feat(server/m7-353): config + main.go wiring for coverart enricher

cmd/minstrel/main.go

@@ -13,6 +13,7 @@ import (
 
 	"git.fabledsword.com/bvandeusen/minstrel/internal/auth"
 	"git.fabledsword.com/bvandeusen/minstrel/internal/config"
+	"git.fabledsword.com/bvandeusen/minstrel/internal/coverart"
 	"git.fabledsword.com/bvandeusen/minstrel/internal/db"
 	"git.fabledsword.com/bvandeusen/minstrel/internal/library"
 	"git.fabledsword.com/bvandeusen/minstrel/internal/lidarrconfig"
@@ -71,11 +72,34 @@ func run() error {
 	}
 
 	scanner := library.New(pool, logger, cfg.Library.ScanPaths)
+
+	contact := cfg.Library.ContactEmail
+	if contact == "" {
+		contact = "https://git.fabledsword.com/bvandeusen/minstrel"
+	}
+	coverFetcher := coverart.NewFetcher(coverart.FetcherConfig{
+		UserAgent: fmt.Sprintf("Minstrel/dev (%s)", contact),
+		MinPeriod: time.Second,
+	})
+	coverEnricher := coverart.NewEnricher(pool, logger.With("component", "coverart"), coverFetcher, cfg.Library.CoverArtFromMBCAA)
+
 	if cfg.Library.ScanOnStartup && len(cfg.Library.ScanPaths) > 0 {
 		go func() {
 			if _, err := scanner.Scan(ctx); err != nil {
 				logger.Error("startup scan failed", "err", err)
 			}
+			// Enrich any newly-imported albums (and resume any partial backlog).
+			if _, err := coverEnricher.EnrichBatch(ctx, cfg.Library.CoverArtBackfillCap); err != nil {
+				logger.Warn("post-scan cover enrichment failed", "err", err)
+			}
+		}()
+	} else {
+		// No startup scan — still run the boot backfill once for any rows
+		// the previous run didn't get to.
+		go func() {
+			if _, err := coverEnricher.EnrichBatch(ctx, cfg.Library.CoverArtBackfillCap); err != nil {
+				logger.Warn("boot cover enrichment failed", "err", err)
+			}
 		}()
 	}