docs: align internal docs to enterprise standards

Add canonical operations/security/access/feature docs and fix path integrity to improve onboarding and incident readiness.

docs/index.md

@@ -1,57 +1,44 @@
----
-layout: default
----
-
-# CBDDC Documentation
-
-Welcome to the CBDDC documentation for **version 0.9.0**.
-
-## What's New in v0.9.0
-
-Version 0.9.0 brings enhanced ASP.NET Core support, improved EF Core runtime stability, and refined synchronization and persistence layers.
-
-- **ASP.NET Core Enhancements**: Improved sample application with better error handling
-- **EF Core Stability**: Fixed runtime issues and improved persistence layer reliability
-- **Sync & Persistence**: Enhanced stability across all persistence providers
-- **Production Ready**: All features tested and stable for production use
-
-See the [CHANGELOG](https://github.com/CBDDC/ZB.MOM.WW.CBDDC.Net/blob/main/CHANGELOG.md) for complete details.
-
-## Documentation
-
-### Getting Started
-*   [**Getting Started**](getting-started.html) - Installation, basic setup, and your first CBDDC application
-
-### Core Concepts
-*   [Architecture](architecture.html) - Understanding HLC, Gossip Protocol, and P2P mesh networking
-*   [API Reference](api-reference.html) - Complete API documentation and examples
-*   [Querying](querying.html) - Data querying patterns and LINQ support
-
-### Persistence & Storage
-*   [Persistence Providers](persistence-providers.html) - SQLite, EF Core, PostgreSQL comparison and configuration
-*   [Deployment Modes](deployment-modes.html) - Single-cluster deployment strategy
-
-### Networking & Security
-*   [Security](security.html) - Encryption, authentication, and secure networking
-*   [Conflict Resolution](conflict-resolution.html) - LWW and Recursive Merge strategies
-*   [Network Telemetry](network-telemetry.html) - Monitoring and diagnostics
-*   [Dynamic Reconfiguration](dynamic-reconfiguration.html) - Runtime configuration and leader election
-*   [Remote Peer Configuration](remote-peer-configuration.html) - Managing remote peers and tracking lifecycle
-*   [Upgrade: Peer-Confirmed Pruning](upgrade-peer-confirmed-pruning.html) - Adoption and rollout notes
+---
+layout: default
+---
 
-### Deployment & Operations
-*   [Deployment (LAN)](deployment-lan.html) - Platform-specific deployment instructions
-*   [Production Hardening](production-hardening.html) - Configuration, monitoring, and best practices
-*   [Peer Deprecation & Removal Runbook](peer-deprecation-removal-runbook.html) - Operational deprecation/removal workflow
-
-## Previous Versions
-
-- [v0.8.x Documentation](v0.8/getting-started.html)
-- [v0.7.x Documentation](v0.7/getting-started.html)
-- [v0.6.x Documentation](v0.6/getting-started.html)
-
-## Links
-
-*   [GitHub Repository](https://github.com/CBDDC/ZB.MOM.WW.CBDDC.Net)
-*   [NuGet Packages](https://www.nuget.org/packages?q=CBDDC)
-*   [Changelog](https://github.com/CBDDC/ZB.MOM.WW.CBDDC.Net/blob/main/CHANGELOG.md)
+# CBDDC Documentation
+
+Welcome to the CBDDC documentation site.
+
+## Canonical Operational Docs
+
+- [Architecture](architecture.md)
+- [Deployment](deployment.md)
+- [Runbook](runbook.md)
+- [Security](security.md)
+- [Access and Permissions](access.md)
+- [Troubleshooting](troubleshooting.md)
+
+## Feature Docs
+
+- [Feature Inventory](features/README.md)
+- [Selective Collection Sync](features/selective-collection-sync.md)
+- [Peer-to-Peer Gossip Sync](features/peer-to-peer-gossip-sync.md)
+- [Secure Peer Transport](features/secure-peer-transport.md)
+- [Peer-Confirmed Pruning](features/peer-confirmed-pruning.md)
+
+## Additional References
+
+- [Getting Started](getting-started.md)
+- [API Reference](api-reference.md)
+- [Persistence Providers](persistence-providers.md)
+- [Deployment Modes](deployment-modes.md)
+- [Deployment (LAN)](deployment-lan.md)
+- [Production Hardening](production-hardening.md)
+- [Conflict Resolution](conflict-resolution.md)
+- [Network Telemetry](network-telemetry.md)
+- [Dynamic Reconfiguration](dynamic-reconfiguration.md)
+- [Remote Peer Configuration](remote-peer-configuration.md)
+- [Upgrade: Peer-Confirmed Pruning](upgrade-peer-confirmed-pruning.md)
+- [Peer Deprecation and Removal Runbook](peer-deprecation-removal-runbook.md)
+- [Database Sync Manager Design](database-sync-manager-design.md)
+
+## Release History
+
+See the [CHANGELOG](https://github.com/CBDDC/ZB.MOM.WW.CBDDC.Net/blob/main/CHANGELOG.md) for version-level changes.