Complete multi-source Beast format implementation

Major features implemented:
- Beast binary format parser with full Mode S/ADS-B decoding
- Multi-source data merger with intelligent signal-based fusion
- Advanced web frontend with 5 view modes (Map, Table, Stats, Coverage, 3D)
- Real-time WebSocket updates with sub-second latency
- Signal strength analysis and coverage heatmaps
- Debian packaging with systemd integration
- Production-ready deployment with security hardening

Technical highlights:
- Concurrent TCP clients with auto-reconnection
- CPR position decoding and aircraft identification
- Historical flight tracking with position trails
- Range circles and receiver location visualization
- Mobile-responsive design with professional UI
- REST API and WebSocket real-time updates
- Comprehensive build system and documentation

🤖 Generated with [Claude Code](https://claude.ai/code)

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

Makefile

@@ -1,12 +1,13 @@
 BINARY_NAME=skyview
 BUILD_DIR=build
+VERSION=$(shell git describe --tags --always --dirty 2>/dev/null || echo "dev")
 
-.PHONY: build clean run dev test lint
+.PHONY: build clean run dev test lint deb deb-clean install-deps
 
 build:
 	@echo "Building $(BINARY_NAME)..."
 	@mkdir -p $(BUILD_DIR)
-	go build -ldflags="-w -s" -o $(BUILD_DIR)/$(BINARY_NAME) .
+	go build -ldflags="-w -s -X main.version=$(VERSION)" -o $(BUILD_DIR)/$(BINARY_NAME) ./cmd/skyview
 
 clean:
 	@echo "Cleaning..."
@@ -19,7 +20,7 @@ run: build
 
 dev:
 	@echo "Running in development mode..."
-	go run main.go
+	go run ./cmd/skyview
 
 test:
 	@echo "Running tests..."
@@ -33,6 +34,33 @@ lint:
 		echo "golangci-lint not installed, skipping lint"; \
 	fi
 
+# Debian package targets
+deb:
+	@echo "Building Debian package..."
+	@./scripts/build-deb.sh
+
+deb-clean:
+	@echo "Cleaning Debian package artifacts..."
+	@rm -f debian/usr/bin/skyview
+	@rm -rf build/*.deb
+
+deb-install: deb
+	@echo "Installing Debian package..."
+	@if [ "$$EUID" -ne 0 ]; then \
+		echo "Please run as root: sudo make deb-install"; \
+		exit 1; \
+	fi
+	@dpkg -i build/skyview_*.deb || (apt-get update && apt-get -f install -y)
+
+deb-remove:
+	@echo "Removing Debian package..."
+	@if [ "$$EUID" -ne 0 ]; then \
+		echo "Please run as root: sudo make deb-remove"; \
+		exit 1; \
+	fi
+	@dpkg -r skyview || true
+
+# Docker/Podman targets
 docker-build:
 	@echo "Building Docker image..."
 	docker build -t skyview .
@@ -41,8 +69,21 @@ podman-build:
 	@echo "Building Podman image..."
 	podman build -t skyview .
 
+# Development targets
 install-deps:
 	@echo "Installing Go dependencies..."
 	go mod tidy
 
+format:
+	@echo "Formatting code..."
+	go fmt ./...
+
+vet:
+	@echo "Running go vet..."
+	go vet ./...
+
+# Combined quality check
+check: format vet lint test
+	@echo "All checks passed!"
+
 .DEFAULT_GOAL := build