Initial commit: establish deterministic rod-string solver stack.

Set up the C solver core, Node API orchestration, TS GUI workflow, and engineering documentation with cleaned repo hygiene for private Git hosting.

Made-with: Cursor

Makefile

@@ -0,0 +1,33 @@
+SHELL := /bin/bash
+
+.PHONY: run down logs test smoke
+
+run:
+	docker compose up --build
+
+down:
+	docker compose down
+
+logs:
+	docker compose logs -f
+
+test:
+	cd solver-api && npm test
+	cd gui-ts && npm test
+	./solver-c/test_solver
+
+smoke:
+	@echo "Checking API health..."
+	@for i in {1..30}; do \
+		if curl --fail --silent http://localhost:4400/health > /dev/null; then \
+			echo "API healthy"; \
+			break; \
+		fi; \
+		sleep 1; \
+		if [ $$i -eq 30 ]; then \
+			echo "API did not become healthy in time"; \
+			exit 1; \
+		fi; \
+	done
+	@echo "Checking solve endpoint with base case..."
+	@curl --fail --silent http://localhost:4400/solve/default > /dev/null && echo "Solve endpoint healthy"