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+<!-- custodian-brief: generated by fix-consistency — do not edit manually -->
+# Custodian Brief — artifact-store
+
+**Domain:** stack  
+**Last synced:** 2026-05-15 16:31 UTC  
+**State Hub:** http://127.0.0.1:8000 *(adjust if running on a remote machine)*
+
+## Active Workstreams
+
+### Artifact Store Service Baseline
+Progress: 0/8 done  |  workstream_id: `aebf996c-8721-4e8c-9e56-61d5e4bf8dcb`
+
+**Open tasks:**
+- · D1.1 - Service Scaffold And Repository Identity  `84209430`
+- · D1.2 - Registry Data Model  `e5249a39`
+- · D1.3 - Local Filesystem Storage Backend  `68f9a752`
+- · D1.4 - Package Ingestion API  `e3879111`
+- · D1.5 - Retention Baseline  `2d6cbd83`
+- · D1.6 - S3-Compatible Backend Design Hook  `7b980a55`
+- · D1.7 - Guide-Board Pilot Ingestion  `eb822821`
+- … and 1 more open tasks
+
+---
+## MCP Orientation (when available)
+
+If the state-hub MCP server is reachable, call:
+`get_domain_summary("stack")`
+This provides richer cross-domain context.
+If the MCP call fails, use this file as your orientation source.