Command Changelog

This document tracks version history for individual playbook commands. Commands are versioned independently from playbook releases to enable tracking command-specific evolution.

Versioning Scheme: Semantic versioning (MAJOR.MINOR.PATCH)

• MAJOR: Breaking changes, removed sections, changed purpose
• MINOR: New sections, new examples, enhanced guidance (non-breaking)
• PATCH: Typos, clarifications, reorganization (non-breaking)

v1.1.0 (2026-02-09) - Phase 1-4 Enhancements

New Commands (Phase 1: Persona Agents)

5 Specialized Review Agents

• pb-linus-agent v1.1.0 - Direct technical feedback with pragmatic security lens

  • 584 lines, 18KB
  • Philosophy: Challenge assumptions, surface flaws, question trade-offs
  • Automatic rejection criteria: hardcoded secrets, SQL injection, XSS, command injection, buffer overflow, silent failures, race conditions

• pb-alex-infra v1.1.0 - Infrastructure resilience and failure mode analysis

  • 438 lines, 18KB
  • Philosophy: “Everything fails - excellence = recovery speed”
  • Categories: Failure modes, degradation, deployment, observability, capacity planning

• pb-maya-product v1.1.0 - Product strategy and user value focus

  • 1000+ lines, 15KB
  • Philosophy: “Features are expenses; value determined by users”
  • 6-step decision framework for feature evaluation

• pb-sam-documentation v1.1.0 - Documentation clarity and knowledge transfer

  • 1000+ lines, 21KB
  • Philosophy: “Documentation is first-class infrastructure”
  • Three-layer documentation approach (Conceptual, Procedural, Technical)

• pb-jordan-testing v1.1.0 - Testing coverage quality and reliability review

  • 1200+ lines, 22KB
  • Philosophy: “Tests reveal gaps, not correctness”
  • Categories: Test coverage, error handling, concurrency, data integrity, integration

New Commands (Phase 2: Multi-Persona Review Workflows)

• pb-review-backend v1.1.0 - Backend review combining infrastructure + testing perspectives

  • 16KB, multi-perspective decision tree
  • Combines: Alex (Infrastructure) + Jordan (Testing)

• pb-review-frontend v1.1.0 - Frontend review combining product + documentation perspectives

  • 17KB, multi-perspective decision tree
  • Combines: Maya (Product) + Sam (Documentation)

• pb-review-infrastructure v1.1.0 - Infrastructure review combining resilience + security perspectives

  • 18KB, multi-perspective decision tree
  • Combines: Alex (Infrastructure) + Linus (Security)

Enhanced Commands (Phase 3: Outcome-First Workflows)

• pb-start v1.1.0 - Added Outcome Clarification section

  • New: 5-step outcome definition process (define outcome, success criteria, approval path, blockers, Definition of Done)
  • New: Outcome documentation template (todos/work/[task-date]-outcome.md)
  • Impact: Prevents scope creep and “finished but doesn’t solve the problem” problems

• pb-cycle v1.1.0 - Added Step 0: Outcome Verification before self-review

  • New: Step 0 verifies success criteria met before proceeding to self-review
  • Enhanced: Step 3 peer review now includes outcome verification
  • Impact: Validates problem is solved before reviewing code quality

• pb-evolve v1.1.0 - Added evolution success criteria validation

  • New: Three evolution types with specific success criteria
  • New: Pre-release checklist requiring success criteria verification
  • Impact: Makes evolution cycles accountable to measurable outcomes

Enhanced Commands (Phase 4: Philosophy Expansion)

• pb-design-rules v1.1.0 - Added philosophy sections to 5 core design rules
  • Enhanced Rule 1 (Clarity): “Clarity is an act of respect for future readers”
    • Links to /pb-sam-documentation
  • Enhanced Rule 5 (Simplicity): “Scope discipline and feature-as-expense”
    • Links to /pb-maya-product
  • Enhanced Rule 9 (Robustness): “Transparency as defense against cascading failures”
    • Links to /pb-alex-infra and /pb-jordan-testing
  • Enhanced Rule 10 (Repair): “Fail loudly at the source, not silently downstream”
    • Links to /pb-linus-agent
  • Enhanced Rule 12 (Optimization): “Measure before optimizing, clarity before speed”
    • Links to /pb-sam-documentation and /pb-alex-infra
  • Impact: Design rules now explicitly teach multi-perspective thinking

v1.0.0 - Initial Baseline

All other commands at version 1.0.0 represent the initial playbook baseline.

Breaking Changes Log

v1.1.0 Breaking Changes

None. All v1.1.0 changes are additive and non-breaking.

• New commands don’t affect existing commands
• Enhanced commands add sections without removing existing content
• Philosophy sections are supplementary

Migration Path: Existing users don’t need to change anything. New features are opt-in:

• Use /pb-start with or without outcome clarification
• Use new persona review agents (/pb-linus-agent, etc.) alongside existing reviews
• Multi-persona reviews (/pb-review-backend, etc.) coexist with single-perspective reviews

Deprecation Timeline

Current: No commands deprecated

Planned for Future: None currently planned, but potential future deprecations:

• Single-perspective review commands might eventually recommend multi-perspective alternatives
• Commands might consolidate if personas merge

Deprecation Process: When a command is deprecated:

1. Command gets version bump to MAJOR (e.g., 1.0.0 → 2.0.0)
2. breaking_changes field documents deprecation
3. Command references alternative (See /pb-new-alternative for updated approach)
4. Deprecation announced 1-2 releases before removal
5. Command removed 2-3 releases after deprecation announcement

Future Versioning

As playbook evolves, commands will be updated and versioned:

Minor Bumps (MINOR.x.0)

• New sections or enhanced guidance added
• Examples updated or expanded
• Cross-references added or updated
• Internal reorganization for clarity (same content)

Patch Bumps (.x.PATCH)

• Typo fixes
• Clarifying rewrites
• Grammar improvements
• Date updates

Major Bumps (MAJOR.0.0)

• Scope or purpose change
• Sections removed or significantly modified
• Replaces another command
• Architectural change

Related Documentation

• Versioning Strategy: See command-versioning.md for detailed versioning guidelines
• Command Index: See command-index.md for full command list

Last updated: 2026-02-09 (Phase 5)