Apply Composer changes: comprehensive API updates, migrations, middleware, and infrastructure improvements

- Add comprehensive database migrations (001-024) for schema evolution
- Enhance API schema with expanded type definitions and resolvers
- Add new middleware: audit logging, rate limiting, MFA enforcement, security, tenant auth
- Implement new services: AI optimization, billing, blockchain, compliance, marketplace
- Add adapter layer for cloud integrations (Cloudflare, Kubernetes, Proxmox, storage)
- Update Crossplane provider with enhanced VM management capabilities
- Add comprehensive test suite for API endpoints and services
- Update frontend components with improved GraphQL subscriptions and real-time updates
- Enhance security configurations and headers (CSP, CORS, etc.)
- Update documentation and configuration files
- Add new CI/CD workflows and validation scripts
- Implement design system improvements and UI enhancements

api/src/db/migrations/005_ml_models.ts

@@ -0,0 +1,58 @@
+import { Migration } from '../migrate.js'
+
+export const up: Migration['up'] = async (db) => {
+  // ML Models table
+  await db.query(`
+    CREATE TABLE IF NOT EXISTS ml_models (
+      id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+      name VARCHAR(255) NOT NULL,
+      version VARCHAR(100) NOT NULL,
+      framework VARCHAR(100) NOT NULL,
+      metadata JSONB DEFAULT '{}'::jsonb,
+      artifact_path VARCHAR(500),
+      created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+      updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+      UNIQUE(name, version)
+    )
+  `)
+
+  // Model versions table
+  await db.query(`
+    CREATE TABLE IF NOT EXISTS model_versions (
+      id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+      model_id UUID NOT NULL REFERENCES ml_models(id) ON DELETE CASCADE,
+      version VARCHAR(100) NOT NULL,
+      artifact_path VARCHAR(500),
+      metadata JSONB DEFAULT '{}'::jsonb,
+      created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+      UNIQUE(model_id, version)
+    )
+  `)
+
+  // Model lineage table
+  await db.query(`
+    CREATE TABLE IF NOT EXISTS model_lineage (
+      id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+      model_id UUID NOT NULL REFERENCES ml_models(id) ON DELETE CASCADE,
+      training_job_id VARCHAR(255),
+      parent_model_id UUID REFERENCES ml_models(id),
+      metadata JSONB DEFAULT '{}'::jsonb,
+      created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+    )
+  `)
+
+  // Indexes for ML models
+  await db.query(`CREATE INDEX IF NOT EXISTS idx_ml_models_name ON ml_models(name)`)
+  await db.query(`CREATE INDEX IF NOT EXISTS idx_model_versions_model ON model_versions(model_id)`)
+  await db.query(`CREATE INDEX IF NOT EXISTS idx_model_lineage_model ON model_lineage(model_id)`)
+}
+
+export const down: Migration['down'] = async (db) => {
+  await db.query(`DROP INDEX IF EXISTS idx_model_lineage_model`)
+  await db.query(`DROP INDEX IF EXISTS idx_model_versions_model`)
+  await db.query(`DROP INDEX IF EXISTS idx_ml_models_name`)
+  await db.query(`DROP TABLE IF EXISTS model_lineage`)
+  await db.query(`DROP TABLE IF EXISTS model_versions`)
+  await db.query(`DROP TABLE IF EXISTS ml_models`)
+}
+