Editing Module Registry/Requirements (section)

== 4. System Features ==

<span id="module-discovery-and-distribution"></span>
=== 4.1 Module Discovery and Distribution ===

<span id="description-and-priority"></span>
==== 4.1.1 Description and Priority ====

Module discovery enables users to find, evaluate and obtain available modules through a P2P network. (Priority: High)

<span id="functional-requirements"></span>
==== 4.1.2 Functional Requirements ====

MDD-001: Module Search Capabilities - The system MUST implement basic search capabilities:
* Search by module name
* Search by functionality
* Search by metadata tags
* Filter by architecture compatibility

MDD-002: Module Browsing Interface - The system MUST provide browsing functionality:
* List available modules
* Filter by categories
* Sort by various criteria
* Show module popularity metrics

MDD-003: Metadata Management System - The system MUST handle module metadata:
* Show module details
* Display version information
* List dependencies
* Show compatibility information
* Display module size and download statistics

MDD-004: P2P Distribution Protocol - The system MUST implement P2P distribution:
* Use DHT for module discovery
* Support piece-based downloads for large modules
* Fallback to server downloads when needed
* Verify module integrity via cryptographic hashes
* Cache frequently requested modules
* Implement LRU cache eviction for obsolete modules

<span id="module-installation-and-management"></span>
=== 4.2 Module Installation and Management ===

<span id="description-and-priority-1"></span>
==== 4.2.1 Description and Priority ====

Secure installation and management of modules from the P2P network. (Priority: High)

<span id="functional-requirements-1"></span>
==== 4.2.2 Functional Requirements ====

MIM-001: Module Download Protocol - The system MUST implement secure downloads:
* Fetch from multiple peers
* Verify integrity during transfer
* Resume interrupted downloads
* Support platform-specific assets
* Validate checksums during download

MIM-002: Module Verification System - The system MUST verify module authenticity:
* Check cryptographic signatures
* Validate supply chain
* Verify integrity
* Validate module spec format
* Check lockfile consistency

MIM-003: Module Installation Process - The system MUST handle installation:
* Deploy to correct system location
* Configure module
* Update system state
* Support project and global scope

MIM-004: Module Management System - The system MUST manage module lifecycle:
* Track installed modules
* Maintain lockfiles for reproducibility
* Support module uninstallation
* Handle module updates
* Clean obsolete files

<span id="module-updates-and-versioning"></span>
=== 4.3 Module Updates and Versioning ===

<span id="description-and-priority-2"></span>
==== 4.3.1 Description and Priority ====

Manage module updates and versions securely. (Priority: High)

<span id="functional-requirements-2"></span>
==== 4.3.2 Functional Requirements ====

MUV-001: Update Detection System - The system MUST implement update detection:
* Check for available updates
* Compare versions
* Evaluate compatibility
* Support latest version resolution
* Track version history

MUV-002: Update Process Management - The system MUST handle updates securely:
* Download updates securely
* Verify update integrity
* Handle failed updates
* Rollback capability
* Maintain lockfile consistency

MUV-003: Version Control System - The system MUST manage versions:
* Support semantic versioning
* Handle version constraints
* Track version metadata
* Support version pinning
* Maintain version history

<span id="dependency-resolution"></span>
=== 4.4 Dependency Resolution ===

<span id="description-and-priority-3"></span>
==== 4.4.1 Description and Priority ====

Manage module dependencies effectively. (Priority: High)

<span id="functional-requirements-3"></span>
==== 4.4.2 Functional Requirements ====

MDR-001: Dependency Resolution Engine - The system MUST implement dependency resolution:
* Parse dependency specifications
* Resolve version constraints
* Handle circular dependencies
* Detect conflicts

MDR-002: Dependency Management System - The system MUST manage dependencies:
* Track installed dependencies
* Remove unused dependencies
* Update dependency graph

<span id="multi-architecture-support"></span>
=== 4.5 Multi-Architecture Support ===

<span id="description-and-priority-4"></span>
==== 4.5.1 Description and Priority ====

Support multiple hardware architectures. (Priority: High)

<span id="functional-requirements-4"></span>
==== 4.5.2 Functional Requirements ====

MAS-001: Architecture Detection and Compatibility - The system MUST manage architecture support:
* Detect system architecture
* Select compatible modules
* Handle multi-arch dependencies

MAS-002: Binary Asset Management - The system MUST handle architecture-specific binaries:
* Store architecture-specific binaries
* Select correct binary for system
* Handle cross-compilation artifacts

<span id="security-features"></span>
=== 4.6 Security Features ===

<span id="description-and-priority-5"></span>
==== 4.6.1 Description and Priority ====

Ensure system and module security in a decentralized environment through selective trust delegation and secure package verification, assuming an untrusted repository. (Priority: High)

<span id="functional-requirements-5"></span>
==== 4.6.2 Functional Requirements ====

MSF-001: Trust Management System - The system MUST implement trust management:
* Allow trust delegation for specific packages or package patterns only
* Support hierarchical trust relationships
* Enable fine-grained trust revocation
* Prevent trust escalation attacks
* SHOULD support negative trust assertions (package blacklisting)

MSF-002: Package Verification System - The system MUST verify packages:
* Verify package signatures before installation
* Validate package metadata independently of packages
* Check package metadata matches signed metadata
* Prevent package metadata tampering
* Support multiple package formats
* Enable secure dependency resolution

MSF-003: Authentication System - The system MUST authenticate entities:
* Verify module signatures
* Validate developer identities
* Check certificate chains
* Support decentralized certification

MSF-004: Supply Chain Security - The system MUST secure supply chain:
* Track module provenance
* SHOULD verify build reproducibility
* MUST detect tampering
* SHOULD implement reputation-based trust
* SHOULD support peer reputation scoring

MSF-005: Network Security Protocol - The system MUST secure communications:
* Encrypt communications
* Prevent MitM attacks
* Handle malicious peers
* Support peer blacklisting
* Implement trust revocation

MSF-006: Device Security System - The system MUST secure devices:
* Handle heterogeneous device capabilities
* Protect resource-constrained devices
* Support secure offline operation
* Implement secure peer discovery

<span id="other-nonfunctional-requirements"></span>