Delete gap_supplement/MERGE_GAP_SKILL.md with huggingface_hub

gap_supplement/MERGE_GAP_SKILL.md

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----
-name: polymarket-gap-merge-parquet
-description: 将 gap 补充 parquet 与 poly_data 下 huggingface_data/raw 全量 trades/quant/users 合并（DuckDB 推荐）。
----
-
-# Polymarket gap 与基线 parquet 合并
-
-## 路径约定
-
-- **Gap 产物**（本仓库内，用于上传 HF）：`Polymarket_data/hf_push/gap_supplement/trades_fix_gap.parquet`（及 quant/users）。
-- **基线**（通常在同级 `poly_data`）：`$POLY_ROOT/huggingface_data/raw/trades.parquet` 等。未设置 `POLY_ROOT` 时默认 `Polymarket_data` 的上一级目录下的 `poly_data`。
-- **Trades 去重键**：`(timestamp, transaction_hash, maker, taker)`。合并前将 `timestamp`/`block_number` 规范为 `BIGINT`，`transaction_hash`/`maker`/`taker` 用 `lower()`。
-
-## DuckDB：写出新文件再原子替换（推荐）
-
-将下面路径替换为你的 `POLY_ROOT` 绝对路径。
-
-```sql
-COPY (
-  SELECT * FROM (
-    SELECT
-      CAST(CAST(timestamp AS VARCHAR) AS BIGINT) AS _ts,
-      lower(CAST(transaction_hash AS VARCHAR)) AS _tx,
-      lower(CAST(maker AS VARCHAR)) AS _mk,
-      lower(CAST(taker AS VARCHAR)) AS _tk,
-      *
-    FROM read_parquet('/ABS/POLY_ROOT/huggingface_data/raw/trades.parquet')
-    UNION ALL
-    SELECT
-      CAST(CAST(timestamp AS VARCHAR) AS BIGINT),
-      lower(CAST(transaction_hash AS VARCHAR)),
-      lower(CAST(maker AS VARCHAR)),
-      lower(CAST(taker AS VARCHAR)),
-      *
-    FROM read_parquet('/ABS/Polymarket_data/hf_push/gap_supplement/trades_fix_gap.parquet')
-  )
-  QUALIFY ROW_NUMBER() OVER (PARTITION BY _ts, _tx, _mk, _tk ORDER BY _ts) = 1
-) TO '/ABS/POLY_ROOT/huggingface_data/raw/trades_merged.parquet'
-(FORMAT PARQUET, COMPRESSION ZSTD);
-```
-
-校验后：`mv trades_merged.parquet trades.parquet`（先在副本上验证行数与键）。
-
-## 生成 Gap 侧文件
-
-在 `Polymarket_data` 根目录：
-
-```bash
-export POLY_ROOT=/path/to/poly_data   # 含 data/recovered_chunks、markets 等
-python3 scripts/gap_recovery/gap_to_trades_quant_users_hf.py
-python3 scripts/gap_recovery/prepare_hf_gap_bundle.py
-export HF_TOKEN=...
-python3 scripts/gap_recovery/hf_sync_gap_dataset.py
-```
-
-## 相关源码（均在 `scripts/gap_recovery/`）
-
-- `gap_to_trades_quant_users_hf.py` — 全量 gap → trades/quant/users  
-- `run_recent_recovery_parallel.py` — RPC 拉取与自适应批次  
-- `build_trades_supplement_from_gap_parquets.py` — 仅 trades 补充  
-- `verify_hf_orderfilled_gaps_2_50_duckdb.py` — HF 相邻块小空洞统计