add stripping to non-debug builds

README.md

@@ -14,7 +14,7 @@ A blazingly fast CLI tool for testing internet speed uses fast.com v2 api. Writt
 
 ## Why fast-cli?
 
-- **Tiny binary**: Just 1.4 MiB, no runtime dependencies
+- **Tiny binary**: Just 1.2 MiB, no runtime dependencies
 - **Blazing fast**: Concurrent connections with adaptive chunk sizing
 - **Cross-platform**: Single binary for Linux, macOS, Windows
 - **Smart stopping**: Uses Coefficient of Variation (CoV) algorithm for adaptive test duration

build.zig

@@ -46,6 +46,7 @@ pub fn build(b: *std.Build) void {
         .root_source_file = b.path("src/main.zig"),
         .target = target,
         .optimize = optimize,
+        .strip = optimize != .Debug,
     });
 
     exe.root_module.addImport("zli", mod_zli);