1--- a/src/terminal/stream.zig
2+++ b/src/terminal/stream.zig
3@@ -514,8 +514,7 @@
4 pub inline fn nextSlice(self: *Self, input: []const u8) void {
5- // Disable SIMD optimizations if build requests it or if our
6- // manual debug mode is on.
7- if (comptime debug or !build_options.simd) {
8+ // Manual debug mode preserves one action per codepoint.
9+ if (comptime debug) {
10 for (input) |c| self.next(c);
11 return;
12 }