added rust api to control DESI data distribution; updated to utilize bun for renovate

Makefile

@@ -4,12 +4,14 @@
 # (infra/). Intended to be called directly by Gitea Actions CI.
 
 ODIN         ?= odin
+CARGO        ?= cargo
 BIN          ?= bin
 BINARY       := $(BIN)/desi_explorer
 ODIN_FLAGS   := -collection:lib=lib/local
 WASM_DEFINE  := RAYLIB_WASM_LIB=env.o
 
 .PHONY: help setup run build build-debug build-web test clean fmt \
+        api-run api-build api-test api-check api-fmt \
         infra-preview infra-up infra-down infra-refresh infra-static \
         renovate-validate
 
@@ -41,17 +43,36 @@ build-debug: ## Debug build -> bin/desi_explorer
 build-web: ## WebAssembly build -> build/web (needs emscripten)
 	@scripts/build_web.sh
 
-test: ## Run tests (Odin src/ + Go infra/)
+test: ## Run tests (Odin src/ + Go infra/ + Rust api/)
 	@mkdir -p lib/local
 	$(ODIN) test src $(ODIN_FLAGS)
 	@cd infra && go test ./...
+	@cd api && $(CARGO) test
 
 clean: ## Remove build artifacts
 	rm -rf $(BIN) build
+	@cd api && $(CARGO) clean
 
 fmt: ## Format Odin sources with odinfmt
 	odinfmt src
 
+## ---- API (Rust + axum) ---------------------------------------------------
+
+api-run: ## Run the API server (dev)
+	@cd api && $(CARGO) run
+
+api-build: ## Release build the API -> api/target/release/
+	@cd api && $(CARGO) build --release
+
+api-test: ## Run API unit/integration tests
+	@cd api && $(CARGO) test
+
+api-check: ## Typecheck + format-check + lint the API
+	@cd api && $(CARGO) fmt --all --check && $(CARGO) clippy --all-targets -- -D warnings
+
+api-fmt: ## Format Rust sources with rustfmt
+	@cd api && $(CARGO) fmt
+
 ## ---- Infrastructure (Go + Pulumi) ----------------------------------------
 
 infra-preview: ## Preview infra changes against the cluster
@@ -72,4 +93,4 @@ infra-static: ## Typecheck + vet the Go infra without Pulumi
 ## ---- Tooling -------------------------------------------------------------
 
 renovate-validate: ## Validate renovate.json
-	npx --yes renovate-config-validator
+	bunx --package renovate renovate-config-validator renovate.json --strict