Merge Go frontend (apiserver + xcecli) into meson build

src/frontend/Makefile

@@ -0,0 +1,41 @@
+# XCE project — test targets
+# Usage:
+#   make test          # unit tests only (no server needed, CGO_ENABLED=0)
+#   make test-backend  # backend CGO conversion tests (requires nix dev shell + build dir)
+#   make test-integration  # regression suite against live server
+#   make test-all      # unit + integration tests
+
+XCE_BIN   ?= /tmp/xce_static
+SRV_URL   ?= http://localhost:8080
+GOFLAGS   := CGO_ENABLED=0
+
+.PHONY: build-cli build-server test test-backend test-integration test-all
+
+build-cli:
+	cd xcecli && $(GOFLAGS) go build -o $(XCE_BIN) ./cmd/main.go
+
+build-server:
+	cd apiserver && go build -o /tmp/apiserver ./cmd/main.go
+
+## Run all Go unit tests that do not require CGO or a live server.
+test:
+	@echo "=== Unit tests: apiserver ==="
+	cd apiserver && $(GOFLAGS) go test ./store/... ./utils/... ./controllers/... ./backend/... -count=1
+	@echo ""
+	@echo "=== Unit tests: xcecli ==="
+	cd xcecli && $(GOFLAGS) go test ./... -count=1
+
+## Run backend CGO conversion tests.
+## Requires CGO_ENABLED=1 and CGO_CFLAGS/CGO_LDFLAGS pointing at the build tree.
+## Run from within the nix develop shell after a full meson build.
+test-backend:
+	@echo "=== Backend CGO tests: apiserver/backend ==="
+	cd apiserver && CGO_ENABLED=1 go test ./backend/... -count=1
+
+## Run regression suite against a live server (requires XCE_BIN and SRV_URL)
+test-integration: build-cli
+	@echo "=== Integration regression: $(SRV_URL) ==="
+	XCE=$(XCE_BIN) URL=$(SRV_URL) bash tests/regression/run.sh
+
+## Run everything
+test-all: test test-integration