Document bash invocation for workflow scripts

docs/PIPELINE_RUNBOOK.md

@@ -38,7 +38,7 @@ cargo build --release -p osu_indexer -p osu_fetcher
 cp osu_fetcher.toml.example osu_fetcher.toml
 # fill osu! API credentials; keep this file local only
 
-UPLOAD=1 scripts/update_maps_v1.sh
+UPLOAD=1 bash scripts/update_maps_v1.sh
 ```
 
 `scripts/update_maps_v1.sh` performs the full update:
@@ -110,7 +110,7 @@ fewer `compact-*.parquet` files, then regenerates `latest_revisions` and
 Run compaction manually after older runs or when no new maps are being ingested:
 
 ```bash
-UPLOAD=1 scripts/compact_metadata_v1.sh
+UPLOAD=1 bash scripts/compact_metadata_v1.sh
 ```
 
 Useful knobs:
@@ -120,7 +120,7 @@ COMPACT=0                    # skip compaction for one update run
 COMPACT_TARGET_ROWS=1000000  # target rows per compacted all_revisions file
 COMPACT_MIN_FILES=2          # compact table dirs with at least this many files
 COMPACT_WORKERS=4            # parallel table compaction workers
-UPLOAD=0 scripts/compact_metadata_v1.sh # local-only compaction pass
+UPLOAD=0 bash scripts/compact_metadata_v1.sh # local-only compaction pass
 ```
 
 Compaction never touches `archives/`, `state/fetcher/`, `blobs/`, or
@@ -140,7 +140,7 @@ cd ~/osu_model
 
 UPLOAD=1 \
 BATCH_ID=compact-v1-$(date -u +%Y%m%dT%H%M%SZ) \
-scripts/rebuild_compact_v1.sh
+bash scripts/rebuild_compact_v1.sh
 ```
 
 The rebuild script deletes local `data/`, stale local `blobs/`, and stale local
@@ -152,13 +152,13 @@ slow legacy-prefix deletion. If old `blobs/` or `manifests/` prefixes reappear
 and you intentionally want to remove them during the rebuild:
 
 ```bash
-CLEAN_LEGACY_PREFIXES=1 UPLOAD=1 scripts/rebuild_compact_v1.sh
+CLEAN_LEGACY_PREFIXES=1 UPLOAD=1 bash scripts/rebuild_compact_v1.sh
 ```
 
 Smoke test without upload:
 
 ```bash
-UPLOAD=0 LIMIT=5 scripts/rebuild_compact_v1.sh
+UPLOAD=0 LIMIT=5 bash scripts/rebuild_compact_v1.sh
 ```
 
 Do not use `LIMIT` for the real rebuild.
@@ -172,7 +172,7 @@ If you already have new `.osz` files from another source, put them under
 mkdir -p incoming_osz
 cp /path/to/new/*.osz incoming_osz/
 
-HYDRATE=1 FETCH=0 INPUT_DIR=incoming_osz UPLOAD=1 scripts/update_maps_v1.sh
+HYDRATE=1 FETCH=0 INPUT_DIR=incoming_osz UPLOAD=1 bash scripts/update_maps_v1.sh
 ```
 
 The ingest step hashes each archive and skips any SHA-256 already committed in