feature: Live Capture (Track B)

VigilCareRecordsAPI/Services/Interfaces/ILiveCaptureService.cs

@@ -0,0 +1,20 @@
+public interface ILiveCaptureService
+{
+    /// <summary>
+    /// Records observations against an existing VigilCareClinical encounter.
+    /// Validates clinician attestation, creates a live_capture batch, promotes
+    /// synchronously, and returns live observation IDs with any critical alerts.
+    /// </summary>
+    Task<LiveCaptureResponse> RecordObservationsAsync(
+        Guid encounterId,
+        RecordObservationsRequest request,
+        Guid clinicianUserId);
+
+    /// <summary>
+    /// Opens a new encounter in VigilCareClinical and records initial vitals
+    /// in a single atomic operation. Used for outpatient workflows.
+    /// </summary>
+    Task<LiveCaptureResponse> OpenEncounterWithVitalsAsync(
+        OpenEncounterWithVitalsRequest request,
+        Guid clinicianUserId);
+}