Initial commit: Elydora Open Source — self-hosted audit platform for AI agents

Full self-hosted port of the Elydora tamper-evident audit protocol:
- Hono API server with PostgreSQL, Redis, MinIO adapters
- Ed25519 signed operations, chain hashing, Merkle epoch rollups
- PBKDF2 password hashing, HMAC-SHA256 JWT, 5-role RBAC
- Next.js management console
- Node.js, Python, and Go SDKs
- Docker Compose for local deployment
- Helm chart for Kubernetes
- Comprehensive security hardening and audit fixes applied

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.env.example

@@ -0,0 +1,31 @@
+# PostgreSQL
+POSTGRES_USER=elydora
+POSTGRES_PASSWORD=elydora-secret-change-me
+POSTGRES_DB=elydora
+DATABASE_URL=postgresql://elydora:elydora-secret-change-me@postgres:5432/elydora
+
+# Redis
+REDIS_URL=redis://redis:6379
+
+# MinIO
+MINIO_ROOT_USER=elydora
+MINIO_ROOT_PASSWORD=elydora-minio-secret-change-me
+MINIO_ENDPOINT=http://minio:9000
+MINIO_ACCESS_KEY=elydora
+MINIO_SECRET_KEY=elydora-minio-secret-change-me
+MINIO_BUCKET=elydora-evidence
+
+# Elydora API
+PORT=8787
+ENVIRONMENT=production
+API_VERSION=v1
+PROTOCOL_VERSION=1.0
+JWT_SECRET=change-me-to-a-random-string-at-least-32-chars
+ELYDORA_SIGNING_KEY=change-me-base64url-ed25519-private-key
+ALLOWED_ORIGINS=http://localhost:3000
+
+# TSA (optional)
+TSA_URL=http://timestamp.sectigo.com
+
+# Console
+NEXT_PUBLIC_API_BASE_URL=http://localhost:8787