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Core Storage & P2P Networking
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This sub-specification outlines the functional requirements for Nube's core storage capabilities, virtual filesystem presentation, and peer-to-peer transport layers.

Data Integrity & Deduplication
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*  **[FUNC-CORE-INTEGRITY]**: Nube must ensure bit-perfect, mathematical verification of all ingested and transferred data. Every byte of content stored within the fabric must be cryptographic-hash-addressable.
*  **[FUNC-CORE-DEDUPLICATION]**: Nube must automatically detect and deduplicate redundant data at the chunk boundary when importing or updating files, optimizing local and network resources.

Filesystem Presentation & UI
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*  **[FUNC-FUSE-MOUNT]**: Nube must expose a native OS directory path via a FUSE (Filesystem in Userspace) mount point. Any file operations performed in this directory (e.g., creation, modification, deletion) must be transparently tracked by the daemon.
*  **[FUNC-WUI-BROWSER]**: Nube must provide a rich, responsive graphical Web UI dashboard served locally to manage storage folders, check transfer progress, view connected peers, and inspect diagnostics.

P2P Networking & Data Syncing
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*  **[FUNC-P2P-DISCOVERY]**: Nube must discover and route peers autonomously without relying on central trackers or servers. Peer discovery must operate over both local networks (LAN) and the public Internet (WAN).
*  **[FUNC-SYNC-FABRIC]**: Nube must maintain eventual consistency across configured folders, performing incremental syncing of directories and files over secure, peer-to-peer network connections.