chore: add BMAD agent workflows and configuration system

- Add comprehensive agent workflow definitions for 8 specialized roles (analyst, architect, developer, product manager, scrum master, technical writer, UX designer, QA engineer)
- Add 35+ workflow definitions covering analysis, planning, solutioning, and implementation phases
- Add BMAD configuration system with agent, task, tool, workflow, and file manifests
- Add BMM (Business Model Methodology) documentation including quick-start guides, architecture references, and workflow analysis
- Add test architecture knowledge base with 20+ testing patterns and best practices
- Add team configuration templates and party mode setup for collaborative development
- Establish foundation for enterprise agentic development framework with adaptive scaling capabilities

.bmad/docs/roo-instructions.md

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+# BMAD Method - Roo Code Instructions
+
+## Activating Agents
+
+BMAD agents are installed as custom modes in `.roomodes`.
+
+### How to Use
+
+1. **Open Project**: Modes auto-load when project opens
+2. **Select Mode**: Use mode selector in Roo interface
+3. **Choose Agent**: Pick `bmad-{module}-{agent}` mode
+4. **Activate**: Mode is now active with configured permissions
+
+### Permission Levels
+
+Modes are configured with file edit permissions:
+
+- Development files only
+- Configuration files only
+- Documentation files only
+- All files (if configured)
+
+### Notes
+
+- Modes persist until changed
+- Each mode has specific file access rights
+- Icon shows in mode selector for easy identification