feat(jobs): add durable PG queue reclaim, slog, and richer metrics

JSON slog в ключевых пакетах; Prometheus path_group, job_audit_depth, upstream breaker; job_audit ClaimQueued/ReclaimStaleRunning + Adopt loop для HA после рестарта.

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

internal/broker/connect.go

@@ -4,7 +4,8 @@ package broker
 
 import (
 	"context"
-	"log"
+	"evobgp/internal/logging"
+	"fmt"
 	"strings"
 )
 
@@ -14,6 +15,6 @@ func LogConnect(ctx context.Context, brokerURL string) {
 	if u == "" {
 		return
 	}
-	log.Printf("broker: EVOBGP_BROKER_URL=%q set; control plane still uses in-process jobs.Registry (no JetStream/Redis consumer in this binary)", u)
+	logging.Default().Info(fmt.Sprintf("broker: EVOBGP_BROKER_URL=%q set; control plane still uses in-process jobs.Registry (no JetStream/Redis consumer in this binary)", u))
 	_ = ctx
 }