feat(api): settings read/write endpoints (#93)

GET/PUT /api/settings/{ffmpeg,playout,xmltv,scanner,logging,ui,hdhr}
wrapping the existing MediatR settings handlers, plus custom resolution
list/create/delete under /api/settings/resolutions. String-enum OpenAPI
schemas extended to OutputFormatKind + LogEventLevel.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

ErsatzTV/Controllers/Api/Requests/CreateResolutionRequest.cs

@@ -0,0 +1,8 @@
+using ErsatzTV.Application.Resolutions;
+
+namespace ErsatzTV.Controllers.Api.Requests;
+
+public record CreateResolutionRequest(int Width, int Height)
+{
+    public CreateCustomResolution ToCommand() => new(Width, Height);
+}

ErsatzTV/Controllers/Api/Requests/UpdateFFmpegSettingsRequest.cs

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+using ErsatzTV.Application.FFmpegProfiles;
+using ErsatzTV.FFmpeg.OutputFormat;
+
+namespace ErsatzTV.Controllers.Api.Requests;
+
+public record UpdateFFmpegSettingsRequest(
+    string FFmpegPath,
+    string FFprobePath,
+    int DefaultFFmpegProfileId,
+    string PreferredAudioLanguageCode,
+    bool UseEmbeddedSubtitles,
+    bool ExtractEmbeddedSubtitles,
+    bool ProbeForInterlacedFrames,
+    bool SaveReports,
+    int? GlobalWatermarkId,
+    int? GlobalFallbackFillerId,
+    int HlsSegmenterIdleTimeout,
+    int WorkAheadSegmenterLimit,
+    int InitialSegmentCount,
+    OutputFormatKind HlsDirectOutputFormat,
+    string DefaultMpegTsScript)
+{
+    public UpdateFFmpegSettings ToCommand() =>
+        new(
+            new FFmpegSettingsViewModel
+            {
+                FFmpegPath = FFmpegPath,
+                FFprobePath = FFprobePath,
+                DefaultFFmpegProfileId = DefaultFFmpegProfileId,
+                PreferredAudioLanguageCode = PreferredAudioLanguageCode,
+                UseEmbeddedSubtitles = UseEmbeddedSubtitles,
+                ExtractEmbeddedSubtitles = ExtractEmbeddedSubtitles,
+                ProbeForInterlacedFrames = ProbeForInterlacedFrames,
+                SaveReports = SaveReports,
+                GlobalWatermarkId = GlobalWatermarkId,
+                GlobalFallbackFillerId = GlobalFallbackFillerId,
+                HlsSegmenterIdleTimeout = HlsSegmenterIdleTimeout,
+                WorkAheadSegmenterLimit = WorkAheadSegmenterLimit,
+                InitialSegmentCount = InitialSegmentCount,
+                HlsDirectOutputFormat = HlsDirectOutputFormat,
+                DefaultMpegTsScript = DefaultMpegTsScript
+            });
+}

ErsatzTV/Controllers/Api/Requests/UpdateHdhrSettingsRequest.cs

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+using ErsatzTV.Application.HDHR;
+
+namespace ErsatzTV.Controllers.Api.Requests;
+
+public record UpdateHdhrSettingsRequest(int TunerCount)
+{
+    public UpdateHDHRTunerCount ToCommand() => new(TunerCount);
+}

ErsatzTV/Controllers/Api/Requests/UpdateLoggingSettingsRequest.cs

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+using ErsatzTV.Application.Configuration;
+using Serilog.Events;
+
+namespace ErsatzTV.Controllers.Api.Requests;
+
+public record UpdateLoggingSettingsRequest(
+    LogEventLevel DefaultMinimumLogLevel,
+    LogEventLevel ScanningMinimumLogLevel,
+    LogEventLevel SchedulingMinimumLogLevel,
+    LogEventLevel SearchingMinimumLogLevel,
+    LogEventLevel StreamingMinimumLogLevel,
+    LogEventLevel HttpMinimumLogLevel)
+{
+    public UpdateLoggingSettings ToCommand() =>
+        new(
+            new LoggingSettingsViewModel
+            {
+                DefaultMinimumLogLevel = DefaultMinimumLogLevel,
+                ScanningMinimumLogLevel = ScanningMinimumLogLevel,
+                SchedulingMinimumLogLevel = SchedulingMinimumLogLevel,
+                SearchingMinimumLogLevel = SearchingMinimumLogLevel,
+                StreamingMinimumLogLevel = StreamingMinimumLogLevel,
+                HttpMinimumLogLevel = HttpMinimumLogLevel
+            });
+}

ErsatzTV/Controllers/Api/Requests/UpdatePlayoutSettingsRequest.cs

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+using ErsatzTV.Application.Configuration;
+
+namespace ErsatzTV.Controllers.Api.Requests;
+
+public record UpdatePlayoutSettingsRequest(int DaysToBuild, bool SkipMissingItems, int ScriptedScheduleTimeoutSeconds)
+{
+    public UpdatePlayoutSettings ToCommand() =>
+        new(
+            new PlayoutSettingsViewModel
+            {
+                DaysToBuild = DaysToBuild,
+                SkipMissingItems = SkipMissingItems,
+                ScriptedScheduleTimeoutSeconds = ScriptedScheduleTimeoutSeconds
+            });
+}

ErsatzTV/Controllers/Api/Requests/UpdateScannerSettingsRequest.cs

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+using ErsatzTV.Application.Configuration;
+
+namespace ErsatzTV.Controllers.Api.Requests;
+
+/// <summary>Library scan cadence. <see cref="LibraryRefreshInterval" /> is expressed in hours.</summary>
+public record UpdateScannerSettingsRequest(int LibraryRefreshInterval)
+{
+    public UpdateLibraryRefreshInterval ToCommand() => new(LibraryRefreshInterval);
+}

ErsatzTV/Controllers/Api/Requests/UpdateUiSettingsRequest.cs

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+using ErsatzTV.Application.Configuration;
+
+namespace ErsatzTV.Controllers.Api.Requests;
+
+public record UpdateUiSettingsRequest(bool IsDarkMode, string Language)
+{
+    public UpdateUiSettings ToCommand() =>
+        new(
+            new UiSettingsViewModel
+            {
+                IsDarkMode = IsDarkMode,
+                Language = Language
+            });
+}

ErsatzTV/Controllers/Api/Requests/UpdateXmltvSettingsRequest.cs

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+using ErsatzTV.Application.Configuration;
+using ApiXmltvBlockBehavior = ErsatzTV.Core.Api.Settings.XmltvBlockBehavior;
+using ApiXmltvTimeZone = ErsatzTV.Core.Api.Settings.XmltvTimeZone;
+
+namespace ErsatzTV.Controllers.Api.Requests;
+
+public record UpdateXmltvSettingsRequest(int DaysToBuild, ApiXmltvTimeZone TimeZone, ApiXmltvBlockBehavior BlockBehavior)
+{
+    public UpdateXmltvSettings ToCommand() =>
+        new(
+            new XmltvSettingsViewModel
+            {
+                DaysToBuild = DaysToBuild,
+                TimeZone = (XmltvTimeZone)(int)TimeZone,
+                BlockBehavior = (XmltvBlockBehavior)(int)BlockBehavior
+            });
+}