fixes

src/main.zig

@@ -515,6 +515,11 @@ fn compileWithTimer(allocator: std.mem.Allocator, io: std.Io, input_path: []cons
     };
     timer.record("link");
 
+    // Post-process wasm HTML: inject content hash for cache busting
+    if (merged_config.isEmscripten() and std.mem.endsWith(u8, final_output, ".html")) {
+        sx.target.postProcessWasmHtml(allocator, io, final_output);
+    }
+
     // Save linked binary to cache
     if (enable_cache) {
         std.Io.Dir.copyFile(.cwd(), output_path, .cwd(), cache_bin, io, .{ .make_path = true }) catch {};