Non-default graphs were second-class citizens — timers only maintained the
default graph, git sync ignored named graphs, there was no way to create
a graph without editing config manually, cross-graph edge errors were
confusing, and utility scripts were hardcoded to the default graph.
- Add `graph-create` CLI command + `create_graph()` in common.py, with
custom path registration written to the default graph's _config.json
- Add `scripts/maintain-all-graphs.sh` to loop decay/core/embed/reflect
over all discovered graphs; update systemd services to call it
- Refactor `memory-git-sync.sh` into sync_repo() function that iterates
default + all named graphs with .git directories
- Improve cross-graph edge ValueError to explain the same-graph constraint
- Add --graph flag to edge-proposer.py and session_memory.py
- Update systemd/README.md with portable paths and new architecture
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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