21 lines
1.1 KiB
Markdown
21 lines
1.1 KiB
Markdown
# Embedding Space Identity
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## Consumer enforcement
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ExampleRAG stores `embedding_space_id` on the ModelForge profile, collection identity and every new
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shadow payload. The adapter rejects a vector response whose space differs even when dimensions are
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equal. The current production index is recorded as `legacy-observed` until complete upstream
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revision provenance exists.
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An EmbeddingSpace identifies the vector geometry produced by an exact ArtifactSet,
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RuntimeProfile fingerprint and CapabilityContract. Dimension and normalization are facts, not the
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identity: two 1024-dimensional deployments can still be incompatible spaces.
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The identity digest is immutable and the M5 production space is
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`326075d3-c75f-402e-b1b4-4d243c6a9ca2`. Every change is classified `requires_reindex`; existing
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vectors must never be silently reused under another identity.
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M13 freezes the target `EmbeddingSpace` and source space reference in its immutable plan. A reindex
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plan must name a separate shadow target; changing deployment, runtime, preprocessing, dimension,
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normalization, query/document semantics or distance identity requires a new plan and validation.
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