feat: Complete Phase 1 backend services and WebSocket/NATS bridge
Implements all remaining backend infrastructure for Corrosion platform.
Backend Services (5 new):
- license.rs: License validation, activation, check-in with NATS token generation
- map_manager.rs: Map upload/rotation with SHA-256 checksums, circular advancement
- health_checker.rs: Post-wipe verification with retry loop and backoff
- backup_manager.rs: Tar.gz backups with retention policy (last 10), recursive upload
- scheduler.rs: Tokio-cron integration for scheduled wipes with NATS events
WipeEngine Orchestration (wipe_engine.rs):
- execute_wipe(): Master orchestrator managing full lifecycle
- execute_pre_wipe(): Countdown warnings, backups, player kicks
- execute_wipe_actions(): Map/plugin deletion, seed rotation, Steam updates
- execute_post_wipe_verification(): Health checks with restart attempts
- execute_rollback(): Failure recovery with backup restore
- JSONB execution logs, NATS status events, service composition pattern
WebSocket/NATS Bridge (ws.rs):
- JWT authentication via query parameter
- License-scoped NATS subscriptions (corrosion.{license_id}.*)
- Bi-directional: NATS→WebSocket event forwarding, WebSocket→NATS publishing
- Axum 0.8 with ws feature, auto Ping/Pong handling
Panel Adapter Fixes:
- AMP/Pterodactyl/Companion adapters fully wired
- RCON command execution, file operations, Steam update triggers
Fixes:
- Added ws feature to Axum dependency
- Fixed Message::Text() type conversions (String→Utf8Bytes via .into())
- Fixed BackupInfo FromRow derive
- Fixed recursive async with Box::pin pattern
- Fixed async JobScheduler::new() constructor
- Removed manual WebSocket Ping/Pong handler
Compilation: 0 errors, 327 warnings (unused vars/functions)
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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