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BMAD-METHOD/agent-team-workflows/brownfield-ui.yml

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workflow:
id: brownfield-ui
name: Brownfield UI/Frontend Enhancement
description: >-
Agent workflow for enhancing existing frontend applications with new features,
modernization, or design improvements. Handles existing UI analysis and safe integration.
type: brownfield
project_types:
- ui-modernization
- framework-migration
- design-refresh
- frontend-enhancement
# For Complex UI Enhancements (Multiple Stories, Design Changes)
complex_enhancement_sequence:
- step: scope_assessment
agent: any
action: assess complexity
notes: "First, assess if this is a simple UI change (use simple_enhancement_sequence) or complex enhancement requiring full planning."
- step: ui_analysis
agent: analyst
action: analyze existing UI
notes: "Review existing frontend application, user feedback, analytics data, and identify improvement areas."
- agent: pm
creates: brownfield-prd.md
uses: brownfield-prd-tmpl
requires: existing_ui_analysis
notes: "Creates comprehensive brownfield PRD focused on UI enhancement with existing system analysis. SAVE OUTPUT: Copy final brownfield-prd.md to your project's docs/ folder."
- agent: ux-expert
creates: front-end-spec.md
uses: front-end-spec-tmpl
requires: brownfield-prd.md
notes: "Creates UI/UX specification for brownfield enhancement that integrates with existing design patterns. SAVE OUTPUT: Copy final front-end-spec.md to your project's docs/ folder."
- agent: ui-architect
creates: brownfield-architecture.md
uses: brownfield-architecture-tmpl
requires:
- brownfield-prd.md
- front-end-spec.md
notes: "Creates brownfield frontend architecture with component integration strategy and migration planning. SAVE OUTPUT: Copy final brownfield-architecture.md to your project's docs/ folder."
- agent: po
validates: all_artifacts
uses: brownfield-checklist
notes: "Validates all brownfield documents for UI integration safety and design consistency. 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 UI Enhancements (1-3 Stories, Following Existing Design)
simple_enhancement_sequence:
- step: enhancement_type
action: choose approach
notes: "Choose between creating single story (simple component change) or epic (1-3 related UI changes)."
- agent: pm|po|sm
creates: brownfield_epic OR brownfield_story
uses: brownfield-create-epic OR brownfield-create-story
notes: "Create focused UI enhancement with existing design system integration. Choose agent based on team preference and context."
- workflow_end:
action: move_to_ide
notes: "UI 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: UI Enhancement] --> B{Enhancement Complexity?}
B -->|Complex/Significant| C[analyst: analyze existing UI]
B -->|Simple| D{1 Story or 2-3 Stories?}
C --> E[pm: brownfield-prd.md]
E --> F[ux-expert: front-end-spec.md]
F --> G[ui-architect: brownfield-architecture.md]
G --> H[po: validate with brownfield-checklist]
H --> I{PO finds issues?}
I -->|Yes| J[Return to relevant agent for fixes]
I -->|No| K[Move to IDE Environment]
J --> H
D -->|1 Story| L[pm/po/sm: brownfield-create-story]
D -->|2-3 Stories| M[pm/po/sm: brownfield-create-epic]
L --> N[Move to IDE Environment]
M --> N
style K fill:#90EE90
style N fill:#90EE90
style E fill:#FFE4B5
style F fill:#FFE4B5
style G fill:#FFE4B5
style L fill:#FFB6C1
style M fill:#FFB6C1
```
decision_guidance:
use_complex_sequence_when:
- UI enhancement requires multiple coordinated stories (4+)
- Design system changes needed
- New component patterns required
- User research and testing needed
- Multiple team members will work on related changes
use_simple_sequence_when:
- Enhancement can be completed in 1-3 stories
- Follows existing design patterns exactly
- Component changes are isolated
- Risk to existing UI is low
- Change maintains current user experience
handoff_prompts:
analyst_to_pm: "UI analysis complete. Create comprehensive brownfield PRD with UI integration strategy."
pm_to_ux: "Brownfield PRD ready. Save it as docs/brownfield-prd.md, then create the UI/UX specification."
ux_to_architect: "UI/UX spec complete. Save it as docs/front-end-spec.md, then create the frontend architecture."
architect_to_po: "Architecture complete. Save it as docs/brownfield-architecture.md. Please validate all artifacts for UI integration safety."
po_issues: "PO found issues with [document]. Please return to [agent] to fix and re-save the updated document."
simple_to_ide: "UI enhancement defined with existing design 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."