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/ci/workflow.yaml

@@ -0,0 +1,45 @@
+# Test Architect workflow: ci
+name: testarch-ci
+description: "Scaffold CI/CD quality pipeline with test execution, burn-in loops, and artifact collection"
+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/ci"
+instructions: "{installed_path}/instructions.md"
+validation: "{installed_path}/checklist.md"
+
+# Variables and inputs
+variables:
+  ci_platform: "auto" # auto, github-actions, gitlab-ci, circle-ci, jenkins - user can override
+  test_dir: "{project-root}/tests" # Root test directory
+
+# Output configuration
+default_output_file: "{project-root}/.github/workflows/test.yml" # GitHub Actions default
+
+# Required tools
+required_tools:
+  - read_file # Read .nvmrc, package.json, framework config
+  - write_file # Create CI config, scripts, documentation
+  - create_directory # Create .github/workflows/ or .gitlab-ci/ directories
+  - list_files # Detect existing CI configuration
+  - search_repo # Find test files for selective testing
+
+tags:
+  - qa
+  - ci-cd
+  - test-architect
+  - pipeline
+  - automation
+
+execution_hints:
+  interactive: false # Minimize prompts, auto-detect when possible
+  autonomous: true # Proceed without user input unless blocked
+  iterative: true