Session 4 complete - RedFlag update management platform

🚩 Private development - version retention only

✅ Complete web dashboard (React + TypeScript + TailwindCSS)
✅ Production-ready server backend (Go + Gin + PostgreSQL)
✅ Linux agent with APT + Docker scanning + local CLI tools
✅ JWT authentication and REST API
✅ Update discovery and approval workflow

🚧 Status: Alpha software - active development
📦 Purpose: Version retention during development
⚠️  Not for public use or deployment

Makefile

@@ -0,0 +1,34 @@
+.PHONY: help db-up db-down server agent clean
+
+help: ## Show this help message
+	@echo 'Usage: make [target]'
+	@echo ''
+	@echo 'Available targets:'
+	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "  %-15s %s\n", $$1, $$2}' $(MAKEFILE_LIST)
+
+db-up: ## Start PostgreSQL database
+	docker-compose up -d aggregator-db
+	@echo "Waiting for database to be ready..."
+	@sleep 3
+
+db-down: ## Stop PostgreSQL database
+	docker-compose down
+
+server: ## Build and run the server
+	cd aggregator-server && go mod tidy && go run cmd/server/main.go
+
+agent: ## Build and run the agent
+	cd aggregator-agent && go mod tidy && go run cmd/agent/main.go
+
+build-server: ## Build server binary
+	cd aggregator-server && go build -o bin/aggregator-server cmd/server/main.go
+
+build-agent: ## Build agent binary
+	cd aggregator-agent && go build -o bin/aggregator-agent cmd/agent/main.go
+
+clean: ## Clean build artifacts
+	rm -rf aggregator-server/bin aggregator-agent/bin
+
+test: ## Run tests
+	cd aggregator-server && go test ./...
+	cd aggregator-agent && go test ./...