Initial commit: repo-vis — 3D codebase visualization

Rust (axum) backend with git clone / zip upload / SQLite cache.
Three.js frontend with D3 treemap layout and semantic zoom.
Docker deployment with musl static binary.

Makefile

@@ -0,0 +1,30 @@
+.PHONY: build-server build-web build deploy clean
+
+MUSL_TARGET := x86_64-unknown-linux-musl
+CONTAINER := repo-vis
+IMAGE := repo-vis:latest
+PORT := 9120
+
+build-server:
+	cd server && cargo build --release --target $(MUSL_TARGET)
+
+build-web:
+	cd web && npm run build
+
+build: build-server build-web
+
+deploy: build
+	-docker stop $(CONTAINER) 2>/dev/null
+	-docker rm $(CONTAINER) 2>/dev/null
+	docker build -t $(IMAGE) .
+	docker run -d \
+		--name $(CONTAINER) \
+		-p $(PORT):8080 \
+		-v repo-vis-data:/app/data \
+		--restart unless-stopped \
+		$(IMAGE)
+	@echo "repo-vis running at http://localhost:$(PORT)"
+
+clean:
+	cd server && cargo clean
+	rm -rf web/dist