feat(report): improve daily intelligence UX and price tracking

scripts/subscription_import_common.go

@@ -101,6 +101,17 @@ func fetchSubscriptionPage(url string, fixture string, client *http.Client) (str
 		return string(data), nil
 	}
 
+	body, err := fetchSubscriptionPageWithRetry(url, client)
+	if err == nil {
+		return body, nil
+	}
+	if markdownURL, ok := markdownFallbackURL(url, err); ok {
+		return fetchSubscriptionPageWithRetry(markdownURL, client)
+	}
+	return "", err
+}
+
+func fetchSubscriptionPageWithRetry(url string, client *http.Client) (string, error) {
 	var lastErr error
 	for attempt := 1; attempt <= subscriptionFetchMaxAttempts; attempt++ {
 		body, retryable, err := fetchSubscriptionPageOnce(url, client)
@@ -116,6 +127,7 @@ func fetchSubscriptionPage(url string, fixture string, client *http.Client) (str
 	return "", lastErr
 }
 
+
 func fetchSubscriptionPageOnce(url string, client *http.Client) (string, bool, error) {
 	req, err := http.NewRequest(http.MethodGet, url, nil)
 	if err != nil {
@@ -146,6 +158,20 @@ func fetchSubscriptionPageOnce(url string, client *http.Client) (string, bool, e
 	return normalizeSubscriptionPage(string(body)), false, nil
 }
 
+func markdownFallbackURL(url string, err error) (string, bool) {
+	if strings.TrimSpace(url) == "" || err == nil {
+		return "", false
+	}
+	lower := strings.ToLower(err.Error())
+	if !strings.Contains(lower, "status 403") && !strings.Contains(lower, "forbidden") {
+		return "", false
+	}
+	if strings.HasSuffix(url, ".md") {
+		return "", false
+	}
+	return strings.TrimRight(url, "/") + ".md", true
+}
+
 func isRetriableSubscriptionFetchError(err error) bool {
 	if err == nil {
 		return false