flatbuffer base

flatbuffers/stream/stream_data.fbs

@@ -0,0 +1,18 @@
+namespace hmmmm.stream;
+
+// Server → Client: memory region snapshot pushed by the server.
+// tclk is the virtual clock tick at which this data became valid —
+// clients may buffer and apply it at the appropriate simulation point.
+table StreamDataPush {
+    stream_id: uint32;
+    tclk:      uint64;
+    data:      [ubyte];
+}
+
+// Client → Server: write into a registered write-mode stream.
+// offset is relative to the registered region start.
+table StreamWritePush {
+    stream_id: uint32;
+    offset:    uint32;
+    data:      [ubyte];
+}