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docs/modules/symbols/README.md

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+# Symbols Module
+
+**Status:** Implemented
+**Source:** `src/Symbols/`
+
+## Purpose
+
+The Symbols module provides debug symbol storage, resolution, and distribution for binary analysis and call-graph construction. It supports multi-tenant symbol management with DSSE-signed manifests and CAS-backed blob storage.
+
+## Components
+
+**Services:**
+- **StellaOps.Symbols.Server** - REST API for symbol management and resolution
+- **StellaOps.Symbols.Client** - Client SDK for Scanner/runtime integration
+- **StellaOps.Symbols.Ingestor.Cli** - CLI tool for symbol ingestion
+- **StellaOps.Symbols.Core** - Core abstractions, models, and interfaces
+- **StellaOps.Symbols.Infrastructure** - In-memory and production implementations
+- **StellaOps.Symbols.Bundle** - Offline bundle management
+
+## Key Features
+
+- **Symbol Resolution** - Address-to-symbol mapping for binaries (ELF, PE, Mach-O)
+- **Multi-tenant Storage** - Tenant-isolated symbol manifests with BLAKE3 content hashing
+- **DSSE Integration** - Optional cryptographic signing of manifests for transparency
+- **CAS Blob Storage** - Content-addressed storage for symbol files and metadata
+- **Debug Identifiers** - Support for ELF Build-IDs, PDB GUIDs, and GNU build-ids
+
+## API Endpoints
+
+- `POST /v1/symbols/manifests` - Upload symbol manifest
+- `GET /v1/symbols/manifests/{id}` - Get manifest by ID
+- `GET /v1/symbols/manifests` - Query manifests with filters
+- `POST /v1/symbols/resolve` - Resolve addresses to symbols
+- `GET /v1/symbols/by-debug-id/{debugId}` - Get manifests by debug ID
+- `GET /health` - Health check (anonymous)
+
+## Dependencies
+
+- PostgreSQL (for production storage)
+- Authority (authentication and multi-tenancy)
+- Policy Engine (optional, for overlay integration)
+- Graph module (for call-graph construction support)
+
+## Related Documentation
+
+- **Architecture:** See `src/Symbols/AGENTS.md` for detailed agent instructions
+- **Sprint Plan:** Check `docs/implplan/SPRINT_*.md` for current development status
+- **Fixtures:** Test data available in `tests/Symbols/fixtures/`
+
+## Current Status
+
+Active development. Supports symbol ingestion, resolution, and multi-tenant distribution with DSSE-signed manifests and CAS-backed storage.