Initial public ModelForge release

2026-09-01 21:30:16 +02:00
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+# Embedding Space Identity
+
+## Consumer enforcement
+
+ExampleRAG stores `embedding_space_id` on the ModelForge profile, collection identity and every new
+shadow payload. The adapter rejects a vector response whose space differs even when dimensions are
+equal. The current production index is recorded as `legacy-observed` until complete upstream
+revision provenance exists.
+
+An EmbeddingSpace identifies the vector geometry produced by an exact ArtifactSet,
+RuntimeProfile fingerprint and CapabilityContract. Dimension and normalization are facts, not the
+identity: two 1024-dimensional deployments can still be incompatible spaces.
+
+The identity digest is immutable and the M5 production space is
+`326075d3-c75f-402e-b1b4-4d243c6a9ca2`. Every change is classified `requires_reindex`; existing
+vectors must never be silently reused under another identity.
+
+M13 freezes the target `EmbeddingSpace` and source space reference in its immutable plan. A reindex
+plan must name a separate shadow target; changing deployment, runtime, preprocessing, dimension,
+normalization, query/document semantics or distance identity requires a new plan and validation.