Sw requirements architecture

Skill krkruk/openspec-vibe-with-esa-touch/.claude/skills/sw-requirements-architecture

Use ESA's SDLC, develop some agent skills and hope for the bestFrom the repository description

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SKILL.md

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Software Requirements & Architecture

This skill guides you through the Software Requirements and Architecture Engineering phase of the ECSS software development pipeline.

Purpose

This phase transforms the Requirements Baseline (RB) into a detailed technical specification and top-level software architecture. It defines the structure, components, and interfaces that will guide implementation.

Key Activities

Transform RB to technical specification: Convert system requirements into detailed software requirements
Identify software components: Break down the system into manageable software items
Define external interfaces: Specify all interfaces between software and external systems/hardware
Establish computational model: Define the real-time execution model for the software
Design top-level architecture: Create the structural foundation for the software

V&V Focus

Verification activities in this phase focus on:

Technical specification verification
Architectural design verification
Establishment of Software Verification Plan (SVerP)
Establishment of Software Validation Plan (SValP)

Milestone: PDR (Preliminary Design Review)

The PDR is the gate to the detailed design phase. Before PDR approval, ensure:

Technical specification is complete and baselined
Software architecture is defined and documented
Software components and their relationships are identified
External interfaces are specified
SVerP and SValP are established
Real-time performance model is defined

Inputs & Outputs

Inputs	Outputs
Requirements Baseline (RB)	Technical specification
System architecture	Software architecture design
Performance requirements	Component definitions
Real-time constraints	Interface specifications
	SVerP (Software Verification Plan)
	SValP (Software Validation Plan)

Checklist

Related Phases

Previous: System Requirements (invoke /system-requirements)
Next: Design & Implementation (invoke /design-implementation)

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