Initial working implementation (MVP)

Makefile

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+.PHONY: all setup agent ui clean check help
+
+# Default target: builds everything
+all: ui
+
+# Install the required rust target for static agent builds
+setup:
+	rustup target add x86_64-unknown-linux-musl
+
+# Build the agent statically (Zero dynamic dependencies)
+agent:
+	@echo "Building rmon-agent (static x86_64-musl)..."
+	cargo build --release --target x86_64-unknown-linux-musl -p rmon-agent
+
+# Build the UI
+# Note: This depends on 'agent' because rmon-ui embeds the agent binary via include_bytes!
+ui: agent
+	@echo "Building rmon-ui..."
+	cargo build --release -p rmon-ui
+
+# Run all workspace tests
+check:
+	cargo test --workspace -- --test-threads=1
+
+# Generate coverage report (requires cargo-tarpaulin)
+coverage:
+	cargo tarpaulin --workspace --timeout 120 --out Lcov --output-dir target/coverage
+
+# Clean all build artifacts
+clean:
+	cargo clean
+
+# Show help
+help:
+	@echo "RMon Build System"
+	@echo ""
+	@echo "Targets:"
+	@echo "  setup   - Install the x86_64-musl rust target"
+	@echo "  agent   - Build the statically-linked agent binary"
+	@echo "  ui      - Build the desktop UI (includes the agent binary)"
+	@echo "  all     - Build both (default)"
+	@echo "  check   - Run all workspace tests"
+	@echo "  clean   - Remove build artifacts"