This commit implements the complete backend infrastructure for the CLI
Phase 3 license system with Ed25519 signing and offline validation support.

Changes:

• Add Ed25519 license blob signing (lib/ed25519.ts)

  • Cryptographic signing using Ed25519 keys
  • Base64URL encoded payload.signature format
  • Key generation utilities for initial setup

• Add fingerprint detection module (lib/fingerprint.ts)

  • Support for machine/ci/container fingerprint types
  • Auto-detection from machine_info metadata
  • Display helpers for dashboard

• Update PLAN_LIMITS with offline_grace_days

  • COMMUNITY: 0 days (must be online)
  • PRO: 7 days
  • TEAM: 14 days
  • SOVEREIGN: 365 days (air-gap support)

• Update API handlers to return license_blob

  • activate-license.ts: Generate signed blob on activation
  • validate-license.ts: Return signed blob for caching

• Update API types

  • Add machine_fingerprint, fingerprint_type fields
  • Add license_blob to responses
  • Add offline_grace_days to ExtendedLimits

• Add database migration (010_fingerprint_type.sql)

  • fingerprint_type column
  • ci_provider, ci_repo columns
  • container_type column

• Update db.ts registerMachine function

  • Accept fingerprint type and metadata
  • Store CI/container metadata

feat(web): implement license dashboard for CLI Phase 3

This commit adds frontend components for license management and device
tracking, complementing the backend license system.

New files:

• types/license.ts: Type definitions for fingerprints, license details
• lib/api.ts: API client for license operations
• components/fingerprint-badge.tsx: Device type badges (machine/ci/container)
• components/license-card.tsx: License details display
• components/device-list.tsx: Device management with deactivation
• components/grace-period-info.tsx: Offline grace period display
• components/license-summary-card.tsx: Dashboard license overview
• components/device-summary-card.tsx: Dashboard device overview
• app/dashboard/license/page.tsx: License details page

Updated files:

• app/dashboard/page.tsx: Integrated license & device components
• lib/pricing.ts: Added offlineGraceDays to all plans
  • Community: 0 days (online required)
  • Pro: 7 days
  • Team: 14 days
  • Sovereign: 365 days (air-gap support)

Features:

• View license details with plan, status, expiration
• See offline grace period and upgrade hints
• Manage activated devices with fingerprint type icons
• Deactivate devices from the dashboard