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refactor: extract SecAgent support into native plugin #266

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f0b75dc
refactor: extract SecAgent support into plugin boundary
PANDAJSR Aug 17, 2026
53a927b
fix: reset exhausted external draw rounds
PANDAJSR Aug 17, 2026
8ae4b81
fix: reset student history with draw rounds
PANDAJSR Aug 17, 2026
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34 changes: 34 additions & 0 deletions SecRandom.PluginSdk/IExternalStudentDrawService.cs
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using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.PluginSdk;

/// <summary>
/// Host-neutral student draw boundary for plugins and other external integrations.
/// The transport and authentication policy belong to the integration that consumes it.
/// </summary>
public sealed record ExternalStudentDrawRequest
{
public string Mode { get; init; } = "result_only";
public int Count { get; init; } = 1;
public string Gender { get; init; } = string.Empty;
public IReadOnlyList<string> IncludeTags { get; init; } = [];
public IReadOnlyList<string> ExcludeTags { get; init; } = [];
public IReadOnlyList<string> IncludeIds { get; init; } = [];
public IReadOnlyList<string> IncludeNames { get; init; } = [];
}

public sealed record ExternalStudentDrawResult(
string Mode,
string Status,
string Profile,
IReadOnlyList<Student> Students);

public interface IExternalStudentDrawService
{
Task<ExternalStudentDrawResult> DrawAsync(
ExternalStudentDrawRequest request,
CancellationToken cancellationToken = default);
}
6 changes: 6 additions & 0 deletions SecRandom.PluginSdk/README.md
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Expand Up@@ -32,6 +32,12 @@ Published plugins reference the SDK package and exclude its runtime assets so th

The repository template defaults `UseLocalPluginSdk=true` so solution builds work before the SDK is published; set `UseLocalPluginSdk=false` with a NuGet source that contains `SecRandom.PluginSdk` to exercise the release packaging path.

## Host integration APIs

`IExternalStudentDrawService` lets a transport plugin request a host-managed student draw
without depending on desktop application's internal service types. The host owns drawing,
temporary records, history, security, and notifications; the plugin owns its transport.

## Building a plugin package

Set `<CreateSrpx>true</CreateSrpx>` to produce `srpx/<ProjectName>.srpx` after every build. The package is a ZIP whose root contains `manifest.yml`, the entrance assembly, and any external package dependencies. Place it in `data/cache/plugin-packages` and restart the desktop application to install.
5 changes: 1 addition & 4 deletions SecRandom/App.axaml.cs
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Original file line numberDiff line numberDiff line change
Expand Up@@ -59,7 +59,6 @@
using SecRandom.Services.Music;
using SecRandom.Services.Settings;
using SecRandom.Services.Security;
using SecRandom.Services.SecAgent;
using SecRandom.Services.Telemetry;
using SecRandom.Services.Verification;
using SecRandom.Services.Voice;
Expand DownExpand Up@@ -844,9 +843,7 @@ private void BuildHost(IPlatformServiceRoot platform)
services.AddSingleton<IVoiceAnnouncementService>(serviceProvider =>
serviceProvider.GetRequiredService<VoiceAnnouncementService>());
services.AddSingleton<NotificationService>();
// Local-only REST endpoint for the SecAgent connector. It intentionally has no UI/settings registration.
services.AddHostedService<SecAgentHttpHostedService>();
services.AddHostedService<SecAgentPluginBootstrapHostedService>();
services.AddSingleton<IExternalStudentDrawService, ExternalStudentDrawService>();
services.AddSingleton(serviceProvider => new MusicLibraryService(
serviceProvider.GetRequiredService<MainConfigHandler>(),
serviceProvider.GetRequiredService<ILogger<MusicLibraryService>>(),
Expand Down
148 changes: 148 additions & 0 deletions SecRandom/Services/Draw/ExternalStudentDrawService.cs
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@@ -0,0 +1,148 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Core.Abstraction.Services;
using SecRandom.Core.Enums;
using SecRandom.Core.Enums.Configs;
using SecRandom.Core.Models.Draw;
using SecRandom.Core.Services.Config;
using SecRandom.Core.Services.Draw;
using SecRandom.PluginSdk;
using SecRandom.Services.Linkage;
using SecRandom.Services.Notification;
using SecRandom.Shared.Extensions;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.Services.Draw;

/// <summary>
/// Implements the host-neutral external student draw boundary.
/// Transport-specific integrations, such as the SecAgent plugin, call this service.
/// </summary>
public sealed class ExternalStudentDrawService(
IProfileService profileService,
MainConfigHandler configHandler,
IDrawTemporaryRecordService temporaryRecordService,
DrawEngine drawEngine,
LinkageDrawCoordinator linkageDrawCoordinator,
NotificationService notificationService) : IExternalStudentDrawService
{
public async Task<ExternalStudentDrawResult> DrawAsync(
ExternalStudentDrawRequest request,
CancellationToken cancellationToken = default)
{
if (request.Mode is not ("flash" or "result_only"))
throw new ArgumentException("mode must be flash or result_only.", nameof(request));

var requestedCount = Math.Clamp(request.Count, 1, 100);
if (request.Mode == "flash")
requestedCount = 1;

var gender = request.Gender?.Trim() ?? string.Empty;
var listName = profileService.CurrentStudentList?.Name ?? string.Empty;
var temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
var hasMatchingStudents = (profileService.CurrentStudentList?.Students ?? [])
.Any(student => student.IsCandidate && Matches(student, gender, request));
var mayResetExhaustedRound = configHandler.Data.QuickDrawSettings.DrawMode != DrawMode.Repeat
&& hasMatchingStudents;

var result = await InvokeAuthorizedAsync(
SecurityOperation.QuickDrawStart,
async () =>
{
DrawResult<Student> DrawFromRemainingStudents()
=> drawEngine.DrawStudent(
requestedCount,
student => Matches(student, gender, request)
&& !HasReachedTemporaryLimit(student, temporaryCounts),
DrawSettingsType.QuickDraw,
linkageDrawCoordinator.GetCourseName());

var draw = DrawFromRemainingStudents();
if (!draw.IsSuccess
&& mayResetExhaustedRound
&& draw.Status == DrawStatus.RepeatLimitExhausted)
{
profileService.ClearCurrentStudentHistory();
temporaryRecordService.ResetStudentList(listName);
temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
draw = DrawFromRemainingStudents();
}

if (!draw.IsSuccess || draw.Result.Count == 0)
return draw;

profileService.RecordStudentHistory(
draw.Result,
DateTime.Now,
requestedCount,
drawMethod: (int)configHandler.Data.QuickDrawSettings.DrawType,
courseName: linkageDrawCoordinator.GetCourseName());
temporaryRecordService.RecordStudents(listName, gender, string.Empty, draw.Result);
if (request.Mode == "flash")
notificationService.QueueStudents(
NotificationSettingsType.QuickDraw,
linkageDrawCoordinator.GetCourseName(),
draw.Result);
return draw;
},
cancellationToken).ConfigureAwait(false);

return new ExternalStudentDrawResult(
request.Mode,
result.Status.ToString(),
listName,
result.Result);
}

private async Task<DrawResult<Student>> InvokeAuthorizedAsync(
SecurityOperation operation,
Func<Task<DrawResult<Student>>> action,
CancellationToken cancellationToken)
{
DrawResult<Student>? result = null;
var authorized = await linkageDrawCoordinator.AuthorizeAsync(
operation,
async () => result = await action().ConfigureAwait(false),
cancellationToken).ConfigureAwait(false);
return authorized && result is not null
? result
: new DrawResult<Student> { Status = DrawStatus.Failure };
}

private bool HasReachedTemporaryLimit(
Student student,
IReadOnlyDictionary<string, int> temporaryCounts)
{
var settings = configHandler.Data.QuickDrawSettings;
var threshold = settings.DrawMode switch
{
DrawMode.Repeat => 0,
DrawMode.NoRepeat => 1,
DrawMode.HalfRepeat => Math.Max(1, settings.HalfRepeat),
_ => 1
};
return threshold > 0
&& temporaryCounts.GetValueOrDefault(ProfileRecordIdentity.EnsureRecordId(student)) >= threshold;
}

private static bool Matches(
Student student,
string gender,
ExternalStudentDrawRequest request)
{
var tags = student.Tags.Split(
[',', ';', ' '],
StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
return (string.IsNullOrWhiteSpace(gender)
|| string.Equals(student.Gender, gender, StringComparison.OrdinalIgnoreCase))
&& request.IncludeTags.All(tag => tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
&& request.ExcludeTags.All(tag => !tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
&& (request.IncludeIds.Count == 0
|| request.IncludeIds.Contains(student.Id, StringComparer.OrdinalIgnoreCase))
&& (request.IncludeNames.Count == 0
|| request.IncludeNames.Contains(student.Name, StringComparer.OrdinalIgnoreCase));
}
}
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try {
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var __re = new RegExp('^' + "github\\.com" + '
refactor: extract SecAgent support into native plugin by PANDAJSR · Pull Request #266 · SECTL/SecRandom · GitHub
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refactor: extract SecAgent support into native plugin#266

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f0b75dc

refactor: extract SecAgent support into plugin boundary


PANDAJSR Aug 17, 2026
53a927b

fix: reset exhausted external draw rounds


PANDAJSR Aug 17, 2026
8ae4b81

fix: reset student history with draw rounds


PANDAJSR Aug 17, 2026

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34 changes: 34 additions & 0 deletions
SecRandom.PluginSdk/IExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.PluginSdk;

/// <summary>
/// Host-neutral student draw boundary for plugins and other external integrations.
/// The transport and authentication policy belong to the integration that consumes it.
/// </summary>
public sealed record ExternalStudentDrawRequest
{
 public string Mode { get; init; } = "result_only";
 public int Count { get; init; } = 1;
 public string Gender { get; init; } = string.Empty;
 public IReadOnlyList<string> IncludeTags { get; init; } = [];
 public IReadOnlyList<string> ExcludeTags { get; init; } = [];
 public IReadOnlyList<string> IncludeIds { get; init; } = [];
 public IReadOnlyList<string> IncludeNames { get; init; } = [];
}

public sealed record ExternalStudentDrawResult(
 string Mode,
 string Status,
 string Profile,
 IReadOnlyList<Student> Students);

public interface IExternalStudentDrawService
{
 Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default);
}

6 changes: 6 additions & 0 deletions
SecRandom.PluginSdk/README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -32,6 +32,12 @@ Published plugins reference the SDK package and exclude its runtime assets so th

The repository template defaults `UseLocalPluginSdk=true` so solution builds work before the SDK is published; set `UseLocalPluginSdk=false` with a NuGet source that contains `SecRandom.PluginSdk` to exercise the release packaging path.

## Host integration APIs

`IExternalStudentDrawService` lets a transport plugin request a host-managed student draw
without depending on desktop application's internal service types. The host owns drawing,
temporary records, history, security, and notifications; the plugin owns its transport.

## Building a plugin package

Set `<CreateSrpx>true</CreateSrpx>` to produce `srpx/<ProjectName>.srpx` after every build. The package is a ZIP whose root contains `manifest.yml`, the entrance assembly, and any external package dependencies. Place it in `data/cache/plugin-packages` and restart the desktop application to install.

5 changes: 1 addition & 4 deletions
SecRandom/App.axaml.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -59,7 +59,6 @@
using SecRandom.Services.Music;
using SecRandom.Services.Settings;
using SecRandom.Services.Security;
using SecRandom.Services.SecAgent;
using SecRandom.Services.Telemetry;
using SecRandom.Services.Verification;
using SecRandom.Services.Voice;
Expand DownExpand Up@@ -844,9 +843,7 @@ private void BuildHost(IPlatformServiceRoot platform)
 services.AddSingleton<IVoiceAnnouncementService>(serviceProvider =>
 serviceProvider.GetRequiredService<VoiceAnnouncementService>());
 services.AddSingleton<NotificationService>();
 // Local-only REST endpoint for the SecAgent connector. It intentionally has no UI/settings registration.
 services.AddHostedService<SecAgentHttpHostedService>();
 services.AddHostedService<SecAgentPluginBootstrapHostedService>();
 services.AddSingleton<IExternalStudentDrawService, ExternalStudentDrawService>();
 services.AddSingleton(serviceProvider => new MusicLibraryService(
 serviceProvider.GetRequiredService<MainConfigHandler>(),
 serviceProvider.GetRequiredService<ILogger<MusicLibraryService>>(),
Expand Down

148 changes: 148 additions & 0 deletions
SecRandom/Services/Draw/ExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,148 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Core.Abstraction.Services;
using SecRandom.Core.Enums;
using SecRandom.Core.Enums.Configs;
using SecRandom.Core.Models.Draw;
using SecRandom.Core.Services.Config;
using SecRandom.Core.Services.Draw;
using SecRandom.PluginSdk;
using SecRandom.Services.Linkage;
using SecRandom.Services.Notification;
using SecRandom.Shared.Extensions;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.Services.Draw;

/// <summary>
/// Implements the host-neutral external student draw boundary.
/// Transport-specific integrations, such as the SecAgent plugin, call this service.
/// </summary>
public sealed class ExternalStudentDrawService(
 IProfileService profileService,
 MainConfigHandler configHandler,
 IDrawTemporaryRecordService temporaryRecordService,
 DrawEngine drawEngine,
 LinkageDrawCoordinator linkageDrawCoordinator,
 NotificationService notificationService) : IExternalStudentDrawService
{
 public async Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default)
 {
 if (request.Mode is not ("flash" or "result_only"))
 throw new ArgumentException("mode must be flash or result_only.", nameof(request));

 var requestedCount = Math.Clamp(request.Count, 1, 100);
 if (request.Mode == "flash")
 requestedCount = 1;

 var gender = request.Gender?.Trim() ?? string.Empty;
 var listName = profileService.CurrentStudentList?.Name ?? string.Empty;
 var temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 var hasMatchingStudents = (profileService.CurrentStudentList?.Students ?? [])
 .Any(student => student.IsCandidate && Matches(student, gender, request));
 var mayResetExhaustedRound = configHandler.Data.QuickDrawSettings.DrawMode != DrawMode.Repeat
 && hasMatchingStudents;

 var result = await InvokeAuthorizedAsync(
 SecurityOperation.QuickDrawStart,
 async () =>
 {
 DrawResult<Student> DrawFromRemainingStudents()
 => drawEngine.DrawStudent(
 requestedCount,
 student => Matches(student, gender, request)
 && !HasReachedTemporaryLimit(student, temporaryCounts),
 DrawSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName());

 var draw = DrawFromRemainingStudents();
 if (!draw.IsSuccess
 && mayResetExhaustedRound
 && draw.Status == DrawStatus.RepeatLimitExhausted)
 {
 profileService.ClearCurrentStudentHistory();
 temporaryRecordService.ResetStudentList(listName);
 temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 draw = DrawFromRemainingStudents();
 }

 if (!draw.IsSuccess || draw.Result.Count == 0)
 return draw;

 profileService.RecordStudentHistory(
 draw.Result,
 DateTime.Now,
 requestedCount,
 drawMethod: (int)configHandler.Data.QuickDrawSettings.DrawType,
 courseName: linkageDrawCoordinator.GetCourseName());
 temporaryRecordService.RecordStudents(listName, gender, string.Empty, draw.Result);
 if (request.Mode == "flash")
 notificationService.QueueStudents(
 NotificationSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName(),
 draw.Result);
 return draw;
 },
 cancellationToken).ConfigureAwait(false);

 return new ExternalStudentDrawResult(
 request.Mode,
 result.Status.ToString(),
 listName,
 result.Result);
 }

 private async Task<DrawResult<Student>> InvokeAuthorizedAsync(
 SecurityOperation operation,
 Func<Task<DrawResult<Student>>> action,
 CancellationToken cancellationToken)
 {
 DrawResult<Student>? result = null;
 var authorized = await linkageDrawCoordinator.AuthorizeAsync(
 operation,
 async () => result = await action().ConfigureAwait(false),
 cancellationToken).ConfigureAwait(false);
 return authorized && result is not null
 ? result
 : new DrawResult<Student> { Status = DrawStatus.Failure };
 }

 private bool HasReachedTemporaryLimit(
 Student student,
 IReadOnlyDictionary<string, int> temporaryCounts)
 {
 var settings = configHandler.Data.QuickDrawSettings;
 var threshold = settings.DrawMode switch
 {
 DrawMode.Repeat => 0,
 DrawMode.NoRepeat => 1,
 DrawMode.HalfRepeat => Math.Max(1, settings.HalfRepeat),
 _ => 1
 };
 return threshold > 0
 && temporaryCounts.GetValueOrDefault(ProfileRecordIdentity.EnsureRecordId(student)) >= threshold;
 }

 private static bool Matches(
 Student student,
 string gender,
 ExternalStudentDrawRequest request)
 {
 var tags = student.Tags.Split(
 [',', ';', ' '],
 StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
 return (string.IsNullOrWhiteSpace(gender)
 || string.Equals(student.Gender, gender, StringComparison.OrdinalIgnoreCase))
 && request.IncludeTags.All(tag => tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && request.ExcludeTags.All(tag => !tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeIds.Count == 0
 || request.IncludeIds.Contains(student.Id, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeNames.Count == 0
 || request.IncludeNames.Contains(student.Name, StringComparer.OrdinalIgnoreCase));
 }
}
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color-scheme: dark light;
}
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refactor: extract SecAgent support into native plugin by PANDAJSR · Pull Request #266 · SECTL/SecRandom · GitHub
Skip to content
refactor: extract SecAgent support into native plugin#266

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PANDAJSR
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from

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refactor: extract SecAgent support into native plugin
#266
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f0b75dc

refactor: extract SecAgent support into plugin boundary


PANDAJSR Aug 17, 2026
53a927b

fix: reset exhausted external draw rounds


PANDAJSR Aug 17, 2026
8ae4b81

fix: reset student history with draw rounds


PANDAJSR Aug 17, 2026

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34 changes: 34 additions & 0 deletions
SecRandom.PluginSdk/IExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.PluginSdk;

/// <summary>
/// Host-neutral student draw boundary for plugins and other external integrations.
/// The transport and authentication policy belong to the integration that consumes it.
/// </summary>
public sealed record ExternalStudentDrawRequest
{
 public string Mode { get; init; } = "result_only";
 public int Count { get; init; } = 1;
 public string Gender { get; init; } = string.Empty;
 public IReadOnlyList<string> IncludeTags { get; init; } = [];
 public IReadOnlyList<string> ExcludeTags { get; init; } = [];
 public IReadOnlyList<string> IncludeIds { get; init; } = [];
 public IReadOnlyList<string> IncludeNames { get; init; } = [];
}

public sealed record ExternalStudentDrawResult(
 string Mode,
 string Status,
 string Profile,
 IReadOnlyList<Student> Students);

public interface IExternalStudentDrawService
{
 Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default);
}

6 changes: 6 additions & 0 deletions
SecRandom.PluginSdk/README.md

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -32,6 +32,12 @@ Published plugins reference the SDK package and exclude its runtime assets so th

The repository template defaults `UseLocalPluginSdk=true` so solution builds work before the SDK is published; set `UseLocalPluginSdk=false` with a NuGet source that contains `SecRandom.PluginSdk` to exercise the release packaging path.

## Host integration APIs

`IExternalStudentDrawService` lets a transport plugin request a host-managed student draw
without depending on desktop application's internal service types. The host owns drawing,
temporary records, history, security, and notifications; the plugin owns its transport.

## Building a plugin package

Set `<CreateSrpx>true</CreateSrpx>` to produce `srpx/<ProjectName>.srpx` after every build. The package is a ZIP whose root contains `manifest.yml`, the entrance assembly, and any external package dependencies. Place it in `data/cache/plugin-packages` and restart the desktop application to install.

5 changes: 1 addition & 4 deletions
SecRandom/App.axaml.cs

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -59,7 +59,6 @@
using SecRandom.Services.Music;
using SecRandom.Services.Settings;
using SecRandom.Services.Security;
using SecRandom.Services.SecAgent;
using SecRandom.Services.Telemetry;
using SecRandom.Services.Verification;
using SecRandom.Services.Voice;
Expand DownExpand Up@@ -844,9 +843,7 @@ private void BuildHost(IPlatformServiceRoot platform)
 services.AddSingleton<IVoiceAnnouncementService>(serviceProvider =>
 serviceProvider.GetRequiredService<VoiceAnnouncementService>());
 services.AddSingleton<NotificationService>();
 // Local-only REST endpoint for the SecAgent connector. It intentionally has no UI/settings registration.
 services.AddHostedService<SecAgentHttpHostedService>();
 services.AddHostedService<SecAgentPluginBootstrapHostedService>();
 services.AddSingleton<IExternalStudentDrawService, ExternalStudentDrawService>();
 services.AddSingleton(serviceProvider => new MusicLibraryService(
 serviceProvider.GetRequiredService<MainConfigHandler>(),
 serviceProvider.GetRequiredService<ILogger<MusicLibraryService>>(),
Expand Down

148 changes: 148 additions & 0 deletions
SecRandom/Services/Draw/ExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,148 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Core.Abstraction.Services;
using SecRandom.Core.Enums;
using SecRandom.Core.Enums.Configs;
using SecRandom.Core.Models.Draw;
using SecRandom.Core.Services.Config;
using SecRandom.Core.Services.Draw;
using SecRandom.PluginSdk;
using SecRandom.Services.Linkage;
using SecRandom.Services.Notification;
using SecRandom.Shared.Extensions;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.Services.Draw;

/// <summary>
/// Implements the host-neutral external student draw boundary.
/// Transport-specific integrations, such as the SecAgent plugin, call this service.
/// </summary>
public sealed class ExternalStudentDrawService(
 IProfileService profileService,
 MainConfigHandler configHandler,
 IDrawTemporaryRecordService temporaryRecordService,
 DrawEngine drawEngine,
 LinkageDrawCoordinator linkageDrawCoordinator,
 NotificationService notificationService) : IExternalStudentDrawService
{
 public async Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default)
 {
 if (request.Mode is not ("flash" or "result_only"))
 throw new ArgumentException("mode must be flash or result_only.", nameof(request));

 var requestedCount = Math.Clamp(request.Count, 1, 100);
 if (request.Mode == "flash")
 requestedCount = 1;

 var gender = request.Gender?.Trim() ?? string.Empty;
 var listName = profileService.CurrentStudentList?.Name ?? string.Empty;
 var temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 var hasMatchingStudents = (profileService.CurrentStudentList?.Students ?? [])
 .Any(student => student.IsCandidate && Matches(student, gender, request));
 var mayResetExhaustedRound = configHandler.Data.QuickDrawSettings.DrawMode != DrawMode.Repeat
 && hasMatchingStudents;

 var result = await InvokeAuthorizedAsync(
 SecurityOperation.QuickDrawStart,
 async () =>
 {
 DrawResult<Student> DrawFromRemainingStudents()
 => drawEngine.DrawStudent(
 requestedCount,
 student => Matches(student, gender, request)
 && !HasReachedTemporaryLimit(student, temporaryCounts),
 DrawSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName());

 var draw = DrawFromRemainingStudents();
 if (!draw.IsSuccess
 && mayResetExhaustedRound
 && draw.Status == DrawStatus.RepeatLimitExhausted)
 {
 profileService.ClearCurrentStudentHistory();
 temporaryRecordService.ResetStudentList(listName);
 temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 draw = DrawFromRemainingStudents();
 }

 if (!draw.IsSuccess || draw.Result.Count == 0)
 return draw;

 profileService.RecordStudentHistory(
 draw.Result,
 DateTime.Now,
 requestedCount,
 drawMethod: (int)configHandler.Data.QuickDrawSettings.DrawType,
 courseName: linkageDrawCoordinator.GetCourseName());
 temporaryRecordService.RecordStudents(listName, gender, string.Empty, draw.Result);
 if (request.Mode == "flash")
 notificationService.QueueStudents(
 NotificationSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName(),
 draw.Result);
 return draw;
 },
 cancellationToken).ConfigureAwait(false);

 return new ExternalStudentDrawResult(
 request.Mode,
 result.Status.ToString(),
 listName,
 result.Result);
 }

 private async Task<DrawResult<Student>> InvokeAuthorizedAsync(
 SecurityOperation operation,
 Func<Task<DrawResult<Student>>> action,
 CancellationToken cancellationToken)
 {
 DrawResult<Student>? result = null;
 var authorized = await linkageDrawCoordinator.AuthorizeAsync(
 operation,
 async () => result = await action().ConfigureAwait(false),
 cancellationToken).ConfigureAwait(false);
 return authorized && result is not null
 ? result
 : new DrawResult<Student> { Status = DrawStatus.Failure };
 }

 private bool HasReachedTemporaryLimit(
 Student student,
 IReadOnlyDictionary<string, int> temporaryCounts)
 {
 var settings = configHandler.Data.QuickDrawSettings;
 var threshold = settings.DrawMode switch
 {
 DrawMode.Repeat => 0,
 DrawMode.NoRepeat => 1,
 DrawMode.HalfRepeat => Math.Max(1, settings.HalfRepeat),
 _ => 1
 };
 return threshold > 0
 && temporaryCounts.GetValueOrDefault(ProfileRecordIdentity.EnsureRecordId(student)) >= threshold;
 }

 private static bool Matches(
 Student student,
 string gender,
 ExternalStudentDrawRequest request)
 {
 var tags = student.Tags.Split(
 [',', ';', ' '],
 StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
 return (string.IsNullOrWhiteSpace(gender)
 || string.Equals(student.Gender, gender, StringComparison.OrdinalIgnoreCase))
 && request.IncludeTags.All(tag => tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && request.ExcludeTags.All(tag => !tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeIds.Count == 0
 || request.IncludeIds.Contains(student.Id, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeNames.Count == 0
 || request.IncludeNames.Contains(student.Name, StringComparer.OrdinalIgnoreCase));
 }
}
Loading
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
refactor: extract SecAgent support into native plugin by PANDAJSR · Pull Request #266 · SECTL/SecRandom · GitHub
Skip to content
refactor: extract SecAgent support into native plugin#266

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refactor: extract SecAgent support into plugin boundary


PANDAJSR Aug 17, 2026
53a927b

fix: reset exhausted external draw rounds


PANDAJSR Aug 17, 2026
8ae4b81

fix: reset student history with draw rounds


PANDAJSR Aug 17, 2026

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34 changes: 34 additions & 0 deletions
SecRandom.PluginSdk/IExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.PluginSdk;

/// <summary>
/// Host-neutral student draw boundary for plugins and other external integrations.
/// The transport and authentication policy belong to the integration that consumes it.
/// </summary>
public sealed record ExternalStudentDrawRequest
{
 public string Mode { get; init; } = "result_only";
 public int Count { get; init; } = 1;
 public string Gender { get; init; } = string.Empty;
 public IReadOnlyList<string> IncludeTags { get; init; } = [];
 public IReadOnlyList<string> ExcludeTags { get; init; } = [];
 public IReadOnlyList<string> IncludeIds { get; init; } = [];
 public IReadOnlyList<string> IncludeNames { get; init; } = [];
}

public sealed record ExternalStudentDrawResult(
 string Mode,
 string Status,
 string Profile,
 IReadOnlyList<Student> Students);

public interface IExternalStudentDrawService
{
 Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default);
}

6 changes: 6 additions & 0 deletions
SecRandom.PluginSdk/README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -32,6 +32,12 @@ Published plugins reference the SDK package and exclude its runtime assets so th

The repository template defaults `UseLocalPluginSdk=true` so solution builds work before the SDK is published; set `UseLocalPluginSdk=false` with a NuGet source that contains `SecRandom.PluginSdk` to exercise the release packaging path.

## Host integration APIs

`IExternalStudentDrawService` lets a transport plugin request a host-managed student draw
without depending on desktop application's internal service types. The host owns drawing,
temporary records, history, security, and notifications; the plugin owns its transport.

## Building a plugin package

Set `<CreateSrpx>true</CreateSrpx>` to produce `srpx/<ProjectName>.srpx` after every build. The package is a ZIP whose root contains `manifest.yml`, the entrance assembly, and any external package dependencies. Place it in `data/cache/plugin-packages` and restart the desktop application to install.

5 changes: 1 addition & 4 deletions
SecRandom/App.axaml.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -59,7 +59,6 @@
using SecRandom.Services.Music;
using SecRandom.Services.Settings;
using SecRandom.Services.Security;
using SecRandom.Services.SecAgent;
using SecRandom.Services.Telemetry;
using SecRandom.Services.Verification;
using SecRandom.Services.Voice;
Expand DownExpand Up@@ -844,9 +843,7 @@ private void BuildHost(IPlatformServiceRoot platform)
 services.AddSingleton<IVoiceAnnouncementService>(serviceProvider =>
 serviceProvider.GetRequiredService<VoiceAnnouncementService>());
 services.AddSingleton<NotificationService>();
 // Local-only REST endpoint for the SecAgent connector. It intentionally has no UI/settings registration.
 services.AddHostedService<SecAgentHttpHostedService>();
 services.AddHostedService<SecAgentPluginBootstrapHostedService>();
 services.AddSingleton<IExternalStudentDrawService, ExternalStudentDrawService>();
 services.AddSingleton(serviceProvider => new MusicLibraryService(
 serviceProvider.GetRequiredService<MainConfigHandler>(),
 serviceProvider.GetRequiredService<ILogger<MusicLibraryService>>(),
Expand Down

148 changes: 148 additions & 0 deletions
SecRandom/Services/Draw/ExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,148 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Core.Abstraction.Services;
using SecRandom.Core.Enums;
using SecRandom.Core.Enums.Configs;
using SecRandom.Core.Models.Draw;
using SecRandom.Core.Services.Config;
using SecRandom.Core.Services.Draw;
using SecRandom.PluginSdk;
using SecRandom.Services.Linkage;
using SecRandom.Services.Notification;
using SecRandom.Shared.Extensions;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.Services.Draw;

/// <summary>
/// Implements the host-neutral external student draw boundary.
/// Transport-specific integrations, such as the SecAgent plugin, call this service.
/// </summary>
public sealed class ExternalStudentDrawService(
 IProfileService profileService,
 MainConfigHandler configHandler,
 IDrawTemporaryRecordService temporaryRecordService,
 DrawEngine drawEngine,
 LinkageDrawCoordinator linkageDrawCoordinator,
 NotificationService notificationService) : IExternalStudentDrawService
{
 public async Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default)
 {
 if (request.Mode is not ("flash" or "result_only"))
 throw new ArgumentException("mode must be flash or result_only.", nameof(request));

 var requestedCount = Math.Clamp(request.Count, 1, 100);
 if (request.Mode == "flash")
 requestedCount = 1;

 var gender = request.Gender?.Trim() ?? string.Empty;
 var listName = profileService.CurrentStudentList?.Name ?? string.Empty;
 var temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 var hasMatchingStudents = (profileService.CurrentStudentList?.Students ?? [])
 .Any(student => student.IsCandidate && Matches(student, gender, request));
 var mayResetExhaustedRound = configHandler.Data.QuickDrawSettings.DrawMode != DrawMode.Repeat
 && hasMatchingStudents;

 var result = await InvokeAuthorizedAsync(
 SecurityOperation.QuickDrawStart,
 async () =>
 {
 DrawResult<Student> DrawFromRemainingStudents()
 => drawEngine.DrawStudent(
 requestedCount,
 student => Matches(student, gender, request)
 && !HasReachedTemporaryLimit(student, temporaryCounts),
 DrawSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName());

 var draw = DrawFromRemainingStudents();
 if (!draw.IsSuccess
 && mayResetExhaustedRound
 && draw.Status == DrawStatus.RepeatLimitExhausted)
 {
 profileService.ClearCurrentStudentHistory();
 temporaryRecordService.ResetStudentList(listName);
 temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 draw = DrawFromRemainingStudents();
 }

 if (!draw.IsSuccess || draw.Result.Count == 0)
 return draw;

 profileService.RecordStudentHistory(
 draw.Result,
 DateTime.Now,
 requestedCount,
 drawMethod: (int)configHandler.Data.QuickDrawSettings.DrawType,
 courseName: linkageDrawCoordinator.GetCourseName());
 temporaryRecordService.RecordStudents(listName, gender, string.Empty, draw.Result);
 if (request.Mode == "flash")
 notificationService.QueueStudents(
 NotificationSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName(),
 draw.Result);
 return draw;
 },
 cancellationToken).ConfigureAwait(false);

 return new ExternalStudentDrawResult(
 request.Mode,
 result.Status.ToString(),
 listName,
 result.Result);
 }

 private async Task<DrawResult<Student>> InvokeAuthorizedAsync(
 SecurityOperation operation,
 Func<Task<DrawResult<Student>>> action,
 CancellationToken cancellationToken)
 {
 DrawResult<Student>? result = null;
 var authorized = await linkageDrawCoordinator.AuthorizeAsync(
 operation,
 async () => result = await action().ConfigureAwait(false),
 cancellationToken).ConfigureAwait(false);
 return authorized && result is not null
 ? result
 : new DrawResult<Student> { Status = DrawStatus.Failure };
 }

 private bool HasReachedTemporaryLimit(
 Student student,
 IReadOnlyDictionary<string, int> temporaryCounts)
 {
 var settings = configHandler.Data.QuickDrawSettings;
 var threshold = settings.DrawMode switch
 {
 DrawMode.Repeat => 0,
 DrawMode.NoRepeat => 1,
 DrawMode.HalfRepeat => Math.Max(1, settings.HalfRepeat),
 _ => 1
 };
 return threshold > 0
 && temporaryCounts.GetValueOrDefault(ProfileRecordIdentity.EnsureRecordId(student)) >= threshold;
 }

 private static bool Matches(
 Student student,
 string gender,
 ExternalStudentDrawRequest request)
 {
 var tags = student.Tags.Split(
 [',', ';', ' '],
 StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
 return (string.IsNullOrWhiteSpace(gender)
 || string.Equals(student.Gender, gender, StringComparison.OrdinalIgnoreCase))
 && request.IncludeTags.All(tag => tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && request.ExcludeTags.All(tag => !tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeIds.Count == 0
 || request.IncludeIds.Contains(student.Id, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeNames.Count == 0
 || request.IncludeNames.Contains(student.Name, StringComparer.OrdinalIgnoreCase));
 }
}
Loading
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '
refactor: extract SecAgent support into native plugin by PANDAJSR · Pull Request #266 · SECTL/SecRandom · GitHub
Skip to content
refactor: extract SecAgent support into native plugin#266

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refactor: extract SecAgent support into native plugin
#266
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f0b75dc

refactor: extract SecAgent support into plugin boundary


PANDAJSR Aug 17, 2026
53a927b

fix: reset exhausted external draw rounds


PANDAJSR Aug 17, 2026
8ae4b81

fix: reset student history with draw rounds


PANDAJSR Aug 17, 2026

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34 changes: 34 additions & 0 deletions
SecRandom.PluginSdk/IExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.PluginSdk;

/// <summary>
/// Host-neutral student draw boundary for plugins and other external integrations.
/// The transport and authentication policy belong to the integration that consumes it.
/// </summary>
public sealed record ExternalStudentDrawRequest
{
 public string Mode { get; init; } = "result_only";
 public int Count { get; init; } = 1;
 public string Gender { get; init; } = string.Empty;
 public IReadOnlyList<string> IncludeTags { get; init; } = [];
 public IReadOnlyList<string> ExcludeTags { get; init; } = [];
 public IReadOnlyList<string> IncludeIds { get; init; } = [];
 public IReadOnlyList<string> IncludeNames { get; init; } = [];
}

public sealed record ExternalStudentDrawResult(
 string Mode,
 string Status,
 string Profile,
 IReadOnlyList<Student> Students);

public interface IExternalStudentDrawService
{
 Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default);
}

6 changes: 6 additions & 0 deletions
SecRandom.PluginSdk/README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -32,6 +32,12 @@ Published plugins reference the SDK package and exclude its runtime assets so th

The repository template defaults `UseLocalPluginSdk=true` so solution builds work before the SDK is published; set `UseLocalPluginSdk=false` with a NuGet source that contains `SecRandom.PluginSdk` to exercise the release packaging path.

## Host integration APIs

`IExternalStudentDrawService` lets a transport plugin request a host-managed student draw
without depending on desktop application's internal service types. The host owns drawing,
temporary records, history, security, and notifications; the plugin owns its transport.

## Building a plugin package

Set `<CreateSrpx>true</CreateSrpx>` to produce `srpx/<ProjectName>.srpx` after every build. The package is a ZIP whose root contains `manifest.yml`, the entrance assembly, and any external package dependencies. Place it in `data/cache/plugin-packages` and restart the desktop application to install.

5 changes: 1 addition & 4 deletions
SecRandom/App.axaml.cs

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -59,7 +59,6 @@
using SecRandom.Services.Music;
using SecRandom.Services.Settings;
using SecRandom.Services.Security;
using SecRandom.Services.SecAgent;
using SecRandom.Services.Telemetry;
using SecRandom.Services.Verification;
using SecRandom.Services.Voice;
Expand DownExpand Up@@ -844,9 +843,7 @@ private void BuildHost(IPlatformServiceRoot platform)
 services.AddSingleton<IVoiceAnnouncementService>(serviceProvider =>
 serviceProvider.GetRequiredService<VoiceAnnouncementService>());
 services.AddSingleton<NotificationService>();
 // Local-only REST endpoint for the SecAgent connector. It intentionally has no UI/settings registration.
 services.AddHostedService<SecAgentHttpHostedService>();
 services.AddHostedService<SecAgentPluginBootstrapHostedService>();
 services.AddSingleton<IExternalStudentDrawService, ExternalStudentDrawService>();
 services.AddSingleton(serviceProvider => new MusicLibraryService(
 serviceProvider.GetRequiredService<MainConfigHandler>(),
 serviceProvider.GetRequiredService<ILogger<MusicLibraryService>>(),
Expand Down

148 changes: 148 additions & 0 deletions
SecRandom/Services/Draw/ExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,148 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Core.Abstraction.Services;
using SecRandom.Core.Enums;
using SecRandom.Core.Enums.Configs;
using SecRandom.Core.Models.Draw;
using SecRandom.Core.Services.Config;
using SecRandom.Core.Services.Draw;
using SecRandom.PluginSdk;
using SecRandom.Services.Linkage;
using SecRandom.Services.Notification;
using SecRandom.Shared.Extensions;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.Services.Draw;

/// <summary>
/// Implements the host-neutral external student draw boundary.
/// Transport-specific integrations, such as the SecAgent plugin, call this service.
/// </summary>
public sealed class ExternalStudentDrawService(
 IProfileService profileService,
 MainConfigHandler configHandler,
 IDrawTemporaryRecordService temporaryRecordService,
 DrawEngine drawEngine,
 LinkageDrawCoordinator linkageDrawCoordinator,
 NotificationService notificationService) : IExternalStudentDrawService
{
 public async Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default)
 {
 if (request.Mode is not ("flash" or "result_only"))
 throw new ArgumentException("mode must be flash or result_only.", nameof(request));

 var requestedCount = Math.Clamp(request.Count, 1, 100);
 if (request.Mode == "flash")
 requestedCount = 1;

 var gender = request.Gender?.Trim() ?? string.Empty;
 var listName = profileService.CurrentStudentList?.Name ?? string.Empty;
 var temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 var hasMatchingStudents = (profileService.CurrentStudentList?.Students ?? [])
 .Any(student => student.IsCandidate && Matches(student, gender, request));
 var mayResetExhaustedRound = configHandler.Data.QuickDrawSettings.DrawMode != DrawMode.Repeat
 && hasMatchingStudents;

 var result = await InvokeAuthorizedAsync(
 SecurityOperation.QuickDrawStart,
 async () =>
 {
 DrawResult<Student> DrawFromRemainingStudents()
 => drawEngine.DrawStudent(
 requestedCount,
 student => Matches(student, gender, request)
 && !HasReachedTemporaryLimit(student, temporaryCounts),
 DrawSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName());

 var draw = DrawFromRemainingStudents();
 if (!draw.IsSuccess
 && mayResetExhaustedRound
 && draw.Status == DrawStatus.RepeatLimitExhausted)
 {
 profileService.ClearCurrentStudentHistory();
 temporaryRecordService.ResetStudentList(listName);
 temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 draw = DrawFromRemainingStudents();
 }

 if (!draw.IsSuccess || draw.Result.Count == 0)
 return draw;

 profileService.RecordStudentHistory(
 draw.Result,
 DateTime.Now,
 requestedCount,
 drawMethod: (int)configHandler.Data.QuickDrawSettings.DrawType,
 courseName: linkageDrawCoordinator.GetCourseName());
 temporaryRecordService.RecordStudents(listName, gender, string.Empty, draw.Result);
 if (request.Mode == "flash")
 notificationService.QueueStudents(
 NotificationSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName(),
 draw.Result);
 return draw;
 },
 cancellationToken).ConfigureAwait(false);

 return new ExternalStudentDrawResult(
 request.Mode,
 result.Status.ToString(),
 listName,
 result.Result);
 }

 private async Task<DrawResult<Student>> InvokeAuthorizedAsync(
 SecurityOperation operation,
 Func<Task<DrawResult<Student>>> action,
 CancellationToken cancellationToken)
 {
 DrawResult<Student>? result = null;
 var authorized = await linkageDrawCoordinator.AuthorizeAsync(
 operation,
 async () => result = await action().ConfigureAwait(false),
 cancellationToken).ConfigureAwait(false);
 return authorized && result is not null
 ? result
 : new DrawResult<Student> { Status = DrawStatus.Failure };
 }

 private bool HasReachedTemporaryLimit(
 Student student,
 IReadOnlyDictionary<string, int> temporaryCounts)
 {
 var settings = configHandler.Data.QuickDrawSettings;
 var threshold = settings.DrawMode switch
 {
 DrawMode.Repeat => 0,
 DrawMode.NoRepeat => 1,
 DrawMode.HalfRepeat => Math.Max(1, settings.HalfRepeat),
 _ => 1
 };
 return threshold > 0
 && temporaryCounts.GetValueOrDefault(ProfileRecordIdentity.EnsureRecordId(student)) >= threshold;
 }

 private static bool Matches(
 Student student,
 string gender,
 ExternalStudentDrawRequest request)
 {
 var tags = student.Tags.Split(
 [',', ';', ' '],
 StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
 return (string.IsNullOrWhiteSpace(gender)
 || string.Equals(student.Gender, gender, StringComparison.OrdinalIgnoreCase))
 && request.IncludeTags.All(tag => tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && request.ExcludeTags.All(tag => !tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeIds.Count == 0
 || request.IncludeIds.Contains(student.Id, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeNames.Count == 0
 || request.IncludeNames.Contains(student.Name, StringComparer.OrdinalIgnoreCase));
 }
}
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(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
refactor: extract SecAgent support into native plugin by PANDAJSR · Pull Request #266 · SECTL/SecRandom · GitHub
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refactor: extract SecAgent support into plugin boundary


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fix: reset exhausted external draw rounds


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8ae4b81

fix: reset student history with draw rounds


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34 changes: 34 additions & 0 deletions
SecRandom.PluginSdk/IExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.PluginSdk;

/// <summary>
/// Host-neutral student draw boundary for plugins and other external integrations.
/// The transport and authentication policy belong to the integration that consumes it.
/// </summary>
public sealed record ExternalStudentDrawRequest
{
 public string Mode { get; init; } = "result_only";
 public int Count { get; init; } = 1;
 public string Gender { get; init; } = string.Empty;
 public IReadOnlyList<string> IncludeTags { get; init; } = [];
 public IReadOnlyList<string> ExcludeTags { get; init; } = [];
 public IReadOnlyList<string> IncludeIds { get; init; } = [];
 public IReadOnlyList<string> IncludeNames { get; init; } = [];
}

public sealed record ExternalStudentDrawResult(
 string Mode,
 string Status,
 string Profile,
 IReadOnlyList<Student> Students);

public interface IExternalStudentDrawService
{
 Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default);
}

6 changes: 6 additions & 0 deletions
SecRandom.PluginSdk/README.md

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Original file line numberDiff line numberDiff line change
Expand Up@@ -32,6 +32,12 @@ Published plugins reference the SDK package and exclude its runtime assets so th

The repository template defaults `UseLocalPluginSdk=true` so solution builds work before the SDK is published; set `UseLocalPluginSdk=false` with a NuGet source that contains `SecRandom.PluginSdk` to exercise the release packaging path.

## Host integration APIs

`IExternalStudentDrawService` lets a transport plugin request a host-managed student draw
without depending on desktop application's internal service types. The host owns drawing,
temporary records, history, security, and notifications; the plugin owns its transport.

## Building a plugin package

Set `<CreateSrpx>true</CreateSrpx>` to produce `srpx/<ProjectName>.srpx` after every build. The package is a ZIP whose root contains `manifest.yml`, the entrance assembly, and any external package dependencies. Place it in `data/cache/plugin-packages` and restart the desktop application to install.

5 changes: 1 addition & 4 deletions
SecRandom/App.axaml.cs

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Original file line numberDiff line numberDiff line change
Expand Up@@ -59,7 +59,6 @@
using SecRandom.Services.Music;
using SecRandom.Services.Settings;
using SecRandom.Services.Security;
using SecRandom.Services.SecAgent;
using SecRandom.Services.Telemetry;
using SecRandom.Services.Verification;
using SecRandom.Services.Voice;
Expand DownExpand Up@@ -844,9 +843,7 @@ private void BuildHost(IPlatformServiceRoot platform)
 services.AddSingleton<IVoiceAnnouncementService>(serviceProvider =>
 serviceProvider.GetRequiredService<VoiceAnnouncementService>());
 services.AddSingleton<NotificationService>();
 // Local-only REST endpoint for the SecAgent connector. It intentionally has no UI/settings registration.
 services.AddHostedService<SecAgentHttpHostedService>();
 services.AddHostedService<SecAgentPluginBootstrapHostedService>();
 services.AddSingleton<IExternalStudentDrawService, ExternalStudentDrawService>();
 services.AddSingleton(serviceProvider => new MusicLibraryService(
 serviceProvider.GetRequiredService<MainConfigHandler>(),
 serviceProvider.GetRequiredService<ILogger<MusicLibraryService>>(),
Expand Down

148 changes: 148 additions & 0 deletions
SecRandom/Services/Draw/ExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,148 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Core.Abstraction.Services;
using SecRandom.Core.Enums;
using SecRandom.Core.Enums.Configs;
using SecRandom.Core.Models.Draw;
using SecRandom.Core.Services.Config;
using SecRandom.Core.Services.Draw;
using SecRandom.PluginSdk;
using SecRandom.Services.Linkage;
using SecRandom.Services.Notification;
using SecRandom.Shared.Extensions;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.Services.Draw;

/// <summary>
/// Implements the host-neutral external student draw boundary.
/// Transport-specific integrations, such as the SecAgent plugin, call this service.
/// </summary>
public sealed class ExternalStudentDrawService(
 IProfileService profileService,
 MainConfigHandler configHandler,
 IDrawTemporaryRecordService temporaryRecordService,
 DrawEngine drawEngine,
 LinkageDrawCoordinator linkageDrawCoordinator,
 NotificationService notificationService) : IExternalStudentDrawService
{
 public async Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default)
 {
 if (request.Mode is not ("flash" or "result_only"))
 throw new ArgumentException("mode must be flash or result_only.", nameof(request));

 var requestedCount = Math.Clamp(request.Count, 1, 100);
 if (request.Mode == "flash")
 requestedCount = 1;

 var gender = request.Gender?.Trim() ?? string.Empty;
 var listName = profileService.CurrentStudentList?.Name ?? string.Empty;
 var temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 var hasMatchingStudents = (profileService.CurrentStudentList?.Students ?? [])
 .Any(student => student.IsCandidate && Matches(student, gender, request));
 var mayResetExhaustedRound = configHandler.Data.QuickDrawSettings.DrawMode != DrawMode.Repeat
 && hasMatchingStudents;

 var result = await InvokeAuthorizedAsync(
 SecurityOperation.QuickDrawStart,
 async () =>
 {
 DrawResult<Student> DrawFromRemainingStudents()
 => drawEngine.DrawStudent(
 requestedCount,
 student => Matches(student, gender, request)
 && !HasReachedTemporaryLimit(student, temporaryCounts),
 DrawSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName());

 var draw = DrawFromRemainingStudents();
 if (!draw.IsSuccess
 && mayResetExhaustedRound
 && draw.Status == DrawStatus.RepeatLimitExhausted)
 {
 profileService.ClearCurrentStudentHistory();
 temporaryRecordService.ResetStudentList(listName);
 temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 draw = DrawFromRemainingStudents();
 }

 if (!draw.IsSuccess || draw.Result.Count == 0)
 return draw;

 profileService.RecordStudentHistory(
 draw.Result,
 DateTime.Now,
 requestedCount,
 drawMethod: (int)configHandler.Data.QuickDrawSettings.DrawType,
 courseName: linkageDrawCoordinator.GetCourseName());
 temporaryRecordService.RecordStudents(listName, gender, string.Empty, draw.Result);
 if (request.Mode == "flash")
 notificationService.QueueStudents(
 NotificationSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName(),
 draw.Result);
 return draw;
 },
 cancellationToken).ConfigureAwait(false);

 return new ExternalStudentDrawResult(
 request.Mode,
 result.Status.ToString(),
 listName,
 result.Result);
 }

 private async Task<DrawResult<Student>> InvokeAuthorizedAsync(
 SecurityOperation operation,
 Func<Task<DrawResult<Student>>> action,
 CancellationToken cancellationToken)
 {
 DrawResult<Student>? result = null;
 var authorized = await linkageDrawCoordinator.AuthorizeAsync(
 operation,
 async () => result = await action().ConfigureAwait(false),
 cancellationToken).ConfigureAwait(false);
 return authorized && result is not null
 ? result
 : new DrawResult<Student> { Status = DrawStatus.Failure };
 }

 private bool HasReachedTemporaryLimit(
 Student student,
 IReadOnlyDictionary<string, int> temporaryCounts)
 {
 var settings = configHandler.Data.QuickDrawSettings;
 var threshold = settings.DrawMode switch
 {
 DrawMode.Repeat => 0,
 DrawMode.NoRepeat => 1,
 DrawMode.HalfRepeat => Math.Max(1, settings.HalfRepeat),
 _ => 1
 };
 return threshold > 0
 && temporaryCounts.GetValueOrDefault(ProfileRecordIdentity.EnsureRecordId(student)) >= threshold;
 }

 private static bool Matches(
 Student student,
 string gender,
 ExternalStudentDrawRequest request)
 {
 var tags = student.Tags.Split(
 [',', ';', ' '],
 StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
 return (string.IsNullOrWhiteSpace(gender)
 || string.Equals(student.Gender, gender, StringComparison.OrdinalIgnoreCase))
 && request.IncludeTags.All(tag => tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && request.ExcludeTags.All(tag => !tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeIds.Count == 0
 || request.IncludeIds.Contains(student.Id, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeNames.Count == 0
 || request.IncludeNames.Contains(student.Name, StringComparer.OrdinalIgnoreCase));
 }
}
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, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '
refactor: extract SecAgent support into native plugin by PANDAJSR · Pull Request #266 · SECTL/SecRandom · GitHub
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refactor: extract SecAgent support into native plugin#266

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refactor: extract SecAgent support into plugin boundary


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53a927b

fix: reset exhausted external draw rounds


PANDAJSR Aug 17, 2026
8ae4b81

fix: reset student history with draw rounds


PANDAJSR Aug 17, 2026

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34 changes: 34 additions & 0 deletions
SecRandom.PluginSdk/IExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.PluginSdk;

/// <summary>
/// Host-neutral student draw boundary for plugins and other external integrations.
/// The transport and authentication policy belong to the integration that consumes it.
/// </summary>
public sealed record ExternalStudentDrawRequest
{
 public string Mode { get; init; } = "result_only";
 public int Count { get; init; } = 1;
 public string Gender { get; init; } = string.Empty;
 public IReadOnlyList<string> IncludeTags { get; init; } = [];
 public IReadOnlyList<string> ExcludeTags { get; init; } = [];
 public IReadOnlyList<string> IncludeIds { get; init; } = [];
 public IReadOnlyList<string> IncludeNames { get; init; } = [];
}

public sealed record ExternalStudentDrawResult(
 string Mode,
 string Status,
 string Profile,
 IReadOnlyList<Student> Students);

public interface IExternalStudentDrawService
{
 Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default);
}

6 changes: 6 additions & 0 deletions
SecRandom.PluginSdk/README.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -32,6 +32,12 @@ Published plugins reference the SDK package and exclude its runtime assets so th

The repository template defaults `UseLocalPluginSdk=true` so solution builds work before the SDK is published; set `UseLocalPluginSdk=false` with a NuGet source that contains `SecRandom.PluginSdk` to exercise the release packaging path.

## Host integration APIs

`IExternalStudentDrawService` lets a transport plugin request a host-managed student draw
without depending on desktop application's internal service types. The host owns drawing,
temporary records, history, security, and notifications; the plugin owns its transport.

## Building a plugin package

Set `<CreateSrpx>true</CreateSrpx>` to produce `srpx/<ProjectName>.srpx` after every build. The package is a ZIP whose root contains `manifest.yml`, the entrance assembly, and any external package dependencies. Place it in `data/cache/plugin-packages` and restart the desktop application to install.

5 changes: 1 addition & 4 deletions
SecRandom/App.axaml.cs

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -59,7 +59,6 @@
using SecRandom.Services.Music;
using SecRandom.Services.Settings;
using SecRandom.Services.Security;
using SecRandom.Services.SecAgent;
using SecRandom.Services.Telemetry;
using SecRandom.Services.Verification;
using SecRandom.Services.Voice;
Expand DownExpand Up@@ -844,9 +843,7 @@ private void BuildHost(IPlatformServiceRoot platform)
 services.AddSingleton<IVoiceAnnouncementService>(serviceProvider =>
 serviceProvider.GetRequiredService<VoiceAnnouncementService>());
 services.AddSingleton<NotificationService>();
 // Local-only REST endpoint for the SecAgent connector. It intentionally has no UI/settings registration.
 services.AddHostedService<SecAgentHttpHostedService>();
 services.AddHostedService<SecAgentPluginBootstrapHostedService>();
 services.AddSingleton<IExternalStudentDrawService, ExternalStudentDrawService>();
 services.AddSingleton(serviceProvider => new MusicLibraryService(
 serviceProvider.GetRequiredService<MainConfigHandler>(),
 serviceProvider.GetRequiredService<ILogger<MusicLibraryService>>(),
Expand Down

148 changes: 148 additions & 0 deletions
SecRandom/Services/Draw/ExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,148 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Core.Abstraction.Services;
using SecRandom.Core.Enums;
using SecRandom.Core.Enums.Configs;
using SecRandom.Core.Models.Draw;
using SecRandom.Core.Services.Config;
using SecRandom.Core.Services.Draw;
using SecRandom.PluginSdk;
using SecRandom.Services.Linkage;
using SecRandom.Services.Notification;
using SecRandom.Shared.Extensions;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.Services.Draw;

/// <summary>
/// Implements the host-neutral external student draw boundary.
/// Transport-specific integrations, such as the SecAgent plugin, call this service.
/// </summary>
public sealed class ExternalStudentDrawService(
 IProfileService profileService,
 MainConfigHandler configHandler,
 IDrawTemporaryRecordService temporaryRecordService,
 DrawEngine drawEngine,
 LinkageDrawCoordinator linkageDrawCoordinator,
 NotificationService notificationService) : IExternalStudentDrawService
{
 public async Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default)
 {
 if (request.Mode is not ("flash" or "result_only"))
 throw new ArgumentException("mode must be flash or result_only.", nameof(request));

 var requestedCount = Math.Clamp(request.Count, 1, 100);
 if (request.Mode == "flash")
 requestedCount = 1;

 var gender = request.Gender?.Trim() ?? string.Empty;
 var listName = profileService.CurrentStudentList?.Name ?? string.Empty;
 var temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 var hasMatchingStudents = (profileService.CurrentStudentList?.Students ?? [])
 .Any(student => student.IsCandidate && Matches(student, gender, request));
 var mayResetExhaustedRound = configHandler.Data.QuickDrawSettings.DrawMode != DrawMode.Repeat
 && hasMatchingStudents;

 var result = await InvokeAuthorizedAsync(
 SecurityOperation.QuickDrawStart,
 async () =>
 {
 DrawResult<Student> DrawFromRemainingStudents()
 => drawEngine.DrawStudent(
 requestedCount,
 student => Matches(student, gender, request)
 && !HasReachedTemporaryLimit(student, temporaryCounts),
 DrawSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName());

 var draw = DrawFromRemainingStudents();
 if (!draw.IsSuccess
 && mayResetExhaustedRound
 && draw.Status == DrawStatus.RepeatLimitExhausted)
 {
 profileService.ClearCurrentStudentHistory();
 temporaryRecordService.ResetStudentList(listName);
 temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 draw = DrawFromRemainingStudents();
 }

 if (!draw.IsSuccess || draw.Result.Count == 0)
 return draw;

 profileService.RecordStudentHistory(
 draw.Result,
 DateTime.Now,
 requestedCount,
 drawMethod: (int)configHandler.Data.QuickDrawSettings.DrawType,
 courseName: linkageDrawCoordinator.GetCourseName());
 temporaryRecordService.RecordStudents(listName, gender, string.Empty, draw.Result);
 if (request.Mode == "flash")
 notificationService.QueueStudents(
 NotificationSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName(),
 draw.Result);
 return draw;
 },
 cancellationToken).ConfigureAwait(false);

 return new ExternalStudentDrawResult(
 request.Mode,
 result.Status.ToString(),
 listName,
 result.Result);
 }

 private async Task<DrawResult<Student>> InvokeAuthorizedAsync(
 SecurityOperation operation,
 Func<Task<DrawResult<Student>>> action,
 CancellationToken cancellationToken)
 {
 DrawResult<Student>? result = null;
 var authorized = await linkageDrawCoordinator.AuthorizeAsync(
 operation,
 async () => result = await action().ConfigureAwait(false),
 cancellationToken).ConfigureAwait(false);
 return authorized && result is not null
 ? result
 : new DrawResult<Student> { Status = DrawStatus.Failure };
 }

 private bool HasReachedTemporaryLimit(
 Student student,
 IReadOnlyDictionary<string, int> temporaryCounts)
 {
 var settings = configHandler.Data.QuickDrawSettings;
 var threshold = settings.DrawMode switch
 {
 DrawMode.Repeat => 0,
 DrawMode.NoRepeat => 1,
 DrawMode.HalfRepeat => Math.Max(1, settings.HalfRepeat),
 _ => 1
 };
 return threshold > 0
 && temporaryCounts.GetValueOrDefault(ProfileRecordIdentity.EnsureRecordId(student)) >= threshold;
 }

 private static bool Matches(
 Student student,
 string gender,
 ExternalStudentDrawRequest request)
 {
 var tags = student.Tags.Split(
 [',', ';', ' '],
 StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
 return (string.IsNullOrWhiteSpace(gender)
 || string.Equals(student.Gender, gender, StringComparison.OrdinalIgnoreCase))
 && request.IncludeTags.All(tag => tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && request.ExcludeTags.All(tag => !tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeIds.Count == 0
 || request.IncludeIds.Contains(student.Id, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeNames.Count == 0
 || request.IncludeNames.Contains(student.Name, StringComparer.OrdinalIgnoreCase));
 }
}
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();
refactor: extract SecAgent support into native plugin by PANDAJSR · Pull Request #266 · SECTL/SecRandom · GitHub
Skip to content
refactor: extract SecAgent support into native plugin#266

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refactor: extract SecAgent support into native plugin
#266
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f0b75dc

refactor: extract SecAgent support into plugin boundary


PANDAJSR Aug 17, 2026
53a927b

fix: reset exhausted external draw rounds


PANDAJSR Aug 17, 2026
8ae4b81

fix: reset student history with draw rounds


PANDAJSR Aug 17, 2026

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34 changes: 34 additions & 0 deletions
SecRandom.PluginSdk/IExternalStudentDrawService.cs

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,34 @@
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.PluginSdk;

/// <summary>
/// Host-neutral student draw boundary for plugins and other external integrations.
/// The transport and authentication policy belong to the integration that consumes it.
/// </summary>
public sealed record ExternalStudentDrawRequest
{
 public string Mode { get; init; } = "result_only";
 public int Count { get; init; } = 1;
 public string Gender { get; init; } = string.Empty;
 public IReadOnlyList<string> IncludeTags { get; init; } = [];
 public IReadOnlyList<string> ExcludeTags { get; init; } = [];
 public IReadOnlyList<string> IncludeIds { get; init; } = [];
 public IReadOnlyList<string> IncludeNames { get; init; } = [];
}

public sealed record ExternalStudentDrawResult(
 string Mode,
 string Status,
 string Profile,
 IReadOnlyList<Student> Students);

public interface IExternalStudentDrawService
{
 Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default);
}

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SecRandom.PluginSdk/README.md

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Expand Up@@ -32,6 +32,12 @@ Published plugins reference the SDK package and exclude its runtime assets so th

The repository template defaults `UseLocalPluginSdk=true` so solution builds work before the SDK is published; set `UseLocalPluginSdk=false` with a NuGet source that contains `SecRandom.PluginSdk` to exercise the release packaging path.

## Host integration APIs

`IExternalStudentDrawService` lets a transport plugin request a host-managed student draw
without depending on desktop application's internal service types. The host owns drawing,
temporary records, history, security, and notifications; the plugin owns its transport.

## Building a plugin package

Set `<CreateSrpx>true</CreateSrpx>` to produce `srpx/<ProjectName>.srpx` after every build. The package is a ZIP whose root contains `manifest.yml`, the entrance assembly, and any external package dependencies. Place it in `data/cache/plugin-packages` and restart the desktop application to install.

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SecRandom/App.axaml.cs

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Expand Up@@ -59,7 +59,6 @@
using SecRandom.Services.Music;
using SecRandom.Services.Settings;
using SecRandom.Services.Security;
using SecRandom.Services.SecAgent;
using SecRandom.Services.Telemetry;
using SecRandom.Services.Verification;
using SecRandom.Services.Voice;
Expand DownExpand Up@@ -844,9 +843,7 @@ private void BuildHost(IPlatformServiceRoot platform)
 services.AddSingleton<IVoiceAnnouncementService>(serviceProvider =>
 serviceProvider.GetRequiredService<VoiceAnnouncementService>());
 services.AddSingleton<NotificationService>();
 // Local-only REST endpoint for the SecAgent connector. It intentionally has no UI/settings registration.
 services.AddHostedService<SecAgentHttpHostedService>();
 services.AddHostedService<SecAgentPluginBootstrapHostedService>();
 services.AddSingleton<IExternalStudentDrawService, ExternalStudentDrawService>();
 services.AddSingleton(serviceProvider => new MusicLibraryService(
 serviceProvider.GetRequiredService<MainConfigHandler>(),
 serviceProvider.GetRequiredService<ILogger<MusicLibraryService>>(),
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SecRandom/Services/Draw/ExternalStudentDrawService.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using SecRandom.Core.Abstraction.Services;
using SecRandom.Core.Enums;
using SecRandom.Core.Enums.Configs;
using SecRandom.Core.Models.Draw;
using SecRandom.Core.Services.Config;
using SecRandom.Core.Services.Draw;
using SecRandom.PluginSdk;
using SecRandom.Services.Linkage;
using SecRandom.Services.Notification;
using SecRandom.Shared.Extensions;
using SecRandom.Shared.Models.Profile;

namespace SecRandom.Services.Draw;

/// <summary>
/// Implements the host-neutral external student draw boundary.
/// Transport-specific integrations, such as the SecAgent plugin, call this service.
/// </summary>
public sealed class ExternalStudentDrawService(
 IProfileService profileService,
 MainConfigHandler configHandler,
 IDrawTemporaryRecordService temporaryRecordService,
 DrawEngine drawEngine,
 LinkageDrawCoordinator linkageDrawCoordinator,
 NotificationService notificationService) : IExternalStudentDrawService
{
 public async Task<ExternalStudentDrawResult> DrawAsync(
 ExternalStudentDrawRequest request,
 CancellationToken cancellationToken = default)
 {
 if (request.Mode is not ("flash" or "result_only"))
 throw new ArgumentException("mode must be flash or result_only.", nameof(request));

 var requestedCount = Math.Clamp(request.Count, 1, 100);
 if (request.Mode == "flash")
 requestedCount = 1;

 var gender = request.Gender?.Trim() ?? string.Empty;
 var listName = profileService.CurrentStudentList?.Name ?? string.Empty;
 var temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 var hasMatchingStudents = (profileService.CurrentStudentList?.Students ?? [])
 .Any(student => student.IsCandidate && Matches(student, gender, request));
 var mayResetExhaustedRound = configHandler.Data.QuickDrawSettings.DrawMode != DrawMode.Repeat
 && hasMatchingStudents;

 var result = await InvokeAuthorizedAsync(
 SecurityOperation.QuickDrawStart,
 async () =>
 {
 DrawResult<Student> DrawFromRemainingStudents()
 => drawEngine.DrawStudent(
 requestedCount,
 student => Matches(student, gender, request)
 && !HasReachedTemporaryLimit(student, temporaryCounts),
 DrawSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName());

 var draw = DrawFromRemainingStudents();
 if (!draw.IsSuccess
 && mayResetExhaustedRound
 && draw.Status == DrawStatus.RepeatLimitExhausted)
 {
 profileService.ClearCurrentStudentHistory();
 temporaryRecordService.ResetStudentList(listName);
 temporaryCounts = temporaryRecordService.GetStudentCounts(listName, gender, string.Empty);
 draw = DrawFromRemainingStudents();
 }

 if (!draw.IsSuccess || draw.Result.Count == 0)
 return draw;

 profileService.RecordStudentHistory(
 draw.Result,
 DateTime.Now,
 requestedCount,
 drawMethod: (int)configHandler.Data.QuickDrawSettings.DrawType,
 courseName: linkageDrawCoordinator.GetCourseName());
 temporaryRecordService.RecordStudents(listName, gender, string.Empty, draw.Result);
 if (request.Mode == "flash")
 notificationService.QueueStudents(
 NotificationSettingsType.QuickDraw,
 linkageDrawCoordinator.GetCourseName(),
 draw.Result);
 return draw;
 },
 cancellationToken).ConfigureAwait(false);

 return new ExternalStudentDrawResult(
 request.Mode,
 result.Status.ToString(),
 listName,
 result.Result);
 }

 private async Task<DrawResult<Student>> InvokeAuthorizedAsync(
 SecurityOperation operation,
 Func<Task<DrawResult<Student>>> action,
 CancellationToken cancellationToken)
 {
 DrawResult<Student>? result = null;
 var authorized = await linkageDrawCoordinator.AuthorizeAsync(
 operation,
 async () => result = await action().ConfigureAwait(false),
 cancellationToken).ConfigureAwait(false);
 return authorized && result is not null
 ? result
 : new DrawResult<Student> { Status = DrawStatus.Failure };
 }

 private bool HasReachedTemporaryLimit(
 Student student,
 IReadOnlyDictionary<string, int> temporaryCounts)
 {
 var settings = configHandler.Data.QuickDrawSettings;
 var threshold = settings.DrawMode switch
 {
 DrawMode.Repeat => 0,
 DrawMode.NoRepeat => 1,
 DrawMode.HalfRepeat => Math.Max(1, settings.HalfRepeat),
 _ => 1
 };
 return threshold > 0
 && temporaryCounts.GetValueOrDefault(ProfileRecordIdentity.EnsureRecordId(student)) >= threshold;
 }

 private static bool Matches(
 Student student,
 string gender,
 ExternalStudentDrawRequest request)
 {
 var tags = student.Tags.Split(
 [',', ';', ' '],
 StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
 return (string.IsNullOrWhiteSpace(gender)
 || string.Equals(student.Gender, gender, StringComparison.OrdinalIgnoreCase))
 && request.IncludeTags.All(tag => tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && request.ExcludeTags.All(tag => !tags.Contains(tag, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeIds.Count == 0
 || request.IncludeIds.Contains(student.Id, StringComparer.OrdinalIgnoreCase))
 && (request.IncludeNames.Count == 0
 || request.IncludeNames.Contains(student.Name, StringComparer.OrdinalIgnoreCase));
 }
}
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