Pm Requirements:traceability

Traceability Standards

Standards for connecting specification documents with implementation code, establishing bidirectional traceability, and maintaining documentation throughout the implementation lifecycle.

Core Principles

Holistic System View

Effective documentation provides a complete view at multiple levels:

• Requirements level: What the system must accomplish
• Specification level: How the system is designed
• Implementation level: How the code actually works

Proper linkage ensures seamless navigation between these levels.

Single Source of Truth

Each piece of information should have one authoritative location:

• Specifications: Architectural decisions, standards, constraints
• Implementation code: Detailed behavior, algorithms, edge cases
• JavaDoc: Usage guidance, API contracts, implementation notes

Documentation Lifecycle

Documentation evolves through implementation:

1. Pre-Implementation: Specifications contain detailed design and examples
2. During Implementation: Specifications updated with implementation decisions
3. Post-Implementation: Specifications link to code, redundant details removed

Workflow

Step 1: Load Applicable Traceability Standards

CRITICAL: Load traceability standards based on task context.

1. Always load information distribution standards:

   Read: standards/information-distribution.md
   

   Defines what belongs in specifications vs JavaDoc.

2. Load standards based on task context:

   • If linking from specifications to code:

     Read: standards/specification-to-code-linking.md
     

   • If linking from code to specifications (JavaDoc):

     Read: standards/code-to-specification-linking.md
     

   • If updating documentation through implementation phases:

     Read: standards/documentation-update-workflow.md
     

   • If documenting test coverage and validation:

     Read: standards/verification-and-validation-linking.md
     

   • If maintaining existing traceability links:

     Read: standards/cross-reference-maintenance.md
     

   • If verifying traceability quality:

     Read: standards/quality-standards.md
     

Step 2: Apply Traceability Standards

Apply the loaded standards to your specific task:

For New Implementation:

1. Add JavaDoc specification references using code-to-specification-linking templates
2. Update specification with implementation links using specification-to-code-linking templates
3. Follow documentation-update-workflow for lifecycle phase

For Documentation Updates:

1. Determine current lifecycle phase (PLANNED/IN PROGRESS/IMPLEMENTED)
2. Apply appropriate updates from documentation-update-workflow
3. Ensure information distribution standards are followed

For Test Documentation:

1. Add specification references to test classes
2. Update specification Verification sections
3. Document coverage using verification-and-validation-linking standards

For Maintenance:

1. Follow cross-reference-maintenance workflows
2. Verify quality using quality-standards checklists
3. Update links as needed

Step 3: Verify Quality

Use quality-standards checklists to verify:

• All specifications link to implementation
• All code links to specifications
• All tests reference specifications
• Links are accurate and current
• Navigation is bidirectional
• Status indicators are correct

Related Standards

Related Skills in Bundle

• pm-requirements:requirements-authoring - Standards for creating requirements and specifications that form the traceability foundation
• pm-requirements:setup - Standards for setting up documentation structure in new projects
• pm-requirements:planning - Standards for planning documents that track implementation tasks

External Standards

• JavaDoc standards (for implementation documentation)
• Testing standards (for test documentation)