck.com/nils/arr-tui/internal/arr"
 	"git.stinnesbeck.com/nils/arr-tui/internal/config"
+	"git.stinnesbeck.com/nils/arr-tui/internal/sabnzbd"
 )
 
 func newTestApp(t *testing.T) *App {
@@ -46,3 +50,34 @@ func TestQDoesNotQuit(t *testing.T) {
 		t.Error("q must be passed on as an ordinary key, not taken as quit")
 	}
 }
+
+func TestStartsWithoutServices(t *testing.T) {
+	// The config a first start creates: nothing set up.
+	a := New(&config.Config{UI: config.UI{RefreshSeconds: 3}})
+	if a.views[a.active].name != "Config" {
+		t.Errorf("first start opens %q, want the Config view", a.views[a.active].name)
+	}
+
+	// The clients do not try to connect without an address.
+	_, err := a.radarr.SystemStatus(t.Context())
+	if !errors.Is(err, arr.ErrNotConfigured) {
+		t.Fatalf("radarr without address: %v", err)
+	}
+	if _, err := a.sab.Version(t.Context()); !errors.Is(err, sabnzbd.ErrNotConfigured) {
+		t.Fatalf("sabnzbd without address: %v", err)
+	}
+
+	// Not configured is grey, not red, and logged once as information.
+	a.SetService("Radarr", "", err)
+	a.SetService("Radarr", "", err)
+	if txt := a.services.GetText(false); !strings.Contains(txt, "○ Radarr") {
+		t.Errorf("indicator: %q", txt)
+	}
+	log := a.logs.root.GetText(true)
+	if strings.Count(log, "Radarr is not configured") != 1 || strings.Contains(log, "unreachable") {
+		t.Errorf("log: %q", log)
+	}
+	if !strings.Contains(a.serviceSummary(), "Radarr: not configured") {
+		t.Errorf("help summary: %q", a.serviceSummary())
+	}
+}