| targetType | String | Source model or table name for the polymorphic target reference. | |
| targetId | UUID | Source object UUID for the polymorphic target reference. | |
| principal | Principal | | [optional] |
| organization | Organization | | [optional] |
| memoryEntry | MemoryEntry | | [optional] |
| tenantScope | String | Optional tenant/deployment isolation key, such as a generated customer schema name, for generated-app isolation and reindex partitioning; this is not a database-schema search surface for agents. | [optional] |
| sourceHash | String | SHA-256 hash of normalized source text used to skip unchanged reindexing. | |
| summaryText | String | Compressed summary used for low-token context assembly. | [optional] |
| keywordsText | String | Normalized lexical keywords for hybrid symbolic/semantic retrieval. | [optional] |
| compressionStrategy | CompressionStrategyEnum | Context compression strategy applied before indexing and retrieval assembly. | |
| embeddingProvider | String | Embedding provider that generated the vector. | |
| embeddingModel | String | Embedding model identifier. | |
| embeddingDimensions | Integer | Number of dimensions in embeddingVector. | |
| embeddingVector | byte[] | Serialized float32 little-endian vector bytes, base64 encoded on the wire. | |
| embeddingChecksum | String | SHA-256 checksum of embeddingVector bytes. | |
| vectorEncoding | VectorEncodingEnum | Encoding used for embeddingVector. | |
| status | StatusEnum | Lifecycle status for the semantic index row. | |
| contentChars | Integer | Character count of the normalized source content. | [optional] |
| estimatedTokens | Integer | Estimated source token count before compression. | [optional] |
| relevanceScore | Double | Cached ranking signal for retrieval. | [optional] |
| hitCount | Long | Number of successful retrieval hits for this index row. | [optional] |
| lastHitAt | OffsetDateTime | Last time this row was used in context assembly. | [optional] |
| indexedAt | OffsetDateTime | Time the vector and summary were generated. | |
| semanticDeletedAt | OffsetDateTime | Time the row was marked deleted after source lifecycle cleanup. | [optional] |
| id | UUID | Unique identifier for object in the system | [optional] [readonly] |
| ownerId | UUID | UUID of owner of the object in the system | [optional] [readonly] |
| createdDate | OffsetDateTime | Date of object creation | [optional] [readonly] |
| keyHash | String | Data, including hash of the key(s) used to encrypt this record. | [optional] [readonly] |
| lastAccessedById | UUID | Last user to access object | [optional] [readonly] |
| lastAccessedDate | OffsetDateTime | Timestamp of last access of object | [optional] [readonly] |
| lastModifiedById | UUID | Unique identifier for user who last modifed the object in the system | [optional] [readonly] |
| lastModifiedDate | OffsetDateTime | Date of last object modification | [optional] [readonly] |
| trashed | Boolean | Indicates if the object is trashed (soft deleted) | [optional] |