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/bmm/workflows/testarch/trace/workflow.yaml

@@ -0,0 +1,55 @@
+# Test Architect workflow: trace (enhanced with gate decision)
+name: testarch-trace
+description: "Generate requirements-to-tests traceability matrix, analyze coverage, and make quality gate decision (PASS/CONCERNS/FAIL/WAIVED)"
+author: "BMad"
+
+# Critical variables from config
+config_source: "{project-root}/.bmad/bmm/config.yaml"
+output_folder: "{config_source}:output_folder"
+user_name: "{config_source}:user_name"
+communication_language: "{config_source}:communication_language"
+document_output_language: "{config_source}:document_output_language"
+date: system-generated
+
+# Workflow components
+installed_path: "{project-root}/.bmad/bmm/workflows/testarch/trace"
+instructions: "{installed_path}/instructions.md"
+validation: "{installed_path}/checklist.md"
+template: "{installed_path}/trace-template.md"
+
+# Variables and inputs
+variables:
+  # Directory paths
+  test_dir: "{project-root}/tests" # Root test directory
+  source_dir: "{project-root}/src" # Source code directory
+
+  # Workflow behavior
+  coverage_levels: "e2e,api,component,unit" # Which test levels to trace
+  gate_type: "story" # story | epic | release | hotfix - determines gate scope
+  decision_mode: "deterministic" # deterministic (rule-based) | manual (team decision)
+
+# Output configuration
+default_output_file: "{output_folder}/traceability-matrix.md"
+
+# Required tools
+required_tools:
+  - read_file # Read story, test files, BMad artifacts
+  - write_file # Create traceability matrix, gate YAML
+  - list_files # Discover test files
+  - search_repo # Find tests by test ID, describe blocks
+  - glob # Find test files matching patterns
+
+tags:
+  - qa
+  - traceability
+  - test-architect
+  - coverage
+  - requirements
+  - gate
+  - decision
+  - release
+
+execution_hints:
+  interactive: false # Minimize prompts
+  autonomous: true # Proceed without user input unless blocked
+  iterative: true