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CaseRadar - Implementation Roadmap

Overview

This document provides an ordered list of implementation tasks with dependencies and TDD requirements. Tasks are organized by phase and must be completed in order.

Task Legend

Symbol Meaning
🧪 TDD Required - Write tests first
🔗 Has dependencies
⚡ Quick task
📦 Configuration/setup
🎨 UI component
🔌 API/integration
🤖 ML/AI related

Complexity Scale: S (hours) | M (1-2 days) | L (3-5 days) | XL (1+ week)

Phase 4: Project Scaffolding

4.1 Initialize Project

# Task Complexity TDD Dependencies
4.1.1 📦 Create Next.js 15 project with TypeScript S - -
4.1.2 📦 Configure ESLint + Prettier S - 4.1.1
4.1.3 📦 Set up Tailwind CSS S - 4.1.1
4.1.4 📦 Install shadcn/ui CLI and base components S - 4.1.3
4.1.5 📦 Configure path aliases (@/) S - 4.1.1

4.2 Testing Setup

# Task Complexity TDD Dependencies
4.2.1 📦 Install and configure Vitest S - 4.1.1
4.2.2 📦 Install React Testing Library S - 4.2.1
4.2.3 📦 Install Playwright S - 4.1.1
4.2.4 📦 Create test utilities and helpers S - 4.2.1
4.2.5 ⚡ Write first smoke test to verify setup S 🧪 4.2.1

4.3 Database Setup

# Task Complexity TDD Dependencies
4.3.1 📦 Create Supabase project S - -
4.3.2 📦 Install Prisma S - 4.1.1
4.3.3 📦 Configure Prisma with Supabase S - 4.3.1, 4.3.2
4.3.4 📦 Enable pgvector extension S - 4.3.1
4.3.5 ⚡ Verify database connection S 🧪 4.3.3

4.4 DevOps Setup

# Task Complexity TDD Dependencies
4.4.1 📦 Create .env.example S - 4.3.3
4.4.2 📦 Set up Docker Compose for local dev M - 4.3.1
4.4.3 📦 Create GitHub Actions CI workflow M - 4.2.1
4.4.4 📦 Configure Vercel project S - 4.1.1
4.4.5 📦 Set up Railway project for workers S - -

Phase 4 Output: Scaffolded project with working tests, linting, and CI.

Phase 5: Database & Models

5.1 Core Models

# Task Complexity TDD Dependencies
5.1.1 🧪 Write tests for Organization model S 🧪 4.3.3
5.1.2 🔗 Implement Organization model + migration S - 5.1.1
5.1.3 🧪 Write tests for User model S 🧪 5.1.2
5.1.4 🔗 Implement User model + migration S - 5.1.3
5.1.5 🧪 Write tests for Complaint model M 🧪 5.1.4
5.1.6 🔗 Implement Complaint model + migration M - 5.1.5

5.2 Pattern & Analysis Models

# Task Complexity TDD Dependencies
5.2.1 🧪 Write tests for Pattern model S 🧪 5.1.6
5.2.2 🔗 Implement Pattern model + migration S - 5.2.1
5.2.3 🧪 Write tests for GeneratedComplaint model S 🧪 5.2.2
5.2.4 🔗 Implement GeneratedComplaint model + migration S - 5.2.3

5.3 Supporting Models

# Task Complexity TDD Dependencies
5.3.1 🧪 Write tests for Subscription model S 🧪 5.1.2
5.3.2 🔗 Implement Subscription model + migration S - 5.3.1
5.3.3 🧪 Write tests for AuditLog model S 🧪 5.1.4
5.3.4 🔗 Implement AuditLog model + migration S - 5.3.3

5.4 Database Utilities

# Task Complexity TDD Dependencies
5.4.1 🔗 Create seed script with test data M - 5.3.4
5.4.2 🔗 Set up Row-Level Security policies M - 5.1.4
5.4.3 🔗 Create database indexes S - 5.1.6
5.4.4 ⚡ Verify all migrations run cleanly S 🧪 5.4.1

Phase 5 Output: Complete database schema with passing model tests.

Phase 6: NHTSA Data Ingestion

6.1 API Client

# Task Complexity TDD Dependencies
6.1.1 🧪 Write tests for NHTSA API client (mocked) M 🧪 5.1.6
6.1.2 🔌 Implement NHTSA SODA API client M - 6.1.1
6.1.3 🧪 Write tests for data transformer S 🧪 6.1.2
6.1.4 🔗 Implement complaint data transformer S - 6.1.3

6.2 Data Pipeline

# Task Complexity TDD Dependencies
6.2.1 🧪 Write tests for deduplication logic S 🧪 6.1.4
6.2.2 🔗 Implement upsert with deduplication S - 6.2.1
6.2.3 🧪 Write tests for batch insert S 🧪 6.2.2
6.2.4 🔗 Implement efficient batch insert M - 6.2.3

6.3 Scheduling

# Task Complexity TDD Dependencies
6.3.1 📦 Set up Railway cron job S - 4.4.5
6.3.2 🧪 Write tests for sync job M 🧪 6.2.4
6.3.3 🔌 Implement daily sync job M - 6.3.2
6.3.4 🔌 Implement backfill command L - 6.2.4

6.4 Embeddings

# Task Complexity TDD Dependencies
6.4.1 🧪 Write tests for embedding service (mocked) S 🧪 6.2.4
6.4.2 🤖 Implement OpenAI embedding client S - 6.4.1
6.4.3 🤖 Implement batch embedding pipeline M - 6.4.2
6.4.4 🔗 Integrate embeddings into sync job M - 6.3.3, 6.4.3

Phase 6 Output: Working NHTSA data pipeline with embeddings.

Phase 7: Semantic Analysis Engine

7.1 Clustering

# Task Complexity TDD Dependencies
7.1.1 🧪 Write tests for UMAP reduction M 🧪 6.4.4
7.1.2 🤖 Implement UMAP dimensionality reduction M - 7.1.1
7.1.3 🧪 Write tests for HDBSCAN clustering M 🧪 7.1.2
7.1.4 🤖 Implement HDBSCAN clustering M - 7.1.3
7.1.5 🔗 Create clustering pipeline job L - 7.1.4

7.2 Trend Detection

# Task Complexity TDD Dependencies
7.2.1 🧪 Write tests for trend calculations M 🧪 5.2.2
7.2.2 🤖 Implement rolling statistics M - 7.2.1
7.2.3 🤖 Implement spike detection (Z-score) S - 7.2.2
7.2.4 🤖 Implement linear trend regression S - 7.2.2

7.3 Scoring

# Task Complexity TDD Dependencies
7.3.1 🧪 Write tests for severity scoring S 🧪 7.2.4
7.3.2 🤖 Implement severity score calculation S - 7.3.1
7.3.3 🔗 Create pattern statistics aggregation M - 7.1.5
7.3.4 🔗 Schedule analysis pipeline S - 7.3.3

Phase 7 Output: Working pattern detection and scoring system.

Phase 8: Legal Complaint Generator

8.1 Template System

# Task Complexity TDD Dependencies
8.1.1 🧪 Write tests for template rendering M 🧪 5.2.4
8.1.2 🔗 Create complaint template schema M - 8.1.1
8.1.3 🔗 Implement template sections L - 8.1.2

8.2 LLM Integration

# Task Complexity TDD Dependencies
8.2.1 🧪 Write tests for Claude client (mocked) S 🧪 8.1.3
8.2.2 🤖 Implement Claude API client S - 8.2.1
8.2.3 🤖 Create factual allegations prompt M - 8.2.2
8.2.4 🤖 Create introduction generation prompt S - 8.2.2
8.2.5 🔗 Implement complaint data aggregation M - 8.1.3

8.3 PDF Generation

# Task Complexity TDD Dependencies
8.3.1 🧪 Write tests for PDF generation M 🧪 8.2.5
8.3.2 🎨 Create PDF complaint components L - 8.3.1
8.3.3 🔗 Implement PDF renderer M - 8.3.2
8.3.4 🔗 Implement Supabase Storage upload S - 8.3.3

Phase 8 Output: Working complaint generation with PDF output.

Phase 9: Authentication & Authorization

9.1 Clerk Integration

# Task Complexity TDD Dependencies
9.1.1 📦 Set up Clerk project S - -
9.1.2 📦 Install Clerk Next.js SDK S - 9.1.1
9.1.3 🧪 Write tests for auth middleware M 🧪 9.1.2
9.1.4 🔌 Implement auth middleware M - 9.1.3
9.1.5 🔌 Implement Clerk webhooks M - 9.1.4

9.2 Organization Support

# Task Complexity TDD Dependencies
9.2.1 🧪 Write tests for org sync S 🧪 9.1.5
9.2.2 🔗 Sync Clerk orgs to database M - 9.2.1
9.2.3 🔗 Sync Clerk users to database M - 9.2.2

9.3 RBAC

# Task Complexity TDD Dependencies
9.3.1 🧪 Write tests for permission checks M 🧪 9.2.3
9.3.2 🔗 Implement RBAC utilities M - 9.3.1
9.3.3 🔗 Create permission guard HOC S - 9.3.2

Phase 9 Output: Working auth with multi-tenancy and RBAC.

Phase 10: Billing & Subscriptions

10.1 Stripe Setup

# Task Complexity TDD Dependencies
10.1.1 📦 Set up Stripe account and products S - -
10.1.2 📦 Install Stripe SDK S - 10.1.1
10.1.3 🧪 Write tests for checkout flow M 🧪 10.1.2
10.1.4 🔌 Implement checkout session creation M - 10.1.3

10.2 Webhooks

# Task Complexity TDD Dependencies
10.2.1 🧪 Write tests for webhook handlers M 🧪 10.1.4
10.2.2 🔌 Implement subscription.created handler S - 10.2.1
10.2.3 🔌 Implement subscription.updated handler S - 10.2.2
10.2.4 🔌 Implement subscription.deleted handler S - 10.2.3
10.2.5 🔌 Implement invoice.paid handler S - 10.2.4

10.3 Plan Enforcement

# Task Complexity TDD Dependencies
10.3.1 🧪 Write tests for plan limits S 🧪 10.2.5
10.3.2 🔗 Implement plan limit checking M - 10.3.1
10.3.3 🔌 Implement billing portal S - 10.3.2

Phase 10 Output: Working Stripe billing integration.

Phase 11: Backend API

11.1 Complaints API

# Task Complexity TDD Dependencies
11.1.1 🧪 Write tests for complaints endpoints M 🧪 9.1.4
11.1.2 🔌 Implement GET /api/complaints M - 11.1.1
11.1.3 🔌 Implement GET /api/complaints/:id S - 11.1.2
11.1.4 🔌 Implement GET /api/complaints/search M - 11.1.3

11.2 Patterns API

# Task Complexity TDD Dependencies
11.2.1 🧪 Write tests for patterns endpoints M 🧪 11.1.4
11.2.2 🔌 Implement GET /api/patterns M - 11.2.1
11.2.3 🔌 Implement GET /api/patterns/:id S - 11.2.2
11.2.4 🔌 Implement POST /api/patterns/:id/generate L - 11.2.3, 8.3.4

11.3 Generated Complaints API

# Task Complexity TDD Dependencies
11.3.1 🧪 Write tests for generated endpoints M 🧪 11.2.4
11.3.2 🔌 Implement CRUD for generated complaints M - 11.3.1
11.3.3 🔌 Implement PDF download endpoint S - 11.3.2

11.4 Organization API

# Task Complexity TDD Dependencies
11.4.1 🧪 Write tests for org endpoints M 🧪 9.3.3
11.4.2 🔌 Implement org management endpoints M - 11.4.1
11.4.3 🔌 Implement user management endpoints M - 11.4.2

11.5 API Documentation

# Task Complexity TDD Dependencies
11.5.1 📦 Set up OpenAPI/Swagger S - 11.4.3
11.5.2 🔗 Document all endpoints M - 11.5.1

Phase 11 Output: Complete REST API with documentation.

Phase 12: Frontend Implementation

12.1 Layout & Navigation

# Task Complexity TDD Dependencies
12.1.1 🧪 Write tests for layout components S 🧪 4.2.2
12.1.2 🎨 Implement dashboard layout shell M - 12.1.1
12.1.3 🎨 Implement sidebar navigation M - 12.1.2
12.1.4 🎨 Implement header with user menu S - 12.1.3

12.2 Marketing Pages

# Task Complexity TDD Dependencies
12.2.1 🎨 Implement landing page L - 12.1.2
12.2.2 🎨 Implement pricing page M - 12.2.1
12.2.3 🎨 Implement auth pages (Clerk) S - 9.1.2

12.3 Dashboard Pages

# Task Complexity TDD Dependencies
12.3.1 🧪 Write tests for dashboard components M 🧪 12.1.4
12.3.2 🎨 Implement dashboard home L - 12.3.1
12.3.3 🎨 Implement complaints list page L - 11.1.4
12.3.4 🎨 Implement complaint detail page M - 12.3.3

12.4 Patterns Pages

# Task Complexity TDD Dependencies
12.4.1 🧪 Write tests for pattern components M 🧪 12.3.4
12.4.2 🎨 Implement patterns list page L - 12.4.1
12.4.3 🎨 Implement pattern detail page L - 12.4.2
12.4.4 🎨 Implement trend charts M - 12.4.3

12.5 Generator Pages

# Task Complexity TDD Dependencies
12.5.1 🧪 Write tests for generator components M 🧪 12.4.4
12.5.2 🎨 Implement complaint generator page L - 12.5.1
12.5.3 🎨 Implement complaint preview M - 12.5.2
12.5.4 🎨 Implement generated complaints list M - 12.5.3

12.6 Settings Pages

# Task Complexity TDD Dependencies
12.6.1 🎨 Implement settings layout S - 12.1.4
12.6.2 🎨 Implement organization settings M - 12.6.1
12.6.3 🎨 Implement team management M - 12.6.2
12.6.4 🎨 Implement billing page M - 10.3.3

12.7 Admin Pages

# Task Complexity TDD Dependencies
12.7.1 🎨 Implement admin users page M - 9.3.3
12.7.2 🎨 Implement audit log viewer M - 12.7.1

Phase 12 Output: Complete frontend application.

Phase 13: E2E Testing

13.1 Setup

# Task Complexity TDD Dependencies
13.1.1 📦 Configure Playwright for E2E S - 4.2.3
13.1.2 📦 Set up test fixtures M - 13.1.1

13.2 Critical Flows

# Task Complexity TDD Dependencies
13.2.1 🧪 Write auth flow E2E tests M 🧪 12.2.3
13.2.2 🧪 Write complaints browsing E2E tests M 🧪 12.3.4
13.2.3 🧪 Write pattern viewing E2E tests M 🧪 12.4.4
13.2.4 🧪 Write complaint generation E2E tests L 🧪 12.5.4
13.2.5 🧪 Write billing flow E2E tests M 🧪 12.6.4

13.3 Visual Regression

# Task Complexity TDD Dependencies
13.3.1 📦 Set up visual regression testing M - 13.2.5
13.3.2 🧪 Create baseline screenshots M 🧪 13.3.1

Phase 13 Output: Comprehensive E2E test suite.

Phase 14: Security Hardening

14.1 Security Testing

# Task Complexity TDD Dependencies
14.1.1 🧪 Write SQL injection tests S 🧪 11.5.2
14.1.2 🧪 Write XSS tests S 🧪 12.5.4
14.1.3 🧪 Write auth bypass tests M 🧪 9.3.3
14.1.4 🧪 Write rate limit tests S 🧪 11.5.2

14.2 Hardening

# Task Complexity TDD Dependencies
14.2.1 📦 Implement security headers S - 14.1.4
14.2.2 🔗 Implement rate limiting M - 14.2.1
14.2.3 🔗 Implement audit logging M - 14.2.2
14.2.4 📄 Create SECURITY.md documentation M - 14.2.3

Phase 14 Output: Security-hardened application.

Phase 15: Deployment

15.1 Production Setup

# Task Complexity TDD Dependencies
15.1.1 📦 Configure production environment M - 14.2.4
15.1.2 📦 Set up production database S - 15.1.1
15.1.3 📦 Configure production secrets S - 15.1.2
15.1.4 🔗 Deploy to Vercel production S - 15.1.3
15.1.5 🔗 Deploy workers to Railway S - 15.1.3

15.2 Monitoring

# Task Complexity TDD Dependencies
15.2.1 📦 Set up Sentry error tracking S - 15.1.4
15.2.2 📦 Configure alerting M - 15.2.1
15.2.3 📦 Set up uptime monitoring S - 15.2.2

15.3 Performance

# Task Complexity TDD Dependencies
15.3.1 🔗 Perform load testing L - 15.2.3
15.3.2 🔗 Optimize slow queries M - 15.3.1
15.3.3 📄 Create OPERATIONS.md M - 15.3.2

Phase 15 Output: Production deployment with monitoring.

Phase 16: Final Validation

16.1 Documentation

# Task Complexity TDD Dependencies
16.1.1 📄 Create README.md M - 15.3.3
16.1.2 📄 Create USER_GUIDE.md L - 16.1.1
16.1.3 📄 Create ADMIN_GUIDE.md M - 16.1.2

16.2 Final Checks

# Task Complexity TDD Dependencies
16.2.1 ⚡ Run full test suite S - 16.1.3
16.2.2 ⚡ Verify test coverage >80% S - 16.2.1
16.2.3 ⚡ Verify production functionality M - 16.2.2
16.2.4 📄 Document known issues S - 16.2.3

Phase 16 Output: Complete, documented, production-ready application.

Summary Statistics

Phase Tasks TDD Required Est. Complexity
4: Scaffolding 20 2 M
5: Database 16 8 M
6: Ingestion 16 8 L
7: Analysis 12 6 L
8: Generator 12 5 L
9: Auth 11 5 M
10: Billing 11 5 M
11: API 15 6 L
12: Frontend 25 6 XL
13: E2E 8 7 L
14: Security 8 4 M
15: Deployment 11 0 L
16: Validation 7 0 M
Total 172 62 -

Key Insight: 62 tasks (36%) require TDD - tests written before implementation.