Implemented connection handshake protocol for federation building on the Instance Identity Model from issue #84. **Services:** - SignatureService: Message signing/verification with RSA-SHA256 - ConnectionService: Federation connection management **API Endpoints:** - POST /api/v1/federation/connections/initiate - POST /api/v1/federation/connections/:id/accept - POST /api/v1/federation/connections/:id/reject - POST /api/v1/federation/connections/:id/disconnect - GET /api/v1/federation/connections - GET /api/v1/federation/connections/:id - POST /api/v1/federation/incoming/connect **Tests:** 70 tests pass (18 Signature + 20 Connection + 13 Controller + 19 existing) **Coverage:** 100% on new code **TDD Approach:** Tests written before implementation Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
452 KiB
452 KiB