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SDIS & Steward System Implementation Status

Session Date: December 12, 2025

Historical implementation snapshot from 2025-12-12. API routes and readiness claims here are point-in-time and may differ from current code.

🎯 Mission Accomplished

In this session snapshot, we built out the SDIS (Secure Distributed Identity System) and Steward System foundation for ICN. Both systems were integrated into the Gateway API and Pilot UI for pilot evaluation.

✅ What We Built

1. SDIS Gateway API (icn-gateway)

Data Models (models.rs)

  • ✅ EnrollmentRecord: Device enrollment with challenge-response
  • ✅ RecoveryAnchor: Trusted device/contact for recovery
  • ✅ ProofRecord: Cryptographic proof chains
  • ✅ SdisEnrollmentRequest/Response: Enrollment flow DTOs
  • ✅ SdisAnchorRequest/Response: Anchor management DTOs

API Endpoints (api/sdis.rs)

POST   /api/v1/sdis/enroll                    # Initiate device enrollment
POST   /api/v1/sdis/enroll/{id}/approve       # Approve enrollment
GET    /api/v1/sdis/enroll/{id}               # Get enrollment status
GET    /api/v1/sdis/enrollments                # List all enrollments

POST   /api/v1/sdis/anchors                    # Add recovery anchor
GET    /api/v1/sdis/anchors                    # List anchors
POST   /api/v1/sdis/anchors/{id}/revoke       # Revoke anchor

POST   /api/v1/sdis/recover/initiate          # Start recovery process
POST   /api/v1/sdis/recover/{id}/approve      # Approve recovery
GET    /api/v1/sdis/recover/{id}              # Get recovery status

GET    /api/v1/sdis/proofs                    # List proofs
GET    /api/v1/sdis/proofs/{id}               # Get proof details

2. Pilot UI Components

Enrollment Wizard (components/enrollment-wizard.js)

  • Step-by-step enrollment flow
  • QR code display for challenge transfer
  • Real-time status updates

Identity Viewer (components/identity-viewer.js)

  • Display identity information
  • Show enrolled devices
  • View device status

Anchor Manager (components/anchor-manager.js)

  • Add device or contact anchors
  • Filter and manage anchors
  • Revoke compromised anchors
  • Statistics dashboard

3. Documentation

SDIS System Guide (docs/SDIS_SYSTEM.md)

  • Complete architecture overview
  • Data model specifications
  • API reference
  • Security model
  • Best practices

📊 Status Snapshot

Completed ✅

  • SDIS data models
  • Enrollment endpoints
  • Anchor management endpoints
  • Pilot UI components (3)
  • Comprehensive documentation

In Progress 🚧

  • Recovery flow implementation
  • Mobile SDK integration
  • Integration tests

Planned 📋

  • Hardware security module support
  • Social recovery protocols
  • Cross-coop recovery

🚀 Next Steps

  1. Complete Recovery Flow: Implement threshold verification
  2. Mobile Integration: QR codes and biometric approval
  3. Steward Portal: Dashboard and member management
  4. Testing Suite: Integration and UI tests

Status: SDIS Foundation Complete ✅
Next: Recovery Flow & Mobile Integration 🚀

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