improvement: add e2e tests poc

e2e/Makefile

@@ -0,0 +1,27 @@
+.PHONY: filter-api generate-client clean
+
+# Variables
+API_JSON := api.json
+ALLOWED_ENDPOINTS := allowed-endpoints.json
+FILTERED_API_JSON := api-filtered.json
+OPENAPI_CFG := openapi-cfg.yaml
+
+# Filter API JSON to only include allowed endpoints
+filter-api:
+	@echo "Filtering API JSON using allowed endpoints..."
+	@jq --slurpfile allowed $(ALLOWED_ENDPOINTS) \
+		'.paths |= with_entries(select(.key as $$k | $$allowed[0] | index($$k)))' \
+		$(API_JSON) > $(FILTERED_API_JSON)
+	@echo "Filtered API JSON written to $(FILTERED_API_JSON)"
+
+# Generate OpenAPI client using oapi-codegen
+generate-client: filter-api
+	@echo "Generating OpenAPI client..."
+	@go tool oapi-codegen -config $(OPENAPI_CFG) $(FILTERED_API_JSON)
+	@echo "Client generated successfully"
+
+# Clean generated files
+clean:
+	@echo "Cleaning generated files..."
+	@rm -f $(FILTERED_API_JSON)
+	@echo "Clean complete"

e2e/allowed-endpoints.json

@@ -0,0 +1,10 @@
+[
+  "/api/v1/admin/signup",
+  "/api/v3/auth/select-organization",
+  "/api/v1/auth/token",
+  "/api/v1/identities",
+  "/api/v1/auth/token-auth/identities/{identityId}",
+  "/api/v1/auth/token-auth/identities/{identityId}/tokens",
+  "/api/v1/relays",
+  "/api/v1/projects"
+]