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/4-implementation/code-review/workflow.yaml

@@ -0,0 +1,60 @@
+# Review Story Workflow
+name: code-review
+description: "Perform a Senior Developer code review on a completed story flagged Ready for Review, leveraging story-context, epic tech-spec, repo docs, MCP servers for latest best-practices, and web search as fallback. Appends structured review notes to the story."
+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"
+user_skill_level: "{config_source}:user_skill_level"
+document_output_language: "{config_source}:document_output_language"
+date: system-generated
+sprint_artifacts: "{config_source}:sprint_artifacts"
+sprint_status: "{sprint_artifacts}/sprint-status.yaml || {output_folder}/sprint-status.yaml"
+
+# Workflow components
+installed_path: "{project-root}/.bmad/bmm/workflows/4-implementation/code-review"
+instructions: "{installed_path}/instructions.md"
+validation: "{installed_path}/checklist.md"
+template: false
+
+variables:
+  story_dir: "{sprint_artifacts}"
+  tech_spec_search_dir: "{output_folder}"
+  tech_spec_glob_template: "tech-spec-epic-{{epic_num}}*.md"
+  arch_docs_search_dirs: |
+    - "{output_folder}"
+  arch_docs_file_names: |
+    - architecture.md
+  backlog_file: "{output_folder}/backlog.md"
+  update_epic_followups: true
+  epic_followups_section_title: "Post-Review Follow-ups"
+
+# Smart input file references - handles both whole docs and sharded docs
+# Priority: Whole document first, then sharded version
+# Strategy: SELECTIVE LOAD - only load the specific epic needed for this story review
+input_file_patterns:
+  architecture:
+    description: "System architecture for review context"
+    whole: "{output_folder}/*architecture*.md"
+    sharded: "{output_folder}/*architecture*/*.md"
+    load_strategy: "FULL_LOAD"
+  ux_design:
+    description: "UX design specification (if UI review)"
+    whole: "{output_folder}/*ux*.md"
+    sharded: "{output_folder}/*ux*/*.md"
+    load_strategy: "FULL_LOAD"
+  epics:
+    description: "Epic containing story being reviewed"
+    whole: "{output_folder}/*epic*.md"
+    sharded_index: "{output_folder}/*epic*/index.md"
+    sharded_single: "{output_folder}/*epic*/epic-{{epic_num}}.md"
+    load_strategy: "SELECTIVE_LOAD"
+  document_project:
+    description: "Brownfield project documentation (optional)"
+    sharded: "{output_folder}/index.md"
+    load_strategy: "INDEX_GUIDED"
+
+standalone: true