diff --git a/Makefile b/Makefile
index b8b8d64..283e833 100644
--- a/Makefile
+++ b/Makefile
@@ -41,7 +41,7 @@ SEARCH_Q     ?= computer
         textbooks-summary textbooks-urls fetch-textbooks textbooks-stats textbooks-verify \
         crawl-textbooks crawl-textbooks-stats textbook textbook-list bench-jaggedness \
         monitor-poll monitor-graph monitor-access \
-        bootstrap-object-store cold-pack cold-pack-dvd cold-pack-all cold-pack-all-dvd cold-unpack cold-stats cold-list
+        bootstrap-object-store cold-pack cold-pack-dvd cold-pack-all cold-pack-all-dvd cold-unpack cold-hydrate cold-stats cold-list
 
 all: bootstrap fetch-cur ingest-cur verify stats ## bootstrap → fetch cur → ingest cur → verify → stats
 
@@ -868,7 +868,8 @@ cold-pack: bootstrap ## bundle hot chunks into tar.zst pack(s) on bucket (≤4.4
 	$(ARBORIST) --db $(DB) cold pack \
 	    $(if $(MAX_CHUNKS),--max-chunks $(MAX_CHUNKS),) \
 	    $(if $(MAX_PACK_BYTES),--max-pack-bytes $(MAX_PACK_BYTES),) \
-	    $(if $(LOCAL_DIR),--local-dir $(LOCAL_DIR),)
+	    $(if $(LOCAL_DIR),--local-dir $(LOCAL_DIR),) \
+	    $(if $(ALLOW_LICENSE_CLASS),--allow-license-class $(ALLOW_LICENSE_CLASS),)
 
 cold-pack-dvd: bootstrap ## write packs to LOCAL_DIR for burning (no S3 upload); each pack ≤4.7 GB
 	@if [ -z "$(LOCAL_DIR)" ]; then echo "LOCAL_DIR=<dir> required"; exit 2; fi
@@ -932,10 +933,31 @@ cold-pack-all: bootstrap ## parallel cold-pack, RAM-aware (override with COLD_PA
 	echo ">> packing shards in $(SHARDS_DIR)/$(SHARDS_PATTERN) — $$JOBS-way parallel"; \
 	find $(SHARDS_DIR) -maxdepth 1 -name '$(SHARDS_PATTERN)' -print0 | \
 	    xargs -0 -n 1 -P $$JOBS -I {} \
-	    $(ARBORIST) --db {} cold pack
+	    $(ARBORIST) --db {} cold pack \
+	      $(if $(ALLOW_LICENSE_CLASS),--allow-license-class $(ALLOW_LICENSE_CLASS),)
 	@echo ">> all shards packed; final bucket state:"
 	@$(ARBORIST) cold stats
 
+cold-hydrate: bootstrap ## genesis a fresh peer from cloud, M-aware: pull every metadata pack from bucket in parallel and route into HYDRATE_DIR/00N.db × HYDRATE_M
+	@if [ -z "$(HYDRATE_DIR)" ]; then echo "HYDRATE_DIR=<dir> required"; exit 2; fi
+	@if [ -z "$(HYDRATE_M)" ]; then echo "HYDRATE_M=<int> required (matches #000065 canonical M)"; exit 2; fi
+	@mkdir -p $(HYDRATE_DIR)
+	@$(COLD_PACK_PICK_JOBS); \
+	echo ">> discovering metadata packs in bucket"; \
+	hashes=$$($(ARBORIST) cold list --no-manifest \
+	    | $(VENV)/bin/python -c \
+	    "import sys, json; d=json.load(sys.stdin); print(' '.join(p['pack_hash'] for p in d['packs'] if p['kind']=='metadata'))"); \
+	if [ -z "$$hashes" ]; then echo "no metadata packs in bucket"; exit 3; fi; \
+	echo ">> $$JOBS-way parallel pull of metadata packs (M=$(HYDRATE_M))"; \
+	printf "%s\n" $$hashes | \
+	    xargs -n 1 -P $$JOBS -I {} \
+	    $(ARBORIST) cold unpack {} \
+	      --hydrate-shards-dir $(HYDRATE_DIR) \
+	      --hydrate-M $(HYDRATE_M) \
+	      --full
+	@echo ">> hydration complete:"
+	@ls -lh $(HYDRATE_DIR)/*.db 2>/dev/null
+
 cold-pack-all-dvd: bootstrap ## same fan-out for DVD burning (no S3); RAM-aware
 	@if [ -z "$(LOCAL_DIR)" ]; then echo "LOCAL_DIR=<dir> required"; exit 2; fi
 	@mkdir -p $(LOCAL_DIR)