feat: add stats page

internal/config/config.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"os"
 	"strconv"
+	"strings"
 	"time"
 
 	"github.com/joho/godotenv"
@@ -36,13 +37,19 @@ type Config struct {
 	R2Bucket          string
 	R2PublicURL       string // Public base URL for objects, e.g. https://cdn.example.com or the R2 public bucket URL
 
-	// SMTP — used for password-reset and email-verification mails.
+	// SMTP — used for password-reset, email-verification, and
+	// /feedback admin-notification mails.
 	SMTPHost     string
 	SMTPPort     int
 	SMTPUsername string
 	SMTPPassword string
 	SMTPFrom     string // "Prabhupāda Says <noreply@prabhupadasays.org>"
 
+	// Comma-separated FEEDBACK_ADMIN_EMAILS — recipients for the
+	// /feedback notification fan-out. Empty disables the email send
+	// (the DB row is still written and visible via /stats).
+	FeedbackAdminEmails []string
+
 	// Push Notifications (existing — unchanged).
 	FCMCredentialsFile string
 	APNsKeyFile        string
@@ -95,6 +102,8 @@ func Load() (*Config, error) {
 		SMTPPassword: getEnv("SMTP_PASSWORD", ""),
 		SMTPFrom:     getEnv("SMTP_FROM", "noreply@localhost"),
 
+		FeedbackAdminEmails: parseList(getEnv("FEEDBACK_ADMIN_EMAILS", "")),
+
 		FCMCredentialsFile: getEnv("FCM_CREDENTIALS_FILE", ""),
 		APNsKeyFile:        getEnv("APNS_KEY_FILE", ""),
 		APNsKeyID:          getEnv("APNS_KEY_ID", ""),
@@ -147,3 +156,20 @@ func getEnvBool(key string, fallback bool) bool {
 	}
 	return fallback
 }
+
+// parseList splits a comma-separated env value, trimming whitespace
+// and discarding empty entries. Returns nil for empty input so
+// callers can range over it safely without a length check.
+func parseList(s string) []string {
+	if s == "" {
+		return nil
+	}
+	parts := strings.Split(s, ",")
+	out := make([]string, 0, len(parts))
+	for _, p := range parts {
+		if p = strings.TrimSpace(p); p != "" {
+			out = append(out, p)
+		}
+	}
+	return out
+}