feat: Document completed tasks for KMS, Cryptography, and Plugin Libraries

- Added detailed task completion records for KMS interface implementation and CLI support for file-based keys.
- Documented security enhancements including Argon2id password hashing, audit event contracts, and rate limiting configurations.
- Included scoped service support and integration updates for the Plugin platform, ensuring proper DI handling and testing coverage.

src/Concelier/StellaOps.Concelier.WebService/Program.cs

@@ -39,6 +39,7 @@ using StellaOps.Auth.Abstractions;
 using StellaOps.Auth.Client;
 using StellaOps.Auth.ServerIntegration;
 using StellaOps.Aoc;
+using StellaOps.Aoc.AspNetCore.Results;
 using StellaOps.Concelier.WebService.Contracts;
 using StellaOps.Concelier.Core.Aoc;
 using StellaOps.Concelier.Core.Raw;
@@ -869,39 +870,9 @@ static DateTimeOffset? ParseDateTime(string? value)
 
 IResult MapAocGuardException(HttpContext context, ConcelierAocGuardException exception)
 {
-    var violations = exception.Violations
-        .Select(v => new
-        {
-            code = v.ErrorCode,
-            path = v.Path,
-            message = v.Message
-        })
-        .ToArray();
-
-    var status = MapErrorCodeToStatus(exception.PrimaryErrorCode);
-    var extensions = new Dictionary<string, object?>(StringComparer.Ordinal)
-    {
-        ["code"] = exception.PrimaryErrorCode,
-        ["violations"] = violations
-    };
-
-    return Problem(
-        context,
-        "Aggregation-Only Contract violation",
-        status,
-        ProblemTypes.Validation,
-        $"AOC guard rejected the request with {exception.PrimaryErrorCode}.",
-        extensions);
+    var guardException = new AocGuardException(exception.Result);
+    return AocHttpResults.Problem(context, guardException);
 }
-
-static int MapErrorCodeToStatus(string errorCode) => errorCode switch
-{
-    "ERR_AOC_003" => StatusCodes.Status409Conflict,
-    "ERR_AOC_004" => StatusCodes.Status422UnprocessableEntity,
-    "ERR_AOC_005" => StatusCodes.Status422UnprocessableEntity,
-    "ERR_AOC_006" => StatusCodes.Status403Forbidden,
-    _ => StatusCodes.Status400BadRequest,
-};
 
 static KeyValuePair<string, object?>[] BuildJobMetricTags(string jobKind, string trigger, string outcome)
     => new[]