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BMAD-METHOD/bmad-core/workflows/brownfield-fullstack.yml

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YAML

workflow:
id: brownfield-fullstack
name: Brownfield Full-Stack Enhancement
description: >-
Agent workflow for enhancing existing full-stack applications with new features,
modernization, or significant changes. Handles existing system analysis and safe integration.
type: brownfield
project_types:
- feature-addition
- refactoring
- modernization
- integration-enhancement
# For Complex Enhancements (Multiple Stories, Architectural Changes)
complex_enhancement_sequence:
- step: scope_assessment
agent: any
action: assess complexity
notes: "First, assess if this is a simple change (use simple_enhancement_sequence) or complex enhancement requiring full planning."
- step: project_analysis
agent: analyst
action: analyze existing project
notes: "Review existing documentation, codebase structure, and identify integration points. Document current system understanding before proceeding."
- agent: pm
creates: brownfield-prd.md
uses: brownfield-prd-tmpl
requires: existing_project_analysis
notes: "Creates comprehensive brownfield PRD with existing system analysis and enhancement planning. SAVE OUTPUT: Copy final brownfield-prd.md to your project's docs/ folder."
- agent: architect
creates: brownfield-architecture.md
uses: brownfield-architecture-tmpl
requires: brownfield-prd.md
notes: "Creates brownfield architecture with integration strategy and existing system constraints. SAVE OUTPUT: Copy final brownfield-architecture.md to your project's docs/ folder."
- agent: po
validates: all_artifacts
uses: po-master-checklist
notes: "Validates all brownfield documents for integration safety and completeness. May require updates to any document."
- agent: various
updates: any_flagged_documents
condition: po_checklist_issues
notes: "If PO finds issues, return to relevant agent to fix and re-export updated documents to docs/ folder."
- workflow_end:
action: move_to_ide
notes: "All planning artifacts complete. Move to IDE environment to begin development. Explain to the user the IDE Development Workflow next steps: data#bmad-kb:IDE Development Workflow"
# For Simple Enhancements (1-3 Stories, Following Existing Patterns)
simple_enhancement_sequence:
- step: enhancement_type
action: choose approach
notes: "Choose between creating single story (very small change) or epic (1-3 related stories)."
- agent: pm|po|sm
creates: brownfield_epic OR brownfield_story
uses: brownfield-create-epic OR brownfield-create-story
notes: "Create focused enhancement with existing system integration. Choose agent based on team preference and context."
- workflow_end:
action: move_to_ide
notes: "Enhancement defined. Move to IDE environment to begin development. Explain to the user the IDE Development Workflow next steps: data#bmad-kb:IDE Development Workflow"
flow_diagram: |
```mermaid
graph TD
A[Start: Brownfield Enhancement] --> B{Enhancement Complexity?}
B -->|Complex/Significant| C[analyst: analyze existing project]
B -->|Simple| D{1 Story or 2-3 Stories?}
C --> E[pm: brownfield-prd.md]
E --> F[architect: brownfield-architecture.md]
F --> G[po: validate with po-master-checklist]
G --> H{PO finds issues?}
H -->|Yes| I[Return to relevant agent for fixes]
H -->|No| J[Move to IDE Environment]
I --> G
D -->|1 Story| K[pm/po/sm: brownfield-create-story]
D -->|2-3 Stories| L[pm/po/sm: brownfield-create-epic]
K --> M[Move to IDE Environment]
L --> M
style J fill:#90EE90
style M fill:#90EE90
style E fill:#FFE4B5
style F fill:#FFE4B5
style K fill:#FFB6C1
style L fill:#FFB6C1
```
decision_guidance:
use_complex_sequence_when:
- Enhancement requires multiple coordinated stories (4+)
- Architectural changes are needed
- Significant integration work required
- Risk assessment and mitigation planning necessary
- Multiple team members will work on related changes
use_simple_sequence_when:
- Enhancement can be completed in 1-3 stories
- Follows existing project patterns
- Integration complexity is minimal
- Risk to existing system is low
- Change is isolated with clear boundaries
handoff_prompts:
analyst_to_pm: "Existing project analysis complete. Create comprehensive brownfield PRD with integration strategy."
pm_to_architect: "Brownfield PRD ready. Save it as docs/brownfield-prd.md, then create the integration architecture."
architect_to_po: "Architecture complete. Save it as docs/brownfield-architecture.md. Please validate all artifacts for integration safety."
po_issues: "PO found issues with [document]. Please return to [agent] to fix and re-save the updated document."
simple_to_ide: "Enhancement defined with existing system integration. Move to IDE environment to begin development."
complex_complete: "All brownfield planning artifacts validated and saved in docs/ folder. Move to IDE environment to begin development."