Add delete endpoint

Author: dmashuda

internal/dev_server/api/api.yaml

@@ -216,6 +216,22 @@ paths:
                 $ref: "#/components/schemas/DebugSessionsPage"
         400:
           $ref: "#/components/responses/ErrorResponse"
+  /dev/debug-sessions/{debugSessionKey}:
+    delete:
+      operationId: deleteDebugSession
+      summary: delete a specific debug session and all its events
+      parameters:
+        - name: debugSessionKey
+          in: path
+          required: true
+          schema:
+            type: string
+          description: unique identifier for the debug session
+      responses:
+        204:
+          description: OK. Debug session and all associated events were deleted
+        404:
+          $ref: "#/components/responses/ErrorResponse"
   /dev/debug-sessions/{debugSessionKey}/events:
     get:
       operationId: getDebugSessionEvents

internal/dev_server/api/delete_debug_session.go

@@ -0,0 +1,25 @@
+package api
+
+import (
+	"context"
+
+	"github.com/launchdarkly/ldcli/internal/dev_server/model"
+)
+
+func (s server) DeleteDebugSession(ctx context.Context, request DeleteDebugSessionRequestObject) (DeleteDebugSessionResponseObject, error) {
+	eventStore := model.EventStoreFromContext(ctx)
+	if eventStore == nil {
+		return DeleteDebugSession404JSONResponse{ErrorResponseJSONResponse{
+			Code:    "event_store_not_found",
+			Message: "Event store not available",
+		}}, nil
+	}
+
+	// Delete the debug session
+	err := eventStore.DeleteDebugSession(ctx, request.DebugSessionKey)
+	if err != nil {
+		return nil, err
+	}
+
+	return DeleteDebugSession204Response{}, nil
+}