Continuing the graphdb implementations: class and instance completed.#6

Merged

david-w-t merged 38 commits intodavidwt-com:mainfrom

david-w-t:develop

Apr 7, 2026

Commits on Apr 5, 2026

Update and extend project documentation with knowledge graph model
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Propagate knowledge-graph-database-guide corrections into project docs
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Fix reciprocity table column header and patent titles in knowledge-graph-database-guide
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Mark TASKS.md item C resolved — Descriptive Database section removed from guide
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Add conflict resolution note to guide; rewrite TASKS.md as public-facing; clean up app docs
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Add attribute_value_pairs to node record structure in guide and CLAUDE.md
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Remove pre-rebar3 legacy directories and update docs
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Add optional per-direction AVP list to relationship structure
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clarification on attributes
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Add architectural design doc and update task list for Mnesia/bootstrap redesign
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Resolve all open design questions: nref_start=10000, paths, Mnesia dir, stale DETS cleanup
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Move nref_start from config into bootstrap.terms as a one-time directive
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Introduce category node kind: bootstrap-only scaffold, arc storage rules, updated tree
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Assign bootstrap nrefs 1-28 (BFS), write bootstrap.terms, fix nref_start processing order
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Add instance-class membership arc labels (nrefs 29-30) to bootstrap
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Renumber nrefs 27-30 to strict BFS order (Class=27, Instance=28, Parent/AttrRel=29, Child/AttrRel=30)
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Reorder level-3 nodes: Attribute before Class in Names and Relationships groups; BFS renumber cascades through levels 4
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Add multi-database architecture: environment vs project DBs, project nrefs start at 1, target_kind arc annotation
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Correct environment DB characterization: living schema, not read-only; attributes and classes grow at runtime
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Update all CLAUDE.md files to reflect current architecture
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Update and extend project documentation with knowledge graph model
david-w-t
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Fix reciprocity table column header and patent titles in knowledge-graph-database-guide
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Add conflict resolution note to guide; rewrite TASKS.md as public-facing; clean up app docs
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Renumber nrefs 27-30 to strict BFS order (Class=27, Instance=28, Parent/AttrRel=29, Child/AttrRel=30)
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Reorder level-3 nodes: Attribute before Class in Names and Relationships groups; BFS renumber cascades through levels 4
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openwolf setup is included.
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Update default.config and sys.config for Task 0a: add log_path, bootstrap_file, mnesia dir; remove unused index_path
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Add set_floor/1 API to nref_server and nref_allocator (Task 0b)
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Update TASKS.md and ARCHITECTURE.md to reflect completed Tasks 0a/0b and correct bootstrap counts (30 nodes, 29 relationships)
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Implement graphdb_bootstrap (Task 1): Mnesia schema/table creation and bootstrap.terms loader
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Add unit and integration tests for graphdb_bootstrap (35 EUnit + 16 CT, all passing)
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Add safety guards to delete_dir_recursive: require absolute path within _build/test/ct_scratch/bootstrap_*
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Implement graphdb_mgr startup wiring (Task 2): bootstrap init, read API, category guard, 28 tests
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Implement graphdb_attr (Task 3): attribute library over Mnesia, 14 CT tests

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Moved session restart to tasks; completed tasks indicated.
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Merge branch 'main' into develop
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Commits on Apr 6, 2026

Implement graphdb_class (Task 4): taxonomic hierarchy over Mnesia, 22 CT + 11 EUnit tests

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Commits on Apr 7, 2026

Implement graphdb_instance (Task 5): compositional hierarchy + inheritance, 23 CT + 7 EUnit tests

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