diff --git a/internal/service/bot_cleanup_rules_config.go b/internal/service/bot_cleanup_rules_config.go
new file mode 100644
index 0000000..4414fa0
--- /dev/null
+++ b/internal/service/bot_cleanup_rules_config.go
@@ -0,0 +1,139 @@
+package service
+
+import (
+	"regexp"
+	"strconv"
+	"strings"
+)
+
+var (
+	cleanupRuleWindowDaysRE = regexp.MustCompile(`(?i)(?:^|[_-])(\d+)[_-](\d+)\s*d(?:$|[_-])`)
+	cleanupRuleSingleDayRE  = regexp.MustCompile(`(?i)(?:^|[_-])(\d+)\s*d(?:$|[_-])`)
+	cleanupRuleHoursRE      = regexp.MustCompile(`(?i)(?:^|[_-])(\d+(?:\.\d+)?)\s*h(?:$|[_-])`)
+	cleanupRuleNumberRE     = regexp.MustCompile(`(?i)(?:^|[_-])(\d+)(?:$|[_-])`)
+)
+
+func normalizeCleanupKeepMode(value, fallback string) string {
+	switch strings.ToLower(strings.TrimSpace(value)) {
+	case "any", "all", "count":
+		return strings.ToLower(strings.TrimSpace(value))
+	default:
+		if fallback == "" {
+			return "any"
+		}
+		return fallback
+	}
+}
+
+func normalizeCleanupRules(rules []accountCleanupRule) []accountCleanupRule {
+	out := make([]accountCleanupRule, 0, len(rules))
+	for _, r := range rules {
+		r.Type = strings.ToLower(strings.TrimSpace(r.Type))
+		r.ID = strings.TrimSpace(r.ID)
+		r.Name = strings.TrimSpace(r.Name)
+		if r.ID == "" {
+			r.ID = r.Type
+		}
+		if r.Name == "" {
+			r.Name = r.ID
+		}
+		if shouldInferCleanupRuleValues(r) {
+			inferCleanupRuleValuesFromID(&r)
+		}
+		if r.WindowDaysMin < 1 {
+			r.WindowDaysMin = 1
+		}
+		if r.WindowDaysMax < r.WindowDaysMin {
+			r.WindowDaysMax = r.WindowDaysMin
+		}
+		if r.MinCount < 0 {
+			r.MinCount = 0
+		}
+		if r.MinHours < 0 {
+			r.MinHours = 0
+		}
+		switch r.Type {
+		case "watch_hours", "recent_login", "signin_streak", "account_age_grace":
+			out = append(out, r)
+		}
+	}
+	return out
+}
+
+func shouldInferCleanupRuleValues(rule accountCleanupRule) bool {
+	name := strings.TrimSpace(rule.Name)
+	return name == "" || strings.EqualFold(name, strings.TrimSpace(rule.ID))
+}
+
+func inferCleanupRuleValuesFromID(rule *accountCleanupRule) {
+	if rule == nil {
+		return
+	}
+	key := strings.ToLower(strings.TrimSpace(rule.ID + "_" + rule.Name))
+	switch rule.Type {
+	case "watch_hours":
+		if minDays, maxDays := cleanupRuleWindowDays(key); minDays > 0 && maxDays > 0 {
+			rule.WindowDaysMin = minDays
+			rule.WindowDaysMax = maxDays
+		} else if days := cleanupRuleSingleDay(key); days > 0 {
+			rule.WindowDaysMin = days
+			rule.WindowDaysMax = days
+		}
+		if hours := cleanupRuleHours(key); hours > 0 {
+			rule.MinHours = hours
+		}
+	case "recent_login":
+		if days := cleanupRuleSingleDay(key); days > 0 {
+			rule.WindowDaysMax = days
+		}
+	case "account_age_grace":
+		if days := cleanupRuleSingleDay(key); days > 0 {
+			rule.MinCount = days
+		}
+	case "signin_streak":
+		if n := cleanupRuleTrailingNumber(key); n > 0 {
+			rule.MinCount = n
+		}
+	}
+}
+
+func cleanupRuleWindowDays(value string) (int, int) {
+	if m := cleanupRuleWindowDaysRE.FindStringSubmatch(value); len(m) >= 3 {
+		minDays, _ := strconv.Atoi(m[1])
+		maxDays, _ := strconv.Atoi(m[2])
+		if maxDays < minDays {
+			maxDays = minDays
+		}
+		return minDays, maxDays
+	}
+	return 0, 0
+}
+
+func cleanupRuleSingleDay(value string) int {
+	if m := cleanupRuleSingleDayRE.FindStringSubmatch(value); len(m) >= 2 {
+		days, _ := strconv.Atoi(m[1])
+		return days
+	}
+	return 0
+}
+
+func cleanupRuleHours(value string) float64 {
+	if m := cleanupRuleHoursRE.FindStringSubmatch(value); len(m) >= 2 {
+		hours, _ := strconv.ParseFloat(m[1], 64)
+		return hours
+	}
+	return 0
+}
+
+func cleanupRuleTrailingNumber(value string) int {
+	matches := cleanupRuleNumberRE.FindAllStringSubmatch(value, -1)
+	if len(matches) == 0 {
+		return 0
+	}
+	last := matches[len(matches)-1]
+	if len(last) < 2 {
+		return 0
+	}
+	n, _ := strconv.Atoi(last[1])
+	return n
+}
diff --git a/internal/service/bot_settings.go b/internal/service/bot_settings.go
index 64991fa..de7f899 100644
--- a/internal/service/bot_settings.go
+++ b/internal/service/bot_settings.go
@@ -3,7 +3,6 @@ package service
 import (
 	"context"
 	"encoding/json"
-	"regexp"
 	"sort"
 	"strconv"
 	"strings"
@@ -12,13 +11,6 @@ import (
 	"github.com/ShukeBta/MediaStationGo/internal/repository"
 )
 
-var (
-	cleanupRuleWindowDaysRE = regexp.MustCompile(`(?i)(?:^|[_-])(\d+)[_-](\d+)\s*d(?:$|[_-])`)
-	cleanupRuleSingleDayRE  = regexp.MustCompile(`(?i)(?:^|[_-])(\d+)\s*d(?:$|[_-])`)
-	cleanupRuleHoursRE      = regexp.MustCompile(`(?i)(?:^|[_-])(\d+(?:\.\d+)?)\s*h(?:$|[_-])`)
-	cleanupRuleNumberRE     = regexp.MustCompile(`(?i)(?:^|[_-])(\d+)(?:$|[_-])`)
-)
-
 // Bot / 设备管控相关的设置键。全部存储在 settings 表，由管理员通过
 // Telegram Bot 命令调整。带安全默认值：所有自动处理策略默认关闭。
 const (
@@ -191,128 +183,3 @@ func parseIntSettingDefault(value string, fallback int) int {
 	}
 	return n
 }
-
-func normalizeCleanupKeepMode(value, fallback string) string {
-	switch strings.ToLower(strings.TrimSpace(value)) {
-	case "any", "all", "count":
-		return strings.ToLower(strings.TrimSpace(value))
-	default:
-		if fallback == "" {
-			return "any"
-		}
-		return fallback
-	}
-}
-
-func normalizeCleanupRules(rules []accountCleanupRule) []accountCleanupRule {
-	out := make([]accountCleanupRule, 0, len(rules))
-	for _, r := range rules {
-		r.Type = strings.ToLower(strings.TrimSpace(r.Type))
-		r.ID = strings.TrimSpace(r.ID)
-		r.Name = strings.TrimSpace(r.Name)
-		if r.ID == "" {
-			r.ID = r.Type
-		}
-		if r.Name == "" {
-			r.Name = r.ID
-		}
-		if shouldInferCleanupRuleValues(r) {
-			inferCleanupRuleValuesFromID(&r)
-		}
-		if r.WindowDaysMin < 1 {
-			r.WindowDaysMin = 1
-		}
-		if r.WindowDaysMax < r.WindowDaysMin {
-			r.WindowDaysMax = r.WindowDaysMin
-		}
-		if r.MinCount < 0 {
-			r.MinCount = 0
-		}
-		if r.MinHours < 0 {
-			r.MinHours = 0
-		}
-		switch r.Type {
-		case "watch_hours", "recent_login", "signin_streak", "account_age_grace":
-			out = append(out, r)
-		}
-	}
-	return out
-}
-
-func shouldInferCleanupRuleValues(rule accountCleanupRule) bool {
-	name := strings.TrimSpace(rule.Name)
-	return name == "" || strings.EqualFold(name, strings.TrimSpace(rule.ID))
-}
-
-func inferCleanupRuleValuesFromID(rule *accountCleanupRule) {
-	if rule == nil {
-		return
-	}
-	key := strings.ToLower(strings.TrimSpace(rule.ID + "_" + rule.Name))
-	switch rule.Type {
-	case "watch_hours":
-		if minDays, maxDays := cleanupRuleWindowDays(key); minDays > 0 && maxDays > 0 {
-			rule.WindowDaysMin = minDays
-			rule.WindowDaysMax = maxDays
-		} else if days := cleanupRuleSingleDay(key); days > 0 {
-			rule.WindowDaysMin = days
-			rule.WindowDaysMax = days
-		}
-		if hours := cleanupRuleHours(key); hours > 0 {
-			rule.MinHours = hours
-		}
-	case "recent_login":
-		if days := cleanupRuleSingleDay(key); days > 0 {
-			rule.WindowDaysMax = days
-		}
-	case "account_age_grace":
-		if days := cleanupRuleSingleDay(key); days > 0 {
-			rule.MinCount = days
-		}
-	case "signin_streak":
-		if n := cleanupRuleTrailingNumber(key); n > 0 {
-			rule.MinCount = n
-		}
-	}
-}
-
-func cleanupRuleWindowDays(value string) (int, int) {
-	if m := cleanupRuleWindowDaysRE.FindStringSubmatch(value); len(m) >= 3 {
-		minDays, _ := strconv.Atoi(m[1])
-		maxDays, _ := strconv.Atoi(m[2])
-		if maxDays < minDays {
-			maxDays = minDays
-		}
-		return minDays, maxDays
-	}
-	return 0, 0
-}
-
-func cleanupRuleSingleDay(value string) int {
-	if m := cleanupRuleSingleDayRE.FindStringSubmatch(value); len(m) >= 2 {
-		days, _ := strconv.Atoi(m[1])
-		return days
-	}
-	return 0
-}
-
-func cleanupRuleHours(value string) float64 {
-	if m := cleanupRuleHoursRE.FindStringSubmatch(value); len(m) >= 2 {
-		hours, _ := strconv.ParseFloat(m[1], 64)
-		return hours
-	}
-	return 0
-}
-
-func cleanupRuleTrailingNumber(value string) int {
-	matches := cleanupRuleNumberRE.FindAllStringSubmatch(value, -1)
-	if len(matches) == 0 {
-		return 0
-	}
-	last := matches[len(matches)-1]
-	if len(last) < 2 {
-		return 0
-	}
-	n, _ := strconv.Atoi(last[1])
-	return n
-}