feat: Add Product Manager Skill PRD with Comprehensive Knowledgebase Design (#232)

* feat: add changelog validation pre-commit hook

* feat: add monitor-pr.fsx and update agent documentation

- Add monitor-pr.fsx script for monitoring PR checks with auto-merge option
- Update AGENTS.md with User Interaction Policies requiring confirmation
- Update release-manager skill.md with monitor-pr.fsx documentation
- Document auto-merge behavior and user confirmation requirements

* feat: add Product Manager Skill PRD with comprehensive knowledgebase design

Add comprehensive PRD for Product Manager skill targeting Morphir ecosystem.

## Overview
- Created PRD for AI Product Manager skill with deep Morphir knowledge
- Designed comprehensive knowledgebase structure (30+ markdown docs)
- Defined 6 F# automation scripts for GitHub ecosystem interaction
- Planned 4-phase implementation (5 weeks)

## Key Features
- **PRD Guidance**: Help users create well-structured PRDs
- **Issue Crafting**: Assist in writing high-quality issues
- **Ecosystem Intelligence**: Track trends across all finos/morphir-* repos
- **Knowledgebase**: Curated markdown knowledge organized by category:
  - Core principles and architecture (8 docs)
  - Repository-specific knowledge (6 repos)
  - Feature parity matrices (4 matrices)
  - Conventions and workflows (8 docs)
  - FAQs (3 docs)
- **F# Scripts**: query-issues, analyze-backlog, trend-analysis,
  check-ecosystem, generate-prd, update-knowledge
- **Integration**: Coordinates with qa-tester and release-manager skills

## Technical Design
- Knowledgebase: `.claude/skills/product-manager/knowledge/`
- Scripts: `.claude/skills/product-manager/scripts/`
- Templates: PRD and issue templates
- Hybrid approach: Curated knowledge + live GitHub queries

## Tracking
- Created issue #228
- 25 features tracked (PM-01 to PM-25)
- Priority: 12 P0, 10 P1, 3 P2

Related: #228

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Author: DamianReeves

docs/content/contributing/design/prds/_index.md

@@ -14,6 +14,7 @@ This directory contains comprehensive Product Requirements Documents (PRDs) for
 | PRD | Status | Current Phase | Current Task | Last Updated |
 |-----|--------|---------------|--------------|--------------|
 | [IR JSON Schema Verification](./ir-json-schema-verification.md) | 🚧 In Progress | Phase 1 | Setup | 2025-12-15 |
+| [Product Manager Skill](./product-manager-skill.md) | 📋 Draft | Phase 1 | Planning | 2025-12-18 |
 
 ## PRD Status Legend
 
@@ -76,4 +77,4 @@ Each PRD includes:
 
 ---
 
-**Last Updated**: 2025-12-15
+**Last Updated**: 2025-12-18