Upload evidence. AI agents auto-build a floating laser evidence board with suspect ranking. One click generates a courtroom-ready Case File PDF.
Built with DigitalOcean: Gradient™ AI Platform, Functions, Spaces, Managed PostgreSQL, App Platform
┌─────────────────────────────────────────────────────────────────────┐
│ USER BROWSER │
│ ┌─────────────────────────────────────────────────────────────┐ │
│ │ Next.js on DO App Platform │ │
│ │ ├─ Evidence Board (React Flow) │ │
│ │ ├─ Suspect Nodes with Guilt % │ │
│ │ └─ Multi-file Upload → Presigned PUT → Spaces │ │
│ └─────────────────────────────────────────────────────────────┘ │
└───────────────────────────────────┬─────────────────────────────────┘
│
┌───────────────────────────┼───────────────────────┐
│ │ │
▼ ▼ ▼
┌───────────────┐ ┌──────────────────┐ ┌──────────────────┐
│ DO Spaces │ │ DO Managed │ │ DO Functions │
│ (Presigned) │ │ PostgreSQL │ │ (Serverless) │
└───────────────┘ └──────────────────┘ └──────────────────┘
│
┌───────────────────────────────────┴─────────────────────────────────┐
│ DigitalOcean Gradient™ AI Platform │
│ ┌────────────────────────────────────────────────────────────────┐ │
│ │ 7-AGENT ORCHESTRATION PIPELINE │ │
│ │ │ │
│ │ 1. ForensicTagger → Extract objects, locations, timestamps │ │
│ │ 2. WitnessAnalyst → Suspect descriptors, timeline hints │ │
│ │ 3. PsychoProfiler → Behavioral hypotheses │ │
│ │ 4. SuspectRanker → Guilt probability 0-100% │ │
│ │ 5. ConnectionMapper → Graph nodes and edges │ │
│ │ 6. DeskSergeant → Merge all outputs │ │
│ │ 7. CaseFileWriter → Prosecutor-ready narratives │ │
│ └────────────────────────────────────────────────────────────────┘ │
│ ┌────────────────────────────────────────────────────────────────┐ │
│ │ CrimeBoard-KB (Knowledge Base) │ │
│ └────────────────────────────────────────────────────────────────┘ │
└─────────────────────────────────────────────────────────────────────┘
- Select multiple images, PDFs, text files at once
- Files upload directly to Spaces via presigned PUT URLs
- Never sends file bytes through API routes (avoids 1MB limits)
- Per-file upload status indicators
- 7 specialized AI agents analyze evidence in sequence
- Each agent builds on previous outputs
- Returns structured JSON for board rendering
- 2-5 suspects with guilt probability (0-100%)
- Each suspect shows:
- Why suspected (with evidence citations)
- Key attributes (description, vehicle, last seen)
- Relationships to other suspects
- Recommended next action
- All Spaces objects are private
- Every image/PDF renders via presigned READ URL
- URLs expire after 1 hour (configurable)
- CORS configured for upload domains
- Node.js 18+
doctlCLI authenticated- DigitalOcean account with Spaces, Functions, Gradient access
git clone https://github.com/YOUR_USERNAME/crimeboard_ocean.git
cd crimeboard_ocean
cd apps/web && npm installcp .env.example apps/web/.env.local
# Edit with your credentials# Add your IP to trusted sources first!
psql $DATABASE_URL -f db/migrations/001_initial.sqlIn DO Control Panel → Spaces → Bucket → Settings → CORS:
{
"CORSRules": [{
"AllowedOrigins": ["http://localhost:3000", "https://your-app.ondigitalocean.app"],
"AllowedMethods": ["GET", "PUT", "HEAD"],
"AllowedHeaders": ["*"],
"MaxAgeSeconds": 3600
}]
}npm run dev
# Open http://localhost:3000doctl serverless install
doctl serverless connect
cd functions && doctl serverless deploy .doctl apps create --spec .do/app.yaml| Product | How We Used It |
|---|---|
| Gradient™ AI Platform | 7-agent orchestration, function routing, knowledge base |
| Functions | 6 serverless endpoints (upload, OCR, tag-image, composite, casefile-pdf, signed-url) |
| Spaces | Private evidence storage, presigned PUT/GET URLs |
| Managed PostgreSQL | Cases, evidence, board nodes, edges, suspects |
| App Platform | Next.js frontend hosting |
crimeboard_ocean/
├── apps/web/
│ ├── app/ # Next.js App Router
│ │ └── api/cases/[id]/ # CRUD, analyze, upload, close
│ ├── components/ # EvidenceBoard, NodePanel, UploadModal
│ └── lib/
│ ├── agents.ts # 7-agent orchestration
│ ├── gradient.ts # Gradient API wrapper
│ ├── spaces.ts # S3/Spaces client
│ └── db.ts # PostgreSQL pool
├── functions/ # DO Functions
├── db/migrations/ # SQL schema
└── .do/app.yaml # App Platform spec
MIT - Built for DigitalOcean Hackathon
