Add the Config view: edit and save the settings, applied without a restart

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

internal/arr/image.go

@@ -26,7 +26,8 @@ func (c *Client) Poster(images []Image, inLibrary bool) (key string, fetch func(
 		}
 		if inLibrary && img.URL != "" {
 			local := img.URL
-			return c.baseURL + "|" + local, func(ctx context.Context) ([]byte, error) {
+			base, _ := c.settings()
+			return base + "|" + local, func(ctx context.Context) ([]byte, error) {
 				// MediaCover has poster-250.jpg next to poster.jpg; fall back to the original.
 				if small := smallVariant(local); small != local {
 					if data, err := c.GetBytes(ctx, small); err == nil {
@@ -68,21 +69,23 @@ func (c *Client) GetBytes(ctx context.Context, ref string) ([]byte, error) {
 	if err != nil {
 		return nil, err
 	}
-	req.Header.Set("X-Api-Key", c.apiKey)
+	_, apiKey := c.settings()
+	req.Header.Set("X-Api-Key", apiKey)
 	return doImage(c.http, req)
 }
 
 // resolve joins a server-relative path to the base URL. Radarr/Sonarr include
 // their URL base in image paths, so it must not be added twice.
 func (c *Client) resolve(ref string) (string, error) {
-	base, err := url.Parse(c.baseURL)
+	baseURL, _ := c.settings()
+	base, err := url.Parse(baseURL)
 	if err != nil {
 		return "", err
 	}
 	if base.Path != "" && base.Path != "/" && strings.HasPrefix(ref, strings.TrimRight(base.Path, "/")+"/") {
 		return base.Scheme + "://" + base.Host + ref, nil
 	}
-	return c.baseURL + ref, nil
+	return baseURL + ref, nil
 }
 
 var imageClient = &http.Client{Timeout: 20 * time.Second}