Refactor data service: rename streaming files, update gRPC service methods, and enhance stream management

pkg/pb/data_service/data_service.proto

@@ -0,0 +1,51 @@
+syntax = "proto3";
+
+package data_service;
+
+option go_package = "gitlab.michelsen.id/phillmichelsen/tessera/pkg/pb/data_service;data_service";
+
+service DataServiceControl {
+  rpc StartStream(StartStreamRequest) returns (StartStreamResponse);
+  rpc StopStream(StopStreamRequest) returns (StopStreamResponse);
+  rpc ConfigureStream(ConfigureStreamRequest) returns (ConfigureStreamResponse);
+}
+
+service DataServiceStreaming {
+  rpc ConnectStream(ConnectStreamRequest) returns (stream Message);
+}
+
+// Domain Models
+message Identifier {
+  string provider = 1; // e.g., "binance"
+  string subject = 2; // e.g., "BTCUSDT"
+}
+
+message Message {
+  Identifier identifier = 1;
+  string payload = 2; // JSON-encoded data
+}
+
+// Control Requests and Responses
+message StartStreamRequest {}
+
+message StartStreamResponse {
+  string stream_uuid = 1;
+}
+
+message ConfigureStreamRequest {
+  string stream_uuid = 1;
+  repeated Identifier identifiers = 2;
+}
+
+message ConfigureStreamResponse {}
+
+message StopStreamRequest {
+  string stream_uuid = 1;
+}
+
+message StopStreamResponse {}
+
+// Stream Requests and Responses
+message ConnectStreamRequest {
+  string stream_uuid = 1;
+}