chore: trace GetIntros calls and outcomes at Information level (v1.0.0.7)

Logs every GetIntros call (item, path, enabled features), why an item
is skipped, and pre-roll/post-roll lookup outcomes, without depending
on a Debug logging.json override.

Jellyfin.Plugin.CinemaTrailers4Jellyfins/Services/TrailerIntroProvider.cs

@@ -48,6 +48,16 @@ namespace Jellyfin.Plugin.CinemaTrailers4Jellyfins.Services
             var preRollEnabled = !string.IsNullOrEmpty(config.TrailerPreRollLibraryId);
             var featurePreRollEnabled = !string.IsNullOrEmpty(config.FeaturePreRollLibraryId);
 
+            _logger.LogInformation(
+                "|CinemaTrailers4Jellyfins| GetIntros called for {Type} '{Name}' (Path={Path}). "
+                + "trailersEnabled={Trailers} preRollEnabled={PreRoll} featurePreRollEnabled={FeaturePreRoll}",
+                item.GetType().Name,
+                item.Name,
+                item.Path,
+                trailersEnabled,
+                preRollEnabled,
+                featurePreRollEnabled);
+
             if (!trailersEnabled && !preRollEnabled && !featurePreRollEnabled)
                 return Task.FromResult(Enumerable.Empty<IntroInfo>());
 
@@ -65,16 +75,23 @@ namespace Jellyfin.Plugin.CinemaTrailers4Jellyfins.Services
 
                 case Episode episode:
                     if (!config.TrailersForEpisodes)
+                    {
+                        _logger.LogInformation("|CinemaTrailers4Jellyfins| Skipping: TrailersForEpisodes is disabled.");
                         return Task.FromResult(Enumerable.Empty<IntroInfo>());
+                    }
 
                     if (!IsFirstEpisodeOfDay(user.Id))
+                    {
+                        _logger.LogInformation("|CinemaTrailers4Jellyfins| Skipping: not the first episode of the day for this user.");
                         return Task.FromResult(Enumerable.Empty<IntroInfo>());
+                    }
 
                     feature = episode.Series ?? (BaseItem)episode;
                     isEpisode = true;
                     break;
 
                 default:
+                    _logger.LogInformation("|CinemaTrailers4Jellyfins| Skipping: item type {Type} is not a Movie or Episode.", item.GetType().Name);
                     return Task.FromResult(Enumerable.Empty<IntroInfo>());
             }
 
@@ -85,7 +102,10 @@ namespace Jellyfin.Plugin.CinemaTrailers4Jellyfins.Services
             // (covers both the fake-movie files and their trailer extras).
             if (!string.IsNullOrEmpty(outputFolder)
                 && item.Path?.StartsWith(outputFolder, StringComparison.OrdinalIgnoreCase) == true)
+            {
+                _logger.LogInformation("|CinemaTrailers4Jellyfins| Skipping: item path is inside the output folder ({Folder}).", outputFolder);
                 return Task.FromResult(Enumerable.Empty<IntroInfo>());
+            }
 
             var intros = new List<IntroInfo>();
 
@@ -150,6 +170,11 @@ namespace Jellyfin.Plugin.CinemaTrailers4Jellyfins.Services
                     intros.Add(featureRoll);
             }
 
+            _logger.LogInformation(
+                "|CinemaTrailers4Jellyfins| Returning {Count} intro(s): {Paths}",
+                intros.Count,
+                string.Join(", ", intros.Select(i => i.Path)));
+
             return Task.FromResult<IEnumerable<IntroInfo>>(intros);
         }
 
@@ -181,7 +206,7 @@ namespace Jellyfin.Plugin.CinemaTrailers4Jellyfins.Services
 
             if (movies.Count == 0)
             {
-                _logger.LogDebug(
+                _logger.LogInformation(
                     "|CinemaTrailers4Jellyfins| {Label} library {LibraryId} has no eligible Movie items. "
                     + "Ensure the library has been scanned and contains at least one other Movie.",
                     label,
@@ -190,7 +215,7 @@ namespace Jellyfin.Plugin.CinemaTrailers4Jellyfins.Services
             }
 
             var movie = movies[_rng.Next(movies.Count)];
-            _logger.LogDebug(
+            _logger.LogInformation(
                 "|CinemaTrailers4Jellyfins| {Label}: picked '{Title}' ({Path}).",
                 label,
                 movie.Name,