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  • chore(memory): add EXTERNAL backend extension points

    frostbyte_neo 发布于 2026-04-20 23:42:10 +00:00

    Mirrors the pattern used by headroom.ccr_backend so memory store,
    vector index, and text index backends can be registered via setuptools
    entry points.

    • EXTERNAL enum value on StoreBackend, VectorBackend, TextBackend
    • Optional *_backend_name fields on MemoryConfig
    • entry_points(group=...) lookup in create{store,vector_index,text_index}
    • New test_factory_external.py (7 tests) covering load / missing-name /
      unknown-name paths

    Default behavior (SQLITE + AUTO + FTS5) unchanged.

    Extension groups:
    headroom.memory_store
    headroom.memory_vector
    headroom.memory_text

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