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/pipeline/collect_parallel.go

@@ -2,8 +2,8 @@ package pipeline
 
 import (
 	"context"
+	"evobgp/internal/logging"
 	"fmt"
-	"log"
 	"net/http"
 	"os"
 	"strings"
@@ -223,7 +223,7 @@ func collectCDNPrefixRows(ctx context.Context, st store.Backend, hc *http.Client
 	for _, r := range results {
 		if r.err != nil {
 			if cdnPartialOK() {
-				log.Printf("pipeline: CDN partial skip source error: %v", r.err)
+				logging.Default().Info(fmt.Sprintf("pipeline: CDN partial skip source error: %v", r.err))
 				skipped++
 				continue
 			}

internal/pipeline/collect_stale.go

@@ -1,8 +1,8 @@
 package pipeline
 
 import (
+	"evobgp/internal/logging"
 	"fmt"
-	"log"
 	"net/netip"
 	"os"
 	"strings"
@@ -28,7 +28,7 @@ func cdnPartialOK() bool {
 }
 
 func logStaleUpstream(kind, detail string) {
-	log.Printf("pipeline: stale upstream fallback (%s): %s", kind, detail)
+	logging.Default().Info(fmt.Sprintf("pipeline: stale upstream fallback (%s): %s", kind, detail))
 }
 
 func staleASNPrefixes(st store.Backend, priorSnapshot []store.PrefixRow, asn int64) ([]store.PrefixRow, string, bool) {