feat: persist isolated vector snapshots and exact retrieval

2026-10-16 09:52:02 +08:00
parent 1c07d9ed16
commit 5e5cba2698
24 changed files with 1729 additions and 20 deletions
@@ -50,6 +50,7 @@ class Chunk(Base):
    __tablename__ = "chunks"
    __table_args__ = (
        UniqueConstraint("index_version_id", "knowledge_id", "ordinal", name="uq_chunk_position"),
+        UniqueConstraint("id", "index_version_id", name="uq_chunk_text_scope"),
        CheckConstraint("start_offset >= 0 AND end_offset > start_offset", name="ck_chunk_offsets"),
    )
    id: Mapped[str] = mapped_column(String(36), primary_key=True)