feat: persist and dispatch client command input

internal/server/store/event.go

@@ -12,6 +12,7 @@ import (
 
 	rvboxv1 "github.com/rvbox/rvbox/gen/go/rvbox/v1"
 	"github.com/rvbox/rvbox/internal/domain"
+	"google.golang.org/protobuf/proto"
 )
 
 const (
@@ -235,6 +236,18 @@ retained_compressed_bytes = retained_compressed_bytes + ?, output_charged_bytes
 			}
 		}
 	}
+	if err == nil && event.EventType == 7 {
+		// Stdin acknowledgements are command events, but their durable delivery
+		// cursor lives in stdin_writes. Mark the cumulative prefix in the same
+		// transaction as the event so a crash cannot make an acknowledged write
+		// replay forever or release it before its event is durable.
+		var wire rvboxv1.CommandEvent
+		if unmarshalErr := proto.Unmarshal(event.Payload, &wire); unmarshalErr != nil || wire.GetStdinAck() == nil || wire.GetStdinAck().GetWriteSeq() == 0 {
+			err = ErrInvalidSegmentRecord
+		} else {
+			_, err = tx.ExecContext(ctx, `UPDATE stdin_writes SET acknowledged = 1 WHERE issue_uuid = ? AND write_seq <= ?`, event.IssueUUID[:], wire.GetStdinAck().GetWriteSeq())
+		}
+	}
 	if err == nil {
 		var update sql.Result
 		update, err = tx.ExecContext(ctx, `UPDATE clients SET charged_bytes = ? WHERE client_id = ? AND charged_bytes = ?`, reservation.ClientTotalCharged, clientID, clientCharged)