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docs/modules/sbomservice/README.md

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+# SbomService
+
+**Status:** Implemented
+**Source:** `src/SbomService/`
+**Owner:** Scanner Guild
+
+## Purpose
+
+SbomService provides SBOM storage, versioning, and lineage tracking. Maintains the canonical SBOM repository with support for SPDX 3.0.1 and CycloneDX 1.6 formats, including temporal queries and dependency graph analysis.
+
+## Components
+
+**Services:**
+- `StellaOps.SbomService` - Main SBOM service with API and business logic
+
+**Libraries:**
+- `StellaOps.SbomService.Storage.Postgres` - PostgreSQL storage adapter for SBOM persistence
+- `StellaOps.SbomService.Storage.Postgres.Tests` - Storage layer integration tests
+
+## Configuration
+
+Configuration is embedded in the service module settings.
+
+Key settings:
+- PostgreSQL connection (schema: `sbom_service`)
+- Authority integration
+- SBOM format support (SPDX, CycloneDX)
+- Versioning and lineage policies
+- Retention settings
+
+## Dependencies
+
+- PostgreSQL (schema: `sbom_service`)
+- Authority (authentication)
+- Scanner (SBOM generation source)
+- Attestor (SBOM attestation integration)
+- ExportCenter (SBOM export and distribution)
+
+## Related Documentation
+
+- Architecture: `./architecture.md`
+- Scanner: `../scanner/`
+- Attestor: `../attestor/`
+- Data Schemas: `../../11_DATA_SCHEMAS.md`
+
+## Current Status
+
+Implemented with PostgreSQL storage backend. Supports SBOM ingestion, versioning, and lineage tracking. Provides API for SBOM queries and temporal analysis.