Feature Orchestrator Plugin: Skills (2/5), Fixes AB#3545054

[shahzaibj]

Feature Orchestrator Plugin Part 2: Skills

Adds all specialized skill definitions that power the AI orchestration pipeline.

What's included

Skill	Purpose
codebase-researcher	Systematic codebase exploration with SharePoint/OneDrive support via WorkIQ
design-author	Design spec creation with multi-source support (git repo + SharePoint)
design-reviewer	Inline design review comment processing
feature-planner	PBI decomposition with mandatory file paths, API signatures, and quality checklist
pbi-creator	ADO work item creation with dependency linking
pbi-dispatcher-github	Dispatch to Copilot coding agent (GitHub repos) with cross-PBI context
pbi-dispatcher-ado	Dispatch via ADO Agency (future)
pbi-dispatcher-ado-swe	Dispatch via Copilot SWE (tag + assign) with cross-PBI context
pr-validator	Validate agent PRs against PBI acceptance criteria

Also includes
eferences/pbi-template.md\ for standard PBI description format.

Key quality improvements

• Feature planner mandates verbatim API signatures from design specs in PBI descriptions
• Dispatchers inject cross-PBI context for dependent items (what previous merged PRs changed)
• PR validator checks acceptance criteria coverage before human review

Merge order

PR 2 of 5. Depends on PR 1 (Core Structure).

1. Core Structure (Feature Orchestrator Plugin: Core Structure (1/5), Fixes AB#3545053 #401)
2. ** Skills** (this PR)
3. Agents
4. Commands
5. Extension

Fixes AB#3545054