refactor(maintenance): remove hardcoded retention and wire scheduler

RunPeriodicMaintenance и RunCleanup удалены; scheduler политик в StartBackground; deprecated /postgres/cleanup принимает policy_id.

Co-authored-by: Cursor <[email protected]>

internal/httpapi/server.go

@@ -8,6 +8,7 @@ import (
 	"errors"
 	"net/http"
 	"strings"
+	"time"
 
 	"evobgp/internal/jobs"
 	"evobgp/internal/maintenance"
@@ -107,9 +108,19 @@ func (s *Server) Store() store.Backend { return s.store }
 // Jobs exposes the in-process async job registry (for scheduler / evobgp-all).
 func (s *Server) Jobs() *jobs.Registry { return s.jobs }
 
-// StartBackground starts PostgreSQL monitoring scheduler until ctx is cancelled.
+// StartBackground starts PostgreSQL monitoring and maintenance schedulers until ctx is cancelled.
 func (s *Server) StartBackground(ctx context.Context) {
 	if s != nil && s.pgPool != nil {
 		pgmonitor.StartScheduler(ctx, s.pgPool)
 	}
+	if s != nil && s.maintConfig != nil && s.jobs != nil {
+		maintenance.StartScheduler(ctx, s.maintConfig, func(policyID string, dryRun bool, idem string) {
+			key := idem
+			_, _, _ = s.jobs.Enqueue("", jobs.KindMaintenancePolicyRun, &key, nil, map[string]any{
+				"policy_id": policyID,
+				"dry_run":   dryRun,
+				"trigger":   "scheduler",
+			})
+		}, 30*time.Second)
+	}
 }