docs: massive documentation overhaul + introduce Paige (Documentation Guide agent)

## 📚 Complete Documentation Restructure

**BMM Documentation Hub Created:**
- New centralized documentation system at `src/modules/bmm/docs/`
- 18 comprehensive guides organized by topic (7000+ lines total)
- Clear learning paths for greenfield, brownfield, and quick spec flows
- Professional technical writing standards throughout

**New Documentation:**
- `README.md` - Complete documentation hub with navigation
- `quick-start.md` - 15-minute getting started guide
- `agents-guide.md` - Comprehensive 12-agent reference (45 min read)
- `party-mode.md` - Multi-agent collaboration guide (20 min read)
- `scale-adaptive-system.md` - Deep dive on Levels 0-4 (42 min read)
- `brownfield-guide.md` - Existing codebase development (53 min read)
- `quick-spec-flow.md` - Rapid Level 0-1 development (26 min read)
- `workflows-analysis.md` - Phase 1 workflows (12 min read)
- `workflows-planning.md` - Phase 2 workflows (19 min read)
- `workflows-solutioning.md` - Phase 3 workflows (13 min read)
- `workflows-implementation.md` - Phase 4 workflows (33 min read)
- `workflows-testing.md` - Testing & QA workflows (29 min read)
- `workflow-architecture-reference.md` - Architecture workflow deep-dive
- `workflow-document-project-reference.md` - Document-project workflow reference
- `enterprise-agentic-development.md` - Team collaboration patterns
- `faq.md` - Comprehensive Q&A covering all topics
- `glossary.md` - Complete terminology reference
- `troubleshooting.md` - Common issues and solutions

**Documentation Improvements:**
- Removed all version/date footers (git handles versioning)
- Agent customization docs now include full rebuild process
- Cross-referenced links between all guides
- Reading time estimates for all major docs
- Consistent professional formatting and structure

**Consolidated & Streamlined:**
- Module README (`src/modules/bmm/README.md`) streamlined to lean signpost
- Root README polished with better hierarchy and clear CTAs
- Moved docs from root `docs/` to module-specific locations
- Better separation of user docs vs. developer reference

## 🤖 New Agent: Paige (Documentation Guide)

**Role:** Technical documentation specialist and information architect

**Expertise:**
- Professional technical writing standards
- Documentation structure and organization
- Information architecture and navigation
- User-focused content design
- Style guide enforcement

**Status:** Work in progress - Paige will evolve as documentation needs grow

**Integration:**
- Listed in agents-guide.md, glossary.md, FAQ
- Available for all phases (documentation is continuous)
- Can be customized like all BMM agents

## 🔧 Additional Changes

- Updated agent manifest with Paige
- Updated workflow manifest with new documentation workflows
- Fixed workflow-to-agent mappings across all guides
- Improved root README with clearer Quick Start section
- Better module structure explanations
- Enhanced community links with Discord channel names

**Total Impact:**
- 18 new/restructured documentation files
- 7000+ lines of professional technical documentation
- Complete navigation system with cross-references
- Clear learning paths for all user types
- Foundation for knowledge base (coming in beta)

Co-Authored-By: Claude <noreply@anthropic.com>

bmad/bmm/workflows/testarch/ci/workflow.yaml

@@ -0,0 +1,53 @@
+# 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
+
+# Recommended inputs
+recommended_inputs:
+  - framework_config: "Framework configuration (playwright.config.ts, cypress.config.ts)"
+  - package_json: "Project dependencies and scripts"
+  - nvmrc: ".nvmrc for Node version (optional, defaults to LTS)"
+  - existing_ci: "Existing CI configuration to update (optional)"
+  - git_info: "Git repository information for platform detection"
+
+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