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>

sdks/node/scripts/postbuild.mjs

@@ -0,0 +1,11 @@
+import { readFile, writeFile } from 'node:fs/promises';
+import { resolve, dirname } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const __dirname = dirname(fileURLToPath(import.meta.url));
+const cliPath = resolve(__dirname, '..', 'dist', 'cli.js');
+
+const content = await readFile(cliPath, 'utf-8');
+if (!content.startsWith('#!/')) {
+  await writeFile(cliPath, '#!/usr/bin/env node\n' + content, 'utf-8');
+}