feat(cmd): start Lidarr reconciler worker alongside HTTP server

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

cmd/minstrel/main.go

@@ -15,6 +15,8 @@ import (
 	"git.fabledsword.com/bvandeusen/minstrel/internal/config"
 	"git.fabledsword.com/bvandeusen/minstrel/internal/db"
 	"git.fabledsword.com/bvandeusen/minstrel/internal/library"
+	"git.fabledsword.com/bvandeusen/minstrel/internal/lidarrconfig"
+	"git.fabledsword.com/bvandeusen/minstrel/internal/lidarrrequests"
 	"git.fabledsword.com/bvandeusen/minstrel/internal/logging"
 	"git.fabledsword.com/bvandeusen/minstrel/internal/scrobble"
 	"git.fabledsword.com/bvandeusen/minstrel/internal/scrobble/listenbrainz"
@@ -88,6 +90,13 @@ func run() error {
 	similarityWorker := similarity.NewWorker(pool, listenbrainz.NewClient(), logger.With("component", "similarity"))
 	go similarityWorker.Run(ctx)
 
+	// Start the Lidarr reconciler worker. Per spec §M5a, polls pending Lidarr
+	// import requests and reconciles them against the library. Short-circuits
+	// to no-op when lidarr_config.enabled = false.
+	lidarrCfg := lidarrconfig.New(pool)
+	lidarrReconciler := lidarrrequests.NewReconciler(pool, lidarrCfg, logger.With("component", "lidarr"))
+	go lidarrReconciler.Run(ctx)
+
 	srv := server.New(logger, pool, scanner, subsonic.Config{
 		AllowPlaintextPassword: cfg.Subsonic.AllowPlaintextPassword,
 	}, cfg.Events, cfg.Recommendation)