T027 Update AGENT.md with v2.1 features #2879

Task: T027 [US6.1] Update AGENT.md with v2.1 features

User Story: US6.1 (Documentation Updates)
Phase: 6 (Team Rollout & Adoption)
Priority: High
Type: Documentation
Status: Blocked by Phase 5 completion

Description

Update agents/prd-agent/AGENT.md with v2.1 enhanced features, auto-detection behavior, and WordPress awareness capabilities.

Prerequisites

• Phase 5 testing complete (epic: prd-agent - Validate v2.1 planning workflows #1896)
• v2.1 features validated

Requirements

Update AGENT.md to include:

• v2.1 feature summary section
• Auto-detection behavior explanation
• WordPress awareness section describing:
  • Auto-detection logic
  • Project type identification
  • Context-aware PRD sections
• Enhanced WordPress compatibility guidance
• Links to new CONTEXT_DETECTION.md and ORGANIZATION_CONTEXT.md

Acceptance Criteria

• AGENT.md updated with all v2.1 features
• Feature summary clear and accurate
• Auto-detection behavior documented
• WordPress awareness section comprehensive
• Links to related docs present

Definition of Done

• AGENT.md updated and merged to develop
• Documentation reviewed and validated
• Ready for team communication (T032)

Related Tasks

• Follow-up: T028 (CONTEXT_DETECTION.md), T029 (ORGANIZATION_CONTEXT.md)
• Communication: T032+ (team announcements)

Parent Epic

#1897 - Phase 6 Team Rollout & Adoption"