Allegro ae6f3e9a95 feat: Issue #39 - temporal knowledge graph with versioning and reasoning ...

Implement Phase 28: Sovereign Knowledge Graph 'Time Travel'

- agent/temporal_knowledge_graph.py: SQLite-backed temporal triple store
  with versioning, validity periods, and temporal query operators
  (BEFORE, AFTER, DURING, OVERLAPS, AT)

- agent/temporal_reasoning.py: Temporal reasoning engine supporting
  historical queries, fact evolution tracking, and worldview snapshots

- tools/temporal_kg_tool.py: Tool integration with functions for
  storing facts with time, querying historical state, generating
  temporal summaries, and natural language temporal queries

- tests/test_temporal_kg.py: Comprehensive test coverage including
  storage tests, query operators, historical summaries, and integration tests

2026-04-01 02:08:20 +00:00

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