feature: Ward Gateway Service (Local-First Clinical Path)

VigilCare.WardGateway/Models/Records/Alert/AcknowledgeAlertRequest.cs

@@ -0,0 +1 @@
+public record AcknowledgeAlertRequest(string? Note);

VigilCare.WardGateway/Models/Records/Encounter/EncounterDetail.cs

@@ -0,0 +1,13 @@
+public record EncounterDetail(
+    Guid Id,
+    Guid PatientId,
+    string Mrn,
+    string FirstName,
+    string LastName,
+    Department Department,
+    EncounterStatus Status,
+    string? RoomBed,
+    string AttendingPhysician,
+    DateTimeOffset AdmittedAt,
+    IReadOnlyList<LocalObservation> RecentObservations,
+    IReadOnlyList<LocalClinicalAlert> OpenAlerts);

VigilCare.WardGateway/Models/Records/Encounter/WardEncounterSummary.cs

@@ -0,0 +1,13 @@
+public record WardEncounterSummary(
+    Guid EncounterId,
+    string Mrn,
+    string FirstName,
+    string LastName,
+    Department Department,
+    string? RoomBed,
+    string AttendingPhysician,
+    DateTimeOffset AdmittedAt,
+    int OpenAlertCount,
+    int? News2Score,
+    int? QsofaScore,
+    string? SepsisBundleStatus);

VigilCare.WardGateway/Models/Records/LocalIngestResult.cs

@@ -0,0 +1,7 @@
+public record LocalIngestResult(bool IsDuplicate, LocalObservation Observation, LocalClinicalAlert? Alert)
+{
+    public static LocalIngestResult Created(LocalObservation o, LocalClinicalAlert? a) =>
+        new(false, o, a);
+    public static LocalIngestResult Duplicate(LocalObservation o) =>
+        new(true, o, null);
+}

VigilCare.WardGateway/Models/Records/Observation/IngestObservationRequest.cs

@@ -0,0 +1,7 @@
+public record IngestObservationRequest(
+    string ObservationCode,
+    decimal Value,
+    string Unit,
+    ObservationSource Source,
+    DateTimeOffset RecordedAt,
+    string? IdempotencyKey);

VigilCare.WardGateway/Models/Records/Observation/ObservationCursor.cs

@@ -0,0 +1,25 @@
+using System.Text;
+using System.Text.Json;
+
+public record ObservationCursor(DateTimeOffset RecordedAt, Guid Id)
+{
+    public string Encode()
+    {
+        var json = JsonSerializer.Serialize(this);
+        return Convert.ToBase64String(Encoding.UTF8.GetBytes(json));
+    }
+
+    public static ObservationCursor? Decode(string? encoded)
+    {
+        if (string.IsNullOrEmpty(encoded)) return null;
+        try
+        {
+            var json = Encoding.UTF8.GetString(Convert.FromBase64String(encoded));
+            return JsonSerializer.Deserialize<ObservationCursor>(json);
+        }
+        catch
+        {
+            return null;
+        }
+    }
+}

VigilCare.WardGateway/Models/Records/ThresholdCacheEntry.cs

@@ -0,0 +1,6 @@
+public record ThresholdCacheEntry(
+    string ObservationCode,
+    decimal? CriticalLow,
+    decimal? WarningLow,
+    decimal? WarningHigh,
+    decimal? CriticalHigh);