test(zigux): add lane17 bench patch contract build route

zigux/tests/lane17_phase1_bench_live_step_patch_contract_build.zig

@@ -0,0 +1,24 @@
+const std = @import("std");
+
+pub fn build(b: *std.Build) void {
+    const target = b.standardTargetOptions(.{});
+    const optimize = b.standardOptimizeOption(.{});
+
+    const root_module = b.createModule(.{
+        .root_source_file = b.path("lane17_phase1_bench_live_step_patch_contract.zig"),
+        .target = target,
+        .optimize = optimize,
+    });
+
+    const unit_tests = b.addTest(.{ .root_module = root_module });
+    const run_unit_tests = b.addRunArtifact(unit_tests);
+
+    const contract_step = b.step(
+        "lane17-phase1-bench-live-step-patch-contract",
+        "Run the Lane 17 Phase 1 bench live workflow patch contract",
+    );
+    contract_step.dependOn(&run_unit_tests.step);
+
+    const test_step = b.step("test", "Run the Lane 17 bench live workflow patch contract tests");
+    test_step.dependOn(&run_unit_tests.step);
+}