jyjeanne/breakdown-feature-implementation
skills/breakdown-feature-implementation/SKILL.md
Prompt for creating detailed feature implementation plans, following Epoch monorepo structure.
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Last scanned: Apr 20, 2026, 9:13 PM188.1s1 file scanned
SKILL.md
- name:
- breakdown-feature-implementation
- description:
- Prompt for creating detailed feature implementation plans, following Epoch monorepo structure.
Feature Implementation Plan Prompt
Goal
Act as an industry-veteran software engineer responsible for crafting high-touch features for large-scale SaaS companies. Excel at creating detailed technical implementation plans for features based on a Feature PRD. Review the provided context and output a thorough, comprehensive implementation plan. Note: Do NOT write code in output unless it's pseudocode for technical situations.
Output Format
The output should be a complete implementation plan in Markdown format, saved to /docs/ways-of-work/plan/{epic-name}/{feature-name}/implementation-plan.md.
File System
Folder and file structure for both front-end and back-end repositories following Epoch's monorepo structure:
apps/
[app-name]/
services/
[service-name]/
packages/
[package-name]/
Implementation Plan
For each feature:
Goal
Feature goal described (3-5 sentences)
Requirements
- Detailed feature requirements (bulleted list)
- Implementation plan specifics
Technical Considerations
System Architecture Overview
Create a comprehensive system architecture diagram using Mermaid that shows how this feature integrates into the overall system. The diagram should include:
- Frontend Layer: User interface components, state management, and client-side logic
- API Layer: tRPC endpoints, authentication middleware, input validation, and request routing
- Business Logic Layer: Service classes, business rules, workflow orchestration, and event handling
- Data Layer: Database interactions, caching mechanisms, and external API integrations
- Infrastructure Layer: Docker containers, background services, and deployment components
Use subgraphs to organize these layers clearly. Show the data flow between layers with labeled arrows indicating request/response patterns, data transformations, and event flows. Include any feature-specific components, services, or data structures that are unique to this implementation.
- Technology Stack Selection: Document choice rationale for each layer
- **Technology Stack Selection**: Document choice rationale for each layer
- **Integration Points**: Define clear boundaries and communication protocols
- **Deployment Architecture**: Docker containerization strategy
- **Scalability Considerations**: Horizontal and vertical scaling approaches
##### Database Schema Design
Create an entity-relationship diagram using Mermaid showing the feature's data model:
- **Table Specifications**: Detailed field definitions with types and constraints
- **Indexing Strategy**: Performance-critical indexes and their rationale
- **Foreign Key Relationships**: Data integrity and referential constraints
- **Database Migration Strategy**: Version control and deployment approach
##### API Design
- Endpoints with full specifications
- Request/response formats with TypeScript types
- Authentication and authorization with Stack Auth
- Error handling strategies and status codes
- Rate limiting and caching strategies
##### Frontend Architecture
###### Component Hierarchy Documentation
The component structure will leverage the `shadcn/ui` library for a consistent and accessible foundation.
**Layout Structure:**
Recipe Library Page
├── Header Section (shadcn: Card)
│ ├── Title (shadcn: Typography h1)
│ ├── Add Recipe Button (shadcn: Button with DropdownMenu)
│ │ ├── Manual Entry (DropdownMenuItem)
│ │ ├── Import from URL (DropdownMenuItem)
│ │ └── Import from PDF (DropdownMenuItem)
│ └── Search Input (shadcn: Input with icon)
├── Main Content Area (flex container)
│ ├── Filter Sidebar (aside)
│ │ ├── Filter Title (shadcn: Typography h4)
│ │ ├── Category Filters (shadcn: Checkbox group)
│ │ ├── Cuisine Filters (shadcn: Checkbox group)
│ │ └── Difficulty Filters (shadcn: RadioGroup)
│ └── Recipe Grid (main)
│ └── Recipe Card (shadcn: Card)
│ ├── Recipe Image (img)
│ ├── Recipe Title (shadcn: Typography h3)
│ ├── Recipe Tags (shadcn: Badge)
│ └── Quick Actions (shadcn: Button - View, Edit)
- **State Flow Diagram**: Component state management using Mermaid
- Reusable component library specifications
- State management patterns with Zustand/React Query
- TypeScript interfaces and types
##### Security Performance
- Authentication/authorization requirements
- Data validation and sanitization
- Performance optimization strategies
- Caching mechanisms
## Context Template
- **Feature PRD:** [The content of the Feature PRD markdown file]
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