data fixes; indicator=>workspace sync

ingestor/src/kafka-producer.js

@@ -180,15 +180,20 @@ export class KafkaProducer {
         status: metadata.status || 'OK',
         errorMessage: metadata.error_message
       },
-      rows: ohlcData.map(candle => ({
-        timestamp: candle.timestamp,
-        ticker: candle.ticker,
-        open: candle.open,
-        high: candle.high,
-        low: candle.low,
-        close: candle.close,
-        volume: candle.volume
-      }))
+      rows: ohlcData.map(candle => {
+        // null open/high/low/close signals a gap bar (no trades that period).
+        // Omit fields from the protobuf message when null so hasOpen() etc. return false.
+        const row = {
+          timestamp: candle.timestamp,
+          ticker: candle.ticker,
+        };
+        if (candle.open  != null) row.open   = candle.open;
+        if (candle.high  != null) row.high   = candle.high;
+        if (candle.low   != null) row.low    = candle.low;
+        if (candle.close != null) row.close  = candle.close;
+        if (candle.volume != null) row.volume = candle.volume;
+        return row;
+      })
     };
 
     // Encode as protobuf OHLCBatch with ZMQ envelope